| Summary: | 碩士 === 中原大學 === 心理學研究所 === 98 === Positive and negative compatibility effect, in the masked priming paradigm, had been discovered over ten years, but the locus of them still remaining debated. Self-inhibition and mask-triggered inhibition hypothesis assume that compatibility effects reflect activation and inhibition from our motor system. Object-updating hypothesis propose that compatibility effects come from perceptual level, which is the perception interaction of prime and mask. But, all of these hypotheses cannot provide fully explanation and they have never taken the similarity between prime and target into account. Perhaps, the compatibility effects located at the perceptual level, and the motor level as well. The main goal of the present study was to investigate the loci of the positve and negative compatibility effect. The results of experiment 1 and 2 showed the possibility of that compatibility effects may arise from perceptual and motor level. Besides, the perceptual influence was the result of perceptual similarity between prime and target. In the experiment 3 and 4, as disrupted the similarity between prime and target, the positive compatibility effect became smaller but it had no impact on negative compatibility effect. These findings suggest that compatibility effects are the phenomenon, which reflect not only motor activation and inhibition, but also facilitation from perceptual processing.
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