Encephalitis research Research currently recruiting Evaluating Brief Behavioural Activation for depression in adolescents with acquired brain injury: A single-case experimental protocol Chief Investigator: Conor O’Brien, Trainee Clinical Psychologist, University of Exeter, UK Research Supervisors: Professor Anna Adlam and Dr Jennifer Limond Honorary Research Assistants: Sophie Walmsley, Horatio Price and Janelle Lin Overview It is common for young people who have had an acquired brain injury (ABI) to experience symptoms of low mood, which affects their quality of life and participation at home, school, and with friends. In this study, we want to see whether Brief Behavioural Activation – a behavioural intervention that has been shown to be effective for treating low mood in adolescents – can be used to treat low mood in adolescents with ABI too. We would like to invite young people between the ages of 12-18 who have had experience of ABI to be screened for low mood to see if they would be eligible for this study. If eligible, the young person will receive 8 sessions of Brief Behavioural Activation over a 6-week period, followed by a follow-up session 4 weeks after completing the intervention. All of the contact with the researcher will be using live online video, in light of the recent COVID-19 outbreak. During the intervention, the young person will be asked to complete daily brief questionnaires as part of the intervention, which should take no more than 5 minutes. These can be completed on a computer, on a smartphone, or using paper documents. Participants will also complete some routine measures to check in on their progress. Each eligible participant who has completed the full intervention will receive a £50 Amazon voucher as a thank-you for your time and effort. If you are interested in learning more about the study, please read the following information sheets for further details: Participant information sheet for parents and older adolescents Participant information sheet for younger adolescents Interested in taking part? If you are interested in taking part and finding out more about the study, you are invited to contact the chief investigator, Conor O’Brien, by e-mailing [email protected] The chief investigator can then contact you to tell you more about what is involved in the study and answer any questions that you may have, before sending you consent forms and setting up a screening appointment. Please note that the intervention will be delivered over live online video, so will comply with social distancing guidelines.