Physiology -- Physical Activity

McGlannan, Frances; Guptan, V. P.; Sharma, T. R.; Jaspal, S. S.
June 1974
Journal of Learning Disabilities;Jun/Jul1974, Vol. 7 Issue 6, p361
Academic Journal
This article reports that the concept that man is a psychophysical entity implies organismic interaction such that one type of activity affects performance of another. It includes the effect of muscular or mental exertion on the performance of verbal, numerical, or physical tasks. Too high or too low energy release appears to result in a reduction in human performance, whereas a moderate release seems to enhance performance. The purpose of a recent study conducted in Punjab, India, at the Government College of Physical Education was to investigate the influence of physical activity on the performance of mental tasks. The experiment was conducted in the morning under constant environmental and temperature conditions. Testing was done individually and an analysis of variance was done on the sets of problems solved by subjects within an interval of 5 minutes. The data show that physical exercise of 10 minutes or more decreased the performance on mental task. This interpretation indicates that the cerebral cortex, the seat of higher level cognitive processes, has the highest metabolic rate in the central nervous system and, consequently, is most likely to suffer loss of function due to lack of oxygen.


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