Neuroplasticity

by Moheb Costandi

a 2013 study by researchers in Sweden shows that the human hippocampus produces about 700 cells per day—which corresponds to an annual turnover of about 1.75% of the total number of cells in that part of the brain—and that the rate decreases only slightly with age.17 More recently, the same group published evidence of adult neurogenesis in the human striatum, a subcortical structure involved in motor control, reward, and motivation. These cells apparently originate in the subventricular zone and go on to form interneurons, whose fibers are restricted to the immediate area and whose inhibitory signals are vital for circuit function.18