Relation of EEG alpha background to parietal lobe function in Alzheimer's disease as measured by positron emission tomography and psychometry.

Abstract:

:Fourteen patients with Alzheimer's disease were evaluated by psychometric testing, fluorodeoxyglucose positron emission tomography (PET), and EEG. They were divided into two groups according to the EEG findings. Group A (seven patients) had normal alpha backgrounds and group B (seven patients) had decreased alpha backgrounds. Group A had significantly higher WAIS Performance IQ scores (p = 0.005) than group B. Group A also had higher Weschler Memory Scale scores (p = 0.047) and parietal glucose metabolic rates (p = 0.038) than group B, but these differences are not statistically significant given the multiple comparisons made between the two groups. Relative intactness of parietal lobe function, as measured by psychometric testing and PET, appears to correlate with preservation of EEG alpha background. The EEG may be useful in assessing regional cortical involvement or the clinical stage in Alzheimer's disease.

journal_name

Neurology

journal_title

Neurology

authors

Sheridan PH,Sato S,Foster N,Bruno G,Cox C,Fedio P,Chase TN

doi

10.1212/wnl.38.5.747

subject

Has Abstract

pub_date

1988-05-01 00:00:00

pages

747-50

issue

5

eissn

0028-3878

issn

1526-632X

journal_volume

38

pub_type

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