Jessie Patterson, a Ph.D. candidate in audiology and hearing science, will defend her dissertation titled, "Determining the clinical performance of Dynamic Visual Acuity Test (DVAT) in the concussion assessment battery." Patterson's dissertation defense will begin at 10 a.m. on Monday, Nov. 28, in room 101 of the Barkley Memorial Center. Her advisors are Julie Honaker, Ph.D., CCC-A and Steven Barlow, Ph.D.