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    Neuromodulation of decision and response selection

    Usher, Marius and Davelaar, Eddy J. (2002) Neuromodulation of decision and response selection. Neural Networks 15 (4-6), pp. 635-645. ISSN 0893-6080.

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    We present a model for the attentional neuromodulation of decision and selection processes. The model assumes that phasic responses in the brain nucleus Locus Coeruleus modulate, via the transmission of norepinephrine, the synaptic efficiency of neural circuits, at specific (stimulus and task dependent) time intervals. The model is applied first, to a task of perceptual choice, simulating attentional fluctuations and accounting for a series of behavioral and neurophysiological data. Second, the flexibility of information processing, whereby the parameters of the local circuits are modified online, is illustrated in the application of the model to a task of selection from short-term memory.


    Item Type: Article
    Keyword(s) / Subject(s): Attention, Neuromodulation, Locus Coeruleus, Norepinephrine, Selection, Response-time
    School: Birkbeck Faculties and Schools > Faculty of Science > School of Psychological Sciences
    Depositing User: Administrator
    Date Deposited: 02 Dec 2011 10:10
    Last Modified: 02 Aug 2023 16:56


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