Cardiovascular and neuroendocrine responses to extended laboratory challenge.

  title={Cardiovascular and neuroendocrine responses to extended laboratory challenge.},
  author={Barbara S. McCann and Julie Carter and Michael Vaughan and Murray A. Raskind and Charles W Wilkinson and Richard C. Veith},
  journal={Psychosomatic medicine},
  volume={55 6},
The purpose of this study was to examine the effects of a 2-hour laboratory challenge on heart rate, blood pressure, catecholamines, and cortisol; and investigate the contribution of the physical act of speaking on both neuroendocrine and cardiovascular measures. Using a within-subjects design, 14 subjects were tested individually during two separate laboratory sessions. During one session, subjects engaged in two cognitively demanding tasks for 2 hours. During the other session, subjects… CONTINUE READING


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