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Dear Donald and all, Thanks for the previous advice. I just wonder, without concatenating sessions for DCM, how am I supposed to test the models? Best, Andy On Mon, Sep 29, 2014 at 9:50 PM, MCLAREN, Donald <[log in to unmask]> wrote: > I would not concatenate sessions for DCM. > > Best Regards, Donald McLaren > ================= > D.G. McLaren, Ph.D. > Research Fellow, Department of Neurology, Massachusetts General Hospital > and > Harvard Medical School > Postdoctoral Research Fellow, GRECC, Bedford VA > Website: http://www.martinos.org/~mclaren > Office: (773) 406-2464 > ===================== > This e-mail contains CONFIDENTIAL INFORMATION which may contain PROTECTED > HEALTHCARE INFORMATION and may also be LEGALLY PRIVILEGED and which is > intended only for the use of the individual or entity named above. If the > reader of the e-mail is not the intended recipient or the employee or agent > responsible for delivering it to the intended recipient, you are hereby > notified that you are in possession of confidential and privileged > information. Any unauthorized use, disclosure, copying or the taking of any > action in reliance on the contents of this information is strictly > prohibited and may be unlawful. If you have received this e-mail > unintentionally, please immediately notify the sender via telephone at > (773) > 406-2464 or email. > > On Mon, Sep 29, 2014 at 2:58 AM, Andy Yeung <[log in to unmask]> > wrote: > >> Dear Donald and all, >> >> I want to input the parametric modulator as a modulatory input in DCM >> analysis. >> Do you think it's ok not to concatenate 3 sessions together? >> >> Best, >> Andy >> >> On Sat, Sep 6, 2014 at 5:11 AM, MCLAREN, Donald <[log in to unmask] >> > wrote: >> >>> This is some beta code that has not been fully tested. Use at your own >>> risk. >>> >>> If you generate your SPM.mat file, then you can re-run it through this >>> program to create the new design matrix that has the PM orthogonalized >>> across run. You'll need to use portions of the PPI code to concatenate the >>> the design into a single run. >>> >>> I've only been testing it with the design portion as I only needed to >>> design the matrix for use with my gPPI code. >>> >>> You should be able to run spm_fmri_spm_ui and select the data or it can >>> pull from the SPM.mat file once you've run spm_fmri_design_concatenated. >>> >>> Best Regards, Donald McLaren >>> ================= >>> D.G. McLaren, Ph.D. >>> Research Fellow, Department of Neurology, Massachusetts General Hospital >>> and >>> Harvard Medical School >>> Postdoctoral Research Fellow, GRECC, Bedford VA >>> Website: http://www.martinos.org/~mclaren >>> Office: (773) 406-2464 >>> ===================== >>> This e-mail contains CONFIDENTIAL INFORMATION which may contain PROTECTED >>> HEALTHCARE INFORMATION and may also be LEGALLY PRIVILEGED and which is >>> intended only for the use of the individual or entity named above. If the >>> reader of the e-mail is not the intended recipient or the employee or >>> agent >>> responsible for delivering it to the intended recipient, you are hereby >>> notified that you are in possession of confidential and privileged >>> information. Any unauthorized use, disclosure, copying or the taking of >>> any >>> action in reliance on the contents of this information is strictly >>> prohibited and may be unlawful. If you have received this e-mail >>> unintentionally, please immediately notify the sender via telephone at >>> (773) >>> 406-2464 or email. >>> >>> >>> On Tue, Sep 2, 2014 at 9:32 PM, Andy Yeung <[log in to unmask]> >>> wrote: >>> >>>> Dear Donald and all, >>>> >>>> I wish to do parametric modulation as a whole, that's why I try to >>>> concatenate. >>>> >>>> Best, >>>> Andy >>>> >>>> >>>> On Wed, Sep 3, 2014 at 4:17 AM, MCLAREN, Donald < >>>> [log in to unmask]> wrote: >>>> >>>>> You should not concatenate the sessions together. Just put 3 sessions >>>>> into the model. >>>>> >>>>> Best Regards, Donald McLaren >>>>> ================= >>>>> D.G. McLaren, Ph.D. >>>>> Research Fellow, Department of Neurology, Massachusetts General >>>>> Hospital and >>>>> Harvard Medical School >>>>> Postdoctoral Research Fellow, GRECC, Bedford VA >>>>> Website: http://www.martinos.org/~mclaren >>>>> Office: (773) 406-2464 >>>>> ===================== >>>>> This e-mail contains CONFIDENTIAL INFORMATION which may contain >>>>> PROTECTED >>>>> HEALTHCARE INFORMATION and may also be LEGALLY PRIVILEGED and which is >>>>> intended only for the use of the individual or entity named above. If >>>>> the >>>>> reader of the e-mail is not the intended recipient or the employee or >>>>> agent >>>>> responsible for delivering it to the intended recipient, you are hereby >>>>> notified that you are in possession of confidential and privileged >>>>> information. Any unauthorized use, disclosure, copying or the taking >>>>> of any >>>>> action in reliance on the contents of this information is strictly >>>>> prohibited and may be unlawful. If you have received this e-mail >>>>> unintentionally, please immediately notify the sender via telephone at >>>>> (773) >>>>> 406-2464 or email. >>>>> >>>>> >>>>> On Thu, Aug 21, 2014 at 9:16 PM, Andy Yeung <[log in to unmask]> >>>>> wrote: >>>>> >>>>>> Dear all, >>>>>> >>>>>> May I ask when we concatenate 3 sessions together, at specifying >>>>>> onset (in terms of scans) of conditions, is the first scan of sessions 2 & >>>>>> 3 counted as scan zero too? >>>>>> >>>>>> I mean, when I have 282 scans per session and first onset each >>>>>> session at the 7th scan. >>>>>> Should I input onset as [6, 288, 570] or [6, 289, 572]? >>>>>> >>>>>> Please help! Thank you very much! >>>>>> >>>>>> Best, >>>>>> Andy >>>>>> >>>>> >>>>> >>>> >>> >> >