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Motor Information Might be Relatively Preserved in Healthy Aging: Investigation of Body-Object Interaction
Xueyao Pan1, Bingqian Liang2, Ping Zhu3
1School of Foreign Languages and Literatures, Chongqing Normal University, China.
Quarterly Journal of Experimental Psychology (2006)
|February 21, 2026
Summary
Healthy aging does not significantly impair motor semantic processing or representations. Older adults show preserved motor simulation, with slower responses possibly due to executive control decline, not motor degradation.
Area of Science:
- Cognitive Neuroscience
- Psychology
- Linguistics
Background:
- Embodied cognition theory posits motor word processing involves motor simulation.
- Neurodegenerative diseases impair motor semantics in older adults, but healthy aging effects are debated.
Purpose of the Study:
- To investigate the impact of healthy aging on motor representations and semantic processing.
- To examine how Body-Object Interaction (BOI) and task type modulate these effects in older adults.
Main Methods:
- Three experiments were conducted: a BOI rating task, a lexical decision task, and a semantic categorization task.
- Participants included healthy younger and older adults.
Main Results:
- Older adults' BOI ratings were comparable to younger adults, suggesting preserved motor representations.
- A facilitatory BOI effect was observed in older adults across tasks, indicating preserved motor simulation.
- Older adults were slower in lexical tasks, potentially due to reduced executive control.
Conclusions:
- Healthy aging does not appear to cause significant degradation in motor information processing.
- Motor representations and simulation seem relatively preserved in healthy older adults.
- Task modulation of motor semantic processing in healthy aging requires further investigation.
