The Combined Effects of Obesity and Cardiorespiratory Fitness Are Associated with Response Inhibition: An ERP Study

Lin Chi, Chiao-Ling Hung, Chi-Yen Lin, Tai-Fen Song, Chien-Heng Chu, Yu-Kai Chang and Chenglin Zhou
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Lin Chi: School of Physical Education, Minnan Normal University, Zhangzhou 363000, Fujian, China
Chiao-Ling Hung: Department of Athletics, National Taiwan University, Taipei 106319, Taiwan
Chi-Yen Lin: Physical Education Office, National Taiwan Ocean University, Keelung 202301, Taiwan
Tai-Fen Song: Department of Sport Performance, National Taiwan University of Sport, Taichung 404401, Taiwan
Chien-Heng Chu: Department of Physical Education, National Taiwan Normal University, Taipei 106209, Taiwan
Yu-Kai Chang: Department of Physical Education, National Taiwan Normal University, Taipei 106209, Taiwan
Chenglin Zhou: School of Psychology, Shanghai University of Sport, Shanghai 200438, China

IJERPH, 2021, vol. 18, issue 7, 1-14

Abstract: Obesity and cardiorespiratory fitness exhibit negative and positive impacts, respectively, on executive function. Nevertheless, the combined effects of these two factors on executive function remain unclear. This study investigated the combined effects of obesity and cardiorespiratory fitness on response inhibition of executive function from both behavioral and neuroelectric perspectives. Ninety-six young adults aged between 18 and 25 years were recruited and assigned into four groups: the high cardiorespiratory fitness with normal weight (NH), high cardiorespiratory fitness with obesity (OH), low cardiorespiratory fitness with normal weight (NL), and low cardiorespiratory fitness with obesity (OL) groups. The stop-signal task and its induced P3 component of event-related potentials was utilized to index response inhibition. The participants with higher cardiorespiratory fitness (i.e., the NH and OH groups) demonstrated better behavioral performance (i.e., shorter response times and higher accuracy levels), as well as shorter stop-signal response times and larger P3 amplitudes than their counterparts with low cardiorespiratory fitness (i.e., the NL and OL groups). The study provides first-hand evidence of the substantial effects of cardiorespiratory fitness on the response inhibition, including evidence that the detrimental effects of obesity might be overcome by high cardiorespiratory fitness.

Keywords: body mass index; fitness; executive control; event-related potential (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2021
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