Technology Report Published on 31 Jan 2013 Long-term channelrhodopsin-2 (ChR2) expression can induce abnormal axonal morphology and targeting in cerebral cortex Toshio MiyashitaYu R ShaoJason ChungOlivia PourziaDan Feldman Frontiers in Neural Circuits doi 10.3389/fncir.2013.00008 28,876 views 101 citations