Hi all, Does anyone know if there is a detailed wiki page on how to interpret each of the different stats files. To this point I have primarily used the aseg.stats file but one of the PIs we are working with wants a measure of total gray matter and total white matter specific to the frontal lobes. In the wmparc.stats file there are some values that are labeled ctx... and some labled wm... My initial understanding was that wmparc.stats contains only stats for white matter. Are these measures that start with ctx... actual measures of the cortex, or measures of the white matter underneath that cortex? If the ctx... ones are measures of the cortex, couldn't we just select the gyri that we wanted to include as part of the "frontal lobes" and then sum all the selected ctx... values (in order to get the measure for total frontal gray) and similarly sum all the selected wm... measures (to get the measure for frontal white) all from the wmparc.stats file?