Saturday, June 24, 2006

How watching a DVD can change your brain

Imagine you’re sitting in a comfortable chair watching a DVD movie, perhaps a romantic comedy, a travel show, or a documentary. Now, imagine you have 5 wires attached to your head that you barely even notice. The wires are connected to a computer and you are looking at the monitor enjoying the show. You are wearing a special pair of glasses that have 4 LED colored lights around the edges of each one. The lights are flickering gently, and it does not interfere with the movie. You notice that the movie is starting and stopping periodically, but its not all that annoying since you were told at the start this would be happening. After a while you realize you are totally engrossed in the film, even more so than if you were watching it in a theater. Time goes by fast, and before you know it, 30 minutes have elapsed and the session has ended.

You feel relaxed, mellow, calm. Nothing dramatic exactly, but it’s a good feeling. Its subtle, but something inside feels different. Its hard to put words to it. Your brain just got trained to reduce amplitude power and amplitude variability. Sounds technical, but the movie was stopping every time your brain had a surge of amplitude.

Just like ocean waves, brain waves have different heights. When the brain waves being measured gets too high in power, it shuts the movie off. Since the brain will work for entertainment, it strives to find a way to keep the moving going. The only way it can do that consistently is to keep the amplitude low. As the oscillation lessens, so does the variability.

Other neurofeedback systems typically use repetitive tones or simple repeating graphics. Many of my clients in the past found these boring, and they would often get drowsy. While it did work, I imaged a software that could provide entertaining feedback. That software is Bioexplorer. Since converting the feedback to primarily DVD movies, my clients have found it to be enjoyable and engaging. What better way to train your brain than to sit back, relax, and watch a movie?

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