Components of response time as a function ofAge, physical activity, and aerobic fitness

被引:22
|
作者
Etnier, JL [1 ]
Sibley, BA [1 ]
Pomeroy, J [1 ]
Kao, JC [1 ]
机构
[1] Arizona State Univ, Dept Kinesiol, Tempe, AZ 85287 USA
关键词
processing speed; cognition; exercise;
D O I
10.1123/japa.11.3.319
中图分类号
R592 [老年病学]; C [社会科学总论];
学科分类号
03 ; 0303 ; 100203 ;
摘要
Research suggests that there are differences in response time (RespT) as a function of age but that aerobic fitness might have a facilitatory effect on RespT. This study was designed to examine this relationship while addressing methodological issues from past research. Men from 3 age groups completed speeded tasks, a physical activity questionnaire, and an aerobic-fitness test. Results indicated that age has a negative impact on RespT (specifically premotor time and movement time). The interaction of aerobic fitness by age was also a significant predictor of RespT (specifically movement time) such that aerobic fitness was positively related to speed of performance for older participants. It is concluded that aerobic fitness might serve a preservative function for speeded tasks in older adults.
引用
收藏
页码:319 / 332
页数:14
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