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Peer reviewedVolkmar, Fred R. – Journal of Autism and Developmental Disorders, 1996
In a field trial addressing revisions to autism criteria in the fourth edition of the Diagnostic and Statistical Manual (DSM-IV), information on 977 cases (454 with autism, 240 with "autistic-like" conditions, and 283 with nonpervasive developmental disabilities disorders) was rated. DSM-IV criteria were compared with the International…
Descriptors: Autism, Clinical Diagnosis, Definitions, Developmental Disabilities
Peer reviewedKaplan, Bonnie J.; Dewey, Deborah M.; Crawford, Susan G.; Wilson, Brenda N. – Journal of Learning Disabilities, 2001
This article criticizes the term "comorbidity" used to describe the overlap of developmental syndromes or disorders. Data from 179 school-age children are evaluated for criteria of seven disorders. Since fully 50 percent of the sample met the criteria for at least two diagnoses, the premise that these disorders are discrete categories on…
Descriptors: Adults, Children, Clinical Diagnosis, Definitions
Peer reviewedVolkmar, Fred R.; Klin, Ami; Pauls, David – Journal of Autism and Developmental Disorders, 1998
This paper examines the validity of Asperger syndrome as a condition apart from high-functioning autism. Potential differences between Asperger syndrome and autism is possible if both are strictly defined. The importance of genetic factors in Asperger syndrome is stressed. Research on the nosological validity of this condition and its relationship…
Descriptors: Asperger Syndrome, Autism, Clinical Diagnosis, Definitions
Peer reviewedHandleman, Jan S. – Education and Treatment of Children, 1986
This paper proposes "severe developmental disabilities" (SDD) as a useful umbrella term for various severe handicapping conditions such as autism, severe mental retardation, and multiple handicaps. Diagnostic criteria for SDD include language deficiency, disturbed interpersonal relationships, inconsistent response to sensory stimulation,…
Descriptors: Autism, Clinical Diagnosis, Definitions, Developmental Disabilities
