<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Hi Andrew,<div><br></div><div>if you look into the command history, you will see calls to plotting functions, std_erpplot, std_erspplot etc...</div><div>Simply add extra output to these functions to collect the output. There is no need to deal with the data files (although this is possible as well).</div><div>For instance</div><div><br></div><div>[ STUDY erpdata erptimes] = std_erpplot(STUDY, ALLEEG, 'channels', { 'Fpz' });</div><div><br></div><div>In erpdata and erptimes you will get the data and time values respectively for electrode Fpz.</div><div>Best,</div><div><br></div><div>Arno</div><div><br></div><div><div><div>On Aug 13, 2011, at 4:19 AM, Andrew Hill wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite">
<meta http-equiv="Content-Type" content="text/html; charset=us-ascii"><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div>Hi Teresa,</div><div><br></div>It does seem reasonable, and after running ERSP functions on a study the data is saved per file and design, e.g. one of mine is design2_140_530_SHAM.datersp<div><br><div>I'm just not sure how to manipulate it directly - the GUI tools are pretty good for plotting and comparing btw groups/subjects, but not as they change over time, or for exporting text files (feature request, Arno? :).</div><div><br></div><div>If I "load design2_140_530_SHAM.datersp -mat", then 3 structs for each channel get loaded, ersp, erspbase, and erspboot... and I don't get why they are the size they are 80x200, 1x80, 80x2 .. especially as this is a 64 channel dataset (of 2 second epochs @ 512 hz).. </div><div><br></div><div>For output of values by event types, it'll require linking the calculated ersp data with ones in EEG.event, I assume...</div><div><br></div><div>Aside from not totally understanding what's in each file, my lack of ability to extract this stuff is mostly about my lack matlab skills I'm sure.</div><div><br></div><div>Still getting the hang of it. If you (or anyone else) knows a way to do this, could you toss me a hint? :)</div><div><br></div><div>Best,</div><div>Andrew</div><div><br></div><div><div><div>On Aug 12, 2011, at 9:09 AM, Teresa Hawkes wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite">I am using EGI's hard- and software. I'd like to do that too. I was planning to output to Matlab and just extract the voltage by electrode and event of interest. Does this seem reasonable?<br><br><div>Cheers,</div>
<div>Teresa</div><div><br></div><div><br></div><div><br><div class="gmail_quote">On Thu, Aug 11, 2011 at 8:34 PM, Andrew Hill <span dir="ltr"><<a href="mailto:andrewhill@ucla.edu">andrewhill@ucla.edu</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">hi,<br>
<br>
I've done a bunch of ERSP analysis on a study set, and there are some intriguing results based on the ERPs I'm analyzing for a 30-min recording session with a single type of trial (event)... although of course the ERSP that's plotted is an "average".<br>
<br>
At this point I'd like to output voltage on a trial-by-trial basis for the ERSP calculations i've made, specifying bands and time windows, to look at how the ERSP "trends" evolve over my 30 minutes.. can anyone suggest a way to do this?<br>
<br>
Thanks,<br>
Andrew<br>
<br>
<br>
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</blockquote></div><br><br clear="all"><br>-- <br>Teresa D. Hawkes, B.F.A.<br>Ph.D. Candidate<br>Department of Human Physiology<br>University of Oregon<br>348 Gerlinger Hall,<br>1240 University of Oregon<br>Eugene, Oregon 97403-1240<br>
Phone: 541-337-9443 (cell) or 541-346-0275 (laboratory)<br><a href="mailto:thawkes@uoregon.edu" target="_blank">thawkes@uoregon.edu</a><br><br><br>
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