The ability of 10 9-month-old infants with Down's syndrome to acquire a simple contingency was assessed. Unlike a group of nondisabled infants, the Down's syndrome infants did not, in general, learn the contingency. Results are related to the possibility of a decline in conditionability with age and a relationship between conditionability and…

Describes two experiments that examined whether the amplitude of the human eyeblink by a mild tap between the eyebrows can be increased if a brief tone is presented simultaneously with the tap and how these effects change from newborn infants to adults. (HOD)

This study reports on the extent to which pharmacological and behavioral consequences were applied to behavior problems within a population of 31,000 adults in New York's developmental services system. Findings indicated that these consequences were significantly related to variables of intellectual level, residential setting type, type and extent…