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The clinical version dates to research in the 1960s and 1970s, when devices tracked heart rate variability, muscle tension and skin temperature to help people regulate what was once considered automatic.—
Samantha Agate,
Charlotte Observer,
3 July 2026 With more advanced cameras and larger data sets, involuntary behavior such as heart rate and skin flushness could also be tracked.—
Jacob Feldman,
Sportico.com,
3 July 2026 Researchers used devices that tracked heart rate variability, muscle tension, skin temperature and brain activity, so patients could learn to consciously influence processes once thought to be automatic.—
Samantha Agate,
Kansas City Star,
2 July 2026 Some breathe heavily, notice their heart rate going into overdrive and can even lose consciousness.—
Claire Cameron,
Scientific American,
2 July 2026 See All Example Sentences for heart rate