FIGURE 12-18 Limbic System (A) In this contemporary conception of the limbic system, an interconnected network of structures—the Papez circuit—controls emotional expression. (B) A schematic representation, coded to brain areas shown in part A by color, charts the limbic system’s major connections. (C) A reminder that parts A and B can be conceptualized as part of a funnel rim of outputs that, through the hypothalamus, produce emotional and motivated behavior.