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</o:shapelayout></xml><![endif]--></head><body lang=HU link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span lang=EN-GB style='mso-fareast-language:EN-US'>Thank you, Jan-Mathijs,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB style='mso-fareast-language:EN-US'>This link is very instructive. I wonder why it eluded me so far. </span><span lang=EN-GB style='font-family:"Segoe UI Emoji",sans-serif;mso-fareast-language:EN-US'>😊</span><span lang=EN-GB style='mso-fareast-language:EN-US'><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB style='mso-fareast-language:EN-US'>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.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB 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 lang=EN-GB style='mso-fareast-language:EN-GB'>Tibor <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='mso-fareast-language:EN-GB'><o:p> </o:p></span></p><p class=MsoNormal><b><span lang=EN-GB 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 lang=EN-GB style='color:#0066FF;mso-fareast-language:EN-GB'>Research Fellow<o:p></o:p></span></b></p><p class=MsoNormal><b><span lang=EN-GB style='color:#0066FF;mso-fareast-language:EN-GB'>School of Psychology, Faculty of Health and Medical Sciences</span></b><span lang=EN-GB style='color:#0066FF;mso-fareast-language:EN-GB'><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='mso-fareast-language:EN-GB'>University of Surrey, Guildford GU2 7XH<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB 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 lang=EN-GB 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><o:p></o:p></span></p></div><p class=MsoNormal><span lang=EN-GB 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-GB>From:</span></b><span lang=EN-GB> fieldtrip <fieldtrip-bounces@science.ru.nl> <b>On Behalf Of </b>Schoffelen, J.M. (Jan Mathijs)<br><b>Sent:</b> Monday, September 28, 2020 10:21 AM<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><span lang=EN-GB><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB>Dear Tibor, <o:p></o:p></span></p><div><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p></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. <o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p></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.<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p></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. <o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p></div><div><p class=MsoNormal><span lang=EN-GB>Best wishes,<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-GB>Jan-Mathijs<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p><div><p class=MsoNormal><span lang=EN-GB><br><br><o:p></o:p></span></p><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><p class=MsoNormal><span lang=EN-GB>On 28 Sep 2020, at 10:03, <a href="mailto:tibor.auer@gmail.com">tibor.auer@gmail.com</a> wrote:<o:p></o:p></span></p></div><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p><div><div><p class=MsoNormal><span lang=EN-GB>Hi Jan-Mathijs,<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-GB> <o:p></o:p></span></p></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.<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-GB> <o:p></o:p></span></p></div><div><div><p class=MsoNormal><span lang=EN-GB>Kind regards,<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-GB>Tibor<span class=apple-converted-space> </span><o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-GB> <o:p></o:p></span></p></div><div><p class=MsoNormal><b><span lang=EN-GB style='color:#222A35'>Auer, Tibor M.D. Ph.D.