Document Detail

Multi-channel magnetoencephalogram on Alzheimer disease patients.
MedLine Citation:
PMID:  19412977     Owner:  NLM     Status:  MEDLINE    
Magnetoencephalogram (MEG) recordings of 8 patients with advanced Alzheimer Disease (AD) and 9 normal individuals were obtained with a 122-channel whole head biomagnetometer SQUID (Superconductive Quantum Interference Device) to record the minute magnetic fields generated by the brain. The obtained MEG signals were analyzed using linear signal analysis techniques such as Fourier Transform in order to get the frequency distribution of MEG values. The obtained frequencies from all MEG sensors located outside the scalp of each subject were stored for evaluation. From this evaluation it was concluded that in patients with AD the dominant frequencies were significantly lower compared to normal individuals.
I Abatzoglou; P Anninos; I Tsalafoutas; M Koukourakis
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of integrative neuroscience     Volume:  8     ISSN:  0219-6352     ISO Abbreviation:  J. Integr. Neurosci.     Publication Date:  2009 Mar 
Date Detail:
Created Date:  2009-05-04     Completed Date:  2009-07-29     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101156357     Medline TA:  J Integr Neurosci     Country:  England    
Other Details:
Languages:  eng     Pagination:  13-22     Citation Subset:  IM    
Laboratory of Medical Physics, Medical School, Democritus University of Thrace, Dragana, 68100, Alexandroupolis, Greece.
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MeSH Terms
Aged, 80 and over
Alzheimer Disease / pathology*,  physiopathology*
Brain / physiopathology*
Brain Mapping
Fourier Analysis
Magnetoencephalography / methods*
Middle Aged

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