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Review

Impacts of Participation in Community-Based Physical Activity Programs on Cognitive Functions of Children and Youth with Neurodevelopmental Disabilities: A Scoping Review

1
Department of Pediatrics, University of British Columbia, Vancouver, BC V6H 0B3, Canada
2
BC Children’s Hospital Research Institute, Vancouver, BC V5Z 4H4, Canada
3
Department of Knowledge Translation, ParticipACTION, Toronto, ON M5S 1M2, Canada
4
Child Health Evaluative Sciences, The Hospital for Sick Children, Toronto, ON M5G 0A4, Canada
5
Faculty of Science, University of British Columbia, Vancouver, BC V6T 1Z4, Canada
6
Sunny Hill Health Centre for Children, Vancouver, BC V6H 3N1, Canada
7
Department of Anthropology, University of British Columbia, Vancouver, BC V6T 1Z1, Canada
*
Author to whom correspondence should be addressed.
Brain Sci. 2021, 11(2), 195; https://doi.org/10.3390/brainsci11020195
Submission received: 2 December 2020 / Revised: 28 January 2021 / Accepted: 1 February 2021 / Published: 5 February 2021

Abstract

:
This review paper aimed to undertake an extensive exploration of the extent, range, and nature of research activities regarding the effect and emerging evidence in the field of physical activity interventions on cognitive development among children and youth (0–17.99 years) with neurodevelopmental disorders (NDD), and to help identify key gaps in research and determine precise research questions for future investigations. To carry out this scoping review, five electronic databases were searched. A total of 12,097 articles were retrieved via search efforts with an additional 93 articles identified from the identified review papers. Sixty articles were eligible for inclusion. The results of this scoping review revealed many positive key cognitive outcomes related to physical activity including, but not limited to: focus, attention, self-control, cognitive process, and alertness. No studies reported a negative association between physical activity and cognitive outcomes. Based on the findings from this scoping review, physical activity appears to have a favorable impact on the cognitive outcomes of children and youth with NDD.

1. Introduction

The prevalence of neurodevelopmental disabilities (NDD) among children continues to grow. In the United States and Canada, approximately 10–17% of the pediatric population (4–14 years) is diagnosed with NDD [1] including attention-deficit/hyperactivity disorder (ADHD), autism spectrum disorder (ASD), cerebral palsy (CP), development coordination disorder (DCD), or fetal alcohol spectrum disorder (FASD), to name a few. NDD are widely defined as a “group of congenital or acquired long-term conditions that are attributed to impairment of the brain and/or neuromuscular system and create functional limitations” [2]. The impairments and dysfunctions associated with NDD are usually associated with significant consequences for children, families, and society [3,4,5,6].
Physical activity provides numerous health benefits for children [7,8]. Due to physical and psychosocial limitations, children with NDD are often less active than their typically developing peers. Less frequent participation in physical activity may manifest as missed opportunities to positively impact various health outcomes including the development of motor skills, social learning, and mental wellness [9,10,11,12,13,14,15,16]. Families of children with NDD often report the desire to identify community-based physical activity programs aimed at stimulating cognitive development and improving self-control, autonomy, social integration, and quality of life. While this type of program has been found to be associated with a range of benefits for children, variations in research design, populations studied, intervention type, and outcomes measured have made determining the true effects of this type of program difficult.
To our knowledge, no in-depth review has been conducted to explore the existing literature regarding the multiple types of community-based physical activity programs for children with varieties of NDD, and the different types of outcomes studied. A scoping review of the literature was conducted to examine the impact of physical activity on the cognitive function of children with NDD, identify the most promising interventions, and clarify existing gaps and inconsistencies in the literature. More specifically, this manuscript aimed to: (a) investigate the extent, range, and nature of research activities regarding the effect and emerging evidence in the field of physical activity interventions on cognitive development among children and youth with NDD, and (b) help identify key gaps in research and determine precise research questions for future investigations. Collectively, this information will also help to determine the value of conducting further systematic reviews and meta-analyses.

2. Materials and Methods

According to Colquhoun et al., “a scoping review is a form of knowledge synthesis that addresses an exploratory research question aimed at mapping key concepts, types of evidence, and gaps in research related to a defined area or field by systematically searching, selecting, and synthesizing existing knowledge” (p. 1293, [17]). Guiding documents by Tricco et al. [18] were utilized for direction. A health research librarian with expertise in literature reviews (A.R.) provided guidance at all stages of this review.

2.1. Search Strategy

The following electronic databases were searched: PubMed, MEDLINE (EBSCOhost), CINAHL, PsycINFO, and ERIC (Education Resources Information Center). Search terms representing physical activity or specific activities such as exercise, recreation therapy, physical activity, and sport were combined with search terms representing NDD or specific conditions such as neurodevelopmental disorders, cerebral palsy, intellectual disability, autism spectrum disorder, and fetal alcohol spectrum disorder. Controlled vocabulary was incorporated into the search strategy to increase the breadth and relevance of the articles retrieved. The searches were limited by date from 1995 to 2017. No limits were set on type of publication. Only English language articles were included. See Appendix A for a search strategy for each database.

2.2. Selection Criteria

We used “population” and “intervention” criteria of PICO (Population, Intervention, Comparison, Outcome) to guide the selection of articles for this scoping review. We did not use “outcome” since it was one objective of our scoping review to identify the measured outcomes. We also did not use “comparison” as we did not want to limit the scope of our review by this restriction. Articles were eligible for inclusion if they focused on children and youth aged 0–17.99 years with NDD (e.g., ADHD, ASD, CP, FASD, DCD, intellectual disabilities, etc.). We adopted a non-categorical approach that focuses on children’s needs rather than disease category. When parents decide to send their child to a physical activity program in the community, they share the same need, whatever the disease. Therefore, we did not try to identify how the diagnosis of disease was made in the different studies we analyzed in the scoping review. All types of physical activity programs were of interest (e.g., sport, exercise, physical activity, equine-assisted therapy, dance, music, leisure, etc.) as long as they were offered in the context of community-based programs. Outcomes were not pre-specified in order to identify all outcomes used in different studies. Medically based rehabilitation programs (e.g., physiotherapy or occupational therapy) were excluded because they are attached to a specific domain of practice; although effective, these interventions are limited by their domain-specific boundaries. For instance, therapeutic sessions are provided individually, which limits the child’s interactions with other children. In addition, studies with an intervention duration of less than four weeks were excluded as they were unlikely to have long lasting effects; furthermore, these short programs are often offered in the context of holiday camps and the whole special context makes it difficult to identify the effects of physical activity from the broader effects of attending the camp. Primary research studies and dissertations were included: books, letters to the editor, commentary, and protocol papers were not included. For review papers, their selected articles have been screened and relevant papers have been selected for our scoping review.

