Neurons can feel the pulse in the brain, study shows

As opposed to the sensory perception of the external world, interoception is the sensing of internal body signals, which informs the brain about the state of the body. Rhythmic bodily processes such as breathing, the heartbeat, ...

Biomedical technology

Q&A: Updating pulse oximeters

A portable device used to detect blood oxygen levels revolutionized the medical field 50 years ago and is now receiving essential updates.

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