The conclusion that learning disabled children have a deficit in perceptual organization is not accepted because of two major methodological problems. Dean refutes this criticism showing that learning disabled children have a perceptual organization deficit when compared with emotionally disturbed children. (Author/BEF)

The cerebral laterality of children with various configurations of verbal-performance discrepancies was inferred with an objective measure of lateral preference using Verbal and Performance IQ scores of the WISC-R. Results were interpreted as lending support to the notion of competition antagonism between cortical hemispheres and a possible…