2.3. Screening Process and Study Selection

Figure 1 outlines the screening process. Once the articles were identified and retrieved from the online databases and the selected articles from review papers were added, all documents were exported to RefWorks (a reference management software). Duplicates were manually removed using the referencing software. Using the pre-established selection criteria, the titles and abstracts of all retrieved articles were reviewed by two independent researchers. Retained papers were then reviewed in full by the same two independent researchers for inclusion in the review. In instances of disagreement between two reviewers (less than 1% of papers), a third reviewer was brought in as a mediator.

2.4. Data Extraction and Synthesis

Once the full set of included articles was ascertained, the key findings of each paper were mined and presented in a standardized extraction table. Extracted data included: general study information (author, year of publication, country, study design), study aim, population (including sample size), setting and duration, description of exposure, outcomes of interest, measurement tools, and key findings.
Data were synthesized for each study outcome as “improved”, “no change”, “regression”, or “mixed” depending on the findings of the paper. To the best of our abilities, findings were grouped based on age, gender, type of NDD, and type of physical activity exposure.

3. Results

3.1. Identified Studies

Figure 1 outlines the studies identified at each stage of the screening process. A total of 12,097 articles resulted from the initial search, with an additional 93 articles identified from the identified review papers. Upon removal of duplicates, 9243 potentially eligible articles remained. Citations were screened first by title and abstract. Of the 869 articles that made it to the full-text screening, 809 were subsequently removed as they did not meet the eligibility criteria (e.g., did not focus on the health outcome of interest, incorrect age, not published in English language, etc.). A total of 60 studies were deemed eligible for inclusion in this review.

3.2. Description of Included Papers

The publication dates ranged from 1987 to 2017, with most of the articles published in the United States followed by the United Kingdom and conducted mostly in the US followed by Taiwan. Table 1 summarizes the 60 studies included in this review. The mean sample size was 30 children (Standard Deviation (SD) + 25.8) and ranged from 1 to 116; about 75% had a sample size less than 43. The majority of studies (76.7%) focused on the age group of 6–12 years, followed by 13–18 years (18.3%), and 0–5 years (3.3%). Most papers (43.3%) either included male participants only, or more than 90% of their participants were male. This was followed by both male and females (51.7%), and not stated (5%). None of the studies included only females as their participants. The child’s neurodevelopmental diagnosis type varied across studies, with the vast majority focusing on ADHD (38.3%) and ASD (28.3%). Duration of physical activity interventions averaged 14 weeks (SD + 20.6) with about 75% being less than 12 weeks. Accordingly, the average study duration was 17.2 weeks (SD + 23.3) and about 75% of the studies had a duration of less than 20 weeks. There was much variability in study designs: 38.3% were randomized controlled trials (RCTs), 26.7% were quasi-experimental, followed by 13.3% prospective cohort studies, 6.7% single-subject studies, 6.7% qualitative designs, 5% case studies, 1.7% cross-sectional studies, and 1.7% retrospective cohort studies. Type of exposure also varied including physical activity and exercise (43.3%), equine-assisted therapy/hippotherapy (21.7%), yoga (11.7%), sport (11.7%) as the most frequent ones, followed by aqua therapy (5%), martial arts (3.3%), active video games (1.7%), and dance (1.7%). See Table 1 for additional details on each included study.
When the study population consisted of children with ASD, the most common intervention was equine-assisted therapy (n = 7) followed by exercise (n = 5). For children with ADHD, the most common intervention was exercise (n = 12) followed by yoga (n = 3) and equine-assisted therapy (n = 3).

3.3. Study Outcomes and Findings

Table 1 shows different cognitive function outcomes with different populations. Some papers reported on more than one outcome and the impact reported varied.
Table 2 shows the frequency of cognitive outcomes assessed and the direction of change.
Most of the reported results were measured by standardized scales. Depending on the direction of the change of scores before and after intervention, results were classified as “improvement”, “no change”, “regression”, or “mixed results”.
Attention was measured in 37 out of 60 studies (61.7%) and 30 of them (81%) reported improvement (17 were statistically significant) and 1 study had mixed results. The six studies that did not show any change in attention were mostly RCT and quasi-experimental studies of yoga or equine-assisted therapy with children diagnosed with ADHD or ASD with a sample size ranging from 7 to 24.
Cognitive control was measured in 15 studies (25%) and 13 of them (92.9%) showed positive changes (9 were statistically significant). Two studies did not show any change: one was a quasi-experimental study of equine-assisted therapy with seven boys with ASD and the other one was a quasi-experimental study of an exergame with both genders with ASD.
Working memory was the outcome reported in 8 out of 60 studies (13.3%). Seven of them reported a positive change (four were statistically significant) and one had mixed results. Cognitive flexibility has been measured in seven studies (11.7%). Six of them reported a positive change (three were statistically significant); the single study that did not report improvement was an RCT of exercise intervention with 44 boys and girls with Down syndrome. Eighty per cent and 75% studies that measured language and academic achievement, respectively, reported favorable effects of physical activity interventions.
Other cognitive function outcomes included cognitive performance, cognitive process, academic engagement and performance, planning, fluid intelligence, alertness, and speed; all studies that assessed these functions noted positive changes. We did not find any research study that investigated the effect of physical activity on memory (short- and long-term) and perceptual processing. Different outcomes were selected for different NDD conditions. Table 3 shows the frequency of cognitive outcomes assessed in children with ADHD, ASD, CP, and Down syndrome and the direction of change.
Specific to ADHD, attention was measured in 19 studies and 16 (84.2%) reported positive changes. Working memory and cognitive control were studied in four studies that all showed improvement. In studies of children diagnosed with ASD, 9 studies out of 37 (24.3%) measured attention, with 6 of them showing positive changes. Cognitive control was assessed in four studies, with two studies reporting favorable effects.
Additionally, different interventions were associated with specific outcomes. For instance, the effects of exercise (n = 26 studies) were assessed on attention in 11 articles and all reported positive changes. In addition, working memory has been measured in seven articles, with six reporting improvement. For equine-assisted therapy interventions (n = 13 studies), attention was measured in 9, with 5 reporting improvement. For language (n = 3) and cognitive control (n = 3), two studies for each of these outcomes showed positive changes (see Table 4).

