Twenty-four relatively high-functioning children and adolescents with autism were compared to typically developing children (matched for nonverbal mental age and language level) on three tasks designed to assess the presence of cognitive social scripts. Results indicated that basic scriptal knowledge was intact, but that reliable differences in…

This study examined discourse cohesion in young normal (n=8), specifically language-impaired (n=8), or autistic (n=10) children (ages 3-7). Results showed all three groups used the same cohesion strategies with similar patterning. Significant group differences were found in the overall rate of correct use and in the use of individual cohesive…

The maladaptive behaviors, personality, and language skills of a male whose chromosome analysis showed evidence of mosaicism with karyotype 49,XXXXY and 48,XXXY are described. Research on severity of mental handicap with extra chromosomes, delayed speech development, and discrepancy between verbal and performance intelligence is examined. (JDD)

Sign language production of 14 low-functioning students (ages 9 to 20) with autistic disorder were examined. The location aspect of signs was produced more accurately by subjects than either the handshape or movement aspects. Wide individual differences were observed. Sign vocabulary size and accuracy was correlated with performance on two…