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EnglishThe present study explored the association between some psychological symptoms related to worry, metacognition, and autonomic activity, in a group of 13 patients with Anorexia Nervosa (AN) as compared to 13 healthy controls (HCs). Specifically, trait and state anxiety, obsessive-compulsive symptoms and metacognitive beliefs were assessed through self-report questionnaires. Heart rate (HR) and skin conductance (SC), as representative measures of autonomic activation, were recorded at rest. Patients with AN reported significantly higher anxiety, obsessive-compulsive symptoms and maladaptive metacognitions than HCs. Further, patients showed significantly lower skin conductance level (SCL) and HR than HCs, pointing to an overall autonomic hypo-activation, which was uncorrelated with psychological symptoms. A significant correlation was observed between HR, but not SCL, and body mass index (BMI) in patients, suggesting that autonomic hypo-activation could only partially be ascribed to the reduced body weight, as measured through BMI. Remarkably, a significant negative correlation was found between patients' SCL and a metacognitive dimension (i.e., the negative beliefs concerning the consequences of not controlling thoughts), which may have critical implications for AN treatment.
| Titolo: | Reduced sympathetic activity and dysfunctional metacognition in patients with Anorexia Nervosa: A preliminary study | |
| Autori: | ||
| Data di pubblicazione: | 2017 | |
| Stato di pubblicazione: | Pubblicato | |
| Rivista: | ||
| Abstract: | The present study explored the association between some psychological symptoms related to worry, metacognition, and autonomic activity, in a group of 13 patients with Anorexia Nervosa (AN) as compared to 13 healthy controls (HCs). Specifically, trait and state anxiety, obsessive-compulsive symptoms and metacognitive beliefs were assessed through self-report questionnaires. Heart rate (HR) and skin conductance (SC), as representative measures of autonomic activation, were recorded at rest. Patients with AN reported significantly higher anxiety, obsessive-compulsive symptoms and maladaptive metacognitions than HCs. Further, patients showed significantly lower skin conductance level (SCL) and HR than HCs, pointing to an overall autonomic hypo-activation, which was uncorrelated with psychological symptoms. A significant correlation was observed between HR, but not SCL, and body mass index (BMI) in patients, suggesting that autonomic hypo-activation could only partially be ascribed to the reduced body weight, as measured through BMI. Remarkably, a significant negative correlation was found between patients' SCL and a metacognitive dimension (i.e., the negative beliefs concerning the consequences of not controlling thoughts), which may have critical implications for AN treatment. | |
| Handle: | http://hdl.handle.net/11368/2898579 | |
| Digital Object Identifier (DOI): | http://dx.doi.org/10.24193/jebp.2017.1.1 | |
| Appare nelle tipologie: | 1.1 Articolo in Rivista |
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| Palomba_AN_SC_JEBP_2017.pdf | Documento in Versione Editoriale | Digital Rights Management non definito | Administrator Richiedi una copia |
http://hdl.handle.net/11368/2898579
