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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
2017-06-01
发表期刊HUMAN BRAIN MAPPING
卷号38期号:6页码:3069-3080
文章类型Article
摘要Functional 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.
关键词Dynamic Connectivity Decoding Fmri Global Efficiency Brain Networks Connectomics Vision Faces Motion
WOS标题词Science & Technology ; Life Sciences & Biomedicine
DOI10.1002/hbm.23574
关键词[WOS]FUSIFORM FACE AREA ; RESTING-STATE ; FUNCTIONAL CONNECTIVITY ; BIOLOGICAL MOTION ; BRAIN NETWORKS ; FMRI ; PERCEPTION ; DYNAMICS ; CORTEX ; OSCILLATIONS
收录类别SCI
语种英语
项目资助者Australian 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研究方向Neurosciences & Neurology ; Radiology, Nuclear Medicine & Medical Imaging
WOS类目Neurosciences ; Neuroimaging ; Radiology, Nuclear Medicine & Medical Imaging
WOS记录号WOS:000404939900020
引用统计
被引频次:7[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ia.ac.cn/handle/173211/15249
专题脑网络组研究中心
作者单位1.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
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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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