Brain boost: A noninvasive way to electrically stimulate the brain, known as
transcranial direct current stimulation, has shown success in enhancing learning.
A little brain boost is something we could all use now and then. A new option may be on the horizon. Researchers at the National Institute for Neurological Disorders and Stroke, in Bethesda, MD, are studying how applying gentle electrical current to the scalp can improve learning.