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</o:shapelayout></xml><![endif]--></head><body lang=HU link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='mso-fareast-language:EN-US'>And how do I inverse-warp them? </span><span style='font-family:"Segoe UI Emoji",sans-serif;mso-fareast-language:EN-US'>😊</span><span style='mso-fareast-language:EN-US'><o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><div><p class=MsoNormal><span lang=EN-GB style='mso-fareast-language:EN-GB'>Kind regards,<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-GB'>Tibor <o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-GB'><o:p> </o:p></span></p><p class=MsoNormal><b><span style='color:#222A35;mso-fareast-language:EN-GB'>Auer, Tibor M.D. Ph.D.<o:p></o:p></span></b></p><p class=MsoNormal><b><span style='color:#0066FF;mso-fareast-language:EN-GB'>Research Fellow<o:p></o:p></span></b></p><p class=MsoNormal><b><span style='color:#0066FF;mso-fareast-language:EN-GB'>School of Psychology, Faculty of Health and Medical Sciences</span></b><span style='color:#0066FF;mso-fareast-language:EN-GB'><o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-GB'>University of Surrey, Guildford GU2 7XH<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-GB'><a href="mailto:T.Auer@surrey.ac.uk"><span style='color:#0563C1'>T.Auer@surrey.ac.uk</span></a><u><span style='color:#0563C1'><o:p></o:p></span></u></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-GB'><a href="https://eur02.safelinks.protection.outlook.com/?url=https%3A%2F%2Ftwitter.com%2FTiborAuer&data=02%7C01%7Ct.auer%40surrey.ac.uk%7Cdb32da458c424eedef2908d7d4bd1421%7C6b902693107440aa9e21d89446a2ebb5%7C0%7C0%7C637211780868086968&sdata=zrT5%2FnGGsar14C3WartuU99tzsfLu30Peh9fuaqrAUg%3D&reserved=0"><span style='color:#0563C1'>@TiborAuer</span></a></span><span lang=EN-GB style='mso-fareast-language:EN-GB'><o:p></o:p></span></p></div><p class=MsoNormal><span style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US>From:</span></b><span lang=EN-US> fieldtrip <fieldtrip-bounces@science.ru.nl> <b>On Behalf Of </b>Schoffelen, J.M. (Jan Mathijs)<br><b>Sent:</b> Monday, September 28, 2020 4:37 PM<br><b>To:</b> FieldTrip discussion list <fieldtrip@science.ru.nl><br><b>Subject:</b> Re: [FieldTrip] eLORETA source analysis<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Dear Tibor, <o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Well, I meant you can use one of the standard sourcemodels, provided you inverse-warp them to individual subject space.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Best wishes,<o:p></o:p></p></div><div><p class=MsoNormal>Jan-Mathijs<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal><br><br><o:p></o:p></p><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><p class=MsoNormal>On 28 Sep 2020, at 17:25, <a href="mailto:tibor.auer@gmail.com">tibor.auer@gmail.com</a> wrote:<o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal>Do you mean I could simply use <fieldtrip>/template/sourcemodel/standard_sourcemodel3d10mm.mat?<o:p></o:p></p></div><div><p class=MsoNormal> <o:p></o:p></p></div><div><div><p class=MsoNormal><span lang=EN-GB>Kind regards,</span><o:p></o:p></p></div><div><p class=MsoNormal>Tibor<span class=apple-converted-space> </span><o:p></o:p></p></div><div><p class=MsoNormal> <o:p></o:p></p></div><div><p class=MsoNormal><b><span style='color:#222A35'>Auer, Tibor M.D. Ph.D.