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Merrill, Edward C.; McCown, Steven M.; Kelley, Shirley – American Journal on Mental Retardation, 2001
Sixteen adolescents with mental retardation and 16 typical adolescents participated in a negative priming procedure in two experiments. Unlike previous studies, this study found that subjects exhibited inhibition under instructions to respond on the basis of stimulus identity in a manner similar to that of individuals without mental retardation.…
Descriptors: Adolescents, Cognitive Processes, Discrimination Learning, Mental Retardation
Kroeger, Tracy L.; Rojahn, Johannes; Naglieri, Jack A. – American Journal on Mental Retardation, 2001
This study with 50 adults with mental retardation, found that performance on the Facial Discrimination Task (Emotional and Age Tasks) was significantly correlated to the Cognitive Assessment System total score. Hierarchical regression analyses produced results suggesting that cognitive processes are involved in processing facial stimuli in a…
Descriptors: Adults, Cognitive Processes, Discrimination Learning, Facial Expressions
Williams, Dean C.; Dube, William V.; Johnston, Mark D.; Saunders, Kathryn J. – American Journal on Mental Retardation, 1998
Two studies compared performance on conditional and trial-unique delayed identity matching-to-sample procedures with five subjects having moderate to severe mental retardation and four subjects with mild mental retardation. Across the studies, six of nine subjects showed lower delayed-matching accuracy when fewer rather than more stimuli were…
Descriptors: Cognitive Processes, Discrimination Learning, Mild Mental Retardation, Objective Tests
