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Adaptive Behavior is a construct originally invented as a prong for diagnosing Mental Retardation, but it has come to also play a role in diagnosing Fetal Alcohol Spectrum Disorders (FASD). In this paper, we: (a) describe the meaning and measurement of adaptive behavior, including the need for improved measures (b) illustrate clinical and research uses of(More)
Traditional classification of psychopathology is based on either symptom clusters or etiology. The authors suggest the use of a developmental structuralist approach, which focuses on an organism's manner of organizing and differentiating its experience of the world (structures) at each developmental level. The authors describe their postulated development(More)
PURPOSE OF REVIEW Adoption of the term intellectual disability (intellectual developmental disorder, IDD) in DSM-5 represents a shift from a disability (test score) emphasis to a disorder (medical/neurobiological) emphasis. Several implications of this shift for definition and diagnosis of intellectual disability (ID) are discussed. RECENT FINDINGS The(More)
There is a growing awareness among mental health practitioners that many mental disorders previously believed to be primarily behavioral in nature, reflecting character and environment, are actually grounded in brain mal-development or brain disorder. This growing awareness, influenced by the advent of new diagnostic procedures and measures, is also found(More)
PURPOSE OF REVIEW Borderline intellectual functioning (BIF) is a descriptive v-code that is often used, especially in forensic settings, as if it were a full-fledged disorder. Various historical and other aspects of this classification are reviewed, and commentary is made on the question of whether to upgrade BIF to a regular psychiatric category, or to(More)
Recent developments in the definitional literature on mental retardation emphasize the need to ground the concept of adaptive behavior in an expanded model of intelligence, which includes practical and social intelligence. Development of a direct measure of practical intelligence might increase the likelihood that an assessment of this domain would be(More)
In this paper, we respond to a 1992 study by Mathias and Nettelbeck in which, using exploratory factor analysis, they argued that the structure of intelligence in persons with mental retardation deviates from the model previously proposed by Greenspan. Applying the LISREL method of confirmatory factor analysis to Mathias and Nettelbeck's original(More)
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