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What are Brain Waves? Brain waves are electrical signals produced by cells in the brain called
neurons. Certain brain waves increase depending on what a person is
doing.
| Delta brain waves are the slowest of all your brain waves and usually increase when a person is fast asleep. |
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 Delta Brain Waves |
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| Theta brain waves are produced when someone has their eyes closed and they aren't really asleep but they aren't totally awake. |
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 Theta Brain Waves |
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| Alpha brain waves are produced when someone is in a state of relaxation or is daydreaming. |
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 Alpha Brain Waves |
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| Beta waves are fast brain waves and they are produced when a person is actively engaged in a mental activity. |
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 Beta Brain Waves |
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