Document Detail

Time course of focal slow wave activity in transient ischemic attacks and transient global amnesia as measured by magnetoencephalography.
MedLine Citation:
PMID:  11059893     Owner:  NLM     Status:  MEDLINE    
In this longitudinal study multichannel MEG was used to localize and to quantify focal pathological spontaneous neuromagnetic activity in six patients with transient ischemic attacks (TIA) and two patients with transient global amnesia (TGA). Slow (2-6 Hz) and beta (14-30 Hz) activity were monitored up to 10 weeks. Results were compared with normative data, and changes over time were statistically analyzed. MEG detected pathological activity that persisted clinical symptoms. Focal slow activity originating from sensorimotor (TIA) and mesiotemporal (TGA) cortices exceeded normal values up to 14 times during the first hours after the attack and recovered to normal within 11 days. Focal beta activity was not useful to monitor the time course of TIA or TGA.
C Stippich; J Kassubek; H Kober; P Sörŏs; J B Vieth
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Neuroreport     Volume:  11     ISSN:  0959-4965     ISO Abbreviation:  Neuroreport     Publication Date:  2000 Oct 
Date Detail:
Created Date:  2001-01-29     Completed Date:  2001-02-08     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  9100935     Medline TA:  Neuroreport     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  3309-13     Citation Subset:  IM    
Department of Experimental Neuropsychiatry, University of Erlangen-Nürnberg, Germany.
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MeSH Terms
Aged, 80 and over
Amnesia / diagnosis,  physiopathology*
Brain / pathology,  physiopathology
Ischemic Attack, Transient / diagnosis,  physiopathology*
Magnetic Resonance Imaging
Middle Aged
Reference Values
Time Factors

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