This study of 38 right-handed children (age range 90 to 201 months) with dyslexia found characteristic patterns of organization of intellectual functions, of hemispheric specialization, and of reading errors in the subtypes, identified as linguistic dyslexia, perceptual dyslexia, and mixed dyslexia. (DB)

This study found that teachers' ratings of their 8 severely mentally handicapped pupils' (ages 9-18) classroom behavior were correlated with children's performance on a discrimination learning task. The factors of attention/distractibility and responsivity to consequences correlated significantly with number of errors and number of trials to…