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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-47187

Wang, Y; Liu, S C (2010). Multilayer processing of spatiotemporal spike patterns in a neuron with active dendrites. Neural Computation, 22(8):2086-2112.

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With the advent of new experimental evidence showing that dendrites play an active role in processing a neuron's inputs, we revisit the question of a suitable abstraction for the computing function of a neuron in processing spatiotemporal input patterns. Although the integrative role of a neuron in relation to the spatial clustering of synaptic inputs can be described by a two-layer neural network, no corresponding abstraction has yet been described for how a neuron processes temporal input patterns on the dendrites. We address this void using a real-time aVLSI (analog very-large-scale-integrated) dendritic compartmental model, which incorporates two widely studied classes of regenerative event mechanisms: one is mediated by voltage-gated ion channels and the other by transmitter-gated NMDA channels. From this model, we find that the response of a dendritic compartment can be described as a nonlinear sigmoidal function of both the degree of input temporal synchrony and the synaptic input spatial clustering. We propose that a neuron with active dendrites can be modeled as a multilayer network that selectively amplifies responses to relevant spatiotemporal input spike patterns.


12 citations in Web of Science®
15 citations in Scopus®
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84 downloads since deposited on 04 Mar 2011
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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Institute of Neuroinformatics
Dewey Decimal Classification:570 Life sciences; biology
Deposited On:04 Mar 2011 15:51
Last Modified:05 Apr 2016 14:51
Publisher:MIT Press
Series Name:Neural computation
Number of Pages:26
Publisher DOI:10.1162/neco.2010.06-09-1030
PubMed ID:20337538

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