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논문 기본 정보

자료유형
학술저널
저자정보
Young-woo Ko (Department of Psychiatry College of Medicine Chung-Ang University Seoul Republic of Korea) Sun Mi Kim (Department of Psychiatry College of Medicine Chung-Ang University) Kyoung Doo Kang (Department of Psychiatry College of Medicine Chung-Ang University Seoul Republic of Korea) Doug Hyun Han (Department of Psychiatry College of Medicine Chung-Ang University Seoul Republic of Korea)
저널정보
대한신경정신의학회 PSYCHIATRY INVESTIGATION PSYCHIATRY INVESTIGATION 제20권 제1호
발행연도
2023.1
수록면
27 - 34 (8page)

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Objective Aerobic exercise may be associated with changes in brain activity within the default mode network (DMN) and dorsal atten tion network (DAN). We hypothesized that changes in functional connectivity (FC) within the DMN and DAN might be most effectively activated by moderate-intensity exercise. Methods Resting-state functional magnetic resonance imaging scans and visuospatial attention tests after resting were performed be fore and after each of moderate- and high-intensity aerobic exercises (10 min each) in 15 healthy male volunteers. Results The reaction time during the attention test increased significantly, and the rate of correct responses decreased from moderate intensity exercise condition to high-intensity exercise condition. FC within the DMN under high-intensity exercise condition was higher than that under pre-exercise and moderate-intensity exercise conditions. FC within the DAN under moderate-intensity exercise condi tion was the highest, whereas FC between the DMN and DAN under moderate-intensity exercise condition was the lowest. Changes in cognitive domain functions were associated with changes in FC between the DMN and DAN. Conclusion Our results support the inverted-U hypothesis of maximum arousal efficacy during moderate exercise. Both cognitive do mains, namely, the attention system and brain activity domains, may be better under moderate-intensity exercise than under high-inten sity exercise.

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