The study of functional neuroanatomy typically involves several different but related approaches. One is to simply describe a neuroanatomical structure, either on a macro or more micro basis, and define what are thought to be the functions normally mediated by that structure. An example of the former might be to list the behaviors believed to be carried out by the right versus the left cerebral hemisphere, whereas the latter might focus on a particular gyrus within the hemisphere, or even on a select group of neurons contained within that gyrus. A second approach, which might be referred to as a “systems” approach, is to identify a particular behavior and then attempt to define the nerve centers and pathways thought to be instrumental in its expression. For example, identifying the...