headphones for stimulus delivery in ERP recording

Peter Marvit marvit at cattell.psych.upenn.edu
Tue Oct 12 15:33:49 EST 1993


We're just using loudspeakers for auditory stimulus, though we have the
recording requipment somewhat masked/muffled and far away from the
subject.  Why do specifically need headphones (not a criticism, just
curious)? 

I haven't tested it empirically, but I would worry that headphones might
provide enough of a stray signal to bollux close electrodes.  Any data?

	-Peter "click, click, click" Marvit


: Peter Marvit <marvit at psych.upenn.edu>,   Psychology Dept,  Univ. of Penn :
: 3815 Walnut St., Philadelphia, PA  19104  w:215/898-6274  h:215/387-6433 :



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