4. Discussion

This comprehensive scoping review reports the impact of physical activity on the cognitive functions of children and youth with different types of NDD conditions: ASD, ADHD, CP, Down syndrome, intellectual disabilities, physical disabilities, behavioral and social disabilities, learning disabilities, and developmental coordination disorder (DCD). A number of cognitive function outcomes were explored: executive function including cognitive flexibility, cognitive control and working memory, attention, short- and long-term memory, learning, perceptual processing, and alertness.
Most studies reported improvement in their measured cognitive function outcomes. About half of the reported improvements were statistically significant. No studies reported negative impacts or symptom regression on cognition among child participants with NDD. The majority of studies used standardized measurement tools in order to assess the change in studied outcomes. This finding indicates the role of physical activity in the learning and development of a child with NDD. The major findings of this scoping review will be discussed in the following paragraphs.
Most of the included studies have been conducted with boys 6–12 years of age who were diagnosed with ADHD (n = 23, 38.3%). This finding certainly corresponds to the fact that the main challenges described are triggered in the context of school exposure, and ADHD incidence is much higher among boys than girls. This focus of interest indicates the importance of identifying effective interventions for school age children with NDD. Regarding gender, most studies focus on boys, which corresponds to the fact that boys are more often diagnosed with ADHD and ASD in comparison to girls; however, we cannot eliminate a possible gender bias with more boys willing to participate in these studies. While some studies reported small improvements in girls with NDD, additional work is needed to clarify the relationship between physical activity and this particular sub-population.
Among the 60 studies that were included in the present scoping review, the largest number of positive impacts of physical activity was found in studies of exercise interventions followed by equine-assisted therapy, then sports. Of these papers, the majority focused on children with ADHD and ASD, where attention and its sub-domains of focus and concentration were the most commonly measured cognitive function. This finding corresponds to the main concern in this population, especially in the school context [76,77,78]. In the case of ADHD, participation in high-intensity physical activity or exercise may increase the release of endorphins (which helps regulate mood, pleasure, and pain) and neurotransmitters like dopamine, norepinephrine, and serotonin levels (which positively affect focus and attention) [79]. Combined, these effects on the brain help increase alertness and reduce the craving for new stimuli, which are typical characteristics of children with ADHD. Similarly, with ASD, higher-intensity physical activity has been noted in the literature as an effective supplement to children’s treatment regimens [80,81,82]. Studies show that moderate-to-vigorous physical activity is associated with decreases in self-stimulatory behaviors, hyperactivity, aggression, self-injury, and destructiveness [83]. Furthermore, as many children with ASD are at increased risk for weight gain, including regular physical activity in their daily routine may have beneficial effects [84,85]. The incorporation of animal therapy into the treatment of protocols of children with ADHD and ASD is well-received and its positive effects have been noted in other reviews [86,87].
The type of NDD diagnosis and physical activity intervention were examined in this review. We found that children with ASD saw the most improvements in attention and that equine-therapy appeared to be the best type of activity to produce such changes. As for children with CP, most gains were reported in the attention domain, with aqua therapy and movement therapy serving as ideal activities to realize such improvements. Lastly, children with ADHD reported improvements in attention, with again, exercise and movement therapy serving as the preferred conduits to improved cognitive functions, memory, and development. The acquisition of such information is paramount to our understanding of which domains of cognitive function are most positively impacted by physical activity and by which types of activity exposures. Consequently, this information will assist with the creation of tailored physical activity programming for children with NDD based on their unique abilities.
Our findings confirm the ones from other literature reviews. Pontifex et al. [88] in their narrative review examined the role of physical activity in reducing barriers to learning in children with developmental disorders including ADHD and ASD. Findings indicated that both single bouts of activity and chronic physical activity were associated with improved classroom performance [88,89]. A meta-analysis of 22 articles by Tan et al. [89] found an overall small to medium effect of exercise on cognition. Their findings support the efficacy of exercise interventions in enhancing certain aspects of cognitive performance in individuals with ASD and/or ADHD. In another systematic review and meta-analysis of eight RCTs, Cerrilo-Urbina et al. [90] reported that short-term aerobic exercise, based on several aerobic intervention formats, seems to be effective for mitigating symptoms such as attention, hyperactivity, impulsivity, anxiety, executive function, and social disorders in children with ADHD. However, to our knowledge, this scoping review is the first comprehensive review that explored the impacts of several types of physical activity interventions on all aspects of cognitive function for children with a variety of neurodevelopmental challenges.

4.1. Strengths and Limitations

The majority of papers included in this review were RCTs and quasi-experimental studies, which highlights the credibility of the overall evidence. In addition, having a research question that was broad in scope allowed us to investigate many aspects of the existing relevant research studies. Despite these strengths, there are several limitations of this review worth noting. First, most of the studies had small sample sizes (75% of studies included less than 43 participants) and the physical activity programs were short in duration (75% of studies had interventions less than 12 weeks). Second, most studies did not organize data collection by a person who was unaware of the intervention status, which makes the studies prone to different types of observation/report biases and Hawthorne effects (i.e., the change in behavior of study participants due to the awareness of being observed) [91,92]. Third, information was generally lacking regarding the child/family’s satisfaction of the effect and the level that the positive impacts of physical activity could meet the specific needs of a child and family. Fourth, due to the vast variability in reporting interventions and results, informing best practice recommendations is not possible. Finally, although the current review considered solely English-language, peer-reviewed publications and academic gray literature, examining the international and non-academic gray literature may help to expand and deepen our understanding of physical activity on acquisition of new functions (cognitive and psychological) and learning among children with NDD.

4.2. Future Directions

Based on the findings of this scoping review, we have identified several areas for further investigations. High quality studies on the impact of physical activity on brain function among very young children (under 6 years) with NDD are appealing. Brain plasticity is maximal in young children [93,94]; therefore, interventions should target younger children instead of waiting for impairments to be revealed in light of the demands of the school classroom. More generally, specific research questions include determining the type of activities at different ages and which effect is expected on different types of outcomes. A more focused look at the relationship between physical activity and brain function across disability categories including the undertaking of further investigations into the development of physical literacy for long-term physical activity and its impact on brain health would also be of interest. Given that peer relationships become increasingly important from childhood to adolescence, additional research to explore the impact of physical activity on social inclusion and personal identity development for children with NDD is important. As well, investigating the level of child/family’s satisfaction of the positive impacts is of paramount importance. Lastly, a rigorous systematic review and meta-analysis of RCTs that investigate the effects of physical activity on children and youth with NDD is warranted.

