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SOCR MODEL SIMULATIONS: Stout, S.C. & Miller, R.R. (in press) Programs were written in Microsoft QuickBasic 7.1. Figure 2 Figure 4 Figure 5 Figure 6 Figure 7 Figure 8 Figure 9 Figure 10 Figure 11 Figure 12 Figure 13 Figure 14 |
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Jacksonville State University Department of Psychology |
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700 Pelham Road, Jacksonville, AL, 36265-1602. (256) 782-5402 |
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A classic finding in conditioning research is that, if two conditioned stimuli have been paired with an unconditioned stimulus, they will each elicit less conditioned responding than a single conditioned stimulus that has been paired with the unconditioned stimulus. This phenomenon, called overshadowing, is representative of a host of phenomena usually referred to as cue competition in which cues appear to compete for control over behavior. However, there are also many observations of nontarget cues simultaneously present during target cue training facilitating the response to the target cue, phenomena that are called cue facilitation. To make the world utterly confusing, cue competition and cue facilitation can be generated with experimental protocols that look virtually identical. Most theories that predict competitive effects have little to say about mirror facilitative effects. The SOCR model attempts to address this discrepancy in an explicit manner. |