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Photomicrographs showing cresyl violet-stained coronal sections through the nucleus accumbens (∼+1.2 mm from bregma). A, Sham lesion; B, nucleus accumbens core lesion. The lesioned area is indicated by thedotted lines. Scale bar: A, 1 mm.aca, Anterior commissure; Acbc, nucleus accumbens core; Acbsh, nucleus accumbens shell;ICjM, major islands of calleja; LV, lateral ventricle; Pir, piriform cortex.
