[esnr] Re: abst eeg global changes

  • From: Wolfgang Keeser <wolfgangkeeser@xxxxxxx>
  • To: esnr@xxxxxxxxxxxxx
  • Date: Mon, 18 Oct 2004 14:13:52 +0200

I have the article in PDF format and can send it to you back channel.
Am 18.10.2004 um 13:31 schrieb Batty, Martin:

Hi Marco

If you have it as a pdf any chance you could mail me a copy? I'd be interested to read it regardless

Best, Martin

-----Original Message-----
From:   esnr-bounce@xxxxxxxxxxxxx on behalf of Marco Congedo
Sent:   Mon 10/18/2004 12:00 PM
To:     esnr@xxxxxxxxxxxxx
Subject:        [esnr] Re: abst eeg global changes

I read it months ago. It is not that good as the title promises....(my opinion).

JefCrotty@xxxxxx wrote:

IEEE Trans Neural Syst Rehabil Eng. 2003 Jun;11(2):133-7.
EEG changes accompanying learned regulation of 12-Hz EEG activity.

Delorme A, Makeig S.

Swartz Center for Computational Neuroscience, Institute for Neural Computation, University of California at San Diego, La Jolla 92093-0961, USA. arno@xxxxxxxx

We analyzed 15 sessions of 64-channel electroencephalographic (EEG) data recorded from a highly trained subject during sessions in which he attempted to regulate power at 12 Hz over his left- and right-central scalp to control the altitude of a cursor moving toward target boxes placed at the top-, middle-, or bottom-right of a computer screen. We used infomax independent component analysis (ICA) to decompose 64-channel EEG data from trials in which the subject successfully up- or down-regulated the measured EEG signals. Applying time-frequency analysis to the time courses of activity of several of the resulting 64 independent EEG components revealed that successful regulation of the measured activity was accompanied by extensive, asymmetrical changes in power and coherence, at both nearby and distant frequencies, in several parts of cortex. A more complete understanding of these phenomena could help to explain the nature and locus of learned regulation of EEG rhythms and migh
t also
suggest ways to further optimize the performance of brain-computer interfaces.

Marco Congedo, PhD ------------------------------- National Institute for Research in Informatics and Automated Systems INRIA-Grenoble-France Tel: +33 4 76615409

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