Changes in arousal level by differential exercise intensity

Keita Kamijo; Yoshiaki Nishihira; Arihiro Hatta; Takeshi Kaneda; Tetsuo Kida; Takuro Higashiura; Kazuo Kuroiwa

doi:10.1016/j.clinph.2004.06.016

Changes in arousal level by differential exercise intensity

Keita Kamijo, Yoshiaki Nishihira, Arihiro Hatta, Takeshi Kaneda, Tetsuo Kida, Takuro Higashiura, Kazuo Kuroiwa

Research output: Contribution to journal › Article › peer-review

114 Citations (Scopus)

Abstract

The purpose of the present study was to investigate the influence of exercise intensity on arousal level. Twelve subjects (22-33 years) performed a S1-S2 reaction time task consisting of warning stimulus (S1) and imperative stimulus (S2) in a control condition, and again after low, medium, and high intensity pedaling exercises. During this task, contingent negative variation (CNV) and spontaneous electroencephalogram before S1 were measured as indicators for arousal level. CNV amplitude after high intensity pedaling exercise was significantly smaller than after medium pedaling exercise. Compared to the control condition, relative power value of α waves increased after the high intensity exercise. These results suggested that arousal level was reduced after high intensity exercise and reached a state near optimal level after medium intensity exercise. The findings also suggested that changes in CNV amplitude by differences in exercise intensity followed an inverted-U shaped dose response curve. The present study supported the view that CNV amplitude and arousal level followed an inverted-U relationship. It is concluded that differences in exercise intensity influenced arousal level.

Original language	English
Pages (from-to)	2693-2698
Number of pages	6
Journal	Clinical Neurophysiology
Volume	115
Issue number	12
DOIs	https://doi.org/10.1016/j.clinph.2004.06.016
Publication status	Published - 2004 Dec
Externally published	Yes

Keywords

Arousal level
CNV
Inverted-U shaped dose response curve
Spontaneous EEG

ASJC Scopus subject areas

Clinical Neurology
Radiology Nuclear Medicine and imaging
Neurology
Sensory Systems
Physiology (medical)

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10.1016/j.clinph.2004.06.016

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title = "Changes in arousal level by differential exercise intensity",

abstract = "The purpose of the present study was to investigate the influence of exercise intensity on arousal level. Twelve subjects (22-33 years) performed a S1-S2 reaction time task consisting of warning stimulus (S1) and imperative stimulus (S2) in a control condition, and again after low, medium, and high intensity pedaling exercises. During this task, contingent negative variation (CNV) and spontaneous electroencephalogram before S1 were measured as indicators for arousal level. CNV amplitude after high intensity pedaling exercise was significantly smaller than after medium pedaling exercise. Compared to the control condition, relative power value of α waves increased after the high intensity exercise. These results suggested that arousal level was reduced after high intensity exercise and reached a state near optimal level after medium intensity exercise. The findings also suggested that changes in CNV amplitude by differences in exercise intensity followed an inverted-U shaped dose response curve. The present study supported the view that CNV amplitude and arousal level followed an inverted-U relationship. It is concluded that differences in exercise intensity influenced arousal level.",

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author = "Keita Kamijo and Yoshiaki Nishihira and Arihiro Hatta and Takeshi Kaneda and Tetsuo Kida and Takuro Higashiura and Kazuo Kuroiwa",

year = "2004",

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doi = "10.1016/j.clinph.2004.06.016",

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AU - Nishihira, Yoshiaki

AU - Hatta, Arihiro

AU - Kaneda, Takeshi

AU - Kida, Tetsuo

AU - Higashiura, Takuro

AU - Kuroiwa, Kazuo

PY - 2004/12

Y1 - 2004/12

N2 - The purpose of the present study was to investigate the influence of exercise intensity on arousal level. Twelve subjects (22-33 years) performed a S1-S2 reaction time task consisting of warning stimulus (S1) and imperative stimulus (S2) in a control condition, and again after low, medium, and high intensity pedaling exercises. During this task, contingent negative variation (CNV) and spontaneous electroencephalogram before S1 were measured as indicators for arousal level. CNV amplitude after high intensity pedaling exercise was significantly smaller than after medium pedaling exercise. Compared to the control condition, relative power value of α waves increased after the high intensity exercise. These results suggested that arousal level was reduced after high intensity exercise and reached a state near optimal level after medium intensity exercise. The findings also suggested that changes in CNV amplitude by differences in exercise intensity followed an inverted-U shaped dose response curve. The present study supported the view that CNV amplitude and arousal level followed an inverted-U relationship. It is concluded that differences in exercise intensity influenced arousal level.

AB - The purpose of the present study was to investigate the influence of exercise intensity on arousal level. Twelve subjects (22-33 years) performed a S1-S2 reaction time task consisting of warning stimulus (S1) and imperative stimulus (S2) in a control condition, and again after low, medium, and high intensity pedaling exercises. During this task, contingent negative variation (CNV) and spontaneous electroencephalogram before S1 were measured as indicators for arousal level. CNV amplitude after high intensity pedaling exercise was significantly smaller than after medium pedaling exercise. Compared to the control condition, relative power value of α waves increased after the high intensity exercise. These results suggested that arousal level was reduced after high intensity exercise and reached a state near optimal level after medium intensity exercise. The findings also suggested that changes in CNV amplitude by differences in exercise intensity followed an inverted-U shaped dose response curve. The present study supported the view that CNV amplitude and arousal level followed an inverted-U relationship. It is concluded that differences in exercise intensity influenced arousal level.

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Changes in arousal level by differential exercise intensity

Abstract

Keywords

ASJC Scopus subject areas

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