www.princeton.edu/~matthewb/Publications/*tutorial*.pdf http://scan.oxfordjournals.org/content/4/1/101.full
www.bcn-nic.nl/txt/people/publications/*Etzel*2009.pdf On Wed, Sep 19, 2012 at 11:22 AM, Abduljalil Sireis <[email protected]>wrote: > > > On Wed, Sep 19, 2012 at 4:56 PM, J.A. Etzel <[email protected]>wrote: > >> This is far too general of a question: which steps are necessary depends >> upon the precise hypothesis you're testing with the analysis. I can easily >> think of a half dozen analysis schemes appropriate in various situations. >> >> You should start by making your hypothesis as concrete as possible. For >> example, are you interested in widespread activity, or activity in >> particular brain areas only? Are you interested in activity during >> particular times during the clips, or some sort of temporally averaged >> activity? >> > > - I'm interested in particular brain areas or regions of interest which > should be activated during the experiment. Also, a temporally averaged > activity would be fine. > > >> >> There are many useful tutorials; the ones by Pereira, Mur, and (if I say >> so myself) Etzel are good starting points. >> > > - Which tutorial do you mean? Could you please write me its name or the > link or it? Thank you! > >> >> good luck, >> Jo >> >> >> >> On 9/19/2012 7:19 AM, Abduljalil Sireis wrote: >> >>> Hi, >>> >>> I need help in classification project of subjects see two types of >>> video clips. One kind is dangerous car accidents and the other is normal >>> car advertisements. We have number of subjects perform this task with >>> one session per subject. Each run consists of 6 clips from each type,the >>> two successive spots are separated by black screen and a yellow cross to >>> fix the subjects eyes. There was not a specific order of the spots but >>> more than two successive ones of the same type were not allowed. All >>> videos were accompanied with voice, so we have visual and audio >>> stimulation. >>> >>> I think that i need to do features selection with respect to the active >>> regions corresponding to the stimulations, then a cross-validation leave >>> one-run-out can be applied. Could you please guide me through this >>> project? Which concrete steps should i need to do? >>> >>> Thank you, >>> Abdul >>> >>> >>> ______________________________**_________________ >>> Pkg-ExpPsy-PyMVPA mailing list >>> Pkg-ExpPsy-PyMVPA@lists.**alioth.debian.org<[email protected]> >>> http://lists.alioth.debian.**org/cgi-bin/mailman/listinfo/** >>> pkg-exppsy-pymvpa<http://lists.alioth.debian.org/cgi-bin/mailman/listinfo/pkg-exppsy-pymvpa> >>> >>> >> -- >> Joset A. Etzel, Ph.D. >> Research Analyst >> Cognitive Control & Psychopathology Lab >> Washington University in St. Louis >> http://mvpa.blogspot.com/ >> >> ______________________________**_________________ >> Pkg-ExpPsy-PyMVPA mailing list >> Pkg-ExpPsy-PyMVPA@lists.**alioth.debian.org<[email protected]> >> http://lists.alioth.debian.**org/cgi-bin/mailman/listinfo/** >> pkg-exppsy-pymvpa<http://lists.alioth.debian.org/cgi-bin/mailman/listinfo/pkg-exppsy-pymvpa> >> > > > _______________________________________________ > Pkg-ExpPsy-PyMVPA mailing list > [email protected] > http://lists.alioth.debian.org/cgi-bin/mailman/listinfo/pkg-exppsy-pymvpa >
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