5. Conclusions

The findings of this scoping review highlight that physical activity may have a favorable impact on the cognitive outcomes of children and youth with NDD. Given these noted benefits, additional investigations are needed to help optimize the use of physical activity in the daily lives of children with NDD to not only support improved cognitive functions, but overall social integration and quality of life as well.

Author Contributions

Conceptualization, M.G. and J.-P.C., W.M., A.M.; Data curation, M.G. and R.H.; Formal analysis, M.G. and L.M.V.; Funding acquisition, J.-P.C.; Investigation, M.G., J.-P.C. and R.H.; Methodology, A.R., M.G. and J.-P.C.; Project administration, M.G. and J.-P.C.; Resources, A.R. and M.G.; Supervision, J.-P.C. and M.G.; Validation, M.G., L.M.V., A.R.; Visualization, M.G., L.M.V. and R.H.; Writing-original draft, M.G., L.M.V. and J.-P.C.; Writing-review and editing, M.G., L.M.V., J.-P.C., W.M., A.M. and A.R. All authors contributed to manuscript revisions and approved the submitted version. All authors have read and agreed to the published version of the manuscript.

Funding

The study was funded by a grant from the Kids Brain Health Network (KBHN)—Networks of Centres of Excellence (NCE) of Canada. The KBHN had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.

Acknowledgments

We wish to acknowledge the strong support and help of Michelle Shalinsky, Sanja Radulovic, and Gurtej Sangha in conducting this review. BC Children’s Hospital Research Institute supported part of the salary of JPC. LMV was supported by a Fellowship Award from the Canadian Institutes for Health Research.

Conflicts of Interest

The authors declare no conflict of interest. The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.

