EEG recordings revealed that reindeer's brainwaves during rumination resemble the brain waves present during non-REM sleep, and these brainwave patterns suggest that the reindeer are more "rested" after ruminating.

Source: https://phys.org/news/2023-12-reindeer-cud-strategy-summer.html

Emotiv advertises its brain-wave device as having the ability to detect and monitor various internal conditions – from stress to relaxation to excitement – based on the EEG readings.

Source: https://www.stabroeknews.com/2023/09/17/news/regional/hands-off-my-brainwaves-latin-america-in-race-for-neurorights/

However, an EEG is not a comprehensive test for complete brain activity.

Source: https://catholicmessenger.net/2023/04/evaluating-the-definition-of-brain-dead/?utm_source=rss&utm_medium=rss&utm_campaign=evaluating-the-definition-of-brain-dead

"In addition to the CT, CTA, and MRI tests ruling out a stroke, his EEG test results came back normal, with no evidence of seizures," the senator's office said.

Source: https://www.independent.co.uk/tv/news/hospital-pennsylvania-stroke-john-fetterman-b2280426.html

The Ceribell System has an EEG headband that is placed on the patient which is connected to a pocket-sized EEG display and recorder.

Source: https://ktar.com/story/5539839/a-leap-forward-abrazo-health-1st-in-phoenix-area-to-use-ai-system-to-detect-seizures/

The Ceribell System has an EEG headband that is placed on the patient which is connected to a pocket-sized EEG display and recorder.

Source: https://ktar.com/story/5539839/a-leap-forward-abrazo-health-1st-in-phoenix-area-to-use-ai-system-to-detect-seizures/

This is because EEG waves can differ significantly between people.

Source: https://www.mirror.co.uk/news/world-news/incredible-new-mind-reading-technology-31692831

“This research represents a pioneering effort in translating raw EEG waves directly into language, marking a significant breakthrough in the field,” computer scientist Chin-Teng Lin from UTS.

Source: https://brobible.com/culture/article/scientists-create-mind-reading-ai-without-implants/