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Related Concept Videos

Blood Pressure01:30

Blood Pressure

Blood pressure (BP) is the pressure or force of blood exerted on the artery's walls as it circulates through the body. It is essential for maintaining blood flow throughout the body.
The average BP in an adult is typically around 120/80 mmHg (millimeters of mercury). In this measurement, the numerator (120) indicates the systolic pressure, which is the pressure in the arteries during the contraction of the heart's ventricles as blood is expelled. The denominator (80) represents the diastolic...
Assessment of blood pressure in brachial artery(two-step method)01:23

Assessment of blood pressure in brachial artery(two-step method)

Measuring blood pressure is a fundamental skill in healthcare that aids in diagnosing and monitoring hypertension and other cardiovascular conditions. An aneroid sphygmomanometer, commonly used in clinical settings, offers a manual and precise method for blood pressure measurement. The technique for using this instrument involves specific steps that must be carefully executed to ensure accuracy. The following detailed description outlines a two-step technique for assessing blood pressure using...
Blood Pressure01:24

Blood Pressure

The movement of blood in a human body, commonly referred to as blood flow, is determined by the volume of blood that traverses a certain section of the bodily system per unit time. It is the rhythmic contraction of the heart's ventricles that primarily instigates this movement. As the ventricles contract, blood is forced into the prominent arteries, which then flow from areas of greater pressure to lower pressure areas. This movement continues into smaller arteries and arterioles and...
Measurement of Blood Pressure01:17

Measurement of Blood Pressure

Assessing blood pressure is a standard procedure executed in virtually all medical environments. The method utilized today was established over a hundred years ago by an innovative Russian doctor, Dr. Nikolai Korotkoff. The soft ticking noise, known as Korotkoff sounds, heard while taking blood pressure readings results from turbulent blood flow within the vessels. The apparatus required for this procedure includes a sphygmomanometer, a blood pressure cuff attached to a gauge, and a stethoscope.
Neural Regulation of Blood Pressure01:18

Neural Regulation of Blood Pressure

The neural regulation of blood pressure involves intricate interactions between the autonomic nervous system (ANS) and cardiovascular system, ensuring adequate perfusion of tissues. This regulation primarily occurs through baroreceptor and chemoreceptor reflexes, involving both short-term and long-term mechanisms.
Baroreceptor Reflex
Baroreceptors, located in the carotid sinuses and aortic arch, detect changes in blood pressure. When blood pressure rises, these stretch-sensitive receptors...
Autoregulation of Blood Flow01:17

Autoregulation of Blood Flow

Autoregulation mechanisms are characterized by their inherent capacity for self-regulation without necessitating specific nervous stimulation or endocrine control. These mechanisms facilitate the adjustment of blood flow and, therefore, perfusion specific to each tissue region. This self-regulation encompasses chemical signals and myogenic controls.
Chemical Signaling in Autoregulation
Chemical signaling operates at the precapillary sphincter level, inciting either contraction or relaxation.

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Articles linked to this work by shared authors, journal, and citation graph.

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[Risk factors and some pathological features in relation to the type of brain neurodynamic pattern].

Vestnik Rossiiskoi akademii meditsinskikh nauk·1996
Same author

Physiological problems of biofeedback control of the pulse rate.

Neuroscience and behavioral physiology·1995
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[The biological action of physical factors in the critical periods of embryogenesis].

Zhurnal evoliutsionnoi biokhimii i fiziologii·1994
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[The role of the information diversity of physiological processes in the development of the adaptation and correction of the body's physiological status].

Fiziologicheskii zhurnal imeni I.M. Sechenova·1994
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[The physiological problems of biofeedback control by the heart rate].

Fiziologicheskii zhurnal imeni I.M. Sechenova·1994
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[Neurophysiologic mechanisms of ecologic stability: forecasting and biorhythm correction].

Vestnik Rossiiskoi akademii meditsinskikh nauk·1994

Related Experiment Video

Updated: Jul 24, 2026

Assessing Cerebral Autoregulation via Oscillatory Lower Body Negative Pressure and Projection Pursuit Regression
11:26

Assessing Cerebral Autoregulation via Oscillatory Lower Body Negative Pressure and Projection Pursuit Regression

Published on: December 10, 2014

Biofeedback control of systemic arterial pressure.

N N Vasilevskii1, Sidorov YuA, I M Kiselev

  • 1Scientific Research Institute of Experimental Medicine, Academy of Medical Sciences of the USSR, Leningrad.

Neuroscience and Behavioral Physiology
|May 1, 1992
PubMed
Summary

This study explored biofeedback for systemic arterial pressure regulation in animal models. Findings reveal adaptive processes linked to minimizing electrodermal reinforcement and changes in hypothalamic neuron activity.

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Area of Science:

  • Physiology
  • Neuroscience
  • Bioengineering

Background:

  • Systemic arterial pressure (AP) regulation involves complex central mechanisms.
  • Biofeedback offers a potential non-invasive method for modulating physiological parameters.
  • Understanding adaptive processes in AP control is crucial for therapeutic interventions.

Purpose of the Study:

  • To investigate the central mechanisms and potential of biofeedback for regulating systemic arterial pressure.
  • To examine adaptive responses during biofeedback-controlled AP shifts.
  • To correlate these adaptations with electrodermal activity and neuronal firing patterns.

Main Methods:

  • Experiments were conducted on cats, rabbits, and rats.
  • Biofeedback protocols were applied to induce shifts in systemic arterial pressure.
  • Electrodermal reinforcement levels were minimized during the experiments.
  • Impulse activity of hypothalamic neurons was monitored.

Main Results:

  • Adaptive processes were observed in response to biofeedback-induced AP changes.
  • Minimization of electrodermal reinforcement was associated with these adaptive shifts.
  • Changes in systemic arterial pressure were correlated with alterations in the bioelectrical structure of AP.
  • Modulation of impulse activity in hypothalamic neurons was noted.

Conclusions:

  • Biofeedback presents viable mechanisms for influencing systemic arterial pressure regulation.
  • Adaptive responses involve interplay between autonomic and central neural pathways.
  • Hypothalamic neuronal activity is a key component in biofeedback-mediated AP control.