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idiosyncratic classification

in classification tasks, the grouping of items that do not appear to share physical or conceptual characteristics. Also called random classification. Compare complementary classification; conceptual classification; perceptual classification.

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Psychology term of the day

January 30th 2025

Meckel’s syndrome

Meckel’s syndrome

a congenital disorder marked by microcephaly; eye, ear, and olfactory abnormalities; and varying degrees of brain-tissue anomalies. Some affected children show premature closure of skull sutures. The patients either are stillborn or die in early infancy. [Johann Friedrich Meckel (1781–1833), German anatomist]