Eligibility criteria
Depression, Anxiety, dementia, traumatic brain injury
Inclusion criteria:Diagnosis of an ABI ≥ 18 years oldAbility to speak and comprehend EnglishMinimum 3 months post-ABILow mood/reduced activity level, identified by either:Scoring 7 or above on the Hospital Anxiety and Depression Scale-Depression subscale (HADS-D [Clinician report (i.e., through clinician’s own administration of the HADS-D within the past 3 months or clinical interview indicating a client has low mood/could benefit emotionally from increased activity level).Exclusion criteria:Incapable of attending to and/or understanding the intervention materialsDiagnosis of dementia or other neurodegenerative disorderUnstable psychotropic medication (i.e., started/changed medications in past 6 weeks)Active suicidality (i.e., attempted suicide in past 3 months, currently self-harming, and/or had suicidal intentions for near future)Individuals with mild traumatic brain injury were not excluded from accessing the trial provided a confirmation of diagnosis from medical records. In the protocol [