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Roitman, Mitchell F.; Wheeler, Robert A.; Tiesinga, Paul H. E.; Roitman, Jamie D.; Carelli, Regina M. – Learning & Memory, 2010
The nucleus accumbens (NAc) plays a role in hedonic reactivity to taste stimuli. Learning can alter the hedonic valence of a given stimulus, and it remains unclear how the NAc encodes this shift. The present study examined whether the population response of NAc neurons to a taste stimulus is plastic using a conditioned taste aversion (CTA)…
Descriptors: Conditioning, Rewards, Brain Hemisphere Functions, Role
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Zucco, Gesualdo M.; Paolini, Michela; Schaal, Benoist – Learning and Motivation, 2009
The pioneering work by Kirk-Smith, Van Toller, and Dodd [Kirk-Smith, M. D., Van Toller, C., & Dodd, G. H. (1983). "Unconscious odour conditioning in human subjects." "Biological Psychology," 17, 221-231], established that an unnoticed odorant paired with an emotionally meaningful task can influence mood and attitudes when the odorant alone is…
Descriptors: Conditioning, Learning Processes, Research Methodology, Experiments