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Hemispheric differences in electrical and hemodynamic responses during hemifield visual stimulation with graded contrasts
Si, Juanning1,2; Zhang, Xin1,2; Zhang, Yujin1,2; Jiang, Tianzi1,2,3,4,5
Source PublicationBIOMEDICAL OPTICS EXPRESS
2017-04-01
Volume8Issue:4Pages:2018-2035
SubtypeArticle
AbstractA multimodal neuroimaging technique based on electroencephalography (EEG) and functional near-infrared spectroscopy (fNIRS) was used with horizontal hemifield visual stimuli with graded contrasts to investigate the retinotopic mapping more fully as well as to explore hemispheric differences in neuronal activity, the hemodynamic response, and the neurovascular coupling relationship in the visual cortex. The fNIRS results showed the expected activation over the contralateral hemisphere for both the left and right hemifield visual stimulations. However, the EEG results presented a paradoxical lateralization, with the maximal response located over the ipsilateral hemisphere but with the polarity inversed components located over the contralateral hemisphere. Our results suggest that the polarity inversion as well as the latency advantage over the contralateral hemisphere cause the amplitude of the VEP over the contralateral hemisphere to be smaller than that over the ipsilateral hemisphere. Both the neuronal and hemodynamic responses changed logarithmically with the level of contrast in the hemifield visual stimulations. Moreover, the amplitudes and latencies of the visual evoked potentials (VEPs) were linearly correlated with the hemodynamic responses despite differences in the slopes. (C) 2017 Optical Society of America
KeywordFunctional Monitoring And Imaging Multiple Imaging Vision-contrast Sensitivity Blood Or Tissue Constituent monitOring.
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine ; Physical Sciences
DOI10.1364/BOE.8.002018
WOS KeywordNEAR-INFRARED SPECTROSCOPY ; SIMULTANEOUS EEG-FMRI ; DIFFUSE OPTICAL TOMOGRAPHY ; EVOKED-POTENTIALS ; STIMULUS-INTENSITY ; BLOOD OXYGENATION ; EYE DOMINANCE ; BOLD SIGNAL ; CORTEX ; BRAIN
Indexed BySCI
Language英语
Funding OrganizationNational Key Scientific Instrument and Equipment Development Project of China(2012YQ120046) ; National Natural Science Foundation of China(31571003 ; 81501550)
WOS Research AreaBiochemistry & Molecular Biology ; Optics ; Radiology, Nuclear Medicine & Medical Imaging
WOS SubjectBiochemical Research Methods ; Optics ; Radiology, Nuclear Medicine & Medical Imaging
WOS IDWOS:000400499300002
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ia.ac.cn/handle/173211/15261
Collection脑网络组研究中心
Affiliation1.Chinese Acad Sci, Brainnetome Ctr, Inst Automat, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Inst Automat, Natl Lab Pattern Recognit, Beijing 100190, Peoples R China
3.Univ Elect Sci & Technol China, Sch Life Sci & Technol, Key Lab NeuroInformat, Minist Educ, Chengdu 625014, Peoples R China
4.Chinese Acad Sci, CAS Ctr Excellence Brain Sci, Inst Automat, Beijing 100190, Peoples R China
5.Univ Queensland, Queensland Brain Inst, St Lucia, Qld 4072, Australia
Recommended Citation
GB/T 7714
Si, Juanning,Zhang, Xin,Zhang, Yujin,et al. Hemispheric differences in electrical and hemodynamic responses during hemifield visual stimulation with graded contrasts[J]. BIOMEDICAL OPTICS EXPRESS,2017,8(4):2018-2035.
APA Si, Juanning,Zhang, Xin,Zhang, Yujin,&Jiang, Tianzi.(2017).Hemispheric differences in electrical and hemodynamic responses during hemifield visual stimulation with graded contrasts.BIOMEDICAL OPTICS EXPRESS,8(4),2018-2035.
MLA Si, Juanning,et al."Hemispheric differences in electrical and hemodynamic responses during hemifield visual stimulation with graded contrasts".BIOMEDICAL OPTICS EXPRESS 8.4(2017):2018-2035.
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