Impaired sympathetic nervous system response to cognitive effort in early Alzheimer's Disease

S. Borson, R. F. Barnes, R. C. Veith, J. B. Halter, M. A. Raskind

Research output: Contribution to journalArticlepeer-review

26 Scopus citations

Abstract

Sympathetic nervous responses to a cognitive challenge and a physiologic stimulus (upright posture) were compared in 10 patients with early Alzheimer's Disease and a group of healthy older adults. Plasma catecholamine and cardiovascular responses to upright posture were similar in the two groups. However, sympathetic activation during mental effort was impaired in the patient group; this difference did not appear to be attributable to motivational factors. Alzheimer's Disease is associated with a defect in sympathetic nervous system function that is specifically linked to cognitive effort and appears early in the course of the disease.

Original languageEnglish (US)
Pages (from-to)M8-M12
JournalJournals of Gerontology
Volume44
Issue number1
DOIs
StatePublished - 1989

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