Well, well, well, look what I just found:

Here’s one more nugget about brain plasticity, a stunning discovery made by Eric Kandel, winner of the 2000 Nobel Prize for Medicine. Kandel discovered that when an animal learns something over a period of several hours, that learning process causes signals to be transmitted...
...into the DNA of the nerve cells.
These signals, Kandel found, turn certain genes on and other genes off. Think about that. You can repeat a thought or action over and over—or create slower, more coherent brain waves day after day— and some of your genes are turned on to make new proteins inside your brain cells.
This genetic change alters the structure of that cell and changes the number of connections that cell has with other cells in your brain...
...which leads to more awareness, and more resourceful ways of thinking, acting, feeling, and being.
Kandel showed—contrary to what had long been believed—that even our genes can change. Not only can our brains change, we’re also not necessarily stuck with the genes we inherited or the personal characteristics created by those genes. Is this “gene plasticity”?
Our thinking, behavior, and the way we stimulate our brain can actually influence the aspect of the gene that causes it to turn on or off certain proteins—some of which drive our level of awareness, what we believe is possible, our emotional reactions...
...and how much motivation, creativity,
and happiness we have.

Source: Page 95-96, The New Science Of Super Awareness by Bill Harris

If you're as fascinated by the brain as I am, I highly recommend this book. Even if you aren't interested in the binaural beats program they're selling (which I am also a big fan of), there's a lot of good information about the brain, brainwaves, psychology, spirituality, etc. I like how they don't just sell their program; they explain to you in-depth how it works and why and cite research to back it. At one point I wanted to compile a bunch of research about the brain that I never had time to actually do, but I did get curious about brainwaves. Then I found out that someone's already done all that work for me, as well as connecting those dots to gain something useful from it all.