The role of within-compound associations in learning about absent cues |
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| Authors: | Witnauer James E Miller Ralph R |
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| Institution: | Department of Psychology, State University of New York, Binghamton, 13902-6000, USA. |
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| Abstract: | When two cues are reinforced together (in compound), most associative models assume that animals learn an associative network
that includes direct cue–outcome associations and a within-compound association. All models of associative learning subscribe
to the importance of cue–outcome associations, but most models assume that within-compound associations are irrelevant to
each cue’s subsequent behavioral control. In the present article, we present an extension of Van Hamme and Wasserman’s (Learning
and Motivation 25:127–151, 1994) model of retrospective revaluation based on learning about absent cues that are retrieved through within-compound associations.
The model was compared with a model lacking retrieval through within-compound associations. Simulations showed that within-compound
associations are necessary for the model to explain higher-order retrospective revaluation and the observed greater retrospective
revaluation after partial reinforcement than after continuous reinforcement alone. These simulations suggest that the associability
of an absent stimulus is determined by the extent to which the stimulus is activated through the within-compound association. |
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