Functional Imaging of Body Image Distortion In Anorexia Nervosa: Overweight vs. Underweight
Yagmur Karakus Aydos1, Dicle Dovencioglu2, Kader Karlı Oguz3, Pınar Ozdemir4, Melis Pehlivanturk Kızılkan5, Nuray Kanbur5, Dilek Unal1, Kevser Nalbant1, Fusun Cetin Cuhadaroglu1, and Devrim Akdemir1
1Child and Adolescent Psychiatry, Hacettepe University, Ankara, Turkey, 2Psychology, Middle East Technical University, Ankara, Turkey, 3Radiology, Hacettepe University& Bilkent University UMRAM, Ankara, Turkey, 4Bioistatistics, Hacettepe University, Ankara, Turkey, 5Adolescent Health, Hacettepe University, Ankara, Turkey
Body image disorder is the core symptom of Anorexia Nervosa (AN). Our research focuses on a group of adolescent patients diagnosed with AN to investigate neurobiological aspects of body image distortion, comparing the results with healthy control (HC) and major depression (MD) groups. We planned a block-design task in fMRI by using participants' original and distorted overweight and underweight images. We applied General Linear Models (GLM) for whole-brain analyses and examined correlations of the findings with behavioral data. As a result, AN patients differentiated when evaluating their underweight images. However, all adolescents had similar activations for overweight conditions.
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