Neuropsychological, MRI and EEG findings after very mild traumatic brain injury

Neuropsychological performance, magnetic resonance imaging (MRI) and electroencephalography (EEG) were investigated in 12 consecutive patients with very mild traumatic brain injury (MTBI) (Glasgow coma score 15) within 24 hours and 6 weeks after injury. The data were compared to 14 control subjects....

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Bibliographic Details
Published in:Brain injury 1999, Vol.13 (10), p.821-827
Main Authors: Voller, B., Benke, T., Benedetto, K., Schnider, P., Auff, E., Aichner, F.
Format: Article
Language:English
Subjects:
Adolescent
Adult
Amnesia - diagnosis
Amnesia - psychology
Biological and medical sciences
Brain Concussion - diagnosis
Brain Concussion - psychology
Diagnosis, Differential
Electroencephalography
Female
Head Injuries, Closed - diagnosis
Head Injuries, Closed - psychology
Humans
Injuries of the nervous system and the skull. Diseases due to physical agents
Magnetic Resonance Imaging
Male
Medical sciences
Neuropsychological Tests
Reference Values
Traumas. Diseases due to physical agents
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Summary:Neuropsychological performance, magnetic resonance imaging (MRI) and electroencephalography (EEG) were investigated in 12 consecutive patients with very mild traumatic brain injury (MTBI) (Glasgow coma score 15) within 24 hours and 6 weeks after injury. The data were compared to 14 control subjects. There was a significant impairment in neuropsychological performance (verbal memory, arithmetic abilities and psychomotor reaction time) at onset and after 6 weeks, whereas verbal fluency and non-verbal memory test revealed no significant differences matching the control values. In MRI scans, three patients showed traumatic lesions (slight epidural haematoma, haemorrhagic contusions and white matter lesions indicating diffuse axonal injury). In the EEG recordings, no generalized slowing or focal changes were found. Structural and functional impairment can be identified using neuroimaging and neuropsychological examination, even in very MTBI patients.
ISSN:0269-9052
1362-301X
DOI:10.1080/026990599121214