Turner Syndrome (TS) is a genetic disorder affecting primarily females. It arises from a loss of X-chromosome material, most usually one of the two X chromosomes. Affected individuals have a number of distinguishing somatic features, including short stature and ovarian dysgenesis. Individuals with TS show a distinct neurocognitive profile…

Klinefelter Syndrome (KS) is a relatively common (1/500 to 1/1,000) genetic syndrome caused by an extra X chromosome in males, leading to an XXY karyotype. In most cases, the physical and neurobehavioral characteristics of KS are relatively mild, and KS is not usually associated with moderate or severe mental retardation. However, KS is often…

An individualized, classroom-based social skills training program was evaluated using 45 children (ages 9-12) with learning disabilities in special education classes. Thirteen children received a 6-week intervention, 7 received a 12-week intervention, and 25 received no training. Children in the six-week program showed gains in social skills and…