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Thaks! On Thu, Sep 16, 2010 at 11:53 AM, Reza Salimi <[log in to unmask]> wrote: > Moran, > functional connectivity is a very complex problem that peopke tried to > tackle by various exploratory (Bayesian Nets, Sparse Inverse covariance, > etc) and confirmatory methods (SEM, etc). > What I recommend is that you first conduct a review on the existing works > in this field and see which one is the best for the question you have. > For an extensive review, please read > http://www.ncbi.nlm.nih.gov/pubmed/20817103 > (and the references if necessary) > > It will show you what the problems are when using simple correlation > measures between pairs of nodes, and many other issues. > > Cheers > > On Thu, Sep 16, 2010 at 10:46 AM, Moran Artzi <[log in to unmask]> wrote: > >> Hi >> I want to study functional connectivity on rest data. >> After extracting Time course from chsen VOI, is it correct to use: >> Feat > 1 entry per volume > myTimecours.txt (convolution = none; temporal >> derivative and temporal filtering = off)? >> >> In addition, how can I quantify the obtained results? >> Can I get the correlation value between the seed mask and the obtained >> results (score for each significant voxels)? >> >> Many thanks >> Moran >> > > > > -- > Reza Salimi-Khorshidi, > DPhil Candidate, FMRIB Centre of the University of Oxford (Linacre College) > Associate Member, Oxford-Man Institute for Quantitative Finance, University > of Oxford > > Email: [log in to unmask]; Tel: +44 (0) 1865 222704; Fax: +44 (0)1865 > 222717 > Address: FMRIB Centre, John Radcliffe Hospital, Oxford OX3 9DU, UK > > >