1. Can you think of some ways that you could use optogenetic methods to investigate neural mechanisms involved in the control of a behavior or sensory system? Using methods you learned about in this chapter so far, describe a behavior, cognitive process, or perceptual ability that you would like to study. Describe the kinds of experiments you would perform and say what kinds of information each method might provide.
2. You have probably read news reports about studies of the genetics of human behavioral traits or seen them on television. What does it really mean when a laboratory reports the discovery of, say, a “gene for shyness”?