Appendix A. Search Strategy for Each Individual Database

  • Pub Med
“Recreation Therapy” [Mesh] OR “Music Therapy” [Mesh] OR “Play Therapy”[Mesh] OR “Leisure Activities”[Mesh] OR “Recreation”[Mesh] OR “Art Therapy”[Mesh] OR “Exercise Therapy”[Mesh] OR “Sports”[Mesh] OR “Animal Assisted Therapy”[Mesh] OR “Equine-Assisted Therapy”[Mesh] OR “Gymnastics”[Mesh] OR “Dance Therapy”[Mesh] OR “aquatic therapy” [tiab] OR “hydro therapy” [tiab] OR “creative arts therapy” [tiab] OR “Exercise”[Mesh] OR “therapeutic recreation” [tiab] OR “recreation” [tiab] OR “exercise” [tiab] OR “exercises” [tiab] OR “physical activities” [tiab] OR “physical activity” [tiab] OR “sport” [tiab] OR “sports” [tiab].
AND
“Intellectual Disability” [Mesh] OR “Disabled Persons” [Mesh] OR “Developmental Disabilities” [Mesh] OR “Rett Syndrome” [Mesh] OR “Down Syndrome” [Mesh] OR “Autistic Disorder” [Mesh] OR “Autism Spectrum Disorder” [Mesh] OR “Cerebral Palsy” [Mesh] OR “Attention Deficit Disorder with Hyperactivity” [Mesh] OR “Fetal Alcohol Spectrum Disorders”[Mesh] OR “neurodevelopment disorder” [tiab] OR “neurodevelopment delay” [tiab] OR “neurodisability” [tiab] OR “Neurodevelopmental Disorders”[Mesh] OR “disability” OR “neurodevelopmental disabilities” OR “neurodevelopmental delays” OR “neurodevelopmental disorders” OR “neurodevelopmental disability” OR “neurodevelopmental disorder” OR “disabilities” OR “neurodevelopmental delay” OR “neurodisabilities”.
Limitations: 1995–2017, All child (birth–18), English.
  • MedLine Search History
(MH “Recreation Therapy”) OR (MH “Leisure Activities”) OR (MH “Recreation”) OR (MH “Hydrotherapy”) OR (MH “Art Therapy”) OR “Creative Arts Therapy” OR “Therapeutic Exercise” OR (MH “Pet Therapy”) OR (MH “Equine Assisted Therapy”) OR (MH “Dance Therapy”) OR “Drama Therapy” OR (MH “Play Therapy”) OR (MH “Music Therapy”) OR (MH “Gymnastics”) OR (MH “Yoga”) OR (MH “Martial Arts”) OR (MH “Skating”) OR (MH “Skiing”) OR (MH “Baseball”) OR (MH “Basketball”) OR (MH “Soccer”) OR (MH “Recreation”) OR (MH “Dancing”) OR (MH “Racquet Sports”) OR (MH “Snow Sports”) OR (MH “Sports for Persons with Disabilities”) OR (MH “Sports”) OR (MH “Exercise+”) OR (MH “Movement”) OR (MH “Motor Activity”) OR TI “therapeutic recreation” OR AB “therapeutic recreation” OR TI recreation OR AB recreation OR TI exercise OR AB exercise OR TI “physical activities” OR AB “physical activities” OR TI sport OR AB sport OR TI “physical activity” OR AB “physical activity”.
AND
(MH “Developmental Disabilities”) OR (MH “Autistic Disorder”) OR (MH “Child Development Disorders, Pervasive”) OR “Neurodevelopmental Disability” OR “Neurodevelopmental Delay” OR (MH “Rett Syndrome”) OR (MH “Cerebral Palsy”) OR (MH “Down Syndrome”) OR (MH “Intellectual Disability”) OR (MH “Attention Deficit Disorder”) OR (MH “Attention Deficit Disorder with Hyperactivity”) OR (MH “Fetal Alcohol Spectrum Disorders”) OR (MH “Cerebral Palsy”) OR (MH “Neurodevelopmental Disorders”) OR (MH “Attention Deficit and Disruptive Behavior Disorders”) OR (MH “Motor Skills Disorders”) OR disability OR “Neurodevelopmental Disabilities” OR “Neurodevelopmental Delays” OR Neurodisability OR “Neurodevelopmental Disorders” OR “Neurodevelopmental Disorder” OR (MH “Disabled Children”).
Limitations: 1995–2017, All child (birth–18), English.
  • CINAHL Search History (CINAHL—Cumulative Index to Nursing and Allied Health Literature)
(MH “Recreation Therapy”) OR (MH “Leisure Activities”) OR (MH “Recreation”) OR (MH “Hydrotherapy”) OR (MH “Art Therapy”) OR “Creative Arts Therapy” OR (MH “Therapeutic Exercise”) OR (MH “Pet Therapy”) OR (MH “Horseback Riding”) OR “Equine Assisted Therapy” OR (MH “Dance Therapy”) OR (MH “Play Therapy”) OR (MH “Music Therapy”) OR (MH “Gymnastics”) OR (MH “Yoga”) OR (MH “Martial Arts”) OR (MH “Skating”) OR (MH “Skiing”) OR (MH “Baseball”) OR (MH “Basketball”) OR (MH “Soccer”) OR (MH “Walking”) OR (MH “Dancing”) OR (MH “Recreational Therapy”) OR (MH “Aquatic Sports”) OR (MH “Extreme Sports”) OR (MH “Animal Sports”) OR (MH “Winter Sports”) OR (MH “Wheelchair Sports”) OR (MH “Race Walking”) OR (MH “Racquet Sports”) OR (MH “Rock Climbing”) OR (MH “Motor Sports”) OR (MH “Running”) OR (MH “Sports, Disabled”) OR (MH “Team Sports”) OR (MH “Track and Field”) OR (MH “Weight Lifting”) OR (MH “Bowling”) OR (MH “Endurance Sports”) OR (MH “Cycling”) OR (MH “Sports”) OR (MH “Golf”) OR (MH “Handball”) OR (MH “Exercise”) OR (MH “Physical Activity”) OR TI “therapeutic recreation” OR AB “therapeutic recreation” OR TI recreation OR AB recreation OR TI exercise OR AB exercise OR TI “physical activities” OR AB “physical activities” OR TI sport OR AB sport OR TI “physical activity” OR AB “physical activity”.
AND
(MH “Intellectual Disability”) OR (MH “Developmental Disabilities”) OR (MH “Child, Disabled”) OR “Developmental Delay” OR (MH “Autistic Disorder”) OR (MH “Child Development Disorders, Pervasive”) OR “Neurodevelopmental Disorder” OR (MH “Rett Syndrome”) OR “Neurodisability” OR (MH “Cerebral Palsy”) OR (MH “Down Syndrome”) OR “Attention Deficit Disorder” OR (MH “Attention Deficit Hyperactivity Disorder”) OR (MH “Fetal Alcohol Disorder”) OR disability OR “Neurodevelopmental Disabilities” OR “Neurodevelopmental Delays” OR Neurodisability OR “Neurodevelopmental Disorders” OR “Neurodevelopmental Disability” OR (MH “Learning Disorders”) OR (MH “Motor Skills Disorders”) OR (MH “Child Development Disorders”).
Limitations: 1995–2017, Age Groups: Infant, Newborn: birth–1 month; Infant: 1–23 months; Child, Preschool: 2–5 years; Child: 6–12 years; Adolescent: 13–18 years; English.
  • PsychInfo Search History
DE “Recreation Therapy” OR DE “Leisure Time” DE “Recreation” OR DE “Art Therapy” OR DE “Creative Arts Therapy” OR DE “Exercise” OR DE “Sports” OR DE “Animal Assisted Therapy” OR DE “Dance Therapy” OR DE “Play Therapy” OR DE “Music Therapy” OR “equine assisted therapy”“gymnastics” OR “martial arts” OR “skating” OR “skiing” OR “hockey” OR “baseball” OR “soccer” OR “yoga” OR “basketball” OR DE “Physical Activity” OR DE “Aerobic Exercise” OR DE “Weightlifting” OR DE “Yoga” OR DE “Movement Therapy” OR DE “Baseball” OR DE “Basketball” OR DE “Extreme Sports” OR DE “Football” OR DE “Judo” OR DE “Martial Arts” OR DE “Soccer” OR DE “Swimming” OR DE “Tennis” OR DE “Weightlifting” OR DE “Childrens Recreational Games” OR TI “therapeutic recreation” OR AB “therapeutic recreation” OR TI recreation OR AB recreation OR TI exercise OR AB exercise OR TI “physical activities” OR AB “physical activities” OR TI sport OR AB sport OR TI “physical activity” OR AB “physical activity”.
AND
DE “Developmental Disabilities” OR DE “Autism Spectrum Disorders” OR “Neurodevelopmental Disability” OR “Neurodevelopmental Delay” OR DE “Rett Syndrome” OR DE “Cerebral Palsy” OR DE “Down’s Syndrome” OR DE “Intellectual Development Disorder” OR DE “Attention Deficit Disorder” OR DE “Attention Deficit Disorder with Hyperactivity” OR DE “Fetal Alcohol Syndrome” OR DE “Disabilities” OR DE “Learning Disabilities” OR DE “Multiple Disabilities” OR disability OR “Neurodevelopmental Disabilities” OR “Neurodevelopmental Delays” OR Neurodisability OR “Neurodevelopmental Disorder” OR “Neurodevelopmental Disorders”.
Limitations: 1995–2017, Age Groups: Childhood (birth–12 yrs), Adolescence (13–17 yrs), English.
  • ERIC Search History
DE “Therapeutic Recreation” OR DE “Play Therapy” OR DE “Leisure Time” OR DE “Recreation” OR “Aquatic Therapy” OR DE “Art Therapy” OR “Creative Arts Therapy” OR DE “Exercise” OR “gymnastics” OR “martial arts” OR “skating” OR “skiing” OR “hockey” OR “baseball” OR “soccer” OR “yoga” OR “basketball” OR “sport” OR “Animal Assisted Therapy” OR “Pet Therapy” OR “Equine Assisted Therapy” OR “Dance Therapy” OR DE “Music Therapy” OR DE “Physical Activities” OR DE “Athletics” OR DE “Physical Recreation Programs” OR DE “Playground Activities” OR DE “Recreational Activities” OR DE “Racquet Sports” OR DE “Aquatic Sports” OR DE “Team Sports” OR TI “physical activity” OR AB “physical activity” OR TI “therapeutic recreation” OR AB “therapeutic recreation” OR TI “recreation” OR AB “recreation” OR TI “exercise” OR AB “exercise” OR TI “physical activities” OR AB “physical activities”.
AND
“Intellectual Disability” OR DE “Mental Retardation” OR “Neurodevelopmental Delay” OR “Neurodevelopmental Disability” OR DE “Autism” OR DE “Pervasive Developmental Disorder” OR DE “Attention Deficit Disorder” OR “Attention Deficit Hyperactivity Disorder” OR DE “Fetal Alcohol Syndrome” OR “Rett Syndrome” OR DE “Down Syndrome” OR DE “Disabilities” OR DE “Adventitious Impairments” OR DE “Behavior Disorders” OR DE “Communication Disorders” OR DE “Congenital Impairments” OR DE “Developmental Disabilities” OR DE “Hearing Impairments” OR DE “Injuries” OR DE “Intellectual Disability” OR DE “Language Impairments” OR DE “Learning Disabilities” OR DE “Mental Disorders” OR DE “Multiple Disabilities” OR DE “Perceptual Impairments” OR DE “Physical Disabilities” OR DE “Special Health Problems” OR DE “Speech Impairments” OR DE “Visual Impairments” OR “cerebral palsy” OR “disability” OR “disabilities”.
AND
DE “Children” OR DE “Pediatrics” OR “Adolescents” OR “Youth”
Limitations: 1995–2017, English.

