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Zh Vyssh Nerv Deiat Im I P Pavlova. 1999 Jan-Feb;49(1):3-11.

[The dynamic localization of a dipole source of the alpha rhythm in the human brain].

[Article in Russian]

Author information

1
Institute of Higher Nervous Activity and Neurophysiology, Russian Academy of Sciences, Moscow.

Abstract

In 11 subjects the dynamic localization (with 2-ms step) of the equivalent current dipole of alpha rhythm during travelling alpha waves was studied using one-dipole 3-layered spherical head model and MRI. The dipole was localized in the occipital cortex and during the development of a single alpha wave it shifted in one or another direction while dipole's moment revealed fan-like rotation mainly in sagittal and horizontal planes. The results obtained indicate changing localization of the alpha-rhythm source in the region corresponding to striate cortex. They seem to prove scanning hypothesis that is still under discussion.

PMID:
10330700
[Indexed for MEDLINE]

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