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Vigorous Exercise Enhances Verbal Fluency Performance in Healthy Young Adults
Maya M Khanna1, Corey L Guenther1, Joan M Eckerson2
1Department of Psychological Science, Creighton University, Omaha, NE 68178, USA.
Brain Sciences
|January 24, 2025
Summary
Cardiovascular exercise significantly impacts verbal fluency. Exercising participants showed changes in word production over time, unlike the control group, indicating exercise affects lexical access.
Area of Science:
- Cognitive Neuroscience
- Exercise Physiology
Background:
- Verbal fluency tasks (VFTs) assess cognitive processing.
- The impact of acute exercise on VFTs is not fully understood.
Purpose of the Study:
- To investigate the effects of a vigorous 30-minute cycling session on verbal fluency.
- To compare changes in VFT performance between an exercise group and a control group.
Main Methods:
- Participants completed phonemic and semantic VFTs before, during, and after exercise or a non-physical control activity.
- VFT performance was analyzed based on word characteristics and topic switching.
- Between-groups and within-group changes over time were examined.
Main Results:
- Exercising participants demonstrated altered VFT performance over time, while controls did not.
- Exercising participants produced words with fewer letters and lower frequency during and after exercise.
- Increased topic switching was observed in the exercise group post-exercise.
Conclusions:
- Acute cardiovascular exercise influences verbal fluency and lexical access.
- Observed VFT changes in the exercise group were attributable to the physical activity, not practice effects.
- Exercise modulates cognitive processes involved in word retrieval and organization.
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