What structural brain abnormalities have researchers discovered in patients with anorexia nervosa when they are ill?

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Researchers have found that patients with anorexia nervosa have a reduced brain mass and reduced grey matter, especially in the temporal and parietal regions. This suggests that prolonged malnutrition may lead to brain tissue shrinkage. Decreased hypothalamus size and decreased ventricle size have also been reported in some studies, but these findings are not consistently observed across all studies. Frontal lobe lesions are not a common structural abnormality in anorexia nervosa.

What Structural Brain Abnormalities Have Researchers Discovered in Patients with Anorexia