Brainwaves are broken down into 4 main groups. Beta waves which we emit when we are in heightened emotional states. Alpha waves occur when we are moderately relaxed. This is also the state that we learn best in. Theta waves are generally reserved for states of meditations and light sleep. Delta waves are usually emitted while you are unconscious.
No.
Brainwave are the pattern of waves produced by brain. These waves can vary in their frequency and based on the frequency produced they are categorised as beta brainwaves, alpha brainwaves, theta brainwaves, delta brainwaves and gamma brainwaves. Brain will be at different state whilst producing different frequency.
Brainwaves in a crossword is usually "ideas."
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minds or thoughts
ideas
No.
Thoughts
no they dont!
ideas
ideas
idea