Key summary points
We propose a scoping review on psychomotor disadaptation syndrome. We performed a search for epidemiological studies on this subject.
AbstractSection FindingsPsychomotor disadaptation syndrome has not yet been the focus of an epidemiological study and is poorly known, especially outside of France. Post-fall syndrome is the best known and most studied aspect of psychomotor disadaptation syndrome.
AbstractSection MessageRaising awareness among medical or paramedical geriatrics professionals about psychomotor disadaptation syndrome is necessary, especially because the number of frail older adults who exhibit this syndrome will continue to increase.
Abstract
Background
Clinical features of psychomotor disadaptation syndrome (PDS) include posture, gait, psycho-behavioral, and neurological disorders, which increase the risk of falling. Psychomotor regression syndrome, described in 1986, was renamed PDS following improvements in its pathophysiological understanding, including the preeminent role of subcortical-frontal lesions. Because frailty in aging contributes to the appearance of PDS, the geriatric professionals need to be aware of its existence.
Purpose
This article aims to provide a scoping review on PDS. Moreover, we searched for epidemiological studies and assessed whether or not all the aspects of PDS are recognized.
Methods
The studies were retrieved from three electronic databases (PubMed, Science Direct, and Google Scholar) using these terms: psychomotor disadaptation syndrome, psychomotor regression syndrome, frontal-sub-cortical dysfunction syndrome, backward disequilibrium, retropulsion, post-fall syndrome, reactional hypertonia, axial akinesia, and older adults.
Results
Out of 456 shortlisted articles, 45 met the inclusion criteria. Our results show that PDS is poorly known, especially outside of France, which had the largest number of published studies on this syndrome. Abroad, only three aspects have been described (post-fall syndrome, retropulsion, and fear of falling). Often, they are not recognized as belonging to a real syndrome, but rather an association of signs. Post-fall syndrome, found in 14 studies, is the best known and most studied aspect of PDS. There were no epidemiological studies.
Conclusion
With the increasing number of frail older adults, there will be an inevitable growth in the incidence of PDS. Raising awareness about PDS among medical and paramedical geriatrics professionals is essential.


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Data availability
The datasets reported in this review are publicly available.
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The authors are grateful to Mrs. Suzanne Rankin, a native English speaker, for editing and proofreading this article.
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AM and PM performed article selection based on title and abstract against predefined inclusion criteria, and if an article was deemed potentially relevant, they assessed the full text on study eligibility. AM and PM wrote the manuscript. All authors made critical revisions and approved the final version of the manuscript.
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Merendino, A., Mourey, F., Renoncourt, T. et al. Psychomotor disadaptation syndrome: a scoping review. Eur Geriatr Med (2025). https://doi.org/10.1007/s41999-025-01176-1
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DOI: https://doi.org/10.1007/s41999-025-01176-1