[pymvpa] Spatial Searchlight on Event-related datasets
swaroopgj at gmail.com
Mon May 20 12:22:31 UTC 2013
I tried this approach with Sphere with radius of number of events, but I
wasn't sure if it only uses all events forward in time from first event or
also goes back (which shouldn't happen for most cases anyway).
On Sun, May 19, 2013 at 9:17 PM, Yaroslav Halchenko
<debian at onerussian.com>wrote:
> On Sun, 19 May 2013, Swaroop Guntupalli wrote:
> > There is an example script on how to perform spatio-temporal
> > on event-related dataset, but is there a way to run only spatial
> > searchlight without searching over time dimension?
> we should address this issue (which I guess you ran into if you didn't
> provide "temporal" Sphere, right?)
> ATM to do it you would need to specify large enough (to get all)
> "fake" Sphere for temporal dimension and run searchlight with roi_ids
> pointing to first X features which must correspond all to the first
> volume within each event (i.e. all having the same event_offsetidx).
> Yaroslav O. Halchenko, Ph.D.
> http://neuro.debian.net http://www.pymvpa.org http://www.fail2ban.org
> Senior Research Associate, Psychological and Brain Sciences Dept.
> Dartmouth College, 419 Moore Hall, Hinman Box 6207, Hanover, NH 03755
> Phone: +1 (603) 646-9834 Fax: +1 (603) 646-1419
> WWW: http://www.linkedin.com/in/yarik
> Pkg-ExpPsy-PyMVPA mailing list
> Pkg-ExpPsy-PyMVPA at lists.alioth.debian.org
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