[human-electrophysiology] Re: Any ideas about summing ERPs?

  • From: T Elliman <psxte@xxxxxxxxxxxxx>
  • To: human-electrophysiology@xxxxxxxxxxxxx
  • Date: Fri, 03 Aug 2007 10:44:06 +0100

Hi Atlanta
I may be missing something, but I don't understand the formula. Could you explain it in words? 

Toby
--On 03 August 2007 10:34 +0100 Atlanta Flitton <a.flitton@xxxxxxxxxxxxx> wrote: 




Hello all,



I wondered if anyone had any experience in 'summing' ERP waves.



We are using a formula AVF = (A + V) -- AVF

Where:

AVF = responses to Audio/visual stimuli

A = responses to Audio stimuli

V = responses to Visual stimuli



We are hoping to see an interaction effect, but I am a little unclear
about how to sum the ERPs.  We are using Brain Vision Analyser, does
anyone have any ideas?



Many thanks,



Atlanta Flitton

Researcher

Behavioural and Brain Sciences Unit

Institute of Child Health

Guilford Street

London

WC1N 1EH










----------------------
T Elliman
psxte@xxxxxxxxxxxxx

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