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The development of a scale to assess drug and other treatment effects on severely mentally retarded individuals was described. In the first stage of the project, an initial scale encompassing a large number of behavior problems was used to rate 418 residents. The scale was then reduced to an intermediate version, and in the second stage, 509 moderately to(More)
OBJECTIVE To determine whether brain volume, as assessed on MRI scans, differs between individuals with autism and control subjects, and whether such differences are affected by age. BACKGROUND Previous studies have found increased brain weight, head circumference, and MRI brain volume in children with autism. However, studies of brain size in adults with(More)
Information was presented on the psychometric characteristics of the Aberrant Behavior Checklist. The internal consistency and test-retest reliability of the Checklist appeared to be very good. Interrater reliability tended to vary across raters and subscales and ranged from mediocre to good but was generally in the moderate range and acceptable for(More)
OBJECTIVE To evaluate the viability of technology-assisted learning setups for undertaking assessment and providing intervention to persons in vegetative state. METHOD Study I investigated whether three persons with a diagnosis of vegetative state could associate eye blinking or hand closure responses with contingent, positive stimulation, thus increasing(More)
Post-coma persons in an apparent condition of vegetative state and pervasive motor impairment pose serious problems in terms of assessment and intervention options. A technology-based learning assessment procedure might serve for them as a diagnostic supplement with possible implications for rehabilitation intervention. The learning assessment procedure(More)
Multi-sensory stimulation provided in a Snoezelen room is being used increasingly for individuals with mental retardation and mental illness to facilitate relaxation, provide enjoyment, and inhibit behavioral challenges. We observed aggressive and self-injurious behavior in three groups of 15 individuals with severe or profound mental retardation and mental(More)
We compared the ability of Chinese adults with mental retardation and nonhandicapped Chinese children to recognize the six basic facial expressions of emotion. Each subject was told a story identifying an emotion, presented with an array of six photographs of basic facial expressions of emotion, and asked to point to the photograph that depicted the story's(More)
OBJECTIVE Evaluating a learning assessment procedure for monitoring progress with two post-coma adults with a diagnosis of vegetative state. METHOD ABABCBCB and ABABCB designs were used for the two participants, with A representing baseline, B intervention and C control conditions. Participants' activation of an optic microswitch by eyelid closure(More)
This study assessed a new type of microswitch designed to enable a woman with acquired brain injury and profound multiple disabilities to access environmental stimulation through lip movements. The microswitch involved two optic sensors aimed at detecting changes in lip positions. Data showed that the microswitch was suitable and functional for the(More)
Stereotypic responding and social behaviors of three profoundly retarded children were measured before and during application of a DRL contingency for stereotypic responding. A variant of the standard DRL procedure, spaced responding DRL, was used, in which reinforcement is delivered following a response if that response has been separated from the previous(More)