</span></b><span lang=EN-GB><o:p></o:p></span></p></div><div><p class=MsoNormal><b><span lang=EN-GB style='color:#0066FF'>Research Fellow</span></b><span lang=EN-GB><o:p></o:p></span></p></div><div><p class=MsoNormal><b><span lang=EN-GB style='color:#0066FF'>School of Psychology, Faculty of Health and Medical Sciences</span></b><span lang=EN-GB><o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-GB>University of Surrey, Guildford GU2 7XH<o:p></o:p></span></p></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><o:p></o:p></span></p></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><o:p></o:p></span></p></div></div><div><p class=MsoNormal><span lang=EN-GB> <o:p></o:p></span></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-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<o:p></o:p></span></p></div></div></div><div><p class=MsoNormal><span lang=EN-GB> <o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-GB>Hi Tibor,<span class=apple-converted-space> </span><o:p></o:p></span></p></div><div><div><p class=MsoNormal><span lang=EN-GB> <o:p></o:p></span></p></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.<o:p></o:p></span></p></div></div><div><div><p class=MsoNormal><span lang=EN-GB> <o:p></o:p></span></p></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.<o:p></o:p></span></p></div></div><div><div><p class=MsoNormal><span lang=EN-GB> <o:p></o:p></span></p></div></div><div><div><p class=MsoNormal><span lang=EN-GB>Best wishes,<o:p></o:p></span></p></div></div><div><div><p class=MsoNormal><span lang=EN-GB>Jan-Mathijs<o:p></o:p></span></p></div></div><div><div><p class=MsoNormal><span lang=EN-GB> <o:p></o:p></span></p></div><div><div><p class=MsoNormal><span lang=EN-GB><br><br><br><o:p></o:p></span></p></div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><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:<o:p></o:p></span></p></div></div><div><p class=MsoNormal><span lang=EN-GB> <o:p></o:p></span></p></div><div><div><div><p class=MsoNormal><span lang=EN-GB>Dear Community,<o:p></o:p></span></p></div></div><div><div><p class=MsoNormal><span lang=EN-GB> <o:p></o:p></span></p></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><o:p></o:p></span></p></div></div><div><div><p class=MsoNormal><span lang=EN-GB> <o:p></o:p></span></p></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.<o:p></o:p></span></p></div></div><div><div><p class=MsoNormal><span lang=EN-GB> <o:p></o:p></span></p></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:<o:p></o:p></span></p></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'<o:p></o:p></span></li><li class=MsoListParagraph style='margin-top:0cm;margin-bottom:0cm;mso-list:l0 level2 lfo1'><span lang=EN-GB>taper: 'hanning'<o:p></o:p></span></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]<o:p></o:p></span></li><li class=MsoListParagraph style='margin-top:0cm;margin-bottom:0cm;mso-list:l0 level2 lfo1'><span lang=EN-GB>pad: 2.0480<o:p></o:p></span></li><li class=MsoListParagraph style='margin-top:0cm;margin-bottom:0cm;mso-list:l0 level2 lfo1'><span lang=EN-GB>output: 'pow'<o:p></o:p></span></li><li class=MsoListParagraph style='margin-top:0cm;margin-bottom:0cm;mso-list:l0 level2 lfo1'><span lang=EN-GB>keeptrials: 'no'<o:p></o:p></span></li><li class=MsoListParagraph style='margin-top:0cm;margin-bottom:0cm;mso-list:l0 level2 lfo1'><span lang=EN-GB>trials: [233×1 double]<o:p></o:p></span></li></ul></ul><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.<o:p></o:p></span></p></div></div><div><div><p class=MsoNormal><span lang=EN-GB> <o:p></o:p></span></p></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.<o:p></o:p></span></p></div></div><div><div><p class=MsoNormal><span lang=EN-GB> <o:p></o:p></span></p></div></div><div><div><p class=MsoNormal><span lang=EN-GB>Kind regards,<o:p></o:p></span></p></div></div><div><div><p class=MsoNormal><span lang=EN-GB>Tibor<span class=apple-converted-space> </span><o:p></o:p></span></p></div></div><div><div><p class=MsoNormal><span lang=EN-GB> <o:p></o:p></span></p></div></div><div><div><p class=MsoNormal><b><span lang=EN-GB style='color:#222A35'>Auer, Tibor M.D. Ph.D.</span></b><span lang=EN-GB><o:p></o:p></span></p></div></div><div><div><p class=MsoNormal><b><span lang=EN-GB style='color:#0066FF'>Research Fellow</span></b><span lang=EN-GB><o:p></o:p></span></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><span lang=EN-GB><o:p></o:p></span></p></div></div><div><div><p class=MsoNormal><span lang=EN-GB>University of Surrey, Guildford GU2 7XH<o:p></o:p></span></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><o:p></o:p></span></p></div></div><div><div><p class=MsoNormal><span lang=EN-GB> <o:p></o:p></span></p></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 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