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How many kinds of alpha brainwave music are there?
Four kinds: δ brain waves, which only appear during deep sleep; θ appears during light sleep; Alpha brain waves appear when you just sleep or wake up (that is, when you are half asleep and half awake); When you are awake, you will have beta brain waves, accompanied by the concentration you need to achieve.

Alpha brainwave is one of the four basic brainwaves. Oscillation 10 times per second on average. Among brain waves, alpha brain waves were first discovered. 1908, Dr. Hans Berg, an Austrian medical scientist, first made this discovery and called it alpha wave, because alpha ranked first in the ranking of Greek letters, which is the same as the English letter A. In the past hundred years, countless scientists have spent a lot of time studying alpha brain waves, so they have accumulated rich knowledge and conclusions about the basic research of alpha brain waves.

Extended data:

Functions of alpha brainwave music:

Whether adults or children listen to alpha brainwave music for a long time, brain waves will remain in the state of alpha wave activity. The potential ability buried deep in the right brain will be triggered continuously, and the neurotransmitter enkephalin in the brain will increase, and people will be full of vigorous energy at this time; Doing things will be in a highly concentrated state; Quick thinking and broad thinking when thinking about problems; Memorize things, never forget them, and remember them easily and naturally.

People whose brain waves are in alpha waves will have unlimited imagination and extraordinary creativity, and their brain reaction speed will be accelerated, and their reading level will be improved, thus their learning ability will be greatly improved; Relax, have a peaceful mind, have steady brain waves and improve sleep quality; When the brain wave is in alpha wave, the chemicals in the brain change, the blood circulation is smooth, and the digestive system and appetite are improved. People who have been in the state of alpha brain waves for a long time are easy to get along with others and understand the joys and sorrows of others, so their emotional intelligence has been improved unconsciously.

Baidu Encyclopedia-Alpha Wave Music