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Title: Effects of Conceptual Categorization on Early Visual Processing
Authors: LIU SIWEI
Keywords: categorization levels, visual perception, audiovisual interaction, P1, N170, faces
Issue Date: 29-May-2013
Citation: LIU SIWEI (2013-05-29). Effects of Conceptual Categorization on Early Visual Processing. ScholarBank@NUS Repository.
Abstract: The effects of conceptual categorization on early visual processing were examined in six experiments by measuring how familiar and individually-identifiable auditory stimuli influenced event-related potential (ERP) responses to subsequently presented visual stimuli. Early responses to the visual stimuli, as indicated by the P1 component, were modulated by whether the auditory and the visual stimuli belonged to the same basic-level category (e.g., dogs) and whether, in cases where they were not from the same basic-level category, the categorization levels were congruent (i.e., both stimuli from basic level categories versus one from the basic level and the other from the subordinate level). The current study points to the importance of the interplay between categorization level and basic-level category congruency in cross-modal object processing.
Appears in Collections:Ph.D Theses (Open)

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