Neuropsychology
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To estimate the incidence of olfactory dysfunction across traumatic brain injury (TBI) severity and decision-making deficits with regard to intracranial lesions' location and laterality. ⋯ Olfactory dysfunction is independent of TBI severity, showing improvements in one third of cases from 3- to 12-months postinjury. However, anosmia was related to TBI severity. There is evidence for marked decision-making deficits after TBI, all subgroups performed similarly and failed to develop an advantageous strategy over time.