<div>Hi Angel,</div><div> </div><div>Steve Luck's book <em>An Introduction to the Event-related potentials method </em>has a lot of information on references and the consequences of the reference you choose. A common issue with average reference is that it's best when you have a high-density cap with many channels, so it may not be a good reference to use with a 19-channel dataset. (I don't know if the amount of noise matters particularly for reference, but I don't have any experience myself using average reference--since I've only worked with low-density caps, I've never had a chance to use average reference).</div>
<div> </div><div>Best,</div><div>Steve<br><br></div><div class="gmail_quote">On Tue, Jun 12, 2012 at 11:36 AM, Angel Tabullo <span dir="ltr"><<a href="mailto:angeltabullo@yahoo.com" target="_blank">angeltabullo@yahoo.com</a>></span> wrote:<br>
<blockquote style="margin:0px 0px 0px 0.8ex;padding-left:1ex;border-left-color:rgb(204,204,204);border-left-width:1px;border-left-style:solid" class="gmail_quote"><div><div style="font-family:times new roman,new york,times,serif;font-size:12pt">
<div>Hello everyone! I wanted to ask if there's an advantage in using average reference over linked mastoids or earlobes when you are working with 19 channels and considerable levels of noise. Furthermore: can reference affect the SNR of an ERP? </div>
<div><br></div><div>Thanks again for your attention and patience.</div><span class="HOEnZb"><font color="#888888"><div><br></div><div>Angel Tabullo</div></font></span></div></div><br>_______________________________________________<br>
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