On the Time Course of Synchronization Patterns of Neuronal Discharges in the Human Brain during Cognitive Tasks

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Authors

BRÁZDIL Milan JANEČEK Jiří KLIMEŠ Petr MAREČEK Radek ROMAN Robert JURÁK Pavel CHLÁDEK Jan DANIEL Pavel REKTOR Ivan HALÁMEK Josef PLEŠINGER Filip JIRSA Viktor

Year of publication 2013
Type Article in Periodical
Magazine / Source PLoS One
MU Faculty or unit

Central European Institute of Technology

Citation
Web http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0063293
Doi http://dx.doi.org/10.1371/journal.pone.0063293
Field Neurology, neurosurgery, neurosciences
Keywords VISUAL ODDBALL TASK; WORKING-MEMORY; TOP-DOWN; INTERAREAL SYNCHRONIZATION; CORTICAL AREAS; HIGH-FREQUENCY; CORTEX; INTEGRATION; ATTENTION; COHERENCE
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Description Using intracerebral EEG recordings in a large cohort of human subjects, we investigate the time course of neural cross-talk during a simple cognitive task. Our results show that human brain dynamics undergo a characteristic sequence of synchronization patterns across different frequency bands following a visual oddball stimulus. In particular, an initial global reorganization in the delta and theta bands (2-8 Hz)is followed by gamma(20-95 Hz) and then beta band (12-20 Hz) synchrony.
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