This blog reports new ideas and work on mind, brain, behavior, psychology, and politics - as well as random curious stuff
Thursday, July 15, 2010
How exercise stimulates brain nerve cell growth
Human and animal brains produce new brain cells (neurogenesis), and exercise increases this process. Gretchen Reynolds reviews work of Cage and others suggesting a mechanism for how this works: exercise lowers the levels of a protein (BMP, or bone morphogenetic protein) that suppresses nerve cell division in the hippocampus.