</span></b><o:p></o:p></p></div><div><p class=MsoNormal><b><span style='color:#0066FF'>Research Fellow</span></b><o:p></o:p></p></div><div><p class=MsoNormal><b><span style='color:#0066FF'>School of Psychology, Faculty of Health and Medical Sciences</span></b><o:p></o:p></p></div><div><p class=MsoNormal>University of Surrey, Guildford GU2 7XH<o:p></o:p></p></div><div><p class=MsoNormal><a href="mailto:T.Auer@surrey.ac.uk"><span style='color:#0563C1'>T.Auer@surrey.ac.uk</span></a><o:p></o:p></p></div><div><p class=MsoNormal><a href="https://eur02.safelinks.protection.outlook.com/?url=https%3A%2F%2Ftwitter.com%2FTiborAuer&data=02%7C01%7Ct.auer%40surrey.ac.uk%7Cdb32da458c424eedef2908d7d4bd1421%7C6b902693107440aa9e21d89446a2ebb5%7C0%7C0%7C637211780868086968&sdata=zrT5%2FnGGsar14C3WartuU99tzsfLu30Peh9fuaqrAUg%3D&reserved=0"><span style='color:#0563C1'>@TiborAuer</span></a><o:p></o:p></p></div></div><div><p class=MsoNormal> <o:p></o:p></p></div><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><div><p class=MsoNormal><b><span lang=EN-US>From:</span></b><span class=apple-converted-space><span lang=EN-US> </span></span><span lang=EN-US>fieldtrip <<a href="mailto:fieldtrip-bounces@science.ru.nl">fieldtrip-bounces@science.ru.nl</a>><span class=apple-converted-space> </span><b>On Behalf Of<span class=apple-converted-space> </span></b>Schoffelen, J.M. (Jan Mathijs)<br><b>Sent:</b><span class=apple-converted-space> </span>Monday, September 28, 2020 3:28 PM<br><b>To:</b><span class=apple-converted-space> </span>FieldTrip discussion list <<a href="mailto:fieldtrip@science.ru.nl">fieldtrip@science.ru.nl</a>><br><b>Subject:</b><span class=apple-converted-space> </span>Re: [FieldTrip] eLORETA source analysis</span><o:p></o:p></p></div></div></div><div><p class=MsoNormal> <o:p></o:p></p></div><div><p class=MsoNormal>Well, the group analysis section should be sufficient.<span class=apple-converted-space> </span><o:p></o:p></p></div><div><div><p class=MsoNormal> <o:p></o:p></p></div></div><div><div><p class=MsoNormal>Best wishes,<o:p></o:p></p></div></div><div><div><p class=MsoNormal> <o:p></o:p></p></div></div><div><div><p class=MsoNormal>JM<o:p></o:p></p></div></div><div><div><p class=MsoNormal> <o:p></o:p></p></div><div><div><p class=MsoNormal><br><br><br><o:p></o:p></p></div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><div><p class=MsoNormal>On 28 Sep 2020, at 16:20,<span class=apple-converted-space> </span><a href="mailto:tibor.auer@gmail.com">tibor.auer@gmail.com</a><span class=apple-converted-space> </span>wrote:<o:p></o:p></p></div></div><div><p class=MsoNormal> <o:p></o:p></p></div><div><div><div><p class=MsoNormal><span lang=EN-GB>Hi JM,</span><o:p></o:p></p></div></div><div><div><p class=MsoNormal><span lang=EN-GB> </span><o:p></o:p></p></div></div><div><div><p class=MsoNormal><span lang=EN-GB>Thank you for the information.</span><o:p></o:p></p></div></div><div><div><p class=MsoNormal><span lang=EN-GB> </span><o:p></o:p></p></div></div><div><div><p class=MsoNormal><span lang=EN-GB>Regarding 3D grids, the<span class=apple-converted-space> </span><a href="http://www.fieldtriptoolbox.org/tutorial/sourcemodel/#construction-of-a-source-model-based-on-a-regular-3-dimensional-grid-of-dipole-positions">http://www.fieldtriptoolbox.org/tutorial/sourcemodel/#construction-of-a-source-model-based-on-a-regular-3-dimensional-grid-of-dipole-positions</a><span class=apple-converted-space> </span>section says “Content is coming soon!”. Only the steps required for group analysis are detailed.</span><o:p></o:p></p></div></div><div><div><p class=MsoNormal><span lang=EN-GB> </span><o:p></o:p></p></div></div><div><div><div><p class=MsoNormal><span lang=EN-GB>Kind regards,</span><o:p></o:p></p></div></div><div><div><p class=MsoNormal><span lang=EN-GB>Tibor<span class=apple-converted-space> </span></span><o:p></o:p></p></div></div><div><div><p class=MsoNormal><span lang=EN-GB> </span><o:p></o:p></p></div></div><div><div><p class=MsoNormal><b><span lang=EN-GB style='color:#222A35'>Auer, Tibor M.D. Ph.D.