Physical activity and trial-by-trial adjustments of response conflict

Keita Kamijo, Yuji Takeda

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

The relationship of physical activity to trial-by-trial adjustments of response conflict was assessed using behavioral task performance, the N2 event-related brain potential component, and phase-locking values (PLVs) in a lower gamma band during a perceptual conflict task. Nineteen physically active and 19 inactive young adults (mean age = 21.3 years) performed a Navon task, using a global letter made up of local letters of either the same kind (congruent trials) or a different kind (incongruent trials). Findings revealed that active individuals exhibited smaller N2 amplitudes and greater PLVs on incongruent trials that were preceded by incongruent trials compared with those preceded by congruent trials. Such phenomena were not observed for inactive individuals. These results suggest that greater physical activity is associated with larger trial-bytrial adjustments of response conflict, which we attribute to upregulation of top-down cognitive control and reductions in response conflict.

Original languageEnglish
Pages (from-to)398-407
Number of pages10
JournalJournal of Sport and Exercise Psychology
Volume35
Issue number4
Publication statusPublished - 2013

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Social Adjustment
Exercise
Task Performance and Analysis
Evoked Potentials
Young Adult
Up-Regulation
Conflict (Psychology)
Brain

Keywords

  • Cognitive control
  • Conflict adaptation
  • Exercise
  • N2
  • Phase-locking value

ASJC Scopus subject areas

  • Applied Psychology

Cite this

Physical activity and trial-by-trial adjustments of response conflict. / Kamijo, Keita; Takeda, Yuji.

In: Journal of Sport and Exercise Psychology, Vol. 35, No. 4, 2013, p. 398-407.

Research output: Contribution to journalArticle

Kamijo, Keita ; Takeda, Yuji. / Physical activity and trial-by-trial adjustments of response conflict. In: Journal of Sport and Exercise Psychology. 2013 ; Vol. 35, No. 4. pp. 398-407.
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