1972British Journal of PsychologyRequires access

IKONIC IMAGERY IN THE SEVERELY SUBNORMAL

C. K. Mackay

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Abstract

Ability to reproduce and transpose matrices was studied in 23 adult SSN trainees. These subjects could transpose the matrices at a MA equivalent to the CA at which children normally do. The ability to reproduce the same matrices was not in evidence prior to the ability to transpose them, as it is in normal children. One possible interpretation of this finding is that cognitive development in SSNs is qualitatively different from that of normal children.

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What this paper is about

Ability to reproduce and transpose matrices was studied in 23 adult SSN trainees. These subjects could transpose the matrices at a MA equivalent to the CA at which children normally do. The ability to reproduce the same matrices was not in evidence prior to the ability to transpose them, as it is in normal children. One possible interpretation of this finding is that cognitive development in SSNs is qualitatively different from that of normal children.

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Available abstract

Ability to reproduce and transpose matrices was studied in 23 adult SSN trainees. These subjects could transpose the matrices at a MA equivalent to the CA at which children normally do. The ability to reproduce the same matrices was not in evidence prior to the ability to transpose them, as it is in normal children. One possible interpretation of this finding is that cognitive development in SSNs is qualitatively different from that of normal children.

Key concepts: Transpose, Psychology, Interpretation (philosophy), Cognition, Developmental psychology, Cognitive psychology, Neuroscience, Linguistics

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