</span></b><o:p></o:p></p></div></div><div><div><p class=MsoNormal><b><span lang=EN-GB style='color:#0066FF'>Research Fellow</span></b><o:p></o:p></p></div></div><div><div><p class=MsoNormal><b><span lang=EN-GB style='color:#0066FF'>School of Psychology, Faculty of Health and Medical Sciences</span></b><o:p></o:p></p></div></div><div><div><p class=MsoNormal><span lang=EN-GB>University of Surrey, Guildford GU2 7XH</span><o:p></o:p></p></div></div><div><div><p class=MsoNormal><span lang=EN-GB><a href="mailto:T.Auer@surrey.ac.uk"><span style='color:#0563C1'>T.Auer@surrey.ac.uk</span></a></span><o:p></o:p></p></div></div><div><div><p class=MsoNormal><span lang=EN-GB><a href="https://eur02.safelinks.protection.outlook.com/?url=https%3A%2F%2Ftwitter.com%2FTiborAuer&data=02%7C01%7Ct.auer%40surrey.ac.uk%7Cdb32da458c424eedef2908d7d4bd1421%7C6b902693107440aa9e21d89446a2ebb5%7C0%7C0%7C637211780868086968&sdata=zrT5%2FnGGsar14C3WartuU99tzsfLu30Peh9fuaqrAUg%3D&reserved=0"><span style='color:#0563C1'>@TiborAuer</span></a></span><o:p></o:p></p></div></div></div><div><div><p class=MsoNormal><span lang=EN-GB> </span><o:p></o:p></p></div></div><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><div><div><p class=MsoNormal><b><span lang=EN-GB>From:</span></b><span class=apple-converted-space><span lang=EN-GB> </span></span><span lang=EN-GB>fieldtrip <<a href="mailto:fieldtrip-bounces@science.ru.nl">fieldtrip-bounces@science.ru.nl</a>><span class=apple-converted-space> </span><b>On Behalf Of<span class=apple-converted-space> </span></b>Schoffelen, J.M. (Jan Mathijs)<br><b>Sent:</b><span class=apple-converted-space> </span>Monday, September 28, 2020 1:05 PM<br><b>To:</b><span class=apple-converted-space> </span>FieldTrip discussion list <<a href="mailto:fieldtrip@science.ru.nl">fieldtrip@science.ru.nl</a>><br><b>Subject:</b><span class=apple-converted-space> </span>Re: [FieldTrip] eLORETA source analysis</span><o:p></o:p></p></div></div></div></div><div><div><p class=MsoNormal><span lang=EN-GB> </span><o:p></o:p></p></div></div><div><div><p class=MsoNormal><span lang=EN-GB>Hi Tibor,<span class=apple-converted-space> </span></span><o:p></o:p></p></div></div><div><div><div><p class=MsoNormal><span lang=EN-GB> </span><o:p></o:p></p></div></div></div><div><div><div><p class=MsoNormal><span lang=EN-GB>Well, I don’t have a strong recommendation to go for either, apart from the fact that a distributed source reconstruction method (such as eLORETA) benefits from an accurate source model to begin with. Also, it depends on what you aim in your source reconstruction. Limiting yourself to the cortical sheet gets rid subcortical structures/cerebellum.</span><o:p></o:p></p></div></div></div><div><div><div><p class=MsoNormal><span lang=EN-GB> </span><o:p></o:p></p></div></div></div><div><div><div><p class=MsoNormal><span lang=EN-GB>Regarding 3D grids, there is some stuff that relates to 3D grids, isn’t there?</span><o:p></o:p></p></div></div></div><div><div><div><p class=MsoNormal><span lang=EN-GB> </span><o:p></o:p></p></div></div></div><div><div><div><p class=MsoNormal><span lang=EN-GB> </span><o:p></o:p></p></div></div></div><div><div><div><p class=MsoNormal><span lang=EN-GB>Best wishes,</span><o:p></o:p></p></div></div></div><div><div><div><p class=MsoNormal><span lang=EN-GB>JM</span><o:p></o:p></p></div></div></div><div><div><div><p class=MsoNormal><span lang=EN-GB> </span><o:p></o:p></p></div></div><div><div><div><p class=MsoNormal><span lang=EN-GB><br><br><br><br></span><o:p></o:p></p></div></div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><div><div><p class=MsoNormal><span lang=EN-GB>On 28 Sep 2020, at 13:52,<span class=apple-converted-space> </span><a href="mailto:tibor.auer@gmail.com">tibor.auer@gmail.com</a><span class=apple-converted-space> </span>wrote:</span><o:p></o:p></p></div></div></div><div><div><p class=MsoNormal><span lang=EN-GB> </span><o:p></o:p></p></div></div><div><div><div><div><p class=MsoNormal><span lang=EN-GB>Thank you, Jan-Mathijs,</span><o:p></o:p></p></div></div></div><div><div><div><p class=MsoNormal><span lang=EN-GB> </span><o:p></o:p></p></div></div></div><div><div><div><p class=MsoNormal><span lang=EN-GB>This link is very instructive. I wonder why it eluded me so far.