Abstract：Using the composite-face illusion and the Navon patterns, it has been showed that the global/locallevel processing of the Navon patternsinfluenced the holistic processing of faces within a trial. The composite-face illusion reflects the difficulty to ignore one half (e.g., bottom) of a face when the two aligned halves are incongruent. However, the neural mechanism supporting this effect remains unknown. Since a functional hemisphere asymmetry exists for the global versus local processing,with the left hemisphere (LH) and right hemisphere (RH) tunes to the local and the global processing, respectively, we predicted that the priming effect might be related to the modulation of the relative involvement of the LH and the RH. The current study tested this hypothesis by comparing the alpha band (8-12 Hz) activity in the EEG recorded at posterior right and posterior left hemisphere sites while participants processed the global/local level of Navon patterns. Participants first made a same/different judgmentto the global or local level of two Navon stimuli and then matched the upper halves of two face-composites presented sequentially.We found that the global versus local processing modulated the composite-face illusion, however, the alpha band activity exhibited significantly strongeractivities in the RH than in the LHin both priming levels. These results imply that the priming effect is not due to the modulation of the relativeinvolvement of the LH and the RH.
王立良. 启动合成人脸的整体与局部加工：一项EEG研究[J]. 应用心理学, 2019, 25(1): 18-31.
WANG Li-liang . Priming global and local processing of composite faces: An EEG study. 应用心理学, 2019, 25(1): 18-31.
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