Hi Michael, there is an SPM function that handles the concatenation by adding session regressors and adjusting the high-pass filter. I'm still pondering if I want to include a regressor that accounts for the transition between sessions, but not sure how it would look like. Any ideas on that?
Ok, that sounds easy :). TR=0.72 and number of volumes in the emotion task is: 176 My onsets of session 2 are: 32.067 74.21 116.353 So I will just add: 0.72*176=126,72 to all onsets and get: 158,800 200,943 243,085 Can you confirm I got this right? greetings David 2018-02-27 16:01 GMT+01:00 Harms, Michael <[email protected]>: > > > Well, you know the TR, and the number of frames in the first run, so just > add the product of those two to the times in the 2nd run (unless you are > manually deleting additional frames at the start of either run). > > > > Cheers, > > -MH > > > > -- > > Michael Harms, Ph.D. > > ----------------------------------------------------------- > > Conte Center for the Neuroscience of Mental Disorders > > Washington University School of Medicine > > Department of Psychiatry, Box 8134 > > 660 South Euclid Ave > <https://maps.google.com/?q=660+South+Euclid+Ave&entry=gmail&source=g>. > Tel: 314-747-6173 <(314)%20747-6173> > > St. Louis, MO 63110 Email: > [email protected] > > > > *From: *<[email protected]> on behalf of David > Hofmann <[email protected]> > *Date: *Tuesday, February 27, 2018 at 7:48 AM > *To: *"Glasser, Matthew" <[email protected]> > *Cc: *hcp-users <[email protected]> > *Subject: *Re: [HCP-Users] Concatenate sessions from Emotion task > > > > Hi Matthew, > > > > I basically want to have one file, that is the concatenation of the RL and > LR files and one file with the onsets for the fear and neut conditions for > both sessions. For example, subject 100206 has one fear.txt file for each > session with the following block onsets: > > > > 32.08 18 1 > > 74.223 18 > > 1 > > 116.365 18 > > 1 > > > > for the first session and > > > > 32.067 18 > > 1 > > 74.21 18 1 > > 116.353 18 > > 1 > > > > for the second session > > > > Now, after concatenation of the data files, I have to adjust the onsets > of the second session, such that all onsets are now greater than the last > onset of the first session (116.365). Basically, just add some value to the > onsets of the second session. This will depend on the number of "dummy > volumes" at the end of the first session and begin of the second session > asf. > > > > I'm using SPM so I don't think concatenating the design files will work > here. > > > > Hope it became clear what I mean. > > > > Thanks! > > > > 2018-02-27 14:01 GMT+01:00 Glasser, Matthew <[email protected]>: > > Is this a question of what to do with the images? Presumably for the > design you could just concatenate the design files after generation and the > image files after demean and hp200 or detrend. > > > > Peace, > > > > Matt. > > > > *From: *<[email protected]> on behalf of David > Hofmann <[email protected]> > *Date: *Tuesday, February 27, 2018 at 4:52 AM > *To: *hcp-users <[email protected]> > *Subject: *[HCP-Users] Concatenate sessions from Emotion task > > > > Hi all, > > > > I would like to concatenate the RL and LR files from the Emotion task > (modelling the sessions separately is not an option for the analysis I want > to do later on) and thus have to change the onsets in fear.txt and neu.txt > for the second session accordingly. I'm not quite sure how to do this > properly and hope for some guidance. > > > > Many thanks in advance > > > > David > > > > > > _______________________________________________ > HCP-Users mailing list > [email protected] > http://lists.humanconnectome.org/mailman/listinfo/hcp-users > > > > _______________________________________________ > HCP-Users mailing list > [email protected] > http://lists.humanconnectome.org/mailman/listinfo/hcp-users > > > ------------------------------ > > The materials in this message are private and may contain Protected > Healthcare Information or other information of a sensitive nature. If you > are not the intended recipient, be advised that any unauthorized use, > disclosure, copying or the taking of any action in reliance on the contents > of this information is strictly prohibited. If you have received this email > in error, please immediately notify the sender via telephone or return mail. > _______________________________________________ HCP-Users mailing list [email protected] http://lists.humanconnectome.org/mailman/listinfo/hcp-users
