Chunk #13 — 2. MATERIALS AND METHODS — 2.4 MRI Data Acquisitions and Processing

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Structural brain differences in alcohol-dependent individuals with and without comorbid substance dependence.

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Whole brain 3-dimensional T1-weighted coronal images and 2-dimensional T2-weighted oblique-axial images were acquired on a 1.5 Tesla magnet (Vision, Siemens Medical Systems, Iselin NJ), using Magnetization Prepared Rapid Acquisition Gradient Echo imaging sequence (TR/TI/TE = 9/300/4 ms, 1 × 1 mm2 in-plane resolution, 1.5 mm slabs) and spin-echo imaging sequence (TR/TE2 = 2500/80 ms, 1 × 1 mm2 in-plane resolution, 3 mm slice thickness), respectively.