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  Attentional effects on local V1 microcircuits explain selective V1-V4 communication

Katsanevaki, C., Bastos, A. M., Cagnan, H., Bosman, C. A., Friston, K. J., & Fries, P. (2023). Attentional effects on local V1 microcircuits explain selective V1-V4 communication. NeuroImage, 120375. doi:10.1016/j.neuroimage.2023.120375.

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Item Permalink: https://hdl.handle.net/21.11116/0000-000D-B897-9 Version Permalink: https://hdl.handle.net/21.11116/0000-000D-B898-8
Genre: Journal Article

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Katsanevaki_2023_AttentionalEffects_pre-proof.pdf
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Journal Pre-proof: This is a PDF file of an article that has undergone enhancements after acceptance, such as the addition of a cover page and metadata, and formatting for readability, but it is not yet the definitive version of record. This version will undergo additional copyediting, typesetting and review before it is published in its final form, but we are providing this version to give early visibility of the article. Please note that, during the production process, errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain.
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2023
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© 2023 Published by Elsevier Inc. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/)
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http://creativecommons.org/licenses/by-nc-nd/4.0/

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https://www.sciencedirect.com/science/article/pii/S1053811923005268 (Publisher version)
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 Creators:
Katsanevaki, Christini1, 2, Author
Bastos, André M.1, 2, Author
Cagnan, Hayriye, Author
Bosman, Conrado A., Author
Friston, Karl J., Author
Fries, Pascal1, 2, Author                 
Affiliations:
1Ernst Strüngmann Institute (ESI) for Neuroscience in Cooperation with Max Planck Society, Max Planck Society, ou_2074314              
2Fries Lab, Ernst Strüngmann Institute (ESI) for Neuroscience in Cooperation with Max Planck Society, Max Planck Society, Deutschordenstraße 46, 60528 Frankfurt, DE, ou_3381216              

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 Abstract: Selective attention implements preferential routing of attended stimuli, likely through increasing the influence of the respective synaptic inputs on higher-area neurons. As the inputs of competing stimuli converge onto postsynaptic neurons, presynaptic circuits might offer the best target for attentional top-down influences. If those influences enabled presynaptic circuits to selectively entrain postsynaptic neurons, this might explain selective routing. Indeed, when two visual stimuli induce two gamma rhythms in V1, only the gamma induced by the attended stimulus entrains gamma in V4. Here, we modeled induced responses with a Dynamic Causal Model for Cross-Spectral Densities and found that selective entrainment can be explained by attentional modulation of intrinsic V1 connections. Specifically, local inhibition was decreased in the granular input layer and increased in the supragranular output layer of the V1 circuit that processed the attended stimulus. Thus, presynaptic attentional influences and ensuing entrainment were sufficient to mediate selective routing.

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 Dates: 2023-09-14
 Publication Status: Published online
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 Rev. Type: Peer
 Identifiers: DOI: 10.1016/j.neuroimage.2023.120375
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Title: NeuroImage
Source Genre: Journal
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Pages: - Volume / Issue: - Sequence Number: 120375 Start / End Page: - Identifier: ISSN: 10538119