Skip to main content

Lund University Publications

LUND UNIVERSITY LIBRARIES

Intermittent dynamics underlying the intrinsic fluctuations of the collective synchronization patterns in electrocortical activity

Gong, Pulin ; Nikolaev, Andrey R. LU orcid and Van Leeuwen, Cees (2007) In Physical Review E (Statistical, Nonlinear, and Soft Matter Physics) 76(1).
Abstract

We investigate patterns of collective phase synchronization in brain activity in awake, resting humans with eyes closed. The alpha range of human electroencephalographic activity is characterized by ever-changing patterns, with strong fluctuations in both time and overall level of phase synchronization. The correlations of these patterns are reflected in power-law scaling of these properties. We present evidence that the dynamics underlying this fluctuation is type-I intermittency. We present a model study illustrating that the scaling property and the collective intermittent dynamics are emergent features of globally coupled phase oscillators near the critical point of entering global frequency locking.

Please use this url to cite or link to this publication:
author
; and
publishing date
type
Contribution to journal
publication status
published
subject
in
Physical Review E (Statistical, Nonlinear, and Soft Matter Physics)
volume
76
issue
1
article number
011904
publisher
American Physical Society
external identifiers
  • scopus:34547196314
ISSN
1539-3755
DOI
10.1103/PhysRevE.76.011904
language
English
LU publication?
no
id
589ce549-5891-4e2a-8086-4098710bc287
date added to LUP
2020-03-31 19:56:18
date last changed
2022-03-26 03:12:46
@article{589ce549-5891-4e2a-8086-4098710bc287,
  abstract     = {{<p>We investigate patterns of collective phase synchronization in brain activity in awake, resting humans with eyes closed. The alpha range of human electroencephalographic activity is characterized by ever-changing patterns, with strong fluctuations in both time and overall level of phase synchronization. The correlations of these patterns are reflected in power-law scaling of these properties. We present evidence that the dynamics underlying this fluctuation is type-I intermittency. We present a model study illustrating that the scaling property and the collective intermittent dynamics are emergent features of globally coupled phase oscillators near the critical point of entering global frequency locking.</p>}},
  author       = {{Gong, Pulin and Nikolaev, Andrey R. and Van Leeuwen, Cees}},
  issn         = {{1539-3755}},
  language     = {{eng}},
  month        = {{07}},
  number       = {{1}},
  publisher    = {{American Physical Society}},
  series       = {{Physical Review E (Statistical, Nonlinear, and Soft Matter Physics)}},
  title        = {{Intermittent dynamics underlying the intrinsic fluctuations of the collective synchronization patterns in electrocortical activity}},
  url          = {{http://dx.doi.org/10.1103/PhysRevE.76.011904}},
  doi          = {{10.1103/PhysRevE.76.011904}},
  volume       = {{76}},
  year         = {{2007}},
}