biofeedback
/ˌbaɪoʊˈfiːdbæk/
noun
- A technique that uses electronic devices to measure and display information about a person's body functions (like heart rate or muscle tension) so they can learn to control them consciously.
- The therapist taught him biofeedback techniques to help manage his chronic headaches.
- She used biofeedback to lower her stress levels by watching her heart rate on a screen.
- Many athletes use biofeedback to improve their focus and control their breathing during competition.