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Neural Decoding of Visual Stimuli Varies with Fluctuations in Global Network Efficiency
Cocchi, Luca1,2; Yang, Zhengyi1,3,4; Zalesky, Andrew5; Stelzer, Johannes6,7; Hearne, Luke J.1; Gollo, Leonardo L.2; Mattingley, Jason B.1,8
Source PublicationHUMAN BRAIN MAPPING
2017-06-01
Volume38Issue:6Pages:3069-3080
SubtypeArticle
AbstractFunctional magnetic resonance imaging (fMRI) studies have shown that neural activity fluctuates spontaneously between different states of global synchronization over a timescale of several seconds. Such fluctuations generate transient states of high and low correlation across distributed cortical areas. It has been hypothesized that such fluctuations in global efficiency might alter patterns of activity in local neuronal populations elicited by changes in incoming sensory stimuli. To test this prediction, we used a linear decoder to discriminate patterns of neural activity elicited by face and motion stimuli presented periodically while participants underwent time-resolved fMRI. As predicted, decoding was reliably higher during states of high global efficiency than during states of low efficiency, and this difference was evident across both visual and nonvisual cortical regions. The results indicate that slow fluctuations in global network efficiency are associated with variations in the pattern of activity across widespread cortical regions responsible for representing distinct categories of visual stimulus. More broadly, the findings highlight the importance of understanding the impact of global fluctuations in functional connectivity on specialized, stimulus driven neural processes. (C) 2017 Wiley Periodicals, Inc.
KeywordDynamic Connectivity Decoding Fmri Global Efficiency Brain Networks Connectomics Vision Faces Motion
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
DOI10.1002/hbm.23574
WOS KeywordFUSIFORM FACE AREA ; RESTING-STATE ; FUNCTIONAL CONNECTIVITY ; BIOLOGICAL MOTION ; BRAIN NETWORKS ; FMRI ; PERCEPTION ; DYNAMICS ; CORTEX ; OSCILLATIONS
Indexed BySCI
Language英语
Funding OrganizationAustralian Research Council (ARC) Australian Laureate Fellowship(FL110100103) ; ARC Centre of Excellence for Integrative Brain Function(CE140100007) ; Australian National Health Medical Research Council(APP1099082 ; APP1047648 ; APP1110975)
WOS Research AreaNeurosciences & Neurology ; Radiology, Nuclear Medicine & Medical Imaging
WOS SubjectNeurosciences ; Neuroimaging ; Radiology, Nuclear Medicine & Medical Imaging
WOS IDWOS:000404939900020
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ia.ac.cn/handle/173211/15249
Collection脑网络组研究中心
Affiliation1.Univ Queensland, Queensland Brain Inst, Brisbane, Qld, Australia
2.QIMR Berghofer Med Res Inst, Brisbane, Qld, Australia
3.Chinese Acad Sci, Inst Automat, Brainnetome Ctr, Beijing, Peoples R China
4.Univ Queensland, Sch Informat Technol & Elect Engn, Brisbane, Qld, Australia
5.Univ Melbourne, Melbourne Neuropsychiat Ctr, Melbourne, Vic, Australia
6.Univ Hosp Tuebingen, Dept Biomed Magnet Resonance Imaging, Tubingen, Germany
7.Max Planck Inst Biol Cybernet, Magnet Resonance Ctr, Tubingen, Germany
8.Univ Queensland, Sch Psychol, Brisbane, Qld, Australia
Recommended Citation
GB/T 7714
Cocchi, Luca,Yang, Zhengyi,Zalesky, Andrew,et al. Neural Decoding of Visual Stimuli Varies with Fluctuations in Global Network Efficiency[J]. HUMAN BRAIN MAPPING,2017,38(6):3069-3080.
APA Cocchi, Luca.,Yang, Zhengyi.,Zalesky, Andrew.,Stelzer, Johannes.,Hearne, Luke J..,...&Mattingley, Jason B..(2017).Neural Decoding of Visual Stimuli Varies with Fluctuations in Global Network Efficiency.HUMAN BRAIN MAPPING,38(6),3069-3080.
MLA Cocchi, Luca,et al."Neural Decoding of Visual Stimuli Varies with Fluctuations in Global Network Efficiency".HUMAN BRAIN MAPPING 38.6(2017):3069-3080.
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