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n. a form of physical activity that is planned, repetitive in nature, and designed to enhance or maintain physical condition. Physical exercise may also be used as an adjunct to mental health therapy. See also exercise psychology; time-out theory.

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Psychology term of the day

February 26th 2024



n. red–green color blindness in which the deficiency is due to absence of the cone photopigment sensitive to green light, resulting in loss of green sensitivity and confusion between red and green (see dichromatism). The condition may be unilateral (i.e., color vision may be normal in one eye). See also protanopia.