Gamma waves are a type of brain wave that have the highest frequency in the spectrum of brain waves. They typically oscillate between 30 Hz to 100 Hz, although some definitions might set the lower boundary at 25 Hz. Gamma waves are associated with high-level cognitive functioning, including processes such as perception, problem-solving, consciousness, and information processing. Research suggests that gamma waves are linked to various mental states, including heightened focus, learning, and memory formation.
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