The articles below were selected by Stephan Lammel, Karel Svoboda, and David Kupferschmidt, faculty from Module 8 of SfN’s Optogenetics Training Series, to supplement their presentation, Caveats for Designing and Interpreting Optogenetics Approaches. Use these resources to better understand and control for some of the major caveats related to designing, conducting, and interpreting the results from optogenetic experiments.