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Word versus task representation in neural networks

Published online by Cambridge University Press:  01 April 1999

Thomas Elbert ,
Christian Dobell ,
Alessandro Angrilli ,
Luciano Stegagno  and
Brigitte Rockstroh
Thomas Elbert
Affiliation:
Department of Psychology, University of Konstanz, D-78457 Konstanz, Germany thomas.elbert@uni-konstanz.de
Christian Dobell
Affiliation:
Department of Psychology, University of Konstanz, D-78457 Konstanz, Germany thomas.elbert@uni-konstanz.de
Alessandro Angrilli
Affiliation:
Department of Psychology, University of Konstanz, D-78457 Konstanz, Germany thomas.elbert@uni-konstanz.de Department of General Psychology, University of Padua, 35100 Padua, Italy
Luciano Stegagno
Affiliation:
Department of General Psychology, University of Padua, 35100 Padua, Italy
Brigitte Rockstroh
Affiliation:
Department of Psychology, University of Konstanz, D-78457 Konstanz, Germany thomas.elbert@uni-konstanz.de
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Abstract

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The Hebbian view of word representation is challenged by findings of task (level of processing)-dependent, event-related potential patterns that do not support the notion of a fixed set of neurons representing a given word. With cross-language phonological reliability encoding more asymmetrical left hemisphere activity is evoked than with word comprehension. This suggests a dynamical view of the brain as a self-organizing, connectivity-adjusting system.

Information

Type
Open Peer Commentary
Information
Behavioral and Brain Sciences , Volume 22 , Issue 2 , April 1999 , pp. 286 - 287
Copyright
© 1999 Cambridge University Press