Short-latency somatosensory evoked potentials in degenerative and vascular dementia.
Short-latency somatosensory evoked potentials (SEPs) were recorded from 54 patients with dementia as compared to 32 age-matched controls. SEPs were generally normal in patients with senile dementia of Alzheimer type, while patients with multi-infarct dementia showed a prolonged central conduction time, an increased latency of both N13 and N20 and a reduction of the primary cortical response amplitude. These findings suggest that recording SEPs may be useful in the differential diagnosis between degenerative dementia and multi-infarct dementia.
D000328:Adult; D000368:Aged; D000544:Alzheimer Disease / Q000175:diagnosis*; D001284:Atrophy; D002540:Cerebral Cortex / Q000473:pathology; D002544:Cerebral Infarction / Q000175:diagnosis; D002561:Cerebrovascular Disorders / Q000175:diagnosis*; D003704:Dementia / Q000175:diagnosis*; D003937:Diagnosis, Differential; D004569:Electroencephalography; D005073:Evoked Potentials, Somatosensory; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009431:Neural Conduction; D011930:Reaction Time; D014057:Tomography, X-Ray Computed