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ERIC Number: EJ876617
Record Type: Journal
Publication Date: 2010-May
Pages: 9
Abstractor: As Provided
ISSN: ISSN-0023-9690
Learned Preference for a Hedonically Negative Flavor Is Observed after Pairings with Positive Post-Ingestion Consequences Rather than with a Palatable Flavor
Gonzalez, Felisa; Garcia-Burgos, David; de Brugada, Isabel; Gil, Marta
Learning and Motivation, v41 n2 p141-149 May 2010
In two experiments, thirsty rats consumed a compound of sucrose and a non-preferred flavor. In Experiment 1, a conditioned preference was observed in the experimental group when animals were tested both thirsty and hungry, but not when they were tested just thirsty. Animals in the control group, which experienced the flavor and the sucrose unpaired, never showed a preference. Experiment 2 replicated the absence of a preference in the experimental group when rats were tested thirsty, but provided evidence that a flavor-taste association had been formed during training. After conditioning, sucrose was paired with LiCl in group Dev whereas it was unpaired in group NonDev. The sucrose devaluation produced a decrease in CS preference in group Dev, and an increment in group NonDev. Taken together, these results show that preference for a non-preferred flavor can be readily observed after pairings with the positive consequences of the US (calories or absence of an expected illness) rather than with a palatable flavor. (Contains 2 figures.)
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Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A