No abstract available
Publication types
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Comment
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Research Support, Non-U.S. Gov't
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Research Support, U.S. Gov't, P.H.S.
MeSH terms
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Animals
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Appetitive Behavior*
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Food
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Macaca mulatta
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Macaca radiata
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Motivation*
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Psychomotor Performance*
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Reinforcement, Social
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Reward*
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Videotape Recording