video: Researchers use optogenetics to stimulate the suprachiasmatic nucleus of a mouse, prompting it to scratch itself. This material relates to a paper that appeared in the March 10, 2017, issue of Science, published by AAAS. The paper, by Y.-Q. Yu at Washington University School of Medicine in St. Louis, Mo., and colleagues was titled, 'Molecular and neural basis of contagious itch behavior in mice.' view more
Credit: Y.-Q. Yu <i>et al., Science</i> (2017)