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BN has been associated with deficits in inhibitory control processes. The basal ganglia specifically, the nucleus accumbens (NAc) and the caudate nucleus (CN) are part of the frontostriatal circuits involved in inhibitory control. The main goal of this study was to investigate the presence of morphological alterations in the NAc and the CN in a sample of patients diagnosed with BN.<\/jats:p><\/jats:sec><jats:sec><jats:title>Method<\/jats:title><jats:p>Forty\u2010one female participants, 21 diagnosed with BN and 20 healthy matched controls (HC), underwent a structural magnetic resonance imaging (MRI) acquisition and clinical assessment. The NAc and the CN were manually segmented using the software Slicer 3D.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The results reveal a significant volumetric decrease in the CN and a preserved NAc volume in BN compared to the control group.<\/jats:p><\/jats:sec><jats:sec><jats:title>Discussion<\/jats:title><jats:p>These findings suggest a contributory role of the caudate nucleus part of the dorsal striatum in the psychopathology of BN. \u00a9 2014 Wiley Periodicals, Inc. 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