roughness discrimination test

a test of somesthetic sensitivity in which participants are asked to determine by touch which of a choice of surfaces (e.g., grades of sandpaper) has a greater roughness. The ability is sometimes impaired following a lesion in a brain area related to the sense of touch.

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Psychology term of the day

May 8th 2024

reinforcement of alternative behavior

a procedure that involves eliminating reward or reinforcement for an undesired behavior and instead rewarding a desired behavior. Also called rewarded alternative method.