Neurofeedback durante la comida para la bulimia nerviosa
Neurofeedback durante la comida: un nuevo tratamiento mecánico para la bulimia nerviosa
The purpose of this study is to examine the effects of noninvasive prefrontal cortex (PFC) neurofeedback during eating in women with bulimia nervosa (BN) using a wearable brain imaging device, functional near-infrared spectroscopy (fNIRS). The investigators will examine how this training may influence inhibitory control and BN symptoms.
Descripción general del estudio
Estado
Condiciones
Intervención / Tratamiento
Descripción detallada
The purpose of this study is to examine the effects of PFC neurofeedback during eating in women with bulimia nervosa (BN) using fNIRS. Specifically, the study aims 1) to demonstrate ventrolateral PFC (vlPFC) neurofeedback target engagement in women with BN using fNIRS; and 2) to link changes in PFC activation to changes in inhibitory control and eating-related symptoms.
Data will be collected from women with BN who will be randomly assigned to one of two group conditions (real or sham-control neurofeedback during eating). Participation includes a phone screening assessment, psychodiagnostic assessment, one in-person evaluation, one neurofeedback session, behavioral tasks, online questionnaires before and after the neurofeedback session, and a remote follow-up assessment.
Tipo de estudio
Inscripción (Estimado)
Fase
- No aplica
Contactos y Ubicaciones
Estudio Contacto
- Nombre: Laura A Berner, Ph.D.
- Correo electrónico: laura.berner@mssm.edu
Copia de seguridad de contactos de estudio
- Nombre: Sila Sozeri, B.A.
- Número de teléfono: (212) 201-2679
- Correo electrónico: sila.sozeri@mssm.edu
Ubicaciones de estudio
-
-
New York
-
New York, New York, Estados Unidos, 10027
- Reclutamiento
- Center for Computational Psychiatry at the Icahn School of Medicine at Mount Sinai
-
Investigador principal:
- Laura A. Berner
-
-
Criterios de participación
Criterio de elegibilidad
Edades elegibles para estudiar
Acepta Voluntarios Saludables
Géneros elegibles para el estudio
Descripción
Inclusion criteria:
- Female
- Aged 18 to 45 years
- Meet diagnostic criteria for bulimia nervosa
- Current body mass index greater than or equal to 18.5kg/m2 but under 30kg/m2
- English-speaking
Exclusion criteria:
- Ongoing medical treatment, major medical condition, or psychiatric disorder that may interfere with study variables or participation
- Current psychotherapy focused primarily on eating disorder symptoms
- Pregnancy or planned pregnancy, or lactation during the study period
- Allergy to ingredients in the standardized meal or in the shake
Plan de estudios
¿Cómo está diseñado el estudio?
Detalles de diseño
- Propósito principal: Otro
- Asignación: Aleatorizado
- Modelo Intervencionista: Asignación paralela
- Enmascaramiento: Doble
Armas e Intervenciones
Grupo de participantes/brazo |
Intervención / Tratamiento |
|---|---|
|
Experimental: Real fNIRS Neurofeedback Arm
Participants assigned to the experimental arm will see their true, real-time brain activation (i.e., active real-time neurofeedback) during the neurofeedback session. This activation will be displayed to the participant as a thermometer that will increase as brain activation in the target region increases. |
Participants will be instructed to use real-time fNIRS neurofeedback to non-invasively regulate neural activation associated with symptoms in individuals with bulimia nervosa. During the training, participants will view images on a computer screen, listen to sounds, and consume a shake. |
|
Comparador falso: Sham-Control fNIRS Neurofeedback Arm
Participants assigned to the sham-control arm will see false feedback (or a fake signal) that is not connected to their right vlPFC activation during the neurofeedback session. |
Participants will be instructed to use sham real-time fNIRS neurofeedback to non-invasively regulate neural activation associated with symptoms in individuals with bulimia nervosa. During the training, participants will view images on a computer screen, listen to sounds, and consume a shake. |
¿Qué mide el estudio?
Medidas de resultado primarias
Medida de resultado |
Medida Descripción |
Periodo de tiempo |
|---|---|---|
|
Functional near-infrared spectroscopy (fNIRS)-measured neural activation and connectivity
Periodo de tiempo: approximately 1 hour
|
The investigators will evaluate changes in PFC neural activation and connectivity as a function of neurofeedback. |
approximately 1 hour
|
|
Go/no-go task performance
Periodo de tiempo: 2 weeks
|
Participants will complete a go/no-go task 1 week before and 1 week after the neurofeedback session to measure inhibitory control. Participants behavioral performance on the go/no-go task will be determined by the percentage of incorrect responses made as they are prompted to react to different pictorial stimuli. Participants' percentages of error can range from 0% to 100%. A higher percentage indicates a lower behavioral performance on the task. |
2 weeks
|
|
Number of loss-of-control eating and purging episodes
Periodo de tiempo: 2 weeks
|
Frequency of loss-of-control eating and purging episodes. Participants will self-report on how often loss-of-control eating and purging episodes occur using electronic daily diaries in the week before and the week after the neurofeedback session. |
2 weeks
|
|
Severity of loss-of-control eating scale
Periodo de tiempo: 2 weeks
|
Severity of loss-of-control eating. Participants will rate the severity of their feelings of control over eating and purging episodes on a Likert-type scale from 0-10. Higher score indicates greater severity of loss of control. |
2 weeks
|
Colaboradores e Investigadores
Patrocinador
Investigadores
- Investigador principal: Laura A Berner, Ph.D., Icahn School of Medicine at Mount Sinai
Fechas de registro del estudio
Fechas importantes del estudio
Inicio del estudio (Actual)
Finalización primaria (Estimado)
Finalización del estudio (Estimado)
Fechas de registro del estudio
Enviado por primera vez
Primero enviado que cumplió con los criterios de control de calidad
Publicado por primera vez (Actual)
Actualizaciones de registros de estudio
Última actualización publicada (Actual)
Última actualización enviada que cumplió con los criterios de control de calidad
Última verificación
Más información
Términos relacionados con este estudio
Términos MeSH relevantes adicionales
Otros números de identificación del estudio
- GCO 21-2078
Plan de datos de participantes individuales (IPD)
¿Planea compartir datos de participantes individuales (IPD)?
Descripción del plan IPD
Individual participant data that underlie the results reported in this article, after deidentification (text, tables, figures, and appendices).
Marco de tiempo para compartir IPD
Immediately following publication and ending 5 years following article publication.
Criterios de acceso compartido de IPD
Researchers who provide a methodologically sound proposal to achieve aims in the approved proposal. Proposals should be directed to laura.berner@mssm.edu. To gain access, data requestors will need to sign a data access agreement. Data are available for 5 years after article publication via direct request to the investigator.
Tipo de información de apoyo para compartir IPD
- SAVIA
Información sobre medicamentos y dispositivos, documentos del estudio
Estudia un producto farmacéutico regulado por la FDA de EE. UU.
Estudia un producto de dispositivo regulado por la FDA de EE. UU.
Esta información se obtuvo directamente del sitio web clinicaltrials.gov sin cambios. Si tiene alguna solicitud para cambiar, eliminar o actualizar los detalles de su estudio, comuníquese con register@clinicaltrials.gov. Tan pronto como se implemente un cambio en clinicaltrials.gov, también se actualizará automáticamente en nuestro sitio web. .