Our brain consists of millions and millions of so called neurons. These neurons all communicate with each other via electrical impulses. When we measure that electrical brain activity, we can see on an EEG (a device for measuring these electrical impulses) a wave pattern. So, these electrical impulses travel as a wave. That’s why we call them “brainwaves”.
There are several types of brainwaves, which differ in frequency and amplitude (and what a person is doing, e.g. reading or sleeping).
Theta brain waves are one of them. They belong to the slowest brainwaves and are the brainwave state of the subconscious mind.
Occurrence of Theta Waves
Theta waves mostly occur, when we aren’t actively thinking. They nearly always occur in sleep during dreams and in meditations. So, these activities all require some sort of non-verbal thinking, which is mostly shutting off the brain.
There is one exception to it, though. People, who are engaging in a creative activity such as painting, drawing, making music (either thinking of it or playing it on an instrument) have a lot of theta brain waves activity (and alpha waves). Creativity is a subconscious process and thus the mind has a lot of theta waves.
Importance of Theta Waves
Theta waves play a very important role in the human mind. They represent the subconscious mind and everything what has to do with it. Stressed out people spend too much time in the beta brain wave state of mind. This results into a huge deficit in alpha and theta waves (in other words, they were not able to have some time for themselves in order to relax). Consequences can be that the brain produces only little to no alpha and theta waves. People often experience this as not being able to really connect to their emotional selves or to their creativity, for example. Another phenomenon is the so called “Alpha Block”. There are theta brain waves and a lot of beta brain waves, but no alpha waves. Thus, subconscious material (unfulfilled creativity, memories, emotions and so on) cannot become conscious, since alpha waves work as a bridge between the two minds.
So, having a healthy amount of theta waves (and alpha waves) is necessary to be able to “access” our subconscious mind.
Theta waves do play a very important role in the human’s self-healing abilities and in (super-)learning.
Theta Waves in Meditation
Theta waves play a key role in meditation. When we start to shut off our busy minds and simply concentrate on either our breathing or on the mere fact that We Are (or on something else), the amount of beta brain waves reduces to a minimum and our brain produces a lot more alpha and theta waves. After some time, the meditator will access the theta state of mind, which is very exciting (in my opinion). Creativity and learning are enhanced and one might also “see” very personal pictures. In therapy, accessing a deep level of the theta mind can be very useful to treat difficult mental problems.
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