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Biomedical subjects

A Silbert

Publications and source records attributed to A Silbert.

5 recordsLinked to original sources
PubMed1988

Oral and written language abilities of XXY boys: implications for anticipatory guidance.

Previous studies of XXY boys suggest that they are at risk for certain communication disorders involving oral and written language. In this study, the language, reading, and spelling skills of a group of 14 XXY boys identified during neonatal cytogenetic screening were compared with those of a group of 15 control children. The two groups were matched for age, grade, race, parity, birth weight, parental age and education, and socioeconomic status. The mean age of the XXY group was 9 years 7 months and that of the control group was 9 years 3 months. The mean academic grade level for both groups was at the transition between third and fourth grade. There was selective reduction in verbal IQ scores for the XXY group and no significant differences apparent between groups for performance IQ scores. The decrease in verbal IQ was associated with a reduced full-scale IQ and also with significant problems in expressive language, auditory processing abilities, and auditory memory. Word-finding difficulties and problems in the production of syntax were major components of the specific expressive language deficit. Except for difficulties in the understanding of complex sentence structures, the receptive language skills of XXY boys did not differ significantly from those of the control group. These reductions in speech and language abilities correlated with decreased achievement by the XXY group on a variety of reading and spelling tasks. These results suggest that difficulty learning how to read and spell may be due to a preexistent language disability. Early attention to such expressive language problems may be essential to ameliorate secondary maladaptive behaviors due to chronic language-related learning disabilities.

Auditory Perceptual Disorders↗
PubMed1977

Spatial and temporal processing in patients with Turner's syndrome.

Thirteen females with Turner's syndrome were examined for spatial abilitles and serial processing, and their performance was compared with that of normal females matched by age, intellignece, and socioeconomic class. Patients with Turners's syndrome performed significantly poorer on tests of spatial ability than controls, but only on spatial tests requiring the integration of isolated elements as synthetic wholes or the remembering of spatial configurations which could not be verbally mediated. Patients also performed less well than controls on tasks of serial processing when the tasks could not be mediated verbally. 2t was concluded that patients with Turner's syndrome may have a selective deficit in cortical functions that are lateralized to the right cerebral hemisphere.

Adolescent↗