Preference suppression caused by misattribution of task-irrelevant subliminal motion |
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Authors: | Shibata Kazuhisa Watanabe Takeo |
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Institution: | Department of Psychology, Boston University, 64 Cummington Street, Boston, MA 02215, USA. |
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Abstract: | It is well known that subjects tend to misattribute task-irrelevant signals, incorporating them into the information on which a decision is made. Such misattribution has been reported to originate only from a social or a cognitive stage of information processing. However, we provide the initial evidence that misattribution also originates at a lower, visuomotor stage. This type of misattribution occurs only when subjects do not notice a visuomotor conflict. Misattribution at a social or a cognitive stage facilitates decision-making if the misattributed information is consistent with the decision and impedes decision-making if the information is in conflict with the decision. However, misattribution originating at a visuomotor stage only impedes decision-making, suggesting a fundamental difference between the mechanisms for the two types of misattribution. Furthermore, misattribution effects that originate in a visuomotor interaction stage also affect subjective preference ratings, suggesting that the misattribution exerts an influence on global brain processing. |
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Keywords: | decision-making preference misattribution visuomotor conflict consciousness |
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