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Duration Of Posttraumatic Amnesia Predicts Neuropsychological And Global Outcome In Complicated Mild Traumatic Brain Injury., Tessa Hart, Thomas A. Novack, Nancy Temkin, Jason Barber, Sureyya S. Dikmen, Ramon Diaz-Arrastia, Joseph Ricker, Dale C. Hesdorffer, Jack Jallo, Nancy H. Hsu, Ross Zafonte

Department of Neurosurgery Faculty Papers

OBJECTIVES: Examine the effects of posttraumatic amnesia (PTA) duration on neuropsychological and global recovery from 1 to 6 months after complicated mild traumatic brain injury (cmTBI).

PARTICIPANTS: A total of 330 persons with cmTBI defined as Glasgow Coma Scale score of 13 to 15 in emergency department, with well-defined abnormalities on neuroimaging.

METHODS: Enrollment within 24 hours of injury with follow-up at 1, 3, and 6 months.

MEASURES: Glasgow Outcome Scale-Extended, California Verbal Learning Test II, and Controlled Oral Word Association Test. Duration of PTA was retrospectively measured with structured interview at 30 days postinjury.

RESULTS: Despite all having a …

Naïve Beliefs About The Natural World In A Case Of Childhood Onset Amnesia, William Winter

Publications and Research

The individual profiled here (M.S.) suffered an episode of severe oxygen deprivation (anoxia) at the age of eight, damaging memory relevant structures in the mid-temporal lobes, including the hippocampus bilaterally. The resulting anterograde amnesia was characterized by profound deficits in autobiographical memory, but also a compromised ability to acquire new facts and information (semantic memory), resulting in the formation of idiosyncratic and naïve beliefs about the natural world that have persisted into his adult years. This article presents an interview with M.S. in which many of these idiosyncratic beliefs are detailed, and argues that they can be broadly viewed as …