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The purpose of this study is to determine whether real-time fMRI feedback is effective in the treatment of aggressive behavior problems in adolescents with high callous unemotional traits when compared to treatment as usual.
In this study, which is part of the European research project MATRICS (Multidisciplinary Approaches to Translational Research), the investigators focus on testing an innovative, non-pharmacological therapeutic approach for adolescents with a specific, difficult to treat subtype of aggressive behavior problems. Participants will be trained to acquire control over their own physiological parameters, in case of this study the activation of certain brain areas. While trying to control these parameters, participants get direct continuous feedback about their physiological state and its changes, and are rewarded for successful manipulation. Biofeedback methods are currently used to treat patients with a variety of psychiatric disorders such as attention-deficit/hyperactivity disorder (ADHD).
Here, real-time functional magnetic resonance imaging (rt-fMRI) feedback will be used, where participants will get feedback about activation levels and patterns from brain regions associated with emotion processing (amygdala/insula) in almost real time while lying in a magnetic resonance tomograph scanner.
Investigators will focus on the following questions concerning the effectiveness of this treatment approach:
1. Can participants gain increasing control over the activation of defined brain regions through real-time fMRI training?
2. Which short- and longer term consequences can be expected from improved self control over brain activation upon aggressive and antisocial behavior problems?
Before the training, all participants will undergo an extensive pre-treatment assessment as part of the characterization and subtyping of aggression within the large multicenter subtyping studies (EU-Aggressotype and EU-MATRICS). The assessment includes clinical and psychometric measures, neuropsychological testing, fMRI (3 active tasks + resting state), MRS (anterior cingulate cortex (ACC) and insula) and diffusion tensor imaging (DTI) as well as biosampling (blood/saliva for genetics/epigenetics/hormones). Comparison with a typically developing (TD) control group receiving no intervention will allow to interpret changes in terms of normalization or compensation.
After completion of this pretest, subjects meeting the inclusion criteria for the rt-fMRI treatment study will be randomly assigned to two different treatment arms, either to the experimental fMRI real-time feedback condition or to the comparator condition with treatment as usual (TAU) lasting 10 weeks. Subjects assigned to the experimental condition will receive 10 sessions (1/week) of real-time fMRI feedback of amygdala and/or insula activation (based on activation patterns during pre-training assessment). Each training will last about 1 1/2 hours and consist of 3 experimental blocks, including feedback- and transfer trials. Video clips of emotional and aggressive interpersonal interactions will partly be used to enrich feedback conditions with naturalistic, virtual reality type displays. Heart rate and electrodermal activity will be recorded simultaneously during the sessions. Subjects in the comparator TAU arm will receive several sessions of psychoeducation and counseling with their parents/caregivers or group training over the 10 weeks.
After completion of either the training or the TAU, subjects will undergo post-treatment assessment, repeating the teachers and parents reports on behavioral measures, as well as the neuropsychological testing, fMRI and MRS. A follow-up assessment will take place 6 months after the end of the treatment phase and will comprise only parents and teachers reports on behavioral measures.
Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Treatment
Real-time fMRI feedback, Treatment as usual
Department of Child and Adolescent Psychiatry and Psychotherapy, CIMH Medical Faculty Mannheim/ Heidelberg University, Mannheim,
Not yet recruiting
Central Institute of Mental Health, Mannheim
Published on BioPortfolio: 2015-09-30T08:38:21-0400
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