<span class=apple-converted-space> </span></span><span lang=EN-GB style='font-family:"Segoe UI Emoji",sans-serif'>😊</span><o:p></o:p></p></div></div></div><div><div><div><p class=MsoNormal><span lang=EN-GB> </span><o:p></o:p></p></div></div></div><div><div><div><p class=MsoNormal><span lang=EN-GB>If I get it right, you recommend using approach based on the cortical sheet because 1) the tutorial for 3D grid is not there yet and 2) I can use results from cortical sheet directly for group analysis.</span><o:p></o:p></p></div></div></div><div><div><div><p class=MsoNormal><span lang=EN-GB> </span><o:p></o:p></p></div></div></div><div><div><div><div><p class=MsoNormal><span lang=EN-GB>Kind regards,</span><o:p></o:p></p></div></div></div><div><div><div><p class=MsoNormal><span lang=EN-GB>Tibor<span class=apple-converted-space> </span></span><o:p></o:p></p></div></div></div><div><div><div><p class=MsoNormal><span lang=EN-GB> </span><o:p></o:p></p></div></div></div><div><div><div><p class=MsoNormal><b><span lang=EN-GB style='color:#222A35'>Auer, Tibor M.D. Ph.D.</span></b><o:p></o:p></p></div></div></div><div><div><div><p class=MsoNormal><b><span lang=EN-GB style='color:#0066FF'>Research Fellow</span></b><o:p></o:p></p></div></div></div><div><div><div><p class=MsoNormal><b><span lang=EN-GB style='color:#0066FF'>School of Psychology, Faculty of Health and Medical Sciences</span></b><o:p></o:p></p></div></div></div><div><div><div><p class=MsoNormal><span lang=EN-GB>University of Surrey, Guildford GU2 7XH</span><o:p></o:p></p></div></div></div><div><div><div><p class=MsoNormal><span lang=EN-GB><a href="mailto:T.Auer@surrey.ac.uk"><span style='color:#0563C1'>T.Auer@surrey.ac.uk</span></a></span><o:p></o:p></p></div></div></div><div><div><div><p class=MsoNormal><span lang=EN-GB><a href="https://eur02.safelinks.protection.outlook.com/?url=https%3A%2F%2Ftwitter.com%2FTiborAuer&data=02%7C01%7Ct.auer%40surrey.ac.uk%7Cdb32da458c424eedef2908d7d4bd1421%7C6b902693107440aa9e21d89446a2ebb5%7C0%7C0%7C637211780868086968&sdata=zrT5%2FnGGsar14C3WartuU99tzsfLu30Peh9fuaqrAUg%3D&reserved=0"><span style='color:#0563C1'>@TiborAuer</span></a></span><o:p></o:p></p></div></div></div></div><div><div><div><p class=MsoNormal><span lang=EN-GB> </span><o:p></o:p></p></div></div></div><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><div><div><div><p class=MsoNormal><b><span lang=EN-GB>From:</span></b><span class=apple-converted-space><span lang=EN-GB> </span></span><span lang=EN-GB>fieldtrip <<a href="mailto:fieldtrip-bounces@science.ru.nl">fieldtrip-bounces@science.ru.nl</a>><span class=apple-converted-space> </span><b>On Behalf Of<span class=apple-converted-space> </span></b>Schoffelen, J.M. (Jan Mathijs)<br><b>Sent:</b><span class=apple-converted-space> </span>Monday, September 28, 2020 10:21 AM<br><b>To:</b><span class=apple-converted-space> </span>FieldTrip discussion list <<a href="mailto:fieldtrip@science.ru.nl">fieldtrip@science.ru.nl</a>><br><b>Subject:</b><span class=apple-converted-space> </span>Re: [FieldTrip] eLORETA source analysis</span><o:p></o:p></p></div></div></div></div></div><div><div><div><p class=MsoNormal><span lang=EN-GB> </span><o:p></o:p></p></div></div></div><div><div><div><p class=MsoNormal><span lang=EN-GB>Dear Tibor,<span class=apple-converted-space> </span></span><o:p></o:p></p></div></div></div><div><div><div><div><p class=MsoNormal><span lang=EN-GB> </span><o:p></o:p></p></div></div></div></div><div><div><div><div><p class=MsoNormal><span lang=EN-GB>It’s not clear to me what’s special about spm’s ‘unified segmentation’ regarding the creation of source models. </span><o:p></o:p></p></div></div></div></div><div><div><div><div><p class=MsoNormal><span lang=EN-GB> </span><o:p></o:p></p></div></div></div></div><div><div><div><div><p class=MsoNormal><span lang=EN-GB>I assume you are aware that source models eventually need to be in the subject’s native space in order for them to be useable.