Aerobic Exercise and Cognitive Training Effects on Postconcussive Symptomology

Inclusion Criteria: * Must have history of at least one concussion (onset was at age 18 or later) * Ability to exercise at moderate to vigorous activity levels (defined as 50%-75% of the adjusted age-predicted maximum heart rate) * Experiencing persistent symptoms (persistent defined as, most days per week for at least 2 weeks since sustaining injury) resulting from concussion or head injury * Access to a smartphone and willingness to allow research staff to install application (and space to allow for installation) * Access to a treadmill to complete exercise outside of lab environment * Willingness to provide proof of concussion or head injury medical diagnosis * Willingness to provide contact information of individual to confirm persistent symptoms if medical diagnosis is unavailable * Willingness to be randomized into one of three groups Exclusion Criteria: * No history of concussion, head injury, or mild traumatic brain injury * Experiencing less than 3 persistent symptoms (persistent defined as, most days per week for at least 2 weeks since sustaining injury) * No access to a smartphone * No access to a treadmill * Too active (as defined by regular exercise most days per week for 30+ minutes over the past 3 months) * Unable or unwilling to comply to lab and home-based exercise prescription * Unable or unwilling to commit to full length of program * Incapable of performing moderately intensive aerobic exercise OR sustaining attention to screen for 20 minutes * Unwilling to be randomized to one of 3 groups * Unable to commute to and from UIUC campus * Already involved in regular weekly physical activity or cognitive training program * Had previously diagnosed mental health condition (e.g., Major Depressive Disorder, Generalized Anxiety Disorder) * Current involvement in litigation specific to injury