The relationship between working memory capacity and cortical activity during performance of a novel motor task |
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| Affiliation: | 1. Institute of Sport, Exercise and Active Living (ISEAL), College of Sport and Exercise Science, Victoria University, Melbourne, Australia;2. Tennis Australia, Melbourne, Australia;3. Australian Institute of Sport, Canberra, Australia;4. Institute of Human Performance, The University of Hong Kong, Hong Kong;5. Te Oranga School of Human Development and Movement Studies, University of Waikato, New Zealand;1. Department of Psychology and Speech Pathology, Curtin University, Australia;2. Department of Physical Education and Sport Science, Aristotle University of Thessaloniki, Greece;3. Department of Physical Education, University of Memphis, USA;1. Ghent University, Department of Movement and Sport Sciences, Watersportlaan 2, 9000 Ghent, Belgium;2. Ghent University, Department of Developmental, Personality and Social Psychology, Henri-Dunantlaan 2, 9000 Ghent, Belgium;1. Missouri Baptist University, St. Louis, MO, United States;2. McMaster University, Hamilton, Ontario, Canada;3. Canadian Wheelchair Sports Association, Vancouver, Canada;4. British Columbia Wheelchair Sports Association, Vancouver, Canada |
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| Abstract: | ObjectivesThis study assessed whether individual differences in working memory capacity influenced verbal-analytical processes when performing a novel motor skill.DesignParticipants performed a tennis-hitting task in two conditions: no pressure and high-pressure.MethodsEighteen young adults participated in the study. EEG coherence between the T3-F3 and T4-F4 regions in the Beta1 and Alpha2 frequencies was recorded during performance in each condition. Verbal and visuo-spatial working memory capacity were assessed using the Automated Working Memory Assessment.ResultsNo differences were found between the two conditions for hitting performance and EEG activity. However, across both conditions, verbal and visuo-spatial working memory were significant predictors of EEG coherence between the T3-F3 and T4-F4 regions in the Beta1 and Alpha2 frequencies. Larger verbal working memory capacity was associated with greater coherence while the opposite trend was observed for visuo-spatial working memory capacity.ConclusionsThese results indicate that larger verbal working memory capacity is associated with a greater tendency to use explicit processes during motor performance, whereas larger visuo-spatial working memory capacity is associated more with implicit processes. The findings are discussed with relevance to the theory of implicit motor learning. |
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| Keywords: | Cognitive processes Electrophysiology EEG coherence Implicit learning Working memory Individual differences |
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