论文信息 - Further evidence against the classical conditioning model of McCollough effects

Further evidence against the classical conditioning model of McCollough effects

McCollough effects (MEs) have been portrayed by Murch (1976) as classically conditioned responses which result from the pairing of color (unconditioned stimulus) with line orientation (conditioned stimulus). In the present experiment, we sought evidence that ME characteristics resembled those of undisputed conditioned responses. According to Rescorla (1968) and others, conditioned responses may not develop if the unconditioned stimulus is presented in the absence as well as in the presence of the conditioned stimulus. However, in our experiment, MEs induced by inspection sequences containing presentations of color alone in addition to color/ contour pairs were not weaker than controls. This discrepancy challenges the applicability of the conditioning model to MEs.

D. Skowbo | T. Forster

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