rcb5 at classic.msn.com ("Ronald Blue") writes:
>----------
>From: Gaudet Normand
>Sent: Wednesday, September 24, 1997 8:57 PM
>To: neur-sci at net.bio.net>Subject: ERPs
>>Hi!
>>I'm a M. Sc. Neuropsychology student.
>>My research will focus on a characteristic found in music and word
>>perception.
>>Technically, I use E.R.P. (Event Related Potential).
>>I would like to have more information on the N400 component (the one >that
>>behaves negatively and approximatively 400ms after the stimulus).
>>I scanned Current Contents and had few hints.
>>Help would be highly appreciated.
>>Normand Gaudet
>>>>>>>>>>>>>>>>>>Calculate the average ERP while habituating the stimulus if
>possible. Now turn the average over as a mirror image.
You mean habituating the subject to the stimulus, right?
How do you mean to turn the average over -- flip its polarity, or
switch the time axis?
>Now compare the results to your negatively ERP.
negatively ERP?
>Notice anything unusual? If they look similar then
>read COP theory at http://www.enticypress.com
Yeah, one looks like a mirror image of the other. Nothing
profound there.
Kevin
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Kevin Spencer
Cognitive Psychophysiology Laboratory
Dept. of Psychology and Beckman Institute
University of Illinois at Urbana-Champaign
kspencer at s.psych.uiuc.edu
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