Does anyone know how the concatenation (see discussion below) of the ROI extracted time series needs to happen? Do I simply concatenate the time series as a temporal sequence, rfMRI_REST2_LR followed by rfMRI_REST2_RL ?
Thanks again for the kind help. Heracles Panagiotides, PhD From: hercp Sent: Tuesday, October 03, 2017 5:15 AM To: Glasser, Matthew Subject: Re: [HCP-Users] rfMRI data files Thanks for the kind reply, Matt. Let me make sure that I understand the process. I should extract the time series from regions of interest from each phase encoded file. Then I should concatenate the time series demeaning and variance normalizing? Am I way off? Sorry about the naïve questions, but I am a couple of decades behind in MR work. Thanks, Heracles Panagiotides, PhD From: Glasser, Matthew Sent: Monday, October 02, 2017 5:11 PM To: hercp ; HUMAN CONNECTOME Subject: Re: [HCP-Users] rfMRI data files Yes you ideally would analyze all of the resting state fMRI runs per subject. They have different phase encoding directions, so you should always analyze an equal amount of each. Be sure to demean and perhaps variance normalize prior to concatenating. Peace. Matt. From: <hcp-users-boun...@humanconnectome.org> on behalf of hercp <he...@uw.edu> Date: Tuesday, October 3, 2017 at 9:09 AM To: HUMAN CONNECTOME <hcp-users@humanconnectome.org> Subject: [HCP-Users] rfMRI data files Pardon my ignorance, but could someone give me a brief explanation of the difference between the rfMRI_REST2_LR and rfMRI_REST2_RL rfMRI data. Should I be using both of them? Thanks, Heracles Panagiotides, PhD _______________________________________________ HCP-Users mailing list HCP-Users@humanconnectome.org http://lists.humanconnectome.org/mailman/listinfo/hcp-users _______________________________________________ HCP-Users mailing list HCP-Users@humanconnectome.org http://lists.humanconnectome.org/mailman/listinfo/hcp-users
