Passive Neurosensory Reintegration Training as a Tool to Augment Mild Traumatic Brain Injury

Inclusion Criteria: 1. Adults aged 18 or older 2. Clear mechanism of injury (i.e., direct or indirect impact to head), or Any individual presenting with complaints of sudden (\<24h) onset neurosensory symptoms as characterized by hearing a noise, feeling a force, or having an unexpected neurosensory perception and unexplained by any other known etiology ("sudden neurosensory events" or SNEs) 3. Glasgow Coma Scale (GCS) score of 13-15 at the time of injury 4. Observed or reported focal signs at the time of injury (e.g., loss of consciousness, amnesia, or confusion) or neurosensory symptoms (e.g., dizziness, headaches, photo/phonophobia, fatigue, vision problems, sleep changes, mood changes, cognitive fog) lasting over 4 weeks to 3 months (sub-acute), or over 3 months (chronic) following brain injury Exclusion Criteria: 1. Any of the following: moderate to severe TBI characterized by penetrating head trauma, GCS \<13 at the time of injury, LOC \>30 minutes or PTA \>24 hours, subdural or epidural hemorrhage for most recent occurence 2. mTBI/SNE Group: History of 4 or more clinically diagnosed mTBIs that warranted emergent assessment in a hospital or emergency department setting Control Group: History of mTBI within the last 12 months or presence of mTBI-related symptoms at time of enrollment 3. Presence of severe aphasia 4. History of diagnosed psychiatric disorder or autoimmune/rheumatologic conditions prior to brain injury 1. Uncontrolled autoimmune/rheumatologic conditions including but not limited to Lyme, POTS, EDS, long COVID 2. Psychiatric disorders: including but not limited to severe depression, schizophrenia, lupus) 5. Documented neurological disorders (e.g., epilepsy, stroke, dementia) 6. Legally blind (characterized by a best-corrected visual acuity of 20/200 or less in the better eye or a visual field of 20 degrees or less) 7. History of tumor of the brain or central nervous system 8. Actively receiving vision therapy for current mTBI-related visual-impairment 9. Wards of the state or prisoners