image: This is the transmission electron micrograph image illustrating a myelinated axon in an optogenetically-stimulated mouse brain. This image relates to a paper that appeared in Apr. 3, 2014, issue of Science Express, published by AAAS. The paper, by Erin Gibson at Stanford University School of Medicine in Stanford, Calif., and colleagues was titled, 'Neuronal Activity Promotes Oligodendrogenesis and Adaptive Myelination in the Mammalian Brain.' view more
Credit: David Purger