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Discrimination, Translation, or Response Organization: A Clarification of Factors Underlying Slower Responding among Mentally Retarded Persons.
Peer reviewed Peer reviewed
Brewer, N.; Nettelbeck, T. – American Journal of Mental Deficiency, 1979
Apparently contradictory findings regarding the locus of information processing differences between retarded and nonretarded persons were discussed. (Author)
Descriptors: Cognitive Processes, Discrimination Learning, Learning Processes, Mental Retardation
Mental Retardation and Inspection Time: A Two-Stage Model for Sensory Registration and Central Processing.
Peer reviewed Peer reviewed
Nettelbeck, T.; McLean, J. – American Journal of Mental Deficiency, 1984
Two studies involving 16 and 20 mildly mentally retarded young adults supported a two-stage model for the relatively simple discrimination tasks employed, with initial sensory registration preceding and independent from subsequent central processing. (CL)
Descriptors: Cognitive Processes, Discrimination Learning, Mild Mental Retardation, Models
Stimulus Overselectivity: A Common Feature in Autism and Mental Retardation
Peer reviewed Peer reviewed
Lovaas, O. Ivar; Wilhelm, Hannelore – American Journal of Mental Deficiency, 1976
Overselective attention in discrimination between picture cards was investigated with three groups of children with different IQ levels: 10 severely retarded (IQ = 29 - 51, CA = 9.6 - 18 years), 10 moderately retarded (IQ = 56 - 85, CA = 12.8 - 16.3 years), and 10 non-retarded (CA = 10 - 12 years). (Author/IM)
Descriptors: Attention, Cognitive Processes, Discrimination Learning, Elementary Secondary Education