</span><o:p></o:p></p></div></div></div></div><div><div><div><div><p class=MsoNormal><span lang=EN-GB> </span><o:p></o:p></p></div></div></div></div><div><div><div><div><p class=MsoNormal><span lang=EN-GB>Documentation about how to create a source model for EEG/MEG source reconstruction can be found at: <a href="http://www.fieldtriptoolbox.org/tutorial/sourcemodel/">http://www.fieldtriptoolbox.org/tutorial/sourcemodel/</a>, which might be a good starting point. </span><o:p></o:p></p></div></div></div></div><div><div><div><div><p class=MsoNormal><span lang=EN-GB> </span><o:p></o:p></p></div></div></div></div><div><div><div><div><p class=MsoNormal><span lang=EN-GB>Best wishes,</span><o:p></o:p></p></div></div></div></div><div><div><div><div><p class=MsoNormal><span lang=EN-GB>Jan-Mathijs</span><o:p></o:p></p></div></div></div></div><div><div><div><div><p class=MsoNormal><span lang=EN-GB> </span><o:p></o:p></p></div></div></div><div><div><div><div><p class=MsoNormal><span lang=EN-GB><br><br><br><br><br></span><o:p></o:p></p></div></div></div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><div><div><div><p class=MsoNormal><span lang=EN-GB>On 28 Sep 2020, at 10:03,<span class=apple-converted-space> </span><a href="mailto:tibor.auer@gmail.com">tibor.auer@gmail.com</a><span class=apple-converted-space> </span>wrote:</span><o:p></o:p></p></div></div></div></div><div><div><div><p class=MsoNormal><span lang=EN-GB> </span><o:p></o:p></p></div></div></div><div><div><div><div><div><p class=MsoNormal><span lang=EN-GB>Hi Jan-Mathijs,</span><o:p></o:p></p></div></div></div></div><div><div><div><div><p class=MsoNormal><span lang=EN-GB> </span><o:p></o:p></p></div></div></div></div><div><div><div><div><p class=MsoNormal><span lang=EN-GB>Thank you for your response. I found that post earlier and noticed that I may need to redo the freqanalysis, however, I still do not know how do I create the<span class=apple-converted-space> </span><i>sourcemodel</i><span class=apple-converted-space> </span>from the T1-weighted MRI images already segmented with SPM12.</span><o:p></o:p></p></div></div></div></div><div><div><div><div><p class=MsoNormal><span lang=EN-GB> </span><o:p></o:p></p></div></div></div></div><div><div><div><div><div><p class=MsoNormal><span lang=EN-GB>Kind regards,</span><o:p></o:p></p></div></div></div></div><div><div><div><div><p class=MsoNormal><span lang=EN-GB>Tibor<span class=apple-converted-space> </span></span><o:p></o:p></p></div></div></div></div><div><div><div><div><p class=MsoNormal><span lang=EN-GB> </span><o:p></o:p></p></div></div></div></div><div><div><div><div><p class=MsoNormal><b><span lang=EN-GB style='color:#222A35'>Auer, Tibor M.D. Ph.D.</span></b><o:p></o:p></p></div></div></div></div><div><div><div><div><p class=MsoNormal><b><span lang=EN-GB style='color:#0066FF'>Research Fellow</span></b><o:p></o:p></p></div></div></div></div><div><div><div><div><p class=MsoNormal><b><span lang=EN-GB style='color:#0066FF'>School of Psychology, Faculty of Health and Medical Sciences</span></b><o:p></o:p></p></div></div></div></div><div><div><div><div><p class=MsoNormal><span lang=EN-GB>University of Surrey, Guildford GU2 7XH</span><o:p></o:p></p></div></div></div></div><div><div><div><div><p class=MsoNormal><span lang=EN-GB><a href="mailto:T.Auer@surrey.ac.uk"><span style='color:#0563C1'>T.Auer@surrey.ac.uk</span></a></span><o:p></o:p></p></div></div></div></div><div><div><div><div><p class=MsoNormal><span lang=EN-GB><a href="https://eur02.safelinks.protection.outlook.com/?url=https%3A%2F%2Ftwitter.com%2FTiborAuer&data=02%7C01%7Ct.auer%40surrey.ac.uk%7Cdb32da458c424eedef2908d7d4bd1421%7C6b902693107440aa9e21d89446a2ebb5%7C0%7C0%7C637211780868086968&sdata=zrT5%2FnGGsar14C3WartuU99tzsfLu30Peh9fuaqrAUg%3D&reserved=0"><span style='color:#0563C1'>@TiborAuer</span></a></span><o:p></o:p></p></div></div></div></div></div><div><div><div><div><p class=MsoNormal><span