Children are limited in visual search accuracy and this ability increases from childhood to adolescence. Developmental limitations in visual search could be related to children's difficulties in efficiently planning and executing their search, often assessed with cancellation tasks. However, few studies have examined age-related changes in visual…

A nonverbal assessment procedure was designed to characterize cognition using a Piagetian framework with six autistic children, five echolalic and one nonverbal, ranging in age from 4.8 to 15.2. All six children evidenced competence beyond sensorimotor Stage VI, and demonstrated cognitive functioning between the periods of early preoperational and…

Tests the hypothesis that the presence of attentional deficits in autistic children interferes with their performance on tests of intellectual development and status. Twelve autistic, 12 normal, and 12 trainable mentally retarded children ages four through nine were administered six "Piagetian" tasks assessing performance at…

Adult musician's brains show structural enlargements, but it is not known whether these are inborn or a consequence of long-term training. In addition, music training in childhood has been shown to have positive effects on visual-spatial and verbal outcomes. However, it is not known whether pre-existing advantages in these skills are found in…