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Related Experiment Videos

Cardiovascular responses as behavior.

B T Engel1, M I Talan

  • 1Laboratory of Behavioral Sciences, National Institute of Aging, National Institutes of Health, Gerontology Research Center, Baltimore, Md. 21224.

Circulation
|April 1, 1991
PubMed
Summary
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Exercise involves both physical movement and learned cardiovascular control. Monkeys demonstrated that heart rate adjustments during exercise can be trained behaviors, not just reflexes, offering new insights into exercise physiology.

Area of Science:

  • Physiology
  • Behavioral Neuroscience

Background:

  • Cardiovascular adjustments during exercise are typically viewed as automatic reflexes.
  • The role of learned behavior in modulating these physiological responses is less understood.

Purpose of the Study:

  • To investigate whether cardiovascular responses during exercise can be learned behaviors.
  • To determine if exercise and heart rate control can be dissociated and trained.

Main Methods:

  • Monkeys were trained to perform physical exercise and to voluntarily slow their heart rate.
  • Behavioral responses were assessed during exercise-only and combined exercise/heart rate control conditions.
  • Experiments were conducted during sympathetic and vagal blockade.

Main Results:

Related Experiment Videos

  • Monkeys successfully learned to combine exercise with voluntary heart rate slowing.
  • Some animals performed more physical work at slower heart rates, indicating dissociation.
  • These learned behaviors persisted even during pharmacological blockade of autonomic systems.

Conclusions:

  • Cardiovascular adjustments during exercise can be considered learned behaviors, not solely reflexes.
  • The nervous system can utilize available mechanisms to learn and perform these behaviors for rewards.
  • This suggests a greater role for behavioral learning in exercise physiology.