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Jordan, Kerry E.; MacLean, Evan L.; Brannon, Elizabeth M. – Cognition, 2008
We report here that monkeys can actively match the number of sounds they hear to the number of shapes they see and present the first evidence that monkeys sum over sounds and sights. In Experiment 1, two monkeys were trained to choose a simultaneous array of 1-9 squares that numerically matched a sample sequence of shapes or sounds. Monkeys…
Descriptors: Reaction Time, Critical Thinking, Animals, Animal Behavior
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Wasserman, Gerald S. – Journal of Experimental Psychology: General, 1976
The ventral eye of "Limulus" (horseshoe crab) contains only one type of photoreceptor. Behaviors mediated by the ventral eye provide an unambiguous representation of the function of that single-receptor type. Compares such behaviors with results of acute, single-cell investigations to assay for the contributions of candidate neural codes in the…
Descriptors: Animal Behavior, Charts, Data Analysis, Experimental Psychology