Slow reacquisition of a conditioned taste aversion |
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| Authors: | Julie A Hart Mark J Bourne Todd R Schachtman |
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| Institution: | 1. Department of Psychology, University of Missouri, 210 McAlester Hall, 65211, Columbia, MO
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| Abstract: | Rats were used to examine the extent to which extinction of an acquired conditioned taste aversion retards subsequent reacquisition. A saccharin-flavored solution (sac) was paired with LiCl and then followed by CS-alone extinction trials with this flavor. A control group received a different flavor, decaffeinated-coffee (coff), during initial conditioning and extinction. Sac was then paired with LiCl for all rats during a second conditioning phase. Reacquisition of the aversion to sac was retarded relative to the acquisition of an aversion to sac by the control group. A similar experiment with fewer extinction trials, but still with complete loss of the initial aversion, did not obtain slow reacquisition. The results are discussed with respect to an interference view of extinction and the slow-reacquisition effect. |
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