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• W2033965963 startingPage "e1002760" @default.
• W2033965963 abstract "The ‘communication through coherence’ (CTC) hypothesis proposes that selective communication among neural networks is achieved by coherence between firing rate oscillation in a sending region and gain modulation in a receiving region. Although this hypothesis has stimulated extensive work, it remains unclear whether the mechanism can in principle allow reliable and selective information transfer. Here we use a simple mathematical model to investigate how accurately coherent gain modulation can filter a population-coded target signal from task-irrelevant distracting inputs. We show that selective communication can indeed be achieved, although the structure of oscillatory activity in the target and distracting networks must satisfy certain previously unrecognized constraints. Firstly, the target input must be differentiated from distractors by the amplitude, phase or frequency of its oscillatory modulation. When distracting inputs oscillate incoherently in the same frequency band as the target, communication accuracy is severely degraded because of varying overlap between the firing rate oscillations of distracting inputs and the gain modulation in the receiving region. Secondly, the oscillatory modulation of the target input must be strong in order to achieve a high signal-to-noise ratio relative to stochastic spiking of individual neurons. Thus, whilst providing a quantitative demonstration of the power of coherent oscillatory gain modulation to flexibly control information flow, our results identify constraints imposed by the need to avoid interference between signals, and reveal a likely organizing principle for the structure of neural oscillations in the brain." @default.
• W2033965963 created "2016-06-24" @default.
• W2033965963 creator A5033570060 @default.
• W2033965963 creator A5044453566 @default.
• W2033965963 date "2012-11-08" @default.
• W2033965963 modified "2023-10-16" @default.
• W2033965963 title "Efficient “Communication through Coherence” Requires Oscillations Structured to Minimize Interference between Signals" @default.
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• W2033965963 doi "https://doi.org/10.1371/journal.pcbi.1002760" @default.
• W2033965963 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/3493486" @default.
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• W2033965963 hasPublicationYear "2012" @default.
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