Behavioral stress from a cognitive task elicited changes in plasma catecholamines, heart rate, blood pressure, and systolic time intervals that significantly correlated with epinephrine and norepinephrine.
Observational
Behavioral stress
Relationship between plasma catecholamines and systolic time intervals
ABSTRACT We studied the relationship between sympathetic neuronal function and left ventricular performance during stress in humans by analysis of endogenous catecholamine levels and systolic time intervals. The results showed that performance on a stressful cognitive task was accompanied by changes in plasma catecholamines, heart rate (HR), blood pressure (BP), and systolic time intervals. The cardiovascular responses were significantly correlated with plasma levels of epinephrine (E) and norepinephrine (NE). The relationship between plasma catecholamines and systolic time intervals is thought to reflect sympatho‐adrenomedullary impact on left ventricular performance during stress.
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James A. McCubbin
University of North Carolina at Chapel Hill
James Richardson
Royal Botanic Garden Edinburgh
Alan W. Langer
University of North Carolina at Chapel Hill
Psychophysiology
University of North Carolina at Chapel Hill
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McCubbin et al. (Sat,) reported a observational. Behavioral stress was evaluated on Relationship between plasma catecholamines and systolic time intervals. Behavioral stress from a cognitive task elicited changes in plasma catecholamines, heart rate, blood pressure, and systolic time intervals that significantly correlated with epinephrine and norepinephrine.
synapsesocial.com/papers/6a22b2ebf1a51c21f70e0802 — DOI: https://doi.org/10.1111/j.1469-8986.1983.tb00910.x