Hi Kamal, Sorry that we got that wrong in our documentation. The second column contains respiratory bellows, and the third column contains pulse ox. We will correct the documentation for the upcoming release.
Thanks, --Greg ____________________________________________________________________ Greg Burgess, Ph.D. Staff Scientist, Human Connectome Project Washington University School of Medicine Department of Anatomy and Neurobiology Phone: 314-362-7864 Email: [email protected] > On Apr 29, 2015, at 12:50 PM, Shadi, Kamal <[email protected]> wrote: > > Hi everybody, > > I am trying to remove physiological noise using RETROICOR and data provided > on "rfMRI_REST1_LR_Physio_log.txt" files for each subject. > According to HCP tutorial the second column in these files corresponds to > cardiac signal(pulse oximetry). If I plot the column, simple visual analysis > shows that the average heart rate is 20 beats per minute for subjects (based > on peak to peak distance). This is wierd! Am I doing something wrong or the > second column is not the cardiac signal as noted in HCP documents? I am > expecting to see something around 60 beats per minute. > > Many Thanks, > Kamal Shadi, > PhD candidate, > Computer science department, > Georgia Institute of Technology. > _______________________________________________ > HCP-Users mailing list > [email protected] > http://lists.humanconnectome.org/mailman/listinfo/hcp-users _______________________________________________ HCP-Users mailing list [email protected] http://lists.humanconnectome.org/mailman/listinfo/hcp-users
