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sensory homunculus

a figurative representation, in distorted human form, of the relative sizes of the sensory areas in the brain that correspond to particular sensory parts of the body. The homunculus is arranged upside down with the largest proportional areas representing the face and hands. Compare motor homunculus.

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Psychology term of the day

September 8th 2024

drift

drift

n.

1. a reduction in variation in genetic traits that can occur when sampling from continually smaller groups, such that some traits ultimately become excluded from possibility.

2. a reduction in the reliability of technical instruments orin the accuracy of observers over time. See instrument drift; observer drift.