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Comparing the Frequency Effect Between the Lexical Decision and Naming Tasks in Chinese
08:08

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Published on: April 1, 2016

Chinese characters elicit face-like N170 inversion effects.

Man-Ying Wang1, Bo-Cheng Kuo, Shih-Kuen Cheng

  • 1Department of Psychology, Soochow University, Taipei, Taiwan. mywang@scu.edu.tw

Brain and Cognition
|September 28, 2011
PubMed
Summary
This summary is machine-generated.

Chinese characters, like faces, show similar N170 inversion effects when upside down. This suggests configural processing is crucial for recognizing both faces and Chinese characters, impacting brain responses.

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Area of Science:

  • Cognitive Neuroscience
  • Visual Perception
  • Neuroscience

Background:

  • Face recognition is widely accepted to depend on configural information.
  • Previous research indicates faces exhibit unique N170 inversion effects compared to non-face stimuli.
  • The role of configural processing in Chinese character recognition remains less understood.

Purpose of the Study:

  • To investigate whether Chinese characters elicit similar configural processing-based inversion effects as faces.
  • To compare the N170 inversion effects between faces and Chinese characters (simple and compound).
  • To explore the neural mechanisms underlying Chinese character recognition and its relation to face processing.

Main Methods:

  • Two experiments were conducted involving an orientation judgment task and a one-back identity matching task.
  • Event-related potentials (ERPs), specifically the N170 component, were recorded.
  • Stimuli included upright and inverted faces, simple Chinese characters, and compound Chinese characters.

Main Results:

  • Both faces and compound Chinese characters showed delayed and enhanced N170 amplitudes when inverted, compared to upright stimuli.
  • Inversion effects for faces and compound characters were bilateral for latency and right-lateralized for amplitude.
  • Simple Chinese characters only exhibited significant latency inversion effects, and right-hemisphere inversion effects were larger for faces than for characters.

Conclusions:

  • The N170 inversion effects observed for non-face stimuli, like Chinese characters, closely parallel those seen with faces.
  • Face-like N170 inversion effects in compound Chinese characters are likely due to difficulties in part-whole integration and disrupted relational information.
  • The findings highlight shared configural processing mechanisms for faces and Chinese characters, with hemispheric differences noted in character processing.