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Neural correlates of distorted body images in adolescent girls with anorexia nervosa: How is it different from major depressive disorder?
Karakus Aydos, Yagmur; Dövencioglu, Dicle; Karli Oguz, Kader; Özdemir, Pinar; Pehlivantürk Kizilkan, Melis; Kanbur, Nuray; Ünal, Dilek; Nalbant, Kevser; Çetin Çuhadaroglu, Füsun; Akdemir, Devrim.
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  • Karakus Aydos Y; Department of Child and Adolescent Psychiatry, Hacettepe University Faculty of Medicine, Ankara, Turkey.
  • Dövencioglu D; Department of Psychology, Middle East Technical University, Ankara, Turkey.
  • Karli Oguz K; Department of Radiology, Hacettepe University Faculty of Medicine, Ankara, Turkey.
  • Özdemir P; National MR Research Center (UMRAM), Bilkent University, Ankara, Turkey.
  • Pehlivantürk Kizilkan M; Department of Bioistatistics, Hacettepe University, Ankara, Turkey.
  • Kanbur N; Section of Adolescent Medicine, Department of Pediatrics, Hacettepe University Faculty of Medicine, Ankara, Turkey.
  • Ünal D; Section of Adolescent Medicine, Department of Pediatrics, Hacettepe University Faculty of Medicine, Ankara, Turkey.
  • Nalbant K; Department of Child and Adolescent Psychiatry, Hacettepe University Faculty of Medicine, Ankara, Turkey.
  • Çetin Çuhadaroglu F; Department of Child and Adolescent Psychiatry, Hacettepe University Faculty of Medicine, Ankara, Turkey.
  • Akdemir D; Department of Child and Adolescent Psychiatry, Hacettepe University Faculty of Medicine, Ankara, Turkey.
J Neuropsychol ; 18(1): 154-172, 2024 Mar.
Article en En | MEDLINE | ID: mdl-37431063
Body image disturbance is closely linked to eating disorders including anorexia nervosa (AN). Distorted body image perception, dissatisfaction and preoccupation with weight and shape are often key factors in the development and maintenance of these disorders. Although the pathophysiological mechanism of body image disorder is not yet fully understood, aberrant biological processes may interfere with perceptive, cognitive and emotional aspects of body image. This study focuses on the neurobiological aspects of body image disturbance. The sample consisted of 12 adolescent girls diagnosed with AN, nine girls with major depressive disorder (MDD) and 10 without psychiatric diagnoses (HC, the healthy control group). We applied a block-design task in functional magnetic resonance imaging using participants' original and distorted overweight and underweight images. After imaging, the participants scored the images for resemblance, satisfaction and anxiety levels. The findings of this study demonstrate that overweight images elicited dissatisfaction and increased occipitotemporal activations across all participants. However, no difference was found between the groups. Furthermore, the MDD and HC groups showed increased activations in the prefrontal cortex and insula in response to underweight images compared to their original counterparts, whereas the AN group exhibited increased activations in the parietal cortex, cingulate gyrus and parahippocampal cortex in response to the same stimuli.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Anorexia Nerviosa / Trastorno Depresivo Mayor Límite: Adolescent / Female / Humans Idioma: En Revista: J Neuropsychol Asunto de la revista: NEUROLOGIA / PSICOLOGIA Año: 2024 Tipo del documento: Article País de afiliación: Turquía Pais de publicación: Reino Unido
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Anorexia Nerviosa / Trastorno Depresivo Mayor Límite: Adolescent / Female / Humans Idioma: En Revista: J Neuropsychol Asunto de la revista: NEUROLOGIA / PSICOLOGIA Año: 2024 Tipo del documento: Article País de afiliación: Turquía Pais de publicación: Reino Unido