Hypsarrhythmia is an abnormal pattern that appears on an EEG test. This pattern shows up as a specific and recognizable pattern of tall, wide waves on top of the background. Share on Pinterest Getty ...

While nitrous oxide gas has been used recreationally and medically for more than 200 years - originally for its euphoric and then for its pain relieving and anesthetic properties - the mechanism ...

Researchers from Massachusetts General Hospital in Boston identified an electroencephalogram brain pattern that signals the loss and regaining of consciousness for patients under propofol anesthesia, ...

Jena, Germany, 1924: Working in near-isolation and with painstaking tediousness, the psychiatrist Hans Berger observes rhythmic electrical activity from the scalp of human subjects. He is convinced ...

Giridhar Kalamangalam does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations ...