November 3, 2006 ******************************************************************** DATA SETS USED IN Eguiluz et al, Physical Rev. Letters, 2005 ///// IRB, legal and confidencialy issues \\\\\\ It is against the law to duplicate or diseminate in any way the data and/or information contained in these files without written permission from the Study Principal Investigators (IRB protocols 0794-009) of Northwestern University Dante Chialvo and Vania Apkarian d-chialvo@northwestern.edu a-apkarian@northwestern.edu ******************************************************************** Subject code# CodeName Age/Gender DataSet code# --------------------------------------------------------- 1 Si2 37/F 11 12 13 14 2 Ch 24/F 21 22 23 3 Ja 30/M 31 32 33 4 Mi 30/M 41 42 43 5 Na 28/F 51 52 53 6 Va 50/M 61 62 63 7 Si1 37/F 71 72 73 8 Se 28/M 81 82 83 -------------------------------------------------------------------- - Each subject have one high resolution t1 image and several functional tasks -------------------------------------------------------------------- -All anatomical scans are 160-volumes long Filename convention: subject#ana.img = original anatomical scan subject#anabrain = deskulled anatomical scan ******************************************************************* Results in Figures 2 trough 3 are obtained from datasets from Subjects 1 trough 7 Results in Figure 4 are from the analysis of dataset of Subject 8 ******************************************************************** Functional tasks ******************************************************************** -all functional scans are 400-volumes long TR=2.5 seconds TE=30 msec Flip Angle =90 Filed of view = 256 Image dim= 36 x 36 x 64 (x,y,z) Voxel dim= 3.475 x 3.475 x 3 mm (x,y,z) -functional task for subjects 1,2,3,4,5,6 and 7 contains 20 cycles where one cycle = 10 volume off/10 volume on finger tapping #1: motor finger tapping qued by a small visual stimulus #2: motor finger tapping qued by an auditory stimulus #3: motor finger tapping qued large visual stimulus Exception:subject 1 have additional session: dataset 14 is a baseline recording while subject is quiet with closed eyes. -functional task for subject 8: Dataset 81: music listening, 20 cycles where once cycle= 20 volume off/20 volume on Dataser 82: word recalling, 40 cycles where once cycle= 10 volume off/10 volume on Dataset 83: word generation, 40 cycles where once cycle= 10 volume off/10 volume on ******************************************************************** Preprocessiong and FSL analysis: ******************************************************************** -the output of FSL (feat) analysis is in each set#.feat folder Preprocessed (by FEAT, motion corrected, filtered, spatial smoothing) images file are under the name of set#filtered_func_data.img report.html contains the output of FSL and report.log in each folder have the specific parameters used. high pass filter = 50 seconds. ******************************************************************** reader.f is a sample fortran code to read Preprocessed or Raw images ********************************************************************