A modular attractor model of semantic access

W. Power; R. Frank; D.J. Done; N. Davey

doi:10.1007/BFb0098154

A modular attractor model of semantic access

W. Power, R. Frank, D.J. Done, N. Davey

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Abstract

This paper presents results from lesion experiments on a modular attractor neural network model of semantic access. Real picture data forms the basis of perceptual input to the model. An ultrametric attractor space is used to represent semantic memory and is implemented using a biologically plausible variant of the Hopfield model. Lesioned performance is observed to be in agreement with neuropsychological data. A local field analysis of the attractor states of semantic space forms a basis for interpreting these results.

Original language	English
Pages (from-to)	340-347
Journal	Lecture Notes in Computer Science (LNCS)
Volume	1606
DOIs	https://doi.org/10.1007/BFb0098154
Publication status	Published - 1999

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title = "A modular attractor model of semantic access",

abstract = "This paper presents results from lesion experiments on a modular attractor neural network model of semantic access. Real picture data forms the basis of perceptual input to the model. An ultrametric attractor space is used to represent semantic memory and is implemented using a biologically plausible variant of the Hopfield model. Lesioned performance is observed to be in agreement with neuropsychological data. A local field analysis of the attractor states of semantic space forms a basis for interpreting these results.",

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AU - Done, D.J.

AU - Davey, N.

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PY - 1999

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AB - This paper presents results from lesion experiments on a modular attractor neural network model of semantic access. Real picture data forms the basis of perceptual input to the model. An ultrametric attractor space is used to represent semantic memory and is implemented using a biologically plausible variant of the Hopfield model. Lesioned performance is observed to be in agreement with neuropsychological data. A local field analysis of the attractor states of semantic space forms a basis for interpreting these results.

U2 - 10.1007/BFb0098154

DO - 10.1007/BFb0098154

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VL - 1606

SP - 340

EP - 347

JO - Lecture Notes in Computer Science (LNCS)

JF - Lecture Notes in Computer Science (LNCS)

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A modular attractor model of semantic access

Abstract

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