Neuroscience and Society: The Meditating Brain

Many people who meditate, practice yoga, or pray report a sense of calm and well-being that extends beyond the time spent in each practice. Using modern neuroscience techniques, researchers have sought to quantify effects of these practices. What do we know so far?

“You can think of meditation as a form of attention training,” said Sara Lazar of Harvard during a panel at the American Association for the Advancement of Science (AAAS) last week. The practice involves sustained attention, awareness of your thoughts and sensations, and holding in mind the intention to stay focused. Showing mainly results from studies investigating mindfulness meditation, she described changes in brain structure seen in new meditators after just eight weeks, including increased volume of gray matter and the left hippocampus, and decrease in size of the amygdala.

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