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ERIC Number: EJ926122
Record Type: Journal
Publication Date: 2011-Jun
Pages: 14
Abstractor: As Provided
Reference Count: 0
ISSN: ISSN-0898-929X
Cardiorespiratory Fitness and the Flexible Modulation of Cognitive Control in Preadolescent Children
Pontifex, Matthew B.; Raine, Lauren B.; Johnson, Christopher R.; Chaddock, Laura; Voss, Michelle W.; Cohen, Neal J.; Kramer, Arthur F.; Hillman, Charles H.
Journal of Cognitive Neuroscience, v23 n6 p1332-1345 Jun 2011
The influence of cardiorespiratory fitness on the modulation of cognitive control was assessed in preadolescent children separated into higher- and lower-fit groups. Participants completed compatible and incompatible stimulus-response conditions of a modified flanker task, consisting of congruent and incongruent arrays, while ERPs and task performance were concurrently measured. Findings revealed decreased response accuracy for lower- relative to higher-fit participants with a selectively larger deficit in response to the incompatible stimulus-response condition, requiring the greatest amount of cognitive control. In contrast, higher-fit participants maintained response accuracy across stimulus-response compatibility conditions. Neuroelectric measures indicated that higher-fit, relative to lower-fit, participants exhibited global increases in P3 amplitude and shorter P3 latency, as well as greater modulation of P3 amplitude between the compatible and incompatible stimulus-response conditions. Similarly, higher-fit participants exhibited smaller error-related negativity (ERN) amplitudes in the compatible condition, and greater modulation of the ERN between the compatible and incompatible conditions, relative to lower-fit participants who exhibited large ERN amplitudes across both conditions. These findings suggest that lower-fit children may have more difficulty than higher-fit children in the flexible modulation of cognitive control processes to meet task demands.
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Publication Type: Journal Articles; Reports - Evaluative
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A