Clinical Characteristics of Dementias That Occur Remotely After Traumatic Brain Injury in Retired Military Personnel

Inclusion Criteria

• •Cases (with a history of TBI):
• •1. Ages 50-95 years
• •2. History of traumatic brain injury of sufficient severity to have resulted in medical attention (ascertained via the Ohio State University TBI Identification Questionnaire-OSU TBI-ID, and based on DoD/VA criteria)
• •3. Residence in AFRH-Washington D.C. or the Veterans Home of California-Yountville
• •4. MMSE score ≥ 20
• •5. Capacity to provide consent to participate in research (assessment made by study physician)
• •6. Ability to read and write English
• •Controls (without a history of TBI):
• •1. Ages 50-95 years
• •2. No history of traumatic brain injury of sufficient severity to have resulted in medical attention (ascertained via the Ohio State University TBI Identification Questionnaire-OSU TBI-ID)
• •3. Residence in AFRH-Washington or the Veterans Home of California-Yountville
• •4. MMSE score ≥ 20
• •5. Capacity to provide consent or assent to participate in research
• •6. Ability to read and write English -