Document Detail

Objective measurement of the alertness level in dementia.
MedLine Citation:
PMID:  12626854     Owner:  NLM     Status:  MEDLINE    
The alertness level of 143 patients with dementia was investigated. The patients were examined clinically and electroencephalographically, and the results were compared with 21 healthy volunteers. Regional brain syndromes were determined clinically. For the assessment of the EEG, a method was employed that distinguishes alertness-related slow wave activity from abnormal slow activity. The shifts of the EEG power were monitored during the 5-min examination. The short-term variations were considered to be caused by changes in alertness, whereas the basal level was supposed to reflect the EEG abnormality. It was found that a decrease in alertness occurred more often in the demented patients than in the controls. The intensity of this decrease was proportional to the degree of the dementia. The alertness disturbance was found to be particularly associated with the parietal brain syndrome.
Ake Edman; Martin Brunovsky; Magnus Sjögren; Anders Wallin; Milos Matousek
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Dementia and geriatric cognitive disorders     Volume:  15     ISSN:  1420-8008     ISO Abbreviation:  Dement Geriatr Cogn Disord     Publication Date:  2003  
Date Detail:
Created Date:  2003-03-10     Completed Date:  2003-07-07     Revised Date:  2008-03-24    
Medline Journal Info:
Nlm Unique ID:  9705200     Medline TA:  Dement Geriatr Cogn Disord     Country:  Switzerland    
Other Details:
Languages:  eng     Pagination:  212-7     Citation Subset:  IM    
Copyright Information:
Copyright 2003 S. Karger AG, Basel
Institute of Clinical Neuroscience, Section of Psychiatry, Göteborg University, Sahlgrenska University Hospital, Mölndal, Sweden.
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MeSH Terms
Aged, 80 and over
Brain / physiopathology*
Brain Mapping / methods
Case-Control Studies
Dementia / physiopathology,  psychology*
Middle Aged
Parietal Lobe / physiopathology
Severity of Illness Index

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