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Hyde, Daniel C.; Winkler-Rhoades, Nathan; Lee, Sang-Ah; Izard, Veronique; Shapiro, Kevin A.; Spelke, Elizabeth S. – Neuropsychologia, 2011
We studied the cognitive abilities of a 13-year-old deaf child, deprived of most linguistic input from late infancy, in a battery of tests designed to reveal the nature of numerical and geometrical abilities in the absence of a full linguistic system. Tests revealed widespread proficiency in basic symbolic and non-symbolic numerical computations…
Descriptors: Spatial Ability, Nonverbal Ability, Numbers, Geometric Concepts