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Hi, What the values are in your featquery results depends on what you requested when you set it up. There are many different options that you can select, some are beta weights (these are the PE or COPE options) but others are different (z-stats, etc). If you want to summarise the values over all the voxels in an ROI then you can either show the "timeseries", which gives one value per subject, or a mean and std over the contrast of interest (that gives one value across all subjects). Both methods are used to show results and the choice really is yours depending on what is most interesting or informative in your study. All the best, Mark From: FSL - FMRIB's Software Library <[log in to unmask]<mailto:[log in to unmask]>> on behalf of Mayte Parada <[log in to unmask]<mailto:[log in to unmask]>> Reply-To: FSL - FMRIB's Software Library <[log in to unmask]<mailto:[log in to unmask]>> Date: Thursday, 17 September 2015 16:20 To: "[log in to unmask]<mailto:[log in to unmask]>" <[log in to unmask]<mailto:[log in to unmask]>> Subject: [FSL] plotting brain activation Hello, After running a basic contrast between two conditions (high arousal-low arousal) I see that I have significant activation in the postcentral gyrus. I would like to represent the activation in this brain region on a graph for both conditions. I used Featquery to interrogate the stats/cope files for high arousal and low arousal contrasts and I see that I get means, std. deviations, and a timeseries that I can also display as %change for the entire region. I also know I can do this for a specific voxel if I use coordinates. I'm not quite sure what is the best representation of "brain activity" from these data. I was plotting the means and std. deviations (which are huge) and was told these means are the beta weights. Can anyone clear this up for me or make a suggestion of what best represents activity? -- Mayte Parada, PhD Laboratory for the Biopsychosocial Study of Sexuality 1205 Avenue Dr. Penfield Montreal, QC H3A1B1 W8/24