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Neural Comput. 2008 Feb;20(2):383-414.

Gamma oscillations and stimulus selection.

Author information

1
Department of Mathematics, Tufts University, Medford, MA 02155, USA. christoph.borgers@tufts.edu

Abstract

More coherent excitatory stimuli are known to have a competitive advantage over less coherent ones. We show here that this advantage is amplified greatly when the target includes inhibitory interneurons acting via GABA(A)-receptor-mediated synapses and the coherent input oscillates at gamma frequency. We hypothesize that therein lies, at least in part, the functional significance of the experimentally observed link between attentional biasing of stimulus competition and gamma frequency rhythmicity.

PMID:
18047409
DOI:
10.1162/neco.2007.07-06-289
[Indexed for MEDLINE]

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