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cerebral syphilis

a condition that results when untreated syphilis involves the cerebral cortex and surrounding meningeal membranes, causing general paresis. The condition, which usually develops about 10 years after the initial infection, is marked by irritability, memory impairment, inability to concentrate, headaches, insomnia, and behavioral deterioration. See neurosyphilis.

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Psychology term of the day

January 14th 2025

Kruskal–Shepard scaling

Kruskal–Shepard scaling

a type of multidimensional scaling applied to judgments of similarity or dissimilarity for pairs of items (e.g., cities). The dissimilarities are represented by distances between items in a highly dimensional space: Larger distances indicate greater dissimilarity. [William Henry Kruskal (1919–2005), U.S. statistician; Roger N. Shepard (1929–  ), U.S. experimental and cognitive psychologist]