25.2578, Diss: Cognitive Science, Neuroling, Psycholing: Brouwer: 'The Electrophysiology of Language Comprehension...'

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LINGUIST List: Vol-25-2578. Mon Jun 16 2014. ISSN: 1069 - 4875.

Subject: 25.2578, Diss: Cognitive Science, Neuroling, Psycholing: Brouwer: 'The Electrophysiology of Language Comprehension...'

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Date: Mon, 16 Jun 2014 12:10:10
From: Harm Brouwer [me at hbrouwer.eu]
Subject: The Electrophysiology of Language Comprehension: A Neurocomputational Model

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Institution: University of Groningen 
Program: Alpha-Informatica 
Dissertation Status: Completed 
Degree Date: 2014 

Author: Harm Brouwer

Dissertation Title: The Electrophysiology of Language Comprehension: A
Neurocomputational Model 

Dissertation URL:  http://dissertations.ub.rug.nl/faculties/arts/2014/h.brouwer/?pLanguage=en

Linguistic Field(s): Cognitive Science
                     Neurolinguistics
                     Psycholinguistics


Dissertation Director(s):
John Nerbonne
John C.J. Hoeks

Dissertation Abstract:

One decade ago, researchers using event-related brain potential (ERP)
measurements stumbled upon what looked like a 'Semantic Illusion' in language
comprehension: Semantically anomalous, but otherwise well- formed sentences
did not affect the 'meaning-related' N400 component, but instead increased the
amplitude of the 'structure-related' P600 component. This finding spawned five
new models of language comprehension, which claim that language is processed
in two or even more separate processing streams, at least one of which is not
driven by structure, but by word meaning alone. In this thesis, I argue
instead that language is processed in a single stream, where N400 amplitude
reflects lexical retrieval, and P600 amplitude reflects semantic integration.
I present evidence from neurocomputational simulations showing that this
alternative, and most parsimonious explanation is able to predict the relevant
ERP patterns found in the literature.







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