Mild TBI Assessment & Rehabilitation

Inclusion Criteria: For TBI-positive veteran participants, to be randomized to either GOALS or TAU: * Ages 18+ * A history of mild TBI (as defined by DOD / VA; confirmed by medical records and in person Ohio State University TBI Instrument) * Chronic, stable phase of recovery (\>6 months from last post-concussive event) * Report of residual cognitive difficulties (1 moderate or severe cognitive symptom(s) on the Neurobehavioral Symptom Inventory (NSI)) that interfere(s) with daily function * Able and willing to commit to participate in training and assessments * If on psychoactive medications, must be stable on medications (\> 30 days) For the TBI-negative healthy veteran control group: * Ages 18+ * No history of any (mild to severe) TBI (as defined by DOD / VA; confirmed by medical records and in person Ohio State University TBI Instrument) * Able and willing to commit to participate in assessments * If on psychoactive medications, must be stable on medications (\> 30 days) Exclusion Criteria: For the TBI-positive veteran participants, to be randomized to either GOALS or TAU: * A history of moderate or severe TBI * Unstable medical, neurologic, or psychiatric condition, including severe cognitive dysfunction, or other reasons for being unable or unwilling to participate in study procedures (e.g., contraindications to MRI) * Ongoing illicit drug or alcohol abuse (AUDIT\>8) * Psychosis * Severe depression, anxiety or PTSD that precludes participation in research activit…