> > Dear Colleagues, > > > > I have used Morlet wavelets to analyze preprocessed MEG data from the HCP > in resting state and the n-back working memory task. The input parameters > that I have selected are as follows: > >
> cfg = []; > > cfg.channel = 'MEG'; > > cfg.method = 'wavelet'; > > cfg.width = 7; > > cfg.output = 'pow'; > > cfg.foi = 4:0.1:100; > > cfg.toi = -0.5:0.1:1.5; > > > > > My questions are: > > > 1. Are these reasonable parameters for using the Morlet wavelets on the > HCP data? Can I use the same parameters for rest and working memory data? I > would like to be able to compare the results of working memory and resting > analyses. > > > 2. Is there something else I should do to the rMEG Preprocessed or > tMEGPreproc Preprocessed data before conducting frequency analysis? > > > 3. If I were to use Fourier analysis as a complementary method, can you > suggest the best window, i.e. Hanning taper? Multitapers? My initial > questions importantly depend on frequency resolution (would need less than > 1Hz resolution. currently set to 0.1). The default foi increment was 1 Hz, > is 0.1 valid and properly accepted by your scripts? > Thanks very much, Jennifer McGill, Montreal Neurological Institute and Hospital Department of Neurology and Neurosurgery; 3801 University st, MP116, Montreal, QC H3A 2B4 Website: jennifergoldman.webs.com _______________________________________________ HCP-Users mailing list [email protected] http://lists.humanconnectome.org/mailman/listinfo/hcp-users
