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Roebel, Amanda M.; MacLean, William E., Jr. – Research in Developmental Disabilities: A Multidisciplinary Journal, 2007
Previous research indicates that abnormal stereotyped movements are associated with central dopamine dysfunction and that eye-blink rate is a noninvasive, in vivo measure of dopamine function. We measured the spontaneous eye-blinking and stereotyped behavior of older adults with severe/profound mental retardation living in a state mental…
Descriptors: Intervals, Severe Mental Retardation, Neuropsychology, Brain