[Eeglablist] recording facial EMG with monopolar montage

Maria Serena Panasiti m.serenapanasiti at gmail.com
Mon Jan 20 11:22:22 PST 2014


Dear List,

we are setting up an experiment in which we would like to simultaneously
record EEG and facial EMG. Unfortunately at the moment we just have
monopolar amplifiers so we were wondering if it was actually possible to
measure a clean EMG activity by using monopolar  electrodes (with  cephalic
ground and reference) and by then offline subtracting the two channels. I
read this could add some noise to the signal but it is not completely clear
to me why this would happen and which offline procedure I could use to
improve the SNR.

Any help would be very much appreciated!

Best wishes,

Serena

-- 
Maria Serena Panasiti, Ph.D

Cognitive Social and Affective Neuroscience Lab
Department of Psychology.
University of Rome "La Sapienza".
Via dei Marsi 78 - 00185 - Roma.
Phone: (+39) 06-49917635. Fax: (+39) 06-49917635

School of Psychology & Clinical Language Sciences
University of Reading
Reading, United Kingdom
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