[Neuroscience] Minimizing stimulus artifacts

Bill via neur-sci%40net.bio.net (by connelly.bill from gmail.com)
Wed Feb 28 21:39:08 EST 2007


Another dull question: I need tips of minimizing stimulus artifacts. I
know the best way is to use low stimulus amplitudes/durations and have
the two poles of your stim. electrode very close together, but that is
not possible.

I am told that using a biphasic stimulating paradigm (i.e. the pulse
changes polarity half way through) is helpful; though I can't find one
to test that theory out. Has anyone tried that?

Are there any other tips?

(I'm running a Grass S88 with it's corresponding stimulus isolator,
square pulse, constant voltage).

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