Published online by Cambridge University Press: 29 January 2018
Problem
The existence of impairment in abstract ability for certain abnormal groups has been well documented in the clinical literature (Goldstein, 1936, 1943; Goldstein and Sheerer, 1941). The concept of “abstract ability” involves various types of abilities which may or may not be related to each other in specific ways. For example, the ability to solve syllogisms need not necessarily require the same order of skill as elucidating proverbs, although persons gifted in abstract capabilities may excel in both. Nevertheless, groups of abilities variously referred to as “abstract” seem to undergo appreciable modifications in organic and functional pathologies and disorders.
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