Abstract
This chapter explores that closed head injury (CHI) and associated traumatic brain injury (TBI) are becoming increasingly common in modern society. Faster motorized vehicles, bigger, stronger athletes, and the continued desire to push things to the extreme are just some of the many reasons that more individuals are affected by CHI now than in the past. The chapter discusses that TBI can be divided into three classes: mild, moderate, and severe. It reviews the classification scheme as it applies to all classes of head injury. It describes how neurophysiologic testing plays a role in assigning individuals into diagnostic categories and aids in the treatment of this group of patients. Often, due to cognitive deficits, these head injury patients do not get the care they need for their vestibular disorder. The chapter concludes that understanding how to best use technology to diagnose and treat these patients is critical in their management, and essential if hope to return these individuals to a normal life.