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  Early Stages (P100) of Face Perception in Humans as Measured with Event-Related Potentials (ERPs)

Herrmann, M., Ehlis, A.-C., Werner, S., Ellgring, H., & Fallgatter, A. (2004). Early Stages (P100) of Face Perception in Humans as Measured with Event-Related Potentials (ERPs). Poster presented at 7th Tübingen Perception Conference (TWK 2004), Tübingen, Germany.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-D9E3-B Version Permalink: http://hdl.handle.net/21.11116/0000-0005-661F-7
Genre: Poster

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 Creators:
Herrmann, MJ, Author
Ehlis, A-C, Author
Werner, S1, Author              
Ellgring, H, Author
Fallgatter, AJ, Author
Affiliations:
1External Organizations, ou_persistent22              

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 Abstract: According to current ERP literature, face specific activity is reflected by a negative component over the inferior occipito-temporal cortex between 140 and 180 ms after stimulus onset (N170). A recently published study [1] using magnetoencephalography (MEG) clearly indicated that a face-selective component can be observed at 100 ms (M100) which is about 70 ms earlier than reported in previous studies. Here we report these early differences at 107 ms between the ERPs of faces and buildings over the occipito-temporal cortex using electroencephalography. To exclude that these effects were caused by low-level features of the pictures, like contrast or luminance, we compared the P100 component for faces and totally scrambled faces in a second study. The result of higher P100 amplitudes for intact faces compared to the scramble faces confirm that face processing starts already at ~ 100 ms with an initial stage which can be measured not only with MEG but also with ERPs. [1] Liu, J. et al. (2002): Nat Neurosci. 5, 910-916.

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 Dates: 2004-02
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: BibTex Citekey: 4341
 Degree: -

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Title: 7th Tübingen Perception Conference (TWK 2004)
Place of Event: Tübingen, Germany
Start-/End Date: 2004-01-30 - 2004-02-01

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Title: 7th Tübingen Perception Conference: TWK 2004
Source Genre: Proceedings
 Creator(s):
Bülthoff, HH1, Editor            
Mallot, HA, Editor            
Ulrich, RD, Editor
Wichmann, FA1, Editor            
Affiliations:
1 Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497794            
Publ. Info: Kirchentellinsfurt, Germany : Knirsch
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: 135 Identifier: ISBN: 3-927091-68-5