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Full-Text Articles in Medical Neurobiology
Neural Correlates Of Comorbidity Of Anxiety Disorders And Eating Disorders, Karsen Coelho
Neural Correlates Of Comorbidity Of Anxiety Disorders And Eating Disorders, Karsen Coelho
University Honors Theses
The presence of eating disorder and anxiety disorder comorbidity has raised the question of whether or not there is a causal relationship between them. Previous studies have found that this comorbidity has been present in various patients with anxiety disorders and eating disorders, going further to try and determine which diagnosis came first (Swinbourne et al., 2012). By conducting a literature review, studies were examined to determine neurobiological regions impacted by both disorders. Prefrontal cortex abnormalities are consistent among both disorders, contributing to differences in behavior and reward systems. With the irregular structure and activation of the amygdala, emotion and …
Post-Traumatic Stress Disorder: Review Of Dsm Criteria And Functional Neuroanatomy, Cornelius W. Thomas
Post-Traumatic Stress Disorder: Review Of Dsm Criteria And Functional Neuroanatomy, Cornelius W. Thomas
Marshall Journal of Medicine
The Diagnostic and Statistical Manual of Mental Disorders (DSM-5) criteria for post-traumatic stress disorder (PTSD) consist of over twenty possible symptoms that can be divided into six broad categories. These categories correlate with specific brain networks that regulate emotions, behaviors, and autonomic function. Normal functioning of these networks depends on two key regions; the prefrontal cortex and the amygdala. The prefrontal cortex provides top-down executive control over amygdala, whereas the amygdala is critical for threat detection and activation of the ‘fight or flight’ response. Events that trigger extreme and/or prolonged fear can cause persisting dysregulation within the prefrontal-amygdala circuit; resulting …