Long-range phase synchronization of high-frequency oscillations in human cortex

被引:58
作者
Arnulfo, G. [1 ,2 ]
Wang, S. H. [1 ,3 ,4 ]
Myrov, V [1 ,4 ]
Toselli, B. [2 ]
Hirvonen, J. [1 ,3 ]
Fato, M. M. [2 ]
Nobili, L. [5 ,6 ]
Cardinale, F. [7 ]
Rubino, A. [7 ]
Zhigalov, A. [1 ,9 ]
Palva, S. [1 ,8 ]
Palva, J. M. [1 ,3 ,4 ,8 ]
机构
[1] Univ Helsinki, Neurosci Ctr, Helsinki Inst Life Sci, Helsinki, Finland
[2] Univ Genoa, Dept Informat Bioengn Robot & Syst Engn, Genoa, Italy
[3] Univ Helsinki, Doctoral Programme Brain & Mind, Helsinki, Finland
[4] Aalto Univ, Dept Neurosci & Biomed Engn, Espoo, Finland
[5] Univ Genoa, Dept Neurosci Rehabil Ophthalmol Genet & Maternal, Genoa, Italy
[6] IRCCS Ist Giannina Gaslini, Child Neuropsychiat Unit, Genoa, Italy
[7] Osped Niguarda Ca Granda, Ctr Epilepsy Surg C Munari, Dept Neurosci, Milan, Italy
[8] Univ Glasgow, Ctr Cognit Neuroimaging, Inst Neurosci & Psychol, Glasgow, Lanark, Scotland
[9] Univ Birmingham, Ctr Human Brain Hlth, Sch Psychol, Birmingham, W Midlands, England
基金
芬兰科学院;
关键词
AMPLITUDE CORRELATIONS; RIPPLE OSCILLATIONS; NEURONAL SYNCHRONY; FIELD POTENTIALS; VISUAL-CORTEX; BRAIN; MEMORY; EEG; HZ; MECHANISMS;
D O I
10.1038/s41467-020-18975-8
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
Inter-areal synchronization of neuronal oscillations at frequencies below similar to 100Hz is a pervasive feature of neuronal activity and is thought to regulate communication in neuronal circuits. In contrast, faster activities and oscillations have been considered to be largely local-circuit-level phenomena without large-scale synchronization between brain regions. We show, using human intracerebral recordings, that 100-400Hz high-frequency oscillations (HFOs) may be synchronized between widely distributed brain regions. HFO synchronization expresses individual frequency peaks and exhibits reliable connectivity patterns that show stable community structuring. HFO synchronization is also characterized by a laminar profile opposite to that of lower frequencies. Importantly, HFO synchronization is both transiently enhanced and suppressed in separate frequency bands during a response-inhibition task. These findings show that HFO synchronization constitutes a functionally significant form of neuronal spike-timing relationships in brain activity and thus a mesoscopic indication of neuronal communication per se.
引用
收藏
页数:15
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