气候变化领域集成服务门户(CCPortal): Directed information exchange between cortical layers in macaque V1 and V4 and its modulation by selective attention

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DOI	10.1073/pnas.2022097118
	Directed information exchange between cortical layers in macaque V1 and V4 and its modulation by selective attention
	Ferro D.; van Kempen J.; Boyd M.; Panzeri S.; Thiele A.
发表日期	2021
ISSN	00278424
卷号	118 期号:12
英文摘要	Achieving behavioral goals requires integration of sensory and cognitive information across cortical laminae and cortical regions. How this computation is performed remains unknown. Using local field potential recordings and spectrally resolved conditional Granger causality (cGC) analysis, we mapped visual information flow, and its attentional modulation, between cortical layers within and between macaque brain areas V1 and V4. Stimulus-induced interlaminar information flow within V1 dominated upwardly, channeling information toward supragranular corticocortical output layers. Within V4, information flow dominated from granular to supragranular layers, but interactions between supragranular and infragranular layers dominated downwardly. Low-frequency across-area communication was stronger from V4 to V1, with little layer specificity. Gamma-band communication was stronger in the feedforward V1-to-V4 direction. Attention to the receptive field of V1 decreased communication between all V1 layers, except for granular-to-supragranular layer interactions. Communication within V4, and from V1 to V4, increased with attention across all frequencies. While communication from V4 to V1 was stronger in lower-frequency bands (4 to 25 Hz), attention modulated cGCs from V4 to V1 across all investigated frequencies. Our data show that top-down cognitive processes result in reduced communication within cortical areas, increased feedforward communication across all frequency bands, and increased gamma-band feedback communication. © 2021 National Academy of Sciences. All rights reserved.
英文关键词	Attention \| feedforward processing \| feedback processing \| laminar interaction
语种	英语
scopus关键词	animal experiment; article; local field potential; Macaca; nonhuman; receptive field; selective attention; striate cortex; visual information
来源期刊	Proceedings of the National Academy of Sciences of the United States of America
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/180131
作者单位	Neural Computation Laboratory, Istituto Italiano di Tecnologia, Rovereto, 38068, Italy; Center for Mind and Brain Sciences, University of Trento, Rovereto, 38068, Italy; Center for Brain and Cognition, Universitat Pompeu Fabra, Barcelona, 08002, Spain; Department of Information and CommunicationTechnologies, Universitat Pompeu Fabra, Barcelona, 08002, Spain; Biosciences Institute, Newcastle University, Newcastle upon Tyne, NE1 7RU, United Kingdom
推荐引用方式 GB/T 7714	Ferro D.,van Kempen J.,Boyd M.,et al. Directed information exchange between cortical layers in macaque V1 and V4 and its modulation by selective attention[J],2021,118(12).
APA	Ferro D.,van Kempen J.,Boyd M.,Panzeri S.,&Thiele A..(2021).Directed information exchange between cortical layers in macaque V1 and V4 and its modulation by selective attention.Proceedings of the National Academy of Sciences of the United States of America,118(12).
MLA	Ferro D.,et al."Directed information exchange between cortical layers in macaque V1 and V4 and its modulation by selective attention".Proceedings of the National Academy of Sciences of the United States of America 118.12(2021).