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. Author manuscript; available in PMC: 2015 Nov 18.
Published in final edited form as: Drug Alcohol Depend. 2013 Mar 21;129(3):232–239. doi: 10.1016/j.drugalcdep.2013.02.028

Fig. 1.

Fig. 1

(a) A tissue-segmented axial slice extracted from a 3D MPRAGE dataset recorded from a 17-year-old female HC subject. WM, GM and CSF are represented by white, light gray and dark gray pixels, respectively. (b) A tissue-segmented sagital slice extracted from the same MPRAGE dataset. The black rectangle depicts the positioning of the MRS voxel within the ACC, which was obliqued along the sagital dimension. For this subject, GM, WM and CSF tissue fractions were estimated to be 74, 24 and 2%, respectively.