Descriptor
| Visual Discrimination | 4 |
| Infants | 3 |
| Eye Fixations | 2 |
| Operant Conditioning | 2 |
| Social Reinforcement | 2 |
| Visual Perception | 2 |
| Adults | 1 |
| Cognitive Processes | 1 |
| Mental Retardation | 1 |
| Motor Development | 1 |
| Orientation | 1 |
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| Day, R. H. | 4 |
| McKenzie, Beryl | 1 |
| Mckenzie, Beryl | 1 |
| Schwartz, Marcelle | 1 |
| Shinkfield, Alison J. | 1 |
| Sparrow, W. A. | 1 |
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| Journal Articles | 2 |
| Reports - Research | 2 |
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Peer reviewedMcKenzie, Beryl; Day, R. H. – Journal of Experimental Child Psychology, 1971
An operant conditioning technique was used to study visual discrimination of simple patterns by infants aged 6-12 weeks. The appropriate direction of head turning to the patterns was developed and maintained by social reinforcement. Results showed that visual discriminative control of the direction of head turning can be achieved. (WY)
Descriptors: Infants, Operant Conditioning, Pattern Recognition, Social Reinforcement
Peer reviewedMckenzie, Beryl; Day, R. H. – Journal of Experimental Child Psychology, 1971
Descriptors: Eye Fixations, Infants, Operant Conditioning, Orientation
Peer reviewedSchwartz, Marcelle; Day, R. H. – Monographs of the Society for Research in Child Development, 1979
The ability of young infants between the ages of 8 and 17 weeks to perceive outline shapes was investigated in nine experiments using an habituation paradigm. (JMB)
Descriptors: Cognitive Processes, Eye Fixations, Infants, Perceptual Development
Shinkfield, Alison J.; Sparrow, W. A.; Day, R. H. – American Journal on Mental Retardation, 1997
Visual discrimination and motor reproduction tasks involving computer-simulated arm movements were administered to 12 adults with mental retardation and a gender-matched control group. The purpose was to examine whether inadequacies in visual perception account for the poorer motor performance of this population. Results indicate both perceptual…
Descriptors: Adults, Mental Retardation, Motor Development, Perceptual Motor Coordination
