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Biofeedback - Types and System

Published on Dec 20, 2022 and last reviewed on Jan 19, 2023   -  4 min read


Biofeedback is a method of enhancing the capacity to alter unconscious processes consciously. It is one of the relaxation techniques. Read on to know more.


Controllable voluntary motions include hand and leg movements. The nervous system automatically regulates other bodily functions, including blood pressure, skin temperature, and heart rate. Nobody is unaware of the possibility of raising the heart rate. Simply said, it occurs in reaction to the surroundings, such as when someone is anxious, euphoric, or working out.

One method for increasing control over these often unconscious activities is biofeedback. It is a therapy used to help cure or prevent diseases, including migraine headaches, chronic pain, incontinence, and high blood pressure.

What Is Biofeedback?

  • A mind-body therapy called biofeedback can enhance both physical and emotional wellness.

  • A practitioner will utilize painless sensors to assess certain body functions during a biofeedback session.

  • After viewing the findings on a screen, users may experiment with ways to alter them.

  • One will eventually be able to adapt without the tools with practice.

  • Users can address health issues and gain better control over some bodily systems with the assistance of this knowledge.

  • The concept behind biofeedback is that people may have more control over their health by using the power of their minds and becoming aware of what is happening within their bodies.

  • Depending on the characteristic of interest, biofeedback is divided into two broad categories:

    • Biomechanical.

    • Physiologic.

  • Simple inertial or more sophisticated video motion sensors are used in biomechanical approaches to monitor bodily activity and movement.

What Is the Goal of Biofeedback Therapy?

The purpose of biofeedback is to alter the body subtly so that the desired consequence occurs. It could entail relaxing specific muscles, a slower heartbeat, or lessening discomfort.

What Are the Types of Biofeedback?

Depending on the health issues and objectives, the doctor or therapist may employ various biofeedback techniques.

  1. Electrocardiograph (ECG): This type of electrocardiograph (ECG) combines earlobe or finger sensors with a tool that measures changes in blood volume (photoplethysmography). Alternatively, sensors that detect the heart rate and how it fluctuates might be attached to either wrist, lower torso, or chest.
  2. Electromyograph (EMG): This kind employs an electromyograph (EMG) to detect the electrical activity that results in muscle contraction by putting sensors over your skeletal muscles.
  3. Electrodermograph (EDG): It detects the activity of the sweat glands. Electrodermograph (EDG) sensors fitted around your fingers, palm, or wrist assess the amount of sweat on your skin and the activity of your sweat glands, alerting you to worry.
  4. Continuous Glucose Monitors (CGMs): Patients with type 2 diabetes (T2D), and even those with prediabetes, are increasingly able to use continuous glucose monitors (CGMs) as a real-time biofeedback and behavior modification tool. This study investigates if self-monitoring of glucose levels, or biofeedback, influences individuals' health behaviors who are not diabetic (for example, eating, nutrition, and exercise). This study uses wearable continuous glucose (CGM) technology, giving participants individualized input to monitor their blood glucose levels.
  5. Analysis of Gait: During a strenuous walking exercise, knee-kinetic biofeedback can prompt immediate improvements in gait characteristics. Visual knee-kinetic biofeedback methods may help correct gait irregularities during demanding jobs after complete knee replacement (TKA). The many signals that define the human stride are recorded using several sensors. These include active markers, extensometers, goniometers, magnetometers, force sensors, gyroscopic sensors, accelerometers, electromyography, and magnetometers.
  6. Temperature Gauges: Blood flow to human skin is measured by sensors affixed to either fingers or feet. Because stress frequently causes a drop in body temperature, a standard measurement may serve as a signal to start relaxing measures.
  7. Polysomnography: It tracks individual sleep cycles and stages to determine whether and when overall sleep patterns are disturbed and when and why. Home testing equipment for sleep apnea comes in various designs and configurations. They often keep track of their heart rate, oxygen levels, breathing rate, and airflow. Biofeedback stimulation methods for preventing bruxism while sleeping (SB).

What Is a Biofeedback System?

Hospitals, medical facilities, and physical therapy clinics provide biofeedback training. There are also an increasing number of biofeedback products and services available for home usage, such as

  1. Interactive Software or Portable Electronics - Some biofeedback devices use one or more sensors connected to either fingers or ears to detect physiological changes in the human body, such as heart rate activity and skin changes. The sensors are computer plug-ins.

  2. The Gadgets - They assist in managing stress by pacing one's breathing, relaxing muscles, and creating encouraging thoughts about their capacity to handle situations. It works effectively at enhancing reactions to stress and bringing about emotions of serenity and well-being.

  3. Headband - Wearing a headband that measures human brain activity while meditating is another form of biofeedback treatment. In order to teach users how to regulate their stress reaction, it employs noises to let them know when their mind is peaceful and when it is busy. One may track the development over time by storing the data from each session on any computer or mobile device.

  4. Wearable Technology - Includes strapping a sensor around the waist to measure breathing patterns and monitor breathing. The application can notify users if they experience persistent stress and provides guided breathing exercises to aid in calming down.

Can Biofeedback Aid in Weight Loss?

  • With biofeedback, anyone can begin addressing these issues and simply monitor their progress, reducing stress and anxiety and setting the stage for them to lose weight.

  • Laying out is an essential adjustment in lifestyle.

  • Planning sustainable lifestyle changes are necessary to accomplish anything long-lasting, and biofeedback is the ideal tool.

  • By highlighting the components of one's life that require adjustment, one may get started on the adjustments right now.

  • Having good glucose levels during sleep hours affects sleep quality and recovery. Utilize the nocturnal glucose insights to improve these levels.

  • The glucose fluctuations can determine metabolic fitness. The metabolism provides information on the capacity to burn fat, energy level, risk of metabolic disorders, athletic performance, and sexual health.

  • In the globe, metabolic disorders, including diabetes, hypertension, PCOS, and obesity, account for 85 % of all chronic illnesses.

  • Bathroom scales and smartwatches are also biofeedback types that give us the data required to track the progress in weight loss transformation. Without proper tracking and accountability, one cannot progress toward their goal.

  • So, to answer the above question, yes, biofeedback is helpful in weight loss.


Biofeedback is based on "mindfulness." By paying attention to how one's body reacts to stresses and other stimuli, anyone may alter their health with the right strategies. With techniques that can aid everyone in achieving health and balance physically and psychologically, biofeedback can help them through it.


Last reviewed at:
19 Jan 2023  -  4 min read




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