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Updated: Aug 4, 2026
11:26
Assessing Cerebral Autoregulation via Oscillatory Lower Body Negative Pressure and Projection Pursuit Regression
Published on: December 10, 2014
[Stable shifts in systemic arterial pressure in a controlled experiment with feedback]
Zhurnal Vysshei Nervnoi Deiatelnosti Imeni I P Pavlova
|November 1, 1979
Summary
This study developed a bio-feedback model to control arterial pressure (AP) in animals. The model enabled stable, directed changes in AP levels, suggesting a rearrangement of homeostatic mechanisms.
Area of Science:
- Physiology
- Neuroscience
- Biomedical Engineering
Context:
- Understanding autonomic nervous system regulation of cardiovascular function.
- Investigating biofeedback mechanisms for physiological control.
- Utilizing animal models for studying systemic arterial pressure dynamics.
Purpose:
- To develop and validate a biofeedback model for controlled manipulation of systemic arterial pressure (AP).
- To investigate the physiological responses and adaptive mechanisms during biofeedback-induced AP changes.
- To explore the relationship between AP regulation and wave periodicity.
Summary:
- Experiments with bio-control feedback, using electro-cutaneous stimulation, led to a model for stable, directed changes in arterial pressure (AP) in curarized rabbits and cats.
- Two reaction types were observed: stable AP level shifts with retention and a 'following' type reaction during learning.
- Stable AP shifts correlated with altered third-order AP wave periodicity, while heart rate remained unchanged, indicating homeostatic mechanism rearrangement.
Impact:
- Provides a novel biofeedback model for precise control of arterial pressure in experimental settings.
- Offers insights into the neural and physiological underpinnings of cardiovascular homeostasis.
- Suggests potential applications in understanding and managing conditions related to blood pressure regulation.
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