Developmental Aphasia in Educationally Retarded Children.

This monograph, another publication of the W. H. Ross Foundation for the Study of Prevention of Blindness, is partly supplemental to, and continues the investigations reported in, the author's "Ocular Dominance in Relation to Developmental Aphasia." The "aphasic syndrome" is characterized by two major aspects : (1) word recognition difficulty and (2) strephosymbolia, or twisting of symbols. "When these characters of subnormal language achievement are found associated with left-eye dominance, a diagnosis of aphasic interference may confidently be made." A total of 140 boys and girls (84 boys and 56 girls) included in the registry of seriously retarded children were given tests for intelligence, language attainment and laterality (eye dominance and hand dominance). The incidence of squint, latent or manifest, was noted. The intelligence tests administered were the Terman-Merrill (1937) revision of the Stanford-Binet scale. Attainment in reading was assessed on Burt's "Test of Educational Attainment." Eye dominance was determined by