USF Sleep Center

Our Research in Sleep Disorders




National Institute on Disability, Independent Living, and Rehabilitation Research


Characterization and Treatment of Chronic Pain after Moderate to Severe Traumatic Brain Injury


Drs. Risa Nakase-Richardson, Cindy Harrison-Felix, and Jeanne Hoffman, Ph.D.

Project Period:





General Dynamics Information Technology Subcontract with Defense and Veterans Brain Injury Center, Defense Health Agency


Improved Understanding of Medical and Psychological Needs (I-MAP) in Veterans and Service Members with Chronic TBI.


Risa Richardson, Ph.D.

Project Period:



Journal Articles

Miles S, Silva M, Lang B, Hoffman J, Venkatesan U, Sevigny M, Nakase-Richardsons R. Sleep apnea and posttraumatic stress after TBI: a VA TBI Model System Study. Rehab Psychol, In Press

Adams RS, Ketchum JM, Nakase-Richardson R, Katz DI, Corrigan JD. Prevalence of Drinking within Low-Risk Guidelines during the First Two Years Following Inpatient Rehabilitation for Moderate or Severe Traumatic Brain Injury. Ameri J Physical Medicine and Rehabil, In Press.

Silva MA, Finn JA, Dillahunt-Aspillaga C, Stevens LF, Cotner B, Nakase-Richardson R. Development of the traumatic brain injury rehabilitation needs survey: A VA TBI model system study. Disability and Rehabilitation, Advance online publication. DOI: 10.1080/09638288.2021.1900930

Kowalski RG, Hammond FM, Weintraub AH, Nakase-Richardson R, Zafonte RD, Whyte J, Giacino JT. Recovery of consciousness and functional outcome in moderate to severe traumatic brain injury [published online ahead of print March 1, 2021]. JAMA Neurology, doi:10.1001/jamaneurol.2021.0084. PMID

Werner JK, Shahim P, Pucci JU, Lai C, Raiculescu S, Gill JM, Nakase-Richardson R, Diaz-Arrastia R, Kenney K. Poor sleep linked to neurodegeneration after mTBI. Sleep. Advanced online publication epub 06 December 2020.


Book or Book Chapters

Nakase-Richardson R, Silva M, Garcia A. Wittine L. Sleep Management after traumatic brain injury. In Zasler N, Katz D, Zafonte R (Eds), Brain Injury Medicine Third Edition, in press.

Miles, S. R., Brenner, L. A., Hammond, F. M., Neumann, D., Tang, X., Eapen, B. C. Nakase-Richardson, R. (2021). Response to letter to the editor about: “Posttraumatic Stress Disorder Symptoms Contribute to Staff Perceived Irritability, Anger, and Aggression after TBI in a Longitudinal Veteran Cohort: A VA TBI Model Systems Study”. Achieves of Physical Medicine and Rehabilitation.

Gootam, P. K., Kretzmer, T. S., McKenzie Hartman, T., Nakase-Richardson, R., Silva, M. A., & Bajor, L.A. (2019). Assessment and treatment of sleep in mild traumatic brain injury. In Eapen, B., & Cifu, D. (Eds.), Concussion: Assessment, Management, and Rehabilitation (pp. 77-88). Philadelphia, PA: Elsevier.

Nakase-Richardson, R., Silva, M. A., Garcia, A., & Wattine. L. (in press). Sleep management after traumatic brain injury. In Zasler, N. D., Katz, D. I., & Zafonte, R. D. (Eds.), Brain injury medicine (3rd ed.). demosMEDICAL/Springer.

Silva, M. A. (2021). Psychomotor vigilance test. In Reference Module in Neuroscience and Biobehavioral Psychology. Elsevier. doi: 10.1016/B978-0-12-822963-7.00046-3. Co-published (in press, due Jan 2023) in Kushida C. (Ed.), Encyclopedia of sleep and circadian rhythm disorders, (2nd ed.). Elsevier/Academic Press.


Published Abstracts

Garcia A, Wilde E, Tate D, Reljic T, Kenney K, Troyanskaya M, Agyemang A, Pogoda T, Walker W, Nakase-Richardson R. Obstructive Sleep Apnea Risk is Associated with Number of White Matter Hyperintensities, But History of Mild TBI Exposure is Not: Long-Term Impact of Military-Relevant Brain Injury Consortium – Chronic Effects of Neurotrauma Consortium (LIMBIC-CENC) Study. Oral presentation at SLEEP 2021; June 2021; Virtual Meeting.

Silva, M. A., Kanser, R. J., & O’Rourke, J. J. F. (2021, August 23-26). Performance validity testing in a telehealth modality and failure rate after mild versus moderate-to-severe traumatic brain injury: A Veterans Affairs TBI Model Systems study [Poster presentation]. 2021 Military Health System Research Symposium, Kissimmee, FL.

Moberg J, Royer A, Brennan E, Nakase-Richardson R. Outcomes of the suicidal ideation assessment protocol decision tree responses from the Tampa VA TBI Model Systems Research Study. Poster abstract accepted for: ACRM 2021; September 2021; Virtual Meeting.

Cotner BA, Ching D, Nakase-Richardson R, Murphy J, Martin A, Takagishi C, Kane G, Scott S, Hoffman JM. An environmental scan to identify current chronic pain treatment practices for persons with traumatic brain injury. Poster abstract accepted for: MHSRS 2021; August 23-26, 2021; Kissimmee, FL.

Cotner BA, Nakase-Richardson R, Gius BK, Fournier L, Watach AJ, Hoffman JM. Barriers to screening and diagnosis of obstructive sleep apnea during impatient traumatic brain injury rehabilitation. Poster accepted for: SLEEP 2021; June 2021; Virtual Meeting.