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Figure 1. PRISMA Flow Diagram: Identification, screening, eligibility, and inclusion of studies.
Figure 1. PRISMA Flow Diagram: Identification, screening, eligibility, and inclusion of studies.
Brainsci 11 00195 g001
Table 1. Summary of study characteristics.
Table 1. Summary of study characteristics.
StudyDesignSample SizeAge Group *Gender **PDActivity Type and SettingSDDiagnosisResults (Positive [+], Negative/no change [−], Mixed [−/+])
Ahmed et al. (2011)
[19]
RCT8413–18Male and Female10Exercise (Included upper limb, lower limb, trunk, and neck aerobic exercises in addition to free running)
Setting: School and home
10ADHD(+) Attention
Alesi et al. (2014)
[20]
Single subject study design313–18Male and Female8Exercise (Integrated group exercise training with goal setting)
Setting:
Not mentioned
24Down syndrome(−/+) Working memory
(+) Alertness and speed
Bass et al. (2009)
[16]
Quasi-experimental346–12Male and Female12Equine-assisted therapy Setting:
Good Hope
Equestrian
Training Centre
12ASD(+) Attention
Borgi et al. (2016)
[21]
RCT286–12Male24Equine-assisted therapy Setting:
Equine-assisted therapy center
24ASD(+) Planning
Bowling et al. (2017)
[22]
RCT1036–12Male and Female7Exercise (Cybercycling during physical education classes)
Setting: School
24Behavior disorders(+) Self-regulation
Bustamante et al. (2016)
[23]
RCT356–12Male and Female10Exercise (Physically active games and modified sports)
Setting: School
13Disruptive Behavior disorders and ADHD(+) Cognitive control
(+) Working memory
(+) Cognitive flexibility
Chambers et al. (2016)
[24]
Single subject Study design56–12Male and Female4Exercise (short-burst high-intensity physical exercise such as lunges, side jumps, and Chinese push-ups) Setting: School4ADHD(+) Working memory
(+) Attention
Chang et al. (2014)
[25]
Quasi-experimental276–12Male and Female8Aqua therapy
Setting: Local swimming pool
Not StatedADHD(+) Response inhibition
Choi et al. (2015)
[26]
RCT5013–18Male6Exercise (Aerobic exercises consisted of running (shuttle run, zigzag run), jumping rope (individual and group jumps), and basketball (dribble, pass, shoot, and game)
Setting: Not mentioned
6ADHD(+) Cognitive flexibility
(+) Attention
Chou et al. (2017)
[27]
Quasi-experimental496–12Male and Female8Yoga
Setting: Dance studio
8ADHD(+) Attention
Cleary et al. (2017)
[28]
Qualitative28Students: 13–18Students: Male and Female9Exercise (Included indoor activities (such as treadmill, stationary bicycle, stepping machine) and outdoor activities (such as running, sprinting drills, or cycling in the school grounds)
Setting: School
8Students’ diagnosis: Cerebral palsy(+) Attention
Cuypers et al. (2011)
[29]
Quasi-experimental56–12Male8Equine-assisted therapy
Setting: Riding School
24ADHD(+) Attention
Gabriels et al. (2015)
[30]
RCT1166–12Male and Female10Equine-assisted therapy
Setting: Riding Centre
14ASD(+) Self-regulation
Gabriels et al. (2012)
[15]
Quasi-experimental426–12Male and Female10Equine-assisted therapy
Setting: Colorado Therapeutic Riding Centre
18ASD(+) Self-regulation
Garcia-Gomez et al. (2016)
[31]
Quasi-experimental146–12Male and Female13Equine-assisted therapy
Setting: Monfragüe Equestrian
Centre of Cáceres
Not StatedADHD(−) Attention
Garcia-Gómez et al. (2014)
[12]
Quasi-experimental166–12Male and Female12Equine-assisted therapy
Setting: Monfragüe Equestrian Centre of Cácere
12ASD(−) Attention
Garg et al. (2013)
[32]
Prospective cohort study516–12Male and Female26Yoga
Setting: Classroom
26Multiple handicapping conditions, developmental disabilities, or ASD(+) Self-regulation
(+) Attention
Grönlund et al. (2005)
[33]
Quasi-experimental26–12Male12Dance
Setting: Clinic
12ADHD(−/+) Attention
Hariprasad et al. (2013)
[34]
Prospective Cohort96–12Male8Yoga
Setting: Child Psychiatry Unit
12ADHD(+) Attention
Hartshorn et al. (2001)
[35]
Quasi-experimental380–5Not Stated8Exercise (Involved using hoops and jumping in and out of them, putting different body parts
in and out of the hoops, following the therapist through an obstacle course of different shape and different height gym mats, and moving to a tambourine and stopping when the tambourine stopped)
Setting: Not mentioned
8ASD(+) Attention
Hilton et al. (2014)
[36]
Quasi-experimental76–12Male and Female10Exergame
Setting: Clayton Child Centre
10ASD(+) Working memory
(+) Alertness and speed
Hulls et al. (2006)
[37]
Cross-sectional18
occupational therapists
Children: 6–12Children: Not Stated Activity Type: Aqua therapy
Setting:
Not mentioned
Not StatedASD(+) Attention
Jang et al. (2015)
[38]
Quasi-experimental206–12Male12Equine-assisted therapy Setting: Equine Facility14ADHD(+) Attention
Jenkin et al. (2013)
[39]
Quasi-experimental76–12Male8Equine-assisted therapy
Setting: Reserved are at a riding facility
9ASD(−) Cognitive control(−) Attention(−) Language
Jensen et al. (2004)
[40]
RCT196–12Male20Yoga
Setting: Westmead hospital
20ADHD(−) Attention
Johansson et al.(1998)
[41]
Retrospective Cohort9213–18Male156Exercise (Physical education)
Setting: Pacific Northwest program
156Social and emotional problems(+) Academic achievement
Kaiser et al. (2006)
[42]
Prospective Cohort3113–18Male and Female6Equine-assisted therapy
Setting: CHUM Riding Therapeutic Centre
6Cerebral palsy, emotional impairment, learning disability(+) Attention
Kang et al. (2011)
[43]
RCT286–12Male6Sport (Sport therapy program)
Setting: Department of Psychiatry of Chung Ang University Medical Centre
6ASD(+) Attention
