<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"><base href="x-msg://3211/"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Hi Min,<div><br></div><div>I've done this kind of work - I suggest you explore both ERPLab (<a href="http://www.erpinfo.org">www.erpinfo.org</a>) and the Mass Univariate ERP Toolbox. <a href="http://openwetware.org/wiki/Mass_Univariate_ERP_Toolbox">http://openwetware.org/wiki/Mass_Univariate_ERP_Toolbox</a></div><div><br></div><div>ERPLab has a great measurement tool that will output measures of components you define (in time, relative peak, etc) and the MUT has a great multiple t-test for points along the waveform.</div><div><br></div><div>Let me know if you need more pointers or run into problems.</div><div><br></div><div>Best,</div><div>Andrew</div><div><br></div><div><br></div><div><div><div>On Nov 15, 2013, at 8:07 AM, Min Sheng <<a href="mailto:Min.Sheng@utsouthwestern.edu">Min.Sheng@utsouthwestern.edu</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div lang="EN-US" link="blue" vlink="purple" style="font-family: Helvetica; font-size: medium; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><div class="WordSection1"><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif; ">Dear all,</div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif; ">I am processing a gas challenge ERP study data. In this study, each subject did 8 blocks of ERP, 4 of blocks were under air condition and the other 4 were under high percentage of O2 condition. I already got the ERP figure for each blocks and also got the average of ERP under these 2 conditions. Next, I want to do something like T-test to see if there was a statistic difference of</div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif; ">P2 or N1 in amplitude and latency between 2 different conditions.</div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif; ">Is there anyone who did this kind of study before and could you give me some of suggestions?</div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif; ">Thank you in advance.</div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif; ">Min</div></div><br><hr><font face="Arial" color="Blue" size="2"><br>UT Southwestern Medical Center<br>The future of medicine, today.<br></font>_______________________________________________<br>Eeglablist page:<span class="Apple-converted-space"> </span><a href="http://sccn.ucsd.edu/eeglab/eeglabmail.html" style="color: purple; text-decoration: underline; ">http://sccn.ucsd.edu/eeglab/eeglabmail.html</a><br>To unsubscribe, send an empty email to<span class="Apple-converted-space"> </span><a href="mailto:eeglablist-unsubscribe@sccn.ucsd.edu" style="color: purple; text-decoration: underline; ">eeglablist-unsubscribe@sccn.ucsd.edu</a><br>For digest mode, send an email with the subject "set digest mime" to<span class="Apple-converted-space"> </span><a href="mailto:eeglablist-request@sccn.ucsd.edu" style="color: purple; text-decoration: underline; ">eeglablist-request@sccn.ucsd.edu</a></div></blockquote></div><br></div></body></html>