Abstract
Monkey performance on object and pattern discriminations was compared under various stimulus rotational conditions: (1) positive and negative stimuli remain constant, (2) only positive stimulus rotates, (3) only negative stimulus rotates, (4) both stimuli rotate. Performance was best at the condition in which only the negative stimulus rotated.
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1. This investigation was supported by NIMH Grant M-1215.
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Hicks, L.H. Effects of stimulus rotation on discrimination learning by monkeys. Psychon Sci 9, 57–58 (1967). https://doi.org/10.3758/BF03330757
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DOI: https://doi.org/10.3758/BF03330757