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  Communicating hands: ERPs elicited by meaningful symbolic hand postures

Gunter, T. C., Nakamura, A., & Bach, P. (2003). Communicating hands: ERPs elicited by meaningful symbolic hand postures. Journal of Cognitive Neuroscience, 104, 52-56.

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Gunter_Communicating.pdf (Publisher version), 198KB
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 Creators:
Gunter, Thomas C.1, Author           
Nakamura, Akinori1, Author           
Bach, Patric2, Author           
Affiliations:
1MPI of Cognitive Neuroscience (Leipzig, -2003), The Prior Institutes, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634574              
2MPI for Psychological Research (Munich, -2003), The Prior Institutes, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634573              

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Free keywords: Hand postures; Gestures; Emblems; Nonverbal communication; N300; N400
 Abstract: Meaningful and meaningless hand postures were presented to subjects who had to carry out a semantic discrimination task while electrical brain responses were recorded. Both meaningful and control sets of hand postures were matched as closely as possible. The ERPs elicited by meaningless hand postures showed an anteriorly distributed N300 and a centro-posteriorly distributed N400 component. The N300 probably reflects picture-specific processes, whereas the N400-effect probably reflects processing in an amodal semantic network. The scalp-distribution of the N400-effect, which is more posterior than usually reported in picture processing, suggests that the semantic representations of the concepts expressed by meaningful hand postures have similar properties to those of abstract words.

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Language(s): eng - English
 Dates: 2003
 Publication Status: Issued
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 Rev. Type: -
 Identifiers: eDoc: 393101
DOI: 10.1016/j.neulet.2004.09.011
Other: P5273
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Title: Journal of Cognitive Neuroscience
Source Genre: Journal
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Pages: - Volume / Issue: 104 Sequence Number: - Start / End Page: 52 - 56 Identifier: -