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Late neurobehavioural symptoms after mild head injury
N I Bohnen1, J Jolles, A Twijnstra
1Department of Neuropsychology and Psychobiology, University of Limburg, Maastricht, The Netherlands.
Abstract:
The present study examined whether patients (n = 11) with post-concussional symptoms (PCS) 12-34 months after mild head injury (MHI) performed less well on selected neuropsychological tests than patients with MHI without PCS (n = 11) and healthy controls (n = 11). Patients with PCS were individually matched with controls for the time elapsed after the injury, age, sex, education and IQ. There were no overall gross differences between the groups in cognitive functioning, except for an isolated deficit on a sustained attention task. Post-hoc analysis of results obtained with two behavioural rating scales showed that patients with higher ratings on a post-concussive/cognitive complaints scale performed less well on a sustained attention task than subjects with lower ratings.