Unprecedented media coverage of concussion in sport has led to concerns regarding the potential negative effects of participation in contact sports. This lecture will provide an updated review of chronic traumatic encephalopathy (CTE), a condition alleged to be associated with the pathological effects of exposure to repetitive head impacts obtained in contact sports and in other contexts. The lecture will demonstrate that, despite the extensive media coverage, scientific findings from the study of CTE remain preliminary with little definitive information known about its epidemiology, cause, or the specificity of its clinical and neuropathological characteristics. The lecture will focus on the role that neuropsychology continues to play in advancing our knowledge of this controversial topic. There will also be a discussion on the influence of social media on the public’s (mis)perception of CTE.