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Structural and functional neural substrates underlying the concreteness effect

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Abstract

The concreteness effect refers to the advantage in speed and accuracy of processing concrete words over abstract words. Previous studies have shown that the processing of the two types of words is mediated by distinct neural mechanisms, but these studies were mainly conducted with task-based functional magnetic resonance imaging. This study investigates the associations between the concreteness effect and grey matter volume (GMV) of brain regions as well as resting-state functional connectivity (rsFC) of these identified regions. The results show that the GMV of left inferior frontal gyrus (IFG), right middle temporal gyrus (MTG), right supplementary motor area and right anterior cingulate cortex (ACC) negatively correlates with the concreteness effect. The rsFC of the left IFG, the right MTG and the right ACC with the nodes, mainly in default mode network, frontoparietal network and dorsal attention network positively correlates with the concreteness effect. The GMV and rsFC jointly and respectively predict the concreteness effect in individuals. In conclusion, stronger connectivity amongst functional networks and higher coherent engagement of the right hemisphere predict a greater difference in the verbal memory of abstract and concrete words.

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Availability of data and material (data transparency)

The datasets used and/or analyzed during the current study are available from the corresponding author upon reasonable request.

Code availability (software application or custom code)

The code used and/or analyzed during the current study are available from the corresponding author upon reasonable request.

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Funding

This research was supported by grants from the National Nature Science Foundation of China (62176045), the Sichuan Science and Technology Program (2023YFS0191, 2022014), the 111 project (B12027), and the Fundamental Research Funds for the Central Universities (ZYGX2020FRJH014).

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Authors and Affiliations

Authors

Contributions

JY and WL wrote the main manuscript text. WL collected data and prepared all the figures and tables. JY, WL, TZ, JZ, ZJ and LL reviewed and editted the manuscript. LL supervised the whole study.

Corresponding author

Correspondence to Ling Li.

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Conflict of interest

The authors declare that they have no competing interests.

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We obtained written informed consent of each subject prior to participation. The experimental procedures were carried out in accordance with the Declaration of Helsinki and were approved by the Institutional Review Board of the University of Electronic Science and Technology of China.

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Informed consent was obtained from all participants included in the study.

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Appendix

Appendix

Concrete words

Abstract words

Letter

White clouds

Violence

Aid

Beer

Garden

Delight

Resources

Photo

Soybean

Virtue

Interests

Egg

Judge

Ability

Link

Pigeon

River bank

Presentation

Effect

Store

Nursery garden

Fame

Remnants

Plum blossom

Stretcher

Wealth gap

Reform

Couplet

Gemstone

Philosophy

Riot

Planet

Tomato

Representation

Sensibility

Straw

Rose

Intension

Illusion

Raincoat

Paint

Talent

Opportunity

Moon

Stool

Happiness

Mood

Snowflake

Lantern

Setback

Security

Chalk

Nurse

Rumor

Warfare

Newspaper

Liver

Authority

Predicament

Sparrow

Porcelain

Impressions

Idea

Breast

Beard

Ending

Ambition

Cloud

Island

Suffering

Supply

Flame

Engine room

Enthusiasm

Trouble

Bulb

Secretary

Beginning

Force

Train

Floor

Outside

Aspiration

Band

Rubber

Dignity

Example

Father

Pointer

Expectation

Bias

Honey

Wadded jacket

Utility

Miracle

Red star

Tube

Increase

Reputation

Sculpture

Willow

Noema

Ending

Walnut

Dock

Esteem

Microscale

Dessert

Crab

Disadvantage

Limit

Throat

Beach

Effort

Vital part

Glacier

Flower

Knowledge

Target

Rice

Banana

Public order

Courage

Lamp

Eyebrow

Question

Attainments

Pineapple

Parcel

Progress

Accumulation

Mine

Drug

Duty

Difficulty

Shoulder pole

Bullet

Manners

Taste

Record

Spider

Decision

Experience

English translations of the Chinese concrete and abstract words used in the task.

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Cite this article

Yan, J., Li, W., Zhang, T. et al. Structural and functional neural substrates underlying the concreteness effect. Brain Struct Funct 228, 1493–1510 (2023). https://doi.org/10.1007/s00429-023-02668-1

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  • DOI: https://doi.org/10.1007/s00429-023-02668-1

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