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- Title
Impact of Impulsivity and Therapy Response in Eating Disorders from a Neurophysiological, Personality and Cognitive Perspective.
- Authors
Testa, Giulia; Granero, Roser; Misiolek, Alejandra; Vintró-Alcaraz, Cristina; Mallorqui-Bagué, Núria; Lozano-Madrid, Maria; Heras, Misericordia Veciana De Las; Sánchez, Isabel; Jiménez-Murcia, Susana; Fernández-Aranda, Fernando
- Abstract
Impulsivity, as a multidimensional construct, has been linked to eating disorders (EDs) and may negatively impact treatment response. The study aimed to identify the dimensions of impulsivity predicting poor remission of ED symptoms. A total of 37 ED patients underwent a baseline assessment of impulsive personality traits and inhibitory control, including the Stroop task and the emotional go/no-go task with event-related potentials (ERPs) analysis. The remission of EDs symptomatology was evaluated after 3 months of cognitive-behavioral therapy (CBT) and at a 2-year follow-up. Poor remission after CBT was predicted by poor inhibitory control, as measured by the Stroop task. At 2 years, the risk of poor remission was higher in patients with higher novelty seeking, lower inhibitory control in the Stroop and in ERPs indices (N2 amplitudes) during the emotional go/no-go task. The present results highlight inhibitory control negatively impacting both short- and long-term symptomatology remission in ED patients. On the other hand, high novelty seeking and ERPs indices of poor inhibition seem to be more specifically related to long-term remission. Therefore, a comprehensive assessment of the impulsivity dimension in patients with ED is recommended to tailor treatments and improve their efficacy.
- Subjects
TREATMENT of eating disorders; EVOKED potentials (Electrophysiology); PATIENT aftercare; NEUROPHYSIOLOGY; IMPULSIVE personality; TASK performance; RISK assessment; NEUROPSYCHOLOGICAL tests; COGNITIVE testing; EMOTIONS; DISEASE remission; EATING disorders; PERSONALITY assessment; CONTROL (Psychology); COGNITIVE therapy; PSYCHOSOCIAL factors
- Publication
Nutrients, 2022, Vol 14, Issue 23, p5011
- ISSN
2072-6643
- Publication type
Article
- DOI
10.3390/nu14235011