Lawson et al. (2012)
[44]
Single subject study design30–5Male5Yoga
Setting: The Preschool and Language Stimulation Program School
7Speech and developmental delay, behavioral problem, ADHD(+) Attention
Lufi et al. (2011)
[45]
Quasi-experimental326–12Male52Sport (Sport-based group therapy such as basketball and running)
Setting: Not mentioned
104Behavioral disorders(+) Attention
Macauley et al. (2004)
[46]
Prospective cohort36–12Male6Hippotherapy
Setting: Merlin Farms Equestrian Center
6Learning disability(+) Language
Mackinnon et al. (1995)
[47]
RCT196–12Male and Female26Equine-assisted therapy
Setting: Therapeutic riding program
26Cerebral palsy(−) Attention
MacMahon et al. (1987)
[48]
RCT546–12Male20The aerobic group’s exercise consisted of distance running, aerobic dance, and variants of soccer
Setting: Not mentioned
20Learning disability(−) Academic achievement
Majorek et al. (2004)
[49]
Case series56–12Male36Exercise (Therapeutic Eurythmy-movement therapy)
Setting: Therapy rooms of a pediatrician’s surgery
36ADHD(+) Attention
McKune et al. (2003)
[50]
Quasi-experimental196–12Male and Female5Exercise (Included activities such as relay runs, simple plyometric exercises, running through a mini obstacle course, a distance run of 1–2 km, and skipping)
Setting: Home
9ADHD(+) Attention
Memarmoghaddam et al. (2016)
[51]
RCT406–12Male8Exercise (Aerobic and goal directed exercises)
Setting: University Sports Hall
8ADHD(+) Cognitive inhibition
Milligan et al. (2015)
[52]
Qualitative46Youth: 13–18Youth: Male and Female20Martial Arts
Setting: Child Development Institute
20Learning disability(+) Self-regulation
Morand et al. (2004)
[53]
RCT186–12Male12Martial Arts
Setting: Martial arts school
12ADHD(+) Academic performance
(+) Attention
Neely et al. (2015)
[54]
Case study26–12Male and Female12Exercise (Jumping on an indoor trampoline)
Setting: Classroom
12ASD(+) Academic engagement
Nicholson et al.(2011)
[55]
Single subject study design46–12Male6Exercise (Jogging)
Setting: Classroom
6ASD(+) Academic engagement
O’Callaghan et al. (2003)
[56]
RCT46–12Male and Female6Sport (Kickball)
Setting: Campus of a large public university
6ADHD(+) Attention
Ozer et al. (2012)
[57]
RCT7613–18Male8Sport (Soccer)
Setting: Soccer Field
8Intellectual disability(+) Attention
Ozer et al. (2007)
[58]
RCT236–12Male and Female14Aqua therapy
Setting: Swimming pool
38Cerebral palsy(+) Attention
Packard et al. (2007)
[59]
Prospective Cohort106–12Male and Female4Exercise (Vigorous aerobic physical activity)
Setting: School
6ADHD(+) Attention
Pan et al. (2017)
[60]
RCT226–12Male12Exercise (Motor and movement skills related to table tennis)
Setting: Gymnasium
24ASD(+) Cognitive flexibility
Pan et al. (2016)
[61]
RCT326–12Male12Sport (Racket sport)
Setting: Table tennis center
24ADHD(+) Cognitive flexibility
(+) Attention
(+) Cognitive process
Porter et al. (2013)
[62]
Case study16–12Male4Yoga
Setting: Classroom
4ASD(+) Attention
Ringenbach et al. (2016)
[63]
RCT4413–18Male and Female8Exercise (Assisted cycling therapy)
Setting: Cycling Bike
8Down syndrome(+) Response inhibition
(−) Cognitive flexibility
(+) Language
(+) Alertness and speed
Rosenblatt et al. (2011)
[64]
Prospective Cohort246–12Male8Yoga
Setting: Medical school teaching hospital
8ASD(−) Attention
Rosenthal-Malek et al. (1997)
[65]
Quasi-experimental513–18Male10Exercise (Mildly strenuous jogging)
Setting: Urban public school and a community-based workshop
10ASD(+) Academic performance
Smith et al. (2013)
[66]
Prospective Cohort176–12Male and Female9Exercise (Continuous
moderate-to-vigorous physical activity such as hopping, skipping, etc.) Setting: Not mentioned
11ADHD(+) Response inhibition
(+) Working memory
Stickney et al. (2010)
[67]
Qualitative34Children: Not StatedChildren: Not stated8Equine-assisted therapy
Setting: Central Kentucky Riding for Hope
8ASD(+) Attention
(+) Language
(+) Academic achievement
Tsai et al. (2009)
[68]
RCT436–12Male and Female10Sport (Tennis)
Setting: A laboratory
10Developmental coordination disorder(+) Inhibitory control
Tsai et al. (2012)
[69]
RCT516–12Male and Female10Sport (Soccer)
Setting: School
10Developmental coordination disorder(+) Inhibitory control
(+) Attention
Tsai et al. (2014)
[70]
RCT606–12Male and Female16Exercise (The endurance training program consisted of interval training and one continuous long-distance running session, and one session with another aerobic activity (e.g., cycling, step aerobics, or rope jumping))
Setting: School
16Developmental coordination disorder(+) Working memory
Verret et al. (2012)
[71]
Quasi-experimental216–12Male10Exercise (Sessions included warm-up; progressive aerobic, muscular, and motor skills exercises; and cool down)
Setting: School gymnasium
12ADHD(+) Attention
Wehrle et al. (2017)
[72]
Qualitative66–12Male8Exercise (Includes warm-up, free play, and skill of a week)
Setting: Shady Lane Elementary School
8ADHD(+) Attention
(+) Academic performance
Wendt et al. (2000)
[73]
Quasi-experimental246–12Male and Female6Exercise (Intense Aerobic-type physical activity program)
Setting: SUNY Buffalo
Amherst, Turf Football Stadium
6ADHD(+) Cognitive control
(+) Working memory
(+) Cognitive flexibility
(+) Attention
(+) Cognitive performance
(+) Language
(+) Cognitive process
(+) Planning
(+) Academic achievement
(+) Fluid intelligence
Yildirim et al. (2010)
[74]
RCT5013–18Male and Female12Exercise (Circuit training, resistance training, and interval speed training)
Setting: School
12Intellectual disability(+) Alertness and speed
