Mobile Dual-Task Brain and Balance Intervention for Concussion Recovery

Inclusion Criteria: * Adults aged 18 to 40 years * Self-reported history of sports-related concussion (SRC) or mild traumatic brain injury (mTBI) within the past 3 to 12 months * Meets criteria for mTBI based on a standardized screening method (e.g., Ohio State University TBI Identification Method) * Able to safely participate in light physical activity (e.g., walking) and simple cognitive tasks based on self-report and observational screening by the research team * Able to read and understand English (if applicable for study materials) * Able to provide informed consent * Has access to and is able to use a smartphone or mobile device to complete daily app-based activities Exclusion Criteria: * Age younger than 18 years or older than 40 years * History of moderate or severe traumatic brain injury * Concussion or mTBI occurring less than 3 months or more than 12 months prior to enrollment * Self-reported active medical disease or history of neurological or psychiatric conditions unrelated to concussion * Self-reported other medical conditions that would limit safe participation in light physical activity (e.g., walking or balance tasks) * Currently on prescribed medications that may significantly affect cognitive function, balance, neurological function, or safe participation in light physical activity * Inability to use a smartphone or mobile device required for study participation * Inability to read or understand English (as study materials and the mobile application are…