Chinese characters elicit face-like N170 inversion effects

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Title:	Chinese characters elicit face-like N170 inversion effects
Authors:	Wang,MY;Kuo,BC;Cheng,SK
Contributors:	認知與神經科學研究所
Keywords:	EVENT-RELATED POTENTIALS;OPPOSITE APPARENT MOTIONS;UPSIDE-DOWN FACES;ELECTROPHYSIOLOGICAL RESPONSES;INVERTED FACES;NATURAL SCENES;HUMAN BRAIN;RECOGNITION;ERP;SCALP
Date:	2011
Issue Date:	2012-03-27 18:21:45 (UTC+8)
Publisher:	國立中央大學
Abstract:	Recognition of both faces and Chinese characters is commonly believed to rely on configural information. While faces typically exhibit behavioral and N170 inversion effects that differ from non-face stimuli (Rossion, Joyce, Cottrell, & Tarr, 2003), the current study examined whether a similar reliance on configural processing may result in similar inversion effects for faces and Chinese characters. Participants were engaged in an orientation judgment task (Experiment 1) and a one-back identity matching task (Experiment 2). Across two experiments, the N170 was delayed and enhanced in magnitude for upside-down faces and compound Chinese characters, compared to upright stimuli. The inversion effects for these two stimulus categories were bilateral for latency and right-lateralized for amplitudes. For simple Chinese characters, only the latency inversion effects were significant. Moreover, the size of the right-hemisphere inversion effects in N170 amplitude was larger for faces than Chinese characters. These findings show the N170 inversion effects from non-face stimuli closely parallel effects seen with faces. Face-like NI 70 inversion effects elicited by Chinese compound characters were attributed to the difficulty of part-whole integration as well as the disrupted regularity in relational information due to inversion. Hemispheric difference in Chinese character processing is also discussed. (C) 2011 Elsevier Inc. All rights reserved.
Relation:	BRAIN AND COGNITION
Appears in Collections:	[College of Science Institute of Cognitive Neuroscience] journal & Dissertation

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