= MEG visual tutorial: Group analysis = ''Authors: Francois Tadel, Elizabeth Bock. '' The aim of this tutorial is to reproduce in the Brainstorm environment the analysis described in the SPM tutorial "[[ftp://ftp.mrc-cbu.cam.ac.uk/personal/rik.henson/wakemandg_hensonrn/Publications/SPM12_manual_chapter.pdf|Multimodal, Multisubject data fusion]]". The data processed here consists in simultaneous MEG/EEG recordings of 19 subjects performing simple visual task on a large number of famous, unfamiliar and scrambled faces. This tutorial follows another page that explains how to process [[Tutorials/VisualSingle|one single subject]] in details. <> == License == This dataset was obtained from the OpenfMRI project (http://www.openfmri.org), accession #ds117. It is made available under the Creative Commons Attribution 4.0 International Public License. Please cite the following reference if you use these data: <
>Wakeman DG, Henson RN, [[http://www.nature.com/articles/sdata20151|A multi-subject, multi-modal human neuroimaging dataset]], Scientific Data (2015) Any questions, please contact: rik.henson@mrc-cbu.cam.ac.uk == Download and installation == You can follow this tutorial after processing the recordings for the 19 subjects (6 runs per subject) as illustrated in the [[Tutorials/VisualSingle|single subject tutorial]]. Otherwise, we provide a package that includes all the imported data, downsampled at 275Hz. * Go to the [[http://neuroimage.usc.edu/bst/download.php|Download]] page, download the file '''TutorialGroup.zip'''. * Unzip this file in your Brainstorm database folder (brainstorm_db). * In Brainstorm, menu File > Load protocol > Load from folder > Select '''brainstorm_db/TutorialGroup''' == Topics to include == * Process: Sources > Spatial smoothing <>