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Myers, Beverly; Pueschel, Siegfried M. – Research in Developmental Disabilities, 1995
In a population of 425 individuals with Down's syndrome, 5 persons (1.2%) were identified as having Tourette's disorder. The lack of interrelationship between Down's syndrome and Tourette's disorder argues against an atypical Tourette's disorder. Diagnoses of tardive Tourette's disorder were based on absence of family history of Tourette's, late…
Descriptors: Clinical Diagnosis, Downs Syndrome, Drug Therapy, Incidence

Jacobson, John W. – Research in Developmental Disabilities, 1988
Among developmentally disabled persons (N=35,000) young and middle aged adults were found to receive psychotropic medication at higher rates than children, adolescents, or elderly persons. Medication increased with severity of retardation, restrictiveness of residential setting, severity of problem behaviors, and presence of a psychiatric…
Descriptors: Adults, Age Differences, Developmental Disabilities, Drug Therapy

Fox, Robert A.; Wade, Erin J. – Research in Developmental Disabilities, 1998
A study investigated the incidence of attention deficit hyperactivity disorder in 86 adults with severe mental retardation. Using the Diagnostic and Statistical Manual of Mental Disorders, 15% of the sample met the diagnostic criteria. This measure was not influenced by chronological age, adaptive age, IQ, or gender. (Author/CR)
Descriptors: Adults, Attention Deficit Disorders, Clinical Diagnosis, Disability Identification

Hardan, Antonio; Sahl, Robert – Research in Developmental Disabilities, 1999
A study examined suicidality in 223 children with developmental disorders (ages 4 to 18) and comorbid psychiatric disorders. Twenty percent experienced either suicidal ideation, threats of, or attempts at suicide, with hanging being most frequently considered. Suicidality was most often encountered in individuals with oppositional defiant…
Descriptors: Adolescents, Behavior Disorders, Children, Depression (Psychology)

Kobe, Frank H.; And Others – Research in Developmental Disabilities, 1994
This study presents data on the physical, developmental, and behavioral characteristics of a group of 203 nonambulatory persons with profound mental retardation. It found a high prevalence of physical and medical problems, as well as high rates of self-injurious, stereotypic, and aggressive behavior and high variability in cognitive and adaptive…
Descriptors: Adaptive Behavior (of Disabled), Adults, Aggression, Behavior Patterns

Marcell, Michael M.; Cohen, Stuart – Research in Developmental Disabilities, 1992
The hearing ability and related cognitive ability of 26 adolescents and young adults with Down's Syndrome (DS) and 26 matched subjects with trainable mental retardation (MR) were compared. Results revealed greater hearing losses in DS than in other MR individuals, especially in the high-frequency range. DS subjects with poorer hearing needed more…
Descriptors: Adolescents, Auditory Evaluation, Cognitive Ability, Cognitive Processes