%0 Journal Article %T Transient, Consequential Increases in Extracellular Potassium Ions Accompany Channelrhodopsin2 Excitation %J - %D 2019 %R https://doi.org/10.1016/j.celrep.2019.04.078 %X £¿ Multiple approaches reveal transient K+ elevations during ChR2 excitation £¿ ChR2-mediated K+ elevations increase neuronal excitability and cFos expression £¿ Neuronal effects of K+ are recapitulated with a model and in vivo £¿ Increased K+ may contribute to astrocyte experiments employing ChR2 in viv %U https://www.cell.com/cell-reports/fulltext/S2211-1247(19)30558-3