Artikel ; Online: Predictors of neurofeedback treatment outcome in binge-eating disorder: An exploratory study.
The International journal of eating disorders
2023 Band 56, Heft 12, Seite(n) 2283–2294
Abstract: Objective: Knowledge on predictors for treatment response to psychotherapy in binge-eating disorder (BED) is mixed and not yet available for increasingly popular neurofeedback (NF) treatment targeting self-regulation of aberrant brain activity. This ... ...
Abstract | Objective: Knowledge on predictors for treatment response to psychotherapy in binge-eating disorder (BED) is mixed and not yet available for increasingly popular neurofeedback (NF) treatment targeting self-regulation of aberrant brain activity. This study examined eating disorder- and psychopathology-related predictors for NF treatment success in BED. Method: Patients with BED (N = 78) were randomized to 12 sessions of real-time functional near-infrared spectroscopy (rtfNIRS)-NF, targeting individual prefrontal cortex signal up-regulation, electroencephalography (EEG)-NF, targeting down-regulation of fronto-central beta activity, or waitlist (WL). The few studies assessing predictors for clinical outcomes after NF and evidenced predictors for psychotherapy guided the selection of baseline eating disorder-related predictors, including objective binge-eating (OBE) frequency, eating disorder psychopathology (EDP), food cravings, and body mass index (BMI), and general psychopathology-related predictors, including depressive and anxiety symptoms, impulsivity, emotion dysregulation, and self-efficacy. These questionnaire-based or objectively assessed (BMI) predictors were regressed on outcomes OBE frequency and EDP as key features of BED at post-treatment (t1) and 6-month follow-up (t2) in preregistered generalized mixed models (https://osf.io/4aktp). Results: Higher EDP, food cravings, and BMI predicted worse outcomes across all groups at t1 and t2. General psychopathology-related predictors did not predict outcomes at t1 and t2. Explorative analyses indicated that lower OBE frequency and higher self-efficacy predicted lower OBE frequency, and lower EDP predicted lower EDP after the waiting period in WL. Discussion: Consistent with findings for psychotherapy, higher eating disorder-related predictors were associated with higher EDP and OBE frequency. The specificity of psychopathological predictors for NF treatment success warrants further examination. Public significance: This exploratory study firstly assessed eating disorder- and psychopathology-related predictors for neurofeedback treatment outcome in binge-eating disorder and overweight. Findings showed an association between higher eating disorder symptoms and worse neurofeedback outcomes, indicating special needs to be considered in neurofeedback treatment for patients with a higher binge-eating disorder symptom burden. In general, outcomes and assignment to neurofeedback treatment may be improved upon consideration of baseline psychological variables. |
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Mesh-Begriff(e) | Humans ; Binge-Eating Disorder/therapy ; Binge-Eating Disorder/psychology ; Neurofeedback/methods ; Cognitive Behavioral Therapy/methods ; Treatment Outcome ; Bulimia/psychology |
Sprache | Englisch |
Erscheinungsdatum | 2023-09-22 |
Erscheinungsland | United States |
Dokumenttyp | Randomized Controlled Trial ; Journal Article |
ZDB-ID | 603170-5 |
ISSN | 1098-108X ; 0276-3478 |
ISSN (online) | 1098-108X |
ISSN | 0276-3478 |
DOI | 10.1002/eat.24062 |
Datenquelle | MEDical Literature Analysis and Retrieval System OnLINE |
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