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- W2891133323 abstract "Anorexia nervosa (AN) and body dysmorphic disorder (BDD) share several phenomenological features including distorted perception of appearance, obsessions/compulsions, and limited insight. They also show partially overlapping patterns of brain activation, white matter connectivity, and electrophysiological responses. These markers have also shown associations with symptom severity within each disorder. We aimed to determine: (a) if, cross-diagnostically, neural activity and connectivity predict dimensional clinical phenotypes, and (b) the relative contribution of multimodal markers to these predictions beyond demographics and psychometrics, in a multivariate context. We used functional magnetic resonance imaging (fMRI) data from a visual task, graph theory metrics of white matter connectivity from diffusor tensor imaging, anxiety and depression psychometric scores, and demographics to predict dimensional phenotypes of insight and obsession/compulsions across a sample of unmedicated adults with BDD (n = 29) and weight-restored AN (n = 24). The multivariate model that included fMRI and white matter connectivity data performed significantly better in predicting both insight and obsessions/compulsions than a model only including demographics and psychometrics. These results demonstrate the utility of neurobiologically-based markers to predict important clinical phenotypes. The findings also contribute to understanding potential cross-diagnostic substrates for these phenotypes in these related but nosologically discrete disorders." @default.
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- W2891133323 date "2018-01-01" @default.
- W2891133323 modified "2023-10-06" @default.
- W2891133323 title "Cross-diagnostic Prediction of Dimensional Psychiatric Phenotypes in Anorexia Nervosa and Body Dysmorphic Disorder Using Multimodal Neuroimaging and Psychometric Data" @default.
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- W2891133323 doi "https://doi.org/10.1007/978-3-030-00689-1_10" @default.
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