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Categorization skills and receptive language development in autistic children.

The category knowledge and receptive language skills of 16 autistic, mentally retarded, and normal children were assessed. The autistic children's knowledge of function, form, and color categories was comparable to that of the mental-age-matched mentally retarded and normal comparison groups. Category knowledge and receptive language were more closely associated for mentally retarded and normal children than for autistic children. The findings indicate that category knowledge is not sufficient for the development of receptive language in autistic children.

Autistic Disorder↗

Speech and language development in 41 children with sex chromosome anomalies.

Forty-one children with sex chromosome anomalies identified from the chromosome screening of a newborn population were blindly evaluated by a speech-language pathologist, along with a control group of 31 siblings. 47,XXX girls and 47,XXY boys were found to have increased problems in auditory perception, receptive language, and expressive language; the problems of the 47,XXY boys were less severe than those of the 47,XXX group, and reflected specific deficits in their ability to process linguistic information rather than a deficit in comprehension. An increased occurrence of speech production problems among the 45,X girls was associated with the presence of oral/structural malformations that often had no measurable effect on their production of speech sounds. Although the 45,X girls and 47,XYY boys had no significant increase of problems in auditory reception, receptive language, and expressive language, the trend of the data suggested more difficulty than in the control groups. The mosaic children were not different from the control subjects. Some children in all groups were found to have normal speech and language development.

Adolescent↗

Early identification and cochlear implantation: critical factors for spoken language development.

Documentation is lacking regarding the ability of congenitally deaf children to attain age-appropriate spoken language skills using a cochlear implant, and how early implantation must occur if such development is to be possible. Spoken language data are presented for infants who underwent implantation at 18 months of age or younger. Additional data are used to compare outcomes among children who differed in age at implantation. Data collected at Carle Clinic and Foundation Hospital were reviewed for 47 consecutively implanted children ranging in age from 9 to 48 months at implantation. These data were analyzed and compared by age-at-implantation groupings for speech perception skills, communication mode, and spoken language abilities. The groups differed dramatically in abilities. The best outcomes occurred in children who underwent implantation at or before 18 months of age. Several of these infants demonstrated age-appropriate spoken language skills. We conclude that early implantation is desirable. Children who undergo implantation as infants may develop language skills commensurate with those of their hearing peers.

Age Factors↗

Language development in 2-year-old normal and risk infants.

A variety of language measures was obtained on two groups of 2-year-old infants matched for social class but differing in terms of birth conditions. One group, a high risk group, contained infants who suffered from RDS, birth asphyxia, hypercalcemia, and hyperglycemia while another group consisted of normal infants. The results of the language tests revealed that the high risk group showed poorer performance than the normal subjects. Other tests of perceptual-cognitive development revealed little difference between the groups. The data suggest that the assessment of early trauma needs to employ a variety of measures, especially those which are related to the unfolding skills appropriate for the particular age group studied. Pediatrics, 59:982-986, 1977, LANGUAGE DEVELOPMENT HIGH RISK, BIRTH ASPHYXIA, RESPIRATORY DISTRESS SYNDROME (RDS).

Child Development↗

Gestural communication in deaf children: noneffect of parental input on language development.

Young deaf children who were unable to acquire oral language naturally and who had not been exposed to a conventional manual language were found to use spontaneously a gesture system that has some of the structural characteristics of early child language. The structural aspects of this gesture system appeared to be neither modeled for the child by the gestures of an adult nor shaped by the responses of an adult. These findings suggest that the child may contribute to structural aspects of the system.

Child Language↗