b'Anna-Sophia Wahl\\xa0\\u2014 a neuroscientist with the Brain Research Institute\\xa0at the Swiss Federal Institute of Technology, in Zurich, as well as a physician with the Central Institute of Mental Health in Mannheim, Germany \\u2014 talks with us about her open-access article "Optogenetically stimulating intact rat corticospinal tract post-stroke restores motor control through regionalized functional circuit formation.'