Propagating Neocortical Gamma Bursts Are Coordinated by Traveling Alpha Waves

Journal of Neuroscience - Tập 33 Số 48 - Trang 18849-18854 - 2013
Ali Bahramisharif1, Marcel van Gerven1, Erik J. Aarnoutse2, Manuel Mercier3, Theodore H. Schwartz4, John J. Foxe3, Nick F. Ramsey2, Ole Jensen1
11Donders Institute for Brain, Cognition and Behaviour, Radboud University Nijmegen, 6525EN, Nijmegen, The Netherlands,
22Rudolf Magnus Institute, Utrecht University, 3584CX, Utrecht, The Netherlands,
33The Sheryl and Daniel R. Tishman Cognitive Neurophysiology Laboratory, Children's Evaluation and Rehabilitation Center, Department of Pediatrics and Neuroscience, Albert Einstein College of Medicine, Bronx, New York 10461, and
44Department of Neurological Surgery, Weill Cornell Medical College, New York Presbyterian Hospital, New York, New York 10021

Tóm tắt

Neocortical neuronal activity is characterized by complex spatiotemporal dynamics. Although slow oscillations have been shown to travel over space in terms of consistent phase advances, it is unknown how this phenomenon relates to neuronal activity in other frequency bands. We here present electrocorticographic data from three male and one female human subject and demonstrate that gamma power is phase locked to traveling alpha waves. Given that alpha activity has been proposed to coordinate neuronal processing reflected in the gamma band, we suggest that alpha waves are involved in coordinating neuronal processing in both space and time.

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Journal of Neuroscience

Tập 33 Số 48

18849-18854

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