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Help: noise in EEG collection

Joseph Danto danto at yu1.yu.edu
Sun Nov 24 06:36:25 EST 1996

Obvious points to trouble shoot would be electrode impedance - mismatch
check filter settings to see if they've changed

i have seen the same problem on a system we had built where the
calibration or simulated data were ideal but shifted dramatically when the
patient was introduced into the circuit...the locus was in the
pre-amplifier design...if you try everything else and don't succeed, try
switching the pre-amps with a good one (from the mfr?)

Good Luck


Joseph Danto, Ph.D.
Professor & Program Director
Speech Pathology Audiology
Stern College
Yeshiva University 
212 340 7806
201 567 8408
201 567 7551 (facs)

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