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Title: Salience modulation and associative inhibition interaction: short but not long exposure to similar stimuli protects the salience of the unique elements.
Authors: Contel, DM
Sansa, J
Artigas, AA
Prados, J
First Published: Jan-2011
Citation: BEHAV PROCESSES, 2011, 86 (1), pp. 21-29
Abstract: In three experiments, rats were given preexposure to two similar flavour compounds, AX and BX. Following preexposure, conditioning trials took place in which AX was paired with an illness-induced unconditioned stimulus. Animals that were given short alternated preexposure to AX and BX, showed higher generalization of conditioned aversion to AX to a new compound, AN, than animals that were given blocked preexposure (short and long) and long alternated preexposure (Experiments 1 and 2); and showed less preference for A when they were given a choice between A and X (Experiment 3). These results have been taken to indicate that the salience of the A element is well preserved after short alternated preexposure, but declines when preexposure goes on for some more trials. The results reported support the notion that perceptual learning is a multi-determined phenomenon that depends on salience modulation processes after relatively short preexposure, and on an associative inhibition mechanism after prolonged preexposure.
DOI Link: 10.1016/j.beproc.2010.08.001
eISSN: 1872-8308
Type: Journal Article
Appears in Collections:Published Articles, School of Psychology

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