Role of exteroceptive background context in taste-aversion conditioning and extinction |
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| Authors: | Trevor Archer Per-Olow Sjödén Lars-Göran Nilsson Ned Carter |
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| Institution: | 1. Department of Psychology, Uppsala University, P. O. Box 227, S-751 04, Uppsala, Sweden
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| Abstract: | In two experiments, saccharin (CS) and lithium chloride (US) were paired in a context consisting of specific visual, auditory, tactual, and olfactory cues. The saccharin aversion was then extinguished in a context free from conditioning-context cues. Later, saccharin preference tests were given in the presence and absence of these cues. The results indicated that the background cues of the conditioning trial controlled the amount of saccharin drunk on extinction trials, and, furthermore, that extinction of the taste aversion was context specific; i.e., groups given extinction trials in a different (from conditioning) context retained their saccharin aversion in the conditioning context only. The results indicate an important role played by the exteroceptive context in taste-aversion conditioning. |
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