cerebral angiomatosis

a disease characterized by the formation of multiple tumors in the blood vessels that supply brain tissue. A congenital form of the disorder is marked by frequent seizures and muscular weakness on one side of the body as a result of impaired blood flow to the brain.

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Psychology term of the day

December 26th 2024

factor method

any means by which latent variables (factors) are extracted or identified in factor analysis. Widely used factor methods include principal components analysis, which seeks to find a set of linear combinations called components that help explain the correlations among variables; and principal-axis factor analysis, in which underlying dimensions or factors are sought to explain the correlations among variables after separating out communality and putting aside the error variance in a set of variables.