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Photomicrograph illustrating the typical pattern of PCREB immunostaining in the ventral striatum and the olfactory tubercle. Application of the D1-class dopamine receptor agonist SKF-81297 for 30 min induces strong PCREB immunoreactivity in nuclei in the nucleus accumbens (NAc), fundus striati (FStr), and olfactory tubercle (OlfT). Regularly spaced islands of densely packed PCREB-positive nuclei are present in the olfactory tubercle. (Bar = 0.5 mm.)
