Introduction: Little is known about the effect of beliefs on whiplash-associated disorders. Objective: To assess population beliefs regarding whiplash injury, to assess expectation as a predictor of recovery; to explore symptom attribution (Study III); and, assess the relationship between the Whiplash Disability Questionnaire (WDQ) and self-assessed recovery. Materials and Methods: Canadian residents were surveyed about whiplash injury; a whiplash cohort was assessed for association between expectations of recovery and recovery; whiplash patients were examined to correlate auditory symptoms and cerumen occlusion; and, Whiplash patients were asked a global recovery question and results compared to the whiplash Disability Questionnaire (WDQ). Results: Beliefs about whiplash injury were more negative. Expectations of recovery from injury increases the recovery rate. Cerumen explains auditory symptoms in whiplash patients. Patients responding yes to the recovery question had a low WDQ score. Conclusions: Population beliefs, expectations of recovery and symptom attribution are important in whiplash-associated disorders. / Experimental Medicine

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Within the last decade, centerline rumble strips have become increasingly prevalent as a safety countermeasure on undivided roadways throughout the United States. Within the state of Georgia, nearly 200 miles of centerline rumble strips have been installed in an effort to address the severity and frequency of crashes involving the centerline. With several thousands of miles of new installations throughout the nation in the last decade, much literature on this subject is still being amassed. This paper will compile and summarize existing literature in order to provide a thorough overview of the latest information from around the United States regarding the safety, usage, and impacts of centerline rumble strips. Furthermore, this paper seeks to comprehensively determine the safety impacts of centerline rumble strips on undivided, rural highway facilities in the state of Georgia. This portion of the study will prepare an updated inventory of centerline rumble strip installations in Georgia and perform a before-after study using three methods: a direct before-after analysis, a comparison before-after analysis, and a comparative analysis. These analyses will incorporate data from crash databases, police records, and traffic records to produce results unique to Georgia. Lastly, this paper will determine the current status of centerline rumble strips and the potential short- and long-term safety, physical, and unintended effects of centerline rumble strips both in the state of Georgia and throughout the United States through a survey sent to all fifty state transportation agencies. Through literature compilation, safety analyses, and findings on the effects of centerline rumble strips, this paper will aid in the future of centerline rumble strips within Georgia and the United States.