Origin, structure, and role of background EEG activity. Part 2. Analytic phase.

  title={Origin, structure, and role of background EEG activity. Part 2. Analytic phase.},
  author={W. J. Freeman},
  journal={Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology},
  volume={115 9},
  • W. J. Freeman
  • Published 2004 in
    Clinical neurophysiology : official journal of…
OBJECTIVE To explain spontaneous EEG through measurements of spatiotemporal patterns of phase among beta-gamma oscillations. METHODS High-density 8 x 8 intracranial arrays were fixed over sensory cortices of rabbits. EEGs were spatially low pass filtered, temporally bandpass filtered and segmented in overlapping windows stepped at 2 ms. Phase was measured with the cosine as the temporal basis function, using both Fourier and Hilbert transforms to compensate for their respective limitations… CONTINUE READING
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Origin, structure and role of background EEG activity

  • WJ Freeman
  • packets. Int. J. Bifurc. Chaos
  • 2003
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Self-Organized Criticality: Emergent Complex Behavior in Physical and Biological Systems

  • HJ Jensen
  • New York: Cambridge UP,
  • 1998
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pass band 25-50 Hz, window duration 200 ms, <30% cone residuals. b p < .01 Table 2.1. The two basic parameters of neocortical EEG, temporal wavelength, Wt, and spatial

  • From Freeman, Holmes, West, Vanhatalo
  • 2005
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