Travlos A K, Marisi D Q
Department of Physical Education, Hellenic Air Force Academy, Greece.
Percept Mot Skills. 1996 Aug;83(1):219-25. doi: 10.2466/pms.1996.83.1.219.
The purpose of this study was to investigate whether raised core temperature due to gradually increased amounts of exercise affects concentration and speed of information processing, 20 paid men, separated into groups of high (> 56 ml/kg/min.) and low fitness (< 46 ml/kg/min.) according to their maximal oxygen uptake (VO2max), participated in two experimental conditions (exercise and control). Concentration was measured by the Random Number Generation test of attentional deployment given every 10 min. of cycling at workloads calculated as 40, 50, 60, 70, and 80% of individual VO2max values and 10 min. after exercise cessation (exhaustion). Speed of information processing was estimated by an eight-choice reaction time/movement time task given before and after exercise and 15 min. after exercise cessation. Core temperature was recorded at the same time individuals were administered the psychological tests. Analyses indicated that core temperatures increased significantly as a function of exercise intensity for high and low fitness groups. Correlations among the psychophysiological factors indicated that increases in core temperature were not associated with mental functioning. However, at certain core temperatures, core temperature and average choice reaction time/movement time were associated with participants' fitness.
本研究的目的是调查因运动量逐渐增加而导致的核心体温升高是否会影响信息处理的注意力集中程度和速度。20名有偿参与的男性，根据其最大摄氧量（VO2max）分为高体能组（>56毫升/千克/分钟）和低体能组（<46毫升/千克/分钟），参与了两种实验条件（运动和对照）。注意力集中程度通过在按个体VO2max值的40%、50%、60%、70%和80%计算的工作量下骑行每10分钟进行一次的注意力分配随机数生成测试来测量，以及在运动停止（精疲力竭）后10分钟进行测量。信息处理速度通过在运动前后以及运动停止后15分钟进行的八选反应时间/运动时间任务来估计。在对个体进行心理测试的同时记录核心体温。分析表明，高体能组和低体能组的核心体温均随运动强度显著升高。心理生理因素之间的相关性表明，核心体温升高与心理功能无关。然而，在特定的核心体温下，核心体温和平均选择反应时间/运动时间与参与者的体能有关。
