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The effects of physical activity timing and complexity on episodic memory: A randomized controlled trial
Daphne Schmid1, Ahmed Qazi1, Nathan M Scott1
1Kinesiology Department, University of Georgia, USA.
Psychology of Sport and Exercise
|September 4, 2023
Summary
Acute physical activity (PA) did not improve memory recall or recognition in young adults. Neither the timing nor complexity of the dance exercise affected memory performance.
Area of Science:
- Cognitive neuroscience
- Exercise science
- Human memory
Background:
- Acute physical activity (PA) is known to influence cognitive functions, including memory.
- The impact of PA timing and complexity on memory consolidation and retrieval requires further investigation.
Purpose of the Study:
- To examine how acute physical activity (PA) timing and complexity affect free-recall and recognition memory in young adults.
- To test hypotheses that PA before encoding and complex PA enhance mnemonic benefits.
Main Methods:
- Two experiments involved participants performing simple or complex dance routines, or resting, before or after learning the Rey Auditory Verbal Learning Task.
- Memory was assessed immediately after PA, 24 hours, and 7 days post-training.
Main Results:
- Neither the timing (before vs. after learning) nor the complexity (simple vs. complex dance) of acute PA significantly impacted free-recall or recognition memory.
- Results contrast with previous findings on PA and motor learning, suggesting different cognitive processes are involved.
Conclusions:
- The timing and complexity of acute physical activity do not appear to influence episodic memory performance in young adults.
- Discrepancies with prior research may stem from differences in memory types (episodic vs. procedural) and underlying working memory mechanisms.
