ISSN : 1226-9654
It was investigated whether the effects due to facing types were related to the automatic perceptual process and whether emotion could be involved in it. We looked into what the kind of relationship was between facial emotion and types of facing in the object-feature comparison task performance. In experiment 1, the gender identification task, and in experiments 2 and 3, the emotion identification tasks were used for object-feature comparison. In experiments 1 and 2, responses were the fastest under the facing each other condition, and the slowest under the facing away condition, opposite to the hypothesis that the automatic grouping process slows down identifying the individual features. We conjectured that the distance difference created by two facing conditions, facing each other vs. facing away, might cause the performance difference. In experiment 3, the distance between the two faces was controlled, so that the analysis was made on the trial conditions with the same facial distance. It was obtained that the response time under the facing each other condition was slower than facing away condition. And there was no interaction significantly between emotion and facing types, but only the main effects of facing types and emotions were significant, separately. It is suggested that the explanation that the automatic grouping process due to confronted faces bind individuals into groups results in slowing down the identifying features process, and is independent of facial emotion.
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