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Hemispheric asymmetries in cognitive modelling : Connectionist modelling of unilateral visual neglect.

Monaghan, Padraic and Shillcock, Richard C. (2004) Hemispheric asymmetries in cognitive modelling : Connectionist modelling of unilateral visual neglect. Psychological Review, 111 (2). pp. 283-308.

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Abstract

Neglect is an acquired cognitive disorder characterized by a lack of processing of one side of a stimulus or representational space. There are hemispheric asymmetries in its cause and in its effects, but implemented computational models of neglect have tended not to incorporate this fact. The authors report a series of neural network simulations of the line-bisection task. They test the hypothesis that simple, neuroanatomically realistic principles of connectivity in the nervous system can produce emergent behaviors that capture a wide range of quantitative and qualitative data observed in neglect patients presenting with general visuospatial neglect. They demonstrate that exploring low-level architectural principles in implemented computational models is both a productive avenue of research and offers the most parsimonious explanations of behaviors observed in patients.

Item Type: Article
Journal or Publication Title: Psychological Review
Subjects: B Philosophy. Psychology. Religion > BF Psychology
Departments: Faculty of Science and Technology > Psychology
ID Code: 863
Deposited By: Prof Padraic Monaghan
Deposited On: 07 Feb 2008 10:24
Refereed?: Yes
Published?: Published
Last Modified: 26 Jul 2012 18:24
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/863

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