Ziereis et al. (2015)
[75]
RCT436–12Male and Female12Exercise (Various activities such as juggling, tennis, trampoline, juggling, etc.)
Setting: Facilities of the University of Regensburg’s Institute for Sport Science
14ADHD(+) Working memory
Notes: PD = Program Duration in weeks; SD = Study Duration in weeks; RCT = Randomized Controlled Trials; ADHD = Attention-Deficit/Hyperactivity Disorder; ASD = Autism Spectrum Disorder. * We categorized the age to three groups including “0–5”, “6–12”, and “13–18”-year-olds. Each study has been assigned the age group based on the mean age of study participants; ** Study population has been considered as “Male” when all or more than 90% of study participants were male. Similarly, when all or more than 90% of study participants were female, the study population has been considered as “Female”.
Table 2. Frequency of cognitive outcomes assessed and the direction of change.
Table 2. Frequency of cognitive outcomes assessed and the direction of change.
OutcomesFrequency n (%)
Included Studies *Improvement **No Change **Mixed **
Cognitive flexibility7 (11.7)6 (85.7)1 (14.3)
Cognitive control15 (25)13 (86.7)2 (13.3)
Working Memory8 (13.3)7 (87.5)01 (12.5)
Attention37 (61.7)30 (81.1)6 (16.2)1 (2.7)
Language5 (8.3)4 (80)1 (20)
Cognitive performance1 (1.7)1 (100)0
Cognitive process2 (3.3)2 (100)0
Planning3 (5)3 (100)0
Academic Achievement4 (6.7)3 (75)1 (25)
Academic Engagement2 (3.3)2 (100)0
Academic Performance3 (5)3 (100)0
Fluid intelligence1 (1.7)1 (100)0
Alertness and Speed4 (6.7)4 (100)0
* The percentage indicates the proportion of included studies that assessed each of the listed cognitive outcomes; ** The percentage indicates the proportion of included studies that showed improvement, no change, or mixed results when the study assessed the relevant outcome.
Table 3. Frequency of cognitive outcomes assessed in children with attention-deficit/hyperactivity disorder (ADHD), autism spectrum disorder (ASD), cerebral palsy (CP), and Down syndrome, and the direction of change.
Table 3. Frequency of cognitive outcomes assessed in children with attention-deficit/hyperactivity disorder (ADHD), autism spectrum disorder (ASD), cerebral palsy (CP), and Down syndrome, and the direction of change.
ADHDASDCPDown Syndrome
Outcomes
(Total Number of Studies)
Frequency
n (%)
Number of Positive ResultsFrequency
n (%)
Number of Positive ResultsFrequency
n (%)
Number of Positive ResultsFrequency
n (%)
Number of Positive Results
Cognitive flexibility
(7 studies)
3 (42.8)32 (28.6)20 (0)01(14.3)0
Cognitive control
(15 studies)
4 (26.7)44 (26.7)20 (0)01(6.7)1
Working Memory
(8 studies)
4 (50)41 (12.5)10 (0)01(12.5)0
Attention
(37 studies)
19 (51.4)169 (24.3)63 (8.1)20 (0)0
Language
(5 studies)
1 (20)12 (40)10 (0)01(20)1
Cognitive performance
(1 study)
1 (100)10 (0)00 (0)00 (0)0
Cognitive process
(2 studies)
2 (100)20 (0)00 (0)00 (0)0
Planning
(3 studies)
1 (33.3)12 (66.7)20 (0)00 (0)0
Academic Achievement
(4 studies)
1 (25)11(25)10 (0)00 (0)0
Academic Engagement
(2 studies)
0 (0)02 (100)20 (0)00 (0)0
Academic Performance
(3 studies)
2 (66.6)21 (33.3)10 (0)00 (0)0
Fluid intelligence
(1 study)
1 (100)10 (0)00 (0)00 (0)0
Alertness and Speed
(4 studies)
0 (0)01 (25)10 (0)02 (50)2
Table 4. Frequency of cognitive outcomes assessed for the two most common physical activity interventions and the direction of change.
Table 4. Frequency of cognitive outcomes assessed for the two most common physical activity interventions and the direction of change.
Physical Activity/Exercise/Movement TherapyEquine-Assisted Therapy
Outcomes
(Total Number of Studies)
Frequency
n (%)
Number of Positive ResultsFrequency
n (%)
Number of Positive Results
Cognitive flexibility
(7 studies)
5 (71.4)40 (0)0
Cognitive control
(15 studies)
6 (40)63 (20)2
Working Memory
(8 studies)
7 (87.5)60 (0)0
Attention
(37 studies)
11 (29.7)119 (24.3)5
Language
(5 studies)
2 (40)23 (60)2
Cognitive performance
(1 study)
1 (100)10 (0)0
Cognitive process
(2 studies)
1 (50)10 (0)0
Planning
(3 studies)
1 (33.3)11 (33.3)1
Academic Achievement
(4 studies)
3 (75)21 (25)1
Academic Engagement
(2 studies)
2 (100)20 (0)0
Academic Performance
(3 studies)
2 (66.7)20 (0)0
Fluid intelligence
(1 study)
1 (100)10 (0)0
Alertness and Speed
(4 studies)
3 (75)31(25)1
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Gitimoghaddam, M.; Vanderloo, L.M.; Hung, R.; Ryce, A.; McKellin, W.; Miller, A.; Collet, J.-P. Impacts of Participation in Community-Based Physical Activity Programs on Cognitive Functions of Children and Youth with Neurodevelopmental Disabilities: A Scoping Review. Brain Sci. 2021, 11, 195. https://doi.org/10.3390/brainsci11020195

AMA Style

Gitimoghaddam M, Vanderloo LM, Hung R, Ryce A, McKellin W, Miller A, Collet J-P. Impacts of Participation in Community-Based Physical Activity Programs on Cognitive Functions of Children and Youth with Neurodevelopmental Disabilities: A Scoping Review. Brain Sciences. 2021; 11(2):195. https://doi.org/10.3390/brainsci11020195

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Gitimoghaddam, Mojgan, Leigh M. Vanderloo, Rebecca Hung, Andrea Ryce, William McKellin, Anton Miller, and Jean-Paul Collet. 2021. "Impacts of Participation in Community-Based Physical Activity Programs on Cognitive Functions of Children and Youth with Neurodevelopmental Disabilities: A Scoping Review" Brain Sciences 11, no. 2: 195. https://doi.org/10.3390/brainsci11020195

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