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

来源：

JOURNAL OF AGING AND PHYSICAL ACTIVITY | 2003年 / 11卷 / 03期

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

页码：319 / 332

页数：14

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