To examine the relationship between superior intellectual functioning and physiological patterns and events during sleep, sleep records made on five consecutive nights and based on standard electrographic measures were made for 11 male children between 8 and 12 years of age. (RH)

Assessed was the degree to which classification of mental retardation levels based upon a measure of adaptive behavior (the Vineland Social Maturity Scale) differed from the classification based upon IQ for Negro and Caucasian children, 4 to 17 years of age. (Author)

Evaluated was the effectiveness of the Columbus, Ohio, tutoring program for neurologically handicapped children by investigating the relationship between tutored (129 children) and non-tutored (117 children), two instructional approaches, IQ level and academic success, disability patterns and success probabilities, and parent awareness and student…

This final report reviews the second phase of a life-span study of boys with fragile X syndrome (FSX), the most common known inherited cause of mental retardation. Males with the syndrome are more severely affected than females and in males, delays are usually evident in all the developmental domains, although cognitive and communication skills…