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Altered baseline blood volume and the norepinephrine response to stress in humansA hypothesis is proposed that a primary physiological purpose of the neural and endocrine response to stressors is the preservation of the blood volume/blood pressure relationship. Changes in blood volume caused by an adaptation to the environmental challenge serve to modulate the neural and endocrine responsiveness to stress. Relationships between changes in vascular volume, vasoconstriction, and norepinephrine (NE) responses during acute and chronic exposure to various stressors are examined. It is noted that the hypothesis is based on numerous observations rather than definitive cause-effect experiments and further investigation is required to prove it.
Document ID
19930030126
Acquisition Source
Legacy CDMS
Document Type
Conference Proceedings
Authors
Vernikos, J.
(NASA Ames Research Center Moffett Field, CA, United States)
Convertino, V. A.
(NASA Kennedy Space Center Cocoa Beach, FL, United States)
Date Acquired
August 15, 2013
Publication Date
January 1, 1992
Publication Information
Publisher: Gordon and Breach Science Publishers
Subject Category
Aerospace Medicine
Accession Number
93A14123
Distribution Limits
Public
Copyright
Other

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