Neurofeedback and Well-Being Among People With Co-Occurring Obsessive Compulsive Disorder and Post-traumatic Stress Symptoms

Post-Traumatic Stress Disorder Checklist for the Diagnostic and Statistical Manual of Mental Disorders, Fith Edition (PTSD Checklist for DSM-5 - Standard).

This measure evaluates symptoms of post-traumatic stress. Minimum score = 0 Maximum score = 80 Higher scores mean a worse outcome.

Time frame: The measure will be administered three intervals: 1) per-training, at the beginning of the study, 2) post-training, between 2-3 months later, following the completion of the training phase, 3) as a follow-up, 3 months after the post-training interval.

Dissociative Symptoms Scale (DSS)

This 20-item measure evaluates moderate to severe levels of dissociative symptoms in four main domains: depersonalization, derealization, gaps in awareness or memory, and dissociative reexperiencing symptoms. Scores range from 0-80, with higher scores indicating worse outcomes.

Time frame: The measure will be administered three intervals: 1) per-training, at the beginning of the study, 2) post-training, between 2-3 months later, following the completion of the training phase, 3) as a follow-up, 3 months after the post-training interval.

Yale-Brown Obsessive Compulsive Scale (Y-BOCS; with Checklist)

10-item measure evaluating severity of obsessive compulsive symptoms, with an accompanying checklist of symptom types. Scores range from 0-40 with higher scores indicating worse outcomes. Symptoms on the checklist are categorized, and indicate different OCD symptom clusters or sub-types that respondents may experience.

Time frame: The measure will be administered three intervals: 1) per-training, at the beginning of the study, 2) post-training, between 2-3 months later, following the completion of the training phase, 3) as a follow-up, 3 months after the post-training interval.

Difficulties in Emotion Regulation Scale (DERS)

36-item measure evaluating challenges with emotional regulation. Scores range from 36-180, with higher scores indicating worse outcomes.

Time frame: The measure will be administered three intervals: 1) per-training, at the beginning of the study, 2) post-training, between 2-3 months later, following the completion of the training phase, 3) as a follow-up, 3 months after the post-training interval.

The World Health Organization-Five Well-Being Index (WHO-5)

5-item measure evaluating overall well-being. Scores range from 0-25, with higher scores indicating better outcomes.

Time frame: The measure will be administered three intervals: 1) per-training, at the beginning of the study, 2) post-training, between 2-3 months later, following the completion of the training phase, 3) as a follow-up, 3 months after the post-training interval.

Patient Health Questionnaire - 8 (PHQ-8)

8-item measure evaluating depressive symptoms. Scores range from 0-24, with higher scores indicating worse outcomes.

Time frame: The measure will be administered three intervals: 1) per-training, at the beginning of the study, 2) post-training, between 2-3 months later, following the completion of the training phase, 3) as a follow-up, 3 months after the post-training interval.

GAD-7

7-item measure evaluating anxiety symptoms. Scores range from 0-21, with higher scores indicating worse outcomes.

Time frame: The measure will be administered three intervals: 1) per-training, at the beginning of the study, 2) post-training, between 2-3 months later, following the completion of the training phase, 3) as a follow-up, 3 months after the post-training interval.

Everyday Discrimination Scale

9-item measure evaluating experiences of discrimination. Scores range from 9-54, with higher scores indicating more frequent experiences of discrimination.

Time frame: The measure will be administered three intervals: 1) per-training, at the beginning of the study, 2) post-training, between 2-3 months later, following the completion of the training phase, 3) as a follow-up, 3 months after the post-training interval.