T L Strassburger

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We evaluate regional cerebral blood flow (rCBF) in 19 healthy elderly subjects, mean age 64 +/- 11 (SD, years), during a passive visual stimulus in which pattern-flash frequency was parametrically manipulated. Using goggles with a grid of red lights imbedded into each lens, we performed five positron emission tomography (PET) H2(15)O water scans on each(More)
BACKGROUND AND PURPOSE Advanced age and hypertension have each been associated with changes in brain morphology and cognitive function. To investigate the interaction of age and hypertension with structural brain changes and neuropsychological performance in otherwise healthy patients with essential hypertension, we compared young-old (ages 56 to 69 years)(More)
To test the cognitive effects of aging and apolipoprotein E (APOE) in individuals at high risk for Alzheimer's disease (AD), we assessed APOE genotypes and performance on a battery of neuropsychological tests in 41 non-demented, Down syndrome (DS) adults. Old DS subjects (ages 41-61 years) showed poorer memory and orientation scores than young DS adults(More)
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