Biofeedback instruments are also used in certain types of therapy for things like pain and stress management or to improve attention or performance. When they are used for these applications the person from who the sensors are measuring needs to be able to get visual or auditory feedback indicating the changes that are happening. If the signal goes higher or lower the person gets a visual signal on the instrument or a computer that it may be connected to and or a sound that indicates the change. With this information and some coaching from a therapist, the person can learn to change the signal. They can learn to increase or decrease it using their mind.
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