Our thoughts affect our brains. More specifically, “… what you pay attention to, what you think and feel and want, and how you work with your reactions to things sculpt your brain in multiple ways,” according to neuropsychologist Rick Hanson, Ph.D, in his newest book Just One Thing: Developing A Buddha Brain One Simple Practice at a Time. In other words, how you use your mind can change your brain.
According to Canadian scientist Donald Hebb, “Neurons that fire together, wire together.” If your thoughts focus on worrying and self-criticism, you’ll develop neural structures of anxiety and a negative sense of self, says Hanson.
For instance, individuals who are constantly stressed (such as acute or traumatic stress) release cortisol, which in another article Hanson says eats away at the memory-focused hippocampus. People with a history of stress have lost up to 25 percent of the volume of their hippocampus and have more difficulty forming new memories.
The opposite also is true. Engaging in relaxing activities regularly can wire your brain for calm. Research has shown that people who routinely relax have “improved expression of genes that calm down stress reactions, making them more resilient,” Hanson writes.
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