• Patricia Ohrmann, Anette Kersting, Thomas Suslow, Judith Lalee-Mentzel, Uta-Susan Donges, Martin Fiebich, Volker Arolt, Walter Heindel, and Bettina Pfleiderer.
• University of Münster, Department of Psychiatry, Albert-Schweitzer-Str. 11, 48129 Münster, Germany. ohrmann@uni-muenster.de
• Neuroreport. 2004 Mar 1; 15 (3): 549-53.

AbstractThe aim of this study was to investigate the relationship between cognitive impairment and cerebral metabolites in patients with anorexia nervosa (AN). N-acetylaspartate (NAA), creatine/phosphocreatine (Cr), choline-containing compounds, glutamate/glutamine (Glx) and myoinositol were measured by proton magnetic resonance spectroscopy (H-MRS) of the left prefrontal cortex. Compared with healthy controls, AN patients displayed a significantly poorer performance in verbal learning and in attentional and executive tasks. Performance in the divided attention task was correlated with NAA and Cr in the dorsolateral prefrontal cortex, while executive functioning and depressive symptomatology were associated with Glx levels in the anterior cingulate. Our results provide evidence for cognitive impairment in AN patients which is associated with cerebral metabolism in the prefrontal cortex.Copyright 2004 Lippincott Williams & Wilkins

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