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Rodriguez-Aranda, Claudia; Sundet, Kjetil – Journal of Genetic Psychology, 2006
With 101 healthy aging adult participants, the authors investigated whether executive functions are a unitary concept. The authors established the factor structure of the Wisconsin Card Sorting Test (WCST; E. A. Berg, 1948), the Stroop color and word test (C. J. Golden, 1978), verbal fluency using the Controlled Oral Word Association Test (COWAT;…
Descriptors: Aging (Individuals), Factor Structure, Association Measures, Cognitive Processes
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Blair, Clancy – Learning Disabilities: A Contemporary Journal, 2004
This paper examines the neurobiology of fluid cognitive functions of the prefrontal cortex and considers learning disability as a specific example of a group of developmental disorders characterized by fluid skills impairment in the presence of crystallized intelligence in the normal range. Research indicating fluid cognitive impairments in…
Descriptors: Learning Disabilities, Intelligence, Cognitive Processes, Brain Hemisphere Functions