lang=EN-GB> </span><o:p></o:p></p></div></div></div></div><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><div><div><div><div><p class=MsoNormal><b><span lang=EN-GB>From:</span></b><span class=apple-converted-space><span lang=EN-GB> </span></span><span lang=EN-GB>fieldtrip <<a href="mailto:fieldtrip-bounces@science.ru.nl">fieldtrip-bounces@science.ru.nl</a>><span class=apple-converted-space> </span><b>On Behalf Of<span class=apple-converted-space> </span></b>Schoffelen, J.M. (Jan Mathijs)<br><b>Sent:</b><span class=apple-converted-space> </span>Thursday, September 24, 2020 8:12 AM<br><b>To:</b><span class=apple-converted-space> </span>FieldTrip discussion list <<a href="mailto:fieldtrip@science.ru.nl">fieldtrip@science.ru.nl</a>><br><b>Subject:</b><span class=apple-converted-space> </span>Re: [FieldTrip] eLORETA source analysis</span><o:p></o:p></p></div></div></div></div></div></div><div><div><div><div><p class=MsoNormal><span lang=EN-GB> </span><o:p></o:p></p></div></div></div></div><div><div><div><div><p class=MsoNormal><span lang=EN-GB>Hi Tibor,<span class=apple-converted-space> </span></span><o:p></o:p></p></div></div></div></div><div><div><div><div><div><p class=MsoNormal><span lang=EN-GB> </span><o:p></o:p></p></div></div></div></div></div><div><div><div><div><div><p class=MsoNormal><span lang=EN-GB>Some of this is discussed (and fixed, there were some small issues in the code) in <a href="https://github.com/fieldtrip/fieldtrip/issues/1454">https://github.com/fieldtrip/fieldtrip/issues/1454</a> and the PR that is linked in the linked issue.</span><o:p></o:p></p></div></div></div></div></div><div><div><div><div><div><p class=MsoNormal><span lang=EN-GB> </span><o:p></o:p></p></div></div></div></div></div><div><div><div><div><div><p class=MsoNormal><span lang=EN-GB>Note: if you want to go from sensor-level to source-level data in the frequency domain, you should either use ‘powandcsd’, or ‘fourier’ as cfg.output argument to ft_freqanalysis.</span><o:p></o:p></p></div></div></div></div></div><div><div><div><div><div><p class=MsoNormal><span lang=EN-GB> </span><o:p></o:p></p></div></div></div></div></div><div><div><div><div><div><p class=MsoNormal><span lang=EN-GB>Best wishes,</span><o:p></o:p></p></div></div></div></div></div><div><div><div><div><div><p class=MsoNormal><span lang=EN-GB>Jan-Mathijs</span><o:p></o:p></p></div></div></div></div></div><div><div><div><div><div><p class=MsoNormal><span lang=EN-GB> </span><o:p></o:p></p></div></div></div></div><div><div><div><div><div><p class=MsoNormal><span lang=EN-GB><br><br><br><br><br><br></span><o:p></o:p></p></div></div></div></div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><div><div><div><div><p class=MsoNormal><span lang=EN-GB>On 23 Sep 2020, at 13:42,<span class=apple-converted-space> </span><a href="mailto:tibor.auer@gmail.com">tibor.auer@gmail.com</a><span class=apple-converted-space> </span>wrote:</span><o:p></o:p></p></div></div></div></div></div><div><div><div><div><p class=MsoNormal><span lang=EN-GB> </span><o:p></o:p></p></div></div></div></div><div><div><div><div><div><div><p class=MsoNormal><span lang=EN-GB>Dear Community,</span><o:p></o:p></p></div></div></div></div></div><div><div><div><div><div><p class=MsoNormal><span lang=EN-GB> </span><o:p></o:p></p></div></div></div></div></div><div><div><div><div><div><p class=MsoNormal><span lang=EN-GB>I would like to perform an eLORETA source analysis, however, I am unsure about the steps.<span class=apple-converted-space> </span></span><o:p></o:p></p></div></div></div></div></div><div><div><div><div><div><p class=MsoNormal><span lang=EN-GB> </span><o:p></o:p></p></div></div></div></div></div><div><div><div><div><div><p class=MsoNormal><span lang=EN-GB>I am working on the<span class=apple-converted-space> </span><a href="http://fcon_1000.projects.nitrc.org/indi/retro/MPI_LEMON.html"><span style='color:#0563C1'>LEMON data</span></a><span class=apple-converted-space> </span>including 62-channel EEG experiment at rest and structural (T1-weighted) MRI of >200 participants.