Document Detail

Distribution of event-related potentials in patients with dementia.
MedLine Citation:
PMID:  8549434     Owner:  NLM     Status:  MEDLINE    
Distributions of the amplitudes and the latencies of N100, P200, N200, P300 and mismatch negativity (MMN) were studied. The P300 latency was delayed in patients with dementia of the Alzheimer type (DAT) and patients with vascular dementia (VD). The N200 latency was delayed on Pz in DAT patients, and on Fz in VD patients. MMN latency was delayed on Pz in DAT patients. The P300 amplitude was low on Pz in DAT patients. The N100 amplitude was low in VD patients on Pz. These findings show the difference in cerebral lesions between DAT and VD. We suggest that studies of P300 amplitude, N200 latency, MMN latency and N100 amplitude distribution would be useful in differential diagnosis in patients with dementia.
Y Yokoyama; K Nakashima; R Shimoyama; K Urakami; K Takahashi
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Electromyography and clinical neurophysiology     Volume:  35     ISSN:  0301-150X     ISO Abbreviation:  Electromyogr Clin Neurophysiol     Publication Date:  1995 Nov 
Date Detail:
Created Date:  1996-02-20     Completed Date:  1996-02-20     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  0327533     Medline TA:  Electromyogr Clin Neurophysiol     Country:  BELGIUM    
Other Details:
Languages:  eng     Pagination:  431-7     Citation Subset:  IM    
Division of Neurology, Faculty of Medicine, Tottori University, Yonago, Japan.
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MeSH Terms
Alzheimer Disease / physiopathology*
Brain / physiopathology
Case-Control Studies
Cerebrovascular Disorders / physiopathology
Dementia, Vascular / physiopathology*
Diagnosis, Differential
Event-Related Potentials, P300 / physiology
Evoked Potentials, Auditory / physiology*
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