Acquisition of representation-mediated conditioned food aversions

Peter C. Holland

doi:10.1016/0023-9690(81)90022-9

Acquisition of representation-mediated conditioned food aversions

Peter C. Holland

School of Arts and Sciences

Research output: Contribution to journal › Article › peer-review

139 Scopus citations

Abstract

Food aversions were established in rats by administering lithium chloride (LiCl) immediately after the presentation of an exteroceptive conditioned stimulus (CS) which previously had been paired with a food substance. In Experiment 1, rats which received first tone-food and then tone-LiCl pairings showed less food consumption in subsequent testing than rats which received only tone-food or tone-LiCl pairings. Experiments 2 and 3 demonstrated the stimulus specificity of aversions established in this manner. Rats which first received pairings of light and tone CSs with two different food substances and then received pairings of one of those CSs with LiCl showed greater aversion to the food previously associated with the LiCl-paired CS than to the other food substance. Experiment 3 also showed that specific aversions were not acquired if rats received CS-shock rather than CS-LiCl pairings. These results suggest that CS-evoked representations of events can substitute for those events themselves in the formation of new associations.

Original language	English (US)
Pages (from-to)	1-18
Number of pages	18
Journal	Learning and Motivation
Volume	12
Issue number	1
DOIs	https://doi.org/10.1016/0023-9690(81)90022-9
State	Published - Feb 1981

ASJC Scopus subject areas

Health(social science)
Neuropsychology and Physiological Psychology
Experimental and Cognitive Psychology
Education
Developmental and Educational Psychology

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10.1016/0023-9690(81)90022-9

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title = "Acquisition of representation-mediated conditioned food aversions",

abstract = "Food aversions were established in rats by administering lithium chloride (LiCl) immediately after the presentation of an exteroceptive conditioned stimulus (CS) which previously had been paired with a food substance. In Experiment 1, rats which received first tone-food and then tone-LiCl pairings showed less food consumption in subsequent testing than rats which received only tone-food or tone-LiCl pairings. Experiments 2 and 3 demonstrated the stimulus specificity of aversions established in this manner. Rats which first received pairings of light and tone CSs with two different food substances and then received pairings of one of those CSs with LiCl showed greater aversion to the food previously associated with the LiCl-paired CS than to the other food substance. Experiment 3 also showed that specific aversions were not acquired if rats received CS-shock rather than CS-LiCl pairings. These results suggest that CS-evoked representations of events can substitute for those events themselves in the formation of new associations.",

author = "Holland, {Peter C.}",

note = "Funding Information: This research was supported in part by Grant BNS 7903853 from the National Science Foundation. Thanks are due to Kathy Allen, who assisted in data collection in Experiment 3. Requests for reprints should be sent to Peter Holland, Department of Psychology, University of Pittsburgh, Pittsburgh. Pa. 15260. Copyright: Copyright 2014 Elsevier B.V., All rights reserved.",

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PY - 1981/2

Y1 - 1981/2

N2 - Food aversions were established in rats by administering lithium chloride (LiCl) immediately after the presentation of an exteroceptive conditioned stimulus (CS) which previously had been paired with a food substance. In Experiment 1, rats which received first tone-food and then tone-LiCl pairings showed less food consumption in subsequent testing than rats which received only tone-food or tone-LiCl pairings. Experiments 2 and 3 demonstrated the stimulus specificity of aversions established in this manner. Rats which first received pairings of light and tone CSs with two different food substances and then received pairings of one of those CSs with LiCl showed greater aversion to the food previously associated with the LiCl-paired CS than to the other food substance. Experiment 3 also showed that specific aversions were not acquired if rats received CS-shock rather than CS-LiCl pairings. These results suggest that CS-evoked representations of events can substitute for those events themselves in the formation of new associations.

AB - Food aversions were established in rats by administering lithium chloride (LiCl) immediately after the presentation of an exteroceptive conditioned stimulus (CS) which previously had been paired with a food substance. In Experiment 1, rats which received first tone-food and then tone-LiCl pairings showed less food consumption in subsequent testing than rats which received only tone-food or tone-LiCl pairings. Experiments 2 and 3 demonstrated the stimulus specificity of aversions established in this manner. Rats which first received pairings of light and tone CSs with two different food substances and then received pairings of one of those CSs with LiCl showed greater aversion to the food previously associated with the LiCl-paired CS than to the other food substance. Experiment 3 also showed that specific aversions were not acquired if rats received CS-shock rather than CS-LiCl pairings. These results suggest that CS-evoked representations of events can substitute for those events themselves in the formation of new associations.

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Acquisition of representation-mediated conditioned food aversions

Abstract

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