</span><o:p></o:p></p></div></div></div></div></div><div><div><div><div><div><p class=MsoNormal><span lang=EN-GB> </span><o:p></o:p></p></div></div></div></div></div><div><div><div><div><div><p class=MsoNormal><span lang=EN-GB>I have preprocessed the EEG data and performed timefrequency analysis on the 2-second-long epochs with configuration:</span><o:p></o:p></p></div></div></div></div></div><ul style='margin-top:0cm' type=disc><ul style='margin-top:0cm' type=circle><li class=MsoListParagraph style='margin-top:0cm;margin-bottom:0cm;mso-list:l0 level2 lfo1'><span lang=EN-GB>method: 'mtmfft'</span><o:p></o:p></li><li class=MsoListParagraph style='margin-top:0cm;margin-bottom:0cm;mso-list:l0 level2 lfo1'><span lang=EN-GB>taper: 'hanning'</span><o:p></o:p></li><li class=MsoListParagraph style='margin-top:0cm;margin-bottom:0cm;mso-list:l0 level2 lfo1'><span lang=EN-GB>foi: [0.9766 1.9531 3.9062 5.8594 7.8125 12.2070 15.1367 20.0195 24.9023 32.2266 40.0391 60.0586 69.8242 80.0781 95.2148 109.8633 120.1172]</span><o:p></o:p></li><li class=MsoListParagraph style='margin-top:0cm;margin-bottom:0cm;mso-list:l0 level2 lfo1'><span lang=EN-GB>pad: 2.0480</span><o:p></o:p></li><li class=MsoListParagraph style='margin-top:0cm;margin-bottom:0cm;mso-list:l0 level2 lfo1'><span lang=EN-GB>output: 'pow'</span><o:p></o:p></li><li class=MsoListParagraph style='margin-top:0cm;margin-bottom:0cm;mso-list:l0 level2 lfo1'><span lang=EN-GB>keeptrials: 'no'</span><o:p></o:p></li><li class=MsoListParagraph style='margin-top:0cm;margin-bottom:0cm;mso-list:l0 level2 lfo1'><span lang=EN-GB>trials: [233×1 double]</span><o:p></o:p></li></ul></ul><div><div><div><div><div><p class=MsoNormal><span lang=EN-GB>I have also processed the MRI images and normalised-segmented them using SPM12’s unified segmentation outside FieldTrip.</span><o:p></o:p></p></div></div></div></div></div><div><div><div><div><div><p class=MsoNormal><span lang=EN-GB> </span><o:p></o:p></p></div></div></div></div></div><div><div><div><div><div><p class=MsoNormal><span lang=EN-GB>I would appreciate any help including code snippets, pointers to (order of) functions or specific and detailed tutorials.</span><o:p></o:p></p></div></div></div></div></div><div><div><div><div><div><p class=MsoNormal><span lang=EN-GB> </span><o:p></o:p></p></div></div></div></div></div><div><div><div><div><div><p class=MsoNormal><span lang=EN-GB>Kind regards,</span><o:p></o:p></p></div></div></div></div></div><div><div><div><div><div><p class=MsoNormal><span lang=EN-GB>Tibor<span class=apple-converted-space> </span></span><o:p></o:p></p></div></div></div></div></div><div><div><div><div><div><p class=MsoNormal><span lang=EN-GB> </span><o:p></o:p></p></div></div></div></div></div><div><div><div><div><div><p class=MsoNormal><b><span lang=EN-GB style='color:#222A35'>Auer, Tibor M.D. Ph.D.</span></b><o:p></o:p></p></div></div></div></div></div><div><div><div><div><div><p class=MsoNormal><b><span lang=EN-GB style='color:#0066FF'>Research Fellow</span></b><o:p></o:p></p></div></div></div></div></div><div><div><div><div><div><p class=MsoNormal><b><span lang=EN-GB style='color:#0066FF'>School of Psychology, Faculty of Health and Medical Sciences</span></b><o:p></o:p></p></div></div></div></div></div><div><div><div><div><div><p class=MsoNormal><span lang=EN-GB>University of Surrey, Guildford GU2 7XH</span><o:p></o:p></p></div></div></div></div></div><div><div><div><div><div><p class=MsoNormal><span lang=EN-GB><a href="https://eur02.safelinks.protection.outlook.com/?url=https%3A%2F%2Ftwitter.com%2FTiborAuer&data=02%7C01%7Ct.auer%40surrey.ac.uk%7Cdb32da458c424eedef2908d7d4bd1421%7C6b902693107440aa9e21d89446a2ebb5%7C0%7C0%7C637211780868086968&sdata=zrT5%2FnGGsar14C3WartuU99tzsfLu30Peh9fuaqrAUg%3D&reserved=0"><span style='color:#0563C1'>@TiborAuer</span></a></span><o:p></o:p></p></div></div></div></div></div><div><div><div><div><div><p