What Is a Biofeedback Device?

While biofeedback techniques like self-regulation and bodily control have been around for thousands of years, the term wasn’t coined until the late 1960s. Officially researched by Edmund Jacobson and Johann Schultz, the biofeedback device and therapy techniques are now used to help people relax and learn how to self-regulate in stressful situations.

Types of Biofeedback

Biofeedback is a mind-body technique that involves using visual and auditory feedback to teach an individual how to recognize the physical signs of stress and anxiety, including increased heart rate, rapid breathing, and muscle tension. By learning how to control these physical symptoms, people are better able to relax their minds and bodies to better cope with stress.

The goal of biofeedback is to make subtle changes to the body that result in a particular effect. This might include learning how to relax certain muscles, slow heart rate, or reduce feelings of pain. Other functions the individual learns to control with the help of a biofeedback device include:

• Blood flow
• Blood pressure
• Heart rate
• Muscle tension
• Pain sensation

There are various types of biofeedback to help individuals with various ailments learn how to cope. These types include:

Respiratory Biofeedback: This type of biofeedback involves wearing sensor bands around the chest and stomach to monitor breathing. With training, individuals can learn how to control their breathing in stressful or anxious situations.

Heart Rate Variability Biofeedback: With heart rate variability biofeedback, patients wear a device connected to sensors in either their ear, fingers, wrists, chest, or torso to monitor their heart rate. This particular technique can be useful for people with asthma and depression.

Galvanic Skin Response: Also known as skin conductance, this type of biofeedback involves measuring the amount of sweat on the surface of the skin. This is a useful indicator of emotional arousal and stimulation.

Blood Pressure Biofeedback: This type involves wearing a device that tracks the person’s blood pressure. These devices often guide the user through relaxation techniques that may include visual cues, breathing exercises, or music.

Thermal Biofeedback (Temperature Feedback): In thermal biofeedback, patients wear sensors that detect blood flow to the skin as well as their body temperature. Because body temperature tends to drop during times of stress, this technique can help the individual better detect what causes them stress.

Neurofeedback (EEG Biofeedback): Neurofeedback utilizes electroencephalography (EEG) to measure brain wave activity. This treatment has proven effective for people with attention–deficit/hyperactivity disorder (ADHD), pain, addiction, anxiety, depression, and other disorders.

Electromyography: With electromyography, sensors are placed at various points on the body and connected to an EMG device. This device then detects changes in muscle tension.

What Is a Biofeedback Machine?

Also called a serenity bed or biofeedback bed, a biofeedback device is a a place where patients lie down to receive treatment. The patient lays on the serenity bed with a screen in front of them. After they put on headphones, a calming voice instructs the individual on how to breathe and relax their muscles. The patient can see their breathing patterns represented on the screen as small circles that move up and down.

This is one of the grounding techniques that help patients to breathe through any discomfort. Then, a black-and-white image shows on the screen. Colors will pop up in the image as the person regulates their breathing. The calmer the breathing, the more colorful the picture. This provides a visual representation of the patient’s breathing to offer them more direction...

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