class=MsoNormal><span lang=EN-GB> </span><o:p></o:p></p></div></div></div></div></div><div><div><div><div><p class=MsoNormal><span lang=EN-GB style='font-size:10.5pt;font-family:"Helvetica",sans-serif'>dy>_______________________________________________<br>fieldtrip mailing list<br></span><span lang=EN-GB><a href="https://mailman.science.ru.nl/mailman/listinfo/fieldtrip"><span style='font-size:10.5pt;font-family:"Helvetica",sans-serif;color:#0563C1'>https://mailman.science.ru.nl/mailman/listinfo/fieldtrip</span></a></span><span lang=EN-GB style='font-size:10.5pt;font-family:"Helvetica",sans-serif'><br></span><span lang=EN-GB><a href="https://doi.org/10.1371/journal.pcbi.1002202"><span style='font-size:10.5pt;font-family:"Helvetica",sans-serif;color:#0563C1'>https://doi.org/10.1371/journal.pcbi.1002202</span></a></span><o:p></o:p></p></div></div></div></div></div></blockquote></div><div><div><div><div><p class=MsoNormal><span lang=EN-GB> </span><o:p></o:p></p></div></div></div></div></div><div><div><div><p class=MsoNormal><span lang=EN-GB style='font-size:10.5pt;font-family:"Helvetica",sans-serif'>v>_______________________________________________<br>fieldtrip mailing list<br></span><span lang=EN-GB><a href="https://mailman.science.ru.nl/mailman/listinfo/fieldtrip"><span style='font-size:10.5pt;font-family:"Helvetica",sans-serif'>https://mailman.science.ru.nl/mailman/listinfo/fieldtrip</span></a></span><span lang=EN-GB style='font-size:10.5pt;font-family:"Helvetica",sans-serif'><br></span><span lang=EN-GB><a href="https://doi.org/10.1371/journal.pcbi.1002202"><span style='font-size:10.5pt;font-family:"Helvetica",sans-serif'>https://doi.org/10.1371/journal.pcbi.1002202</span></a></span><o:p></o:p></p></div></div></div></div></blockquote></div><div><div><div><p class=MsoNormal><span lang=EN-GB> </span><o:p></o:p></p></div></div></div></div><div><div><p class=MsoNormal><span lang=EN-GB style='font-size:10.5pt;font-family:"Helvetica",sans-serif'>_______________________________________________<br>fieldtrip mailing list<br><a href="https://mailman.science.ru.nl/mailman/listinfo/fieldtrip">https://mailman.science.ru.nl/mailman/listinfo/fieldtrip</a><br><a href="https://doi.org/10.1371/journal.pcbi.1002202">https://doi.org/10.1371/journal.pcbi.1002202</a></span><o:p></o:p></p></div></div></div></blockquote></div><div><div><p class=MsoNormal><span lang=EN-GB> </span><o:p></o:p></p></div></div></div><div><p class=MsoNormal><span style='font-size:10.5pt;font-family:"Helvetica",sans-serif'>div>_______________________________________________<br>fieldtrip mailing list<br></span><a href="https://mailman.science.ru.nl/mailman/listinfo/fieldtrip"><span style='font-size:10.5pt;font-family:"Helvetica",sans-serif'>https://mailman.science.ru.nl/mailman/listinfo/fieldtrip</span></a><span style='font-size:10.5pt;font-family:"Helvetica",sans-serif'><br></span><a href="https://doi.org/10.1371/journal.pcbi.1002202"><span style='font-size:10.5pt;font-family:"Helvetica",sans-serif'>https://doi.org/10.1371/journal.pcbi.1002202</span></a><o:p></o:p></p></div></div></blockquote></div><div><p class=MsoNormal> <o:p></o:p></p></div></div><p class=MsoNormal><span style='font-size:10.5pt;font-family:"Helvetica",sans-serif'>/p>_______________________________________________<br>fieldtrip mailing list<br></span><a href="https://mailman.science.ru.nl/mailman/listinfo/fieldtrip"><span style='font-size:10.5pt;font-family:"Helvetica",sans-serif'>https://mailman.science.ru.nl/mailman/listinfo/fieldtrip</span></a><span style='font-size:10.5pt;font-family:"Helvetica",sans-serif'><br></span><a href="https://doi.org/10.1371/journal.pcbi.1002202"><span style='font-size:10.5pt;font-family:"Helvetica",sans-serif'>https://doi.org/10.1371/journal.pcbi.1002202</span></a><o:p></o:p></p></div></blockquote></div><p class=MsoNormal><o:p> </o:p></p></div></div></body></html>