Final answer:
The "emotional brain" refers to the limbic system in the brain, which regulates emotion and behaviors related to fear and motivation.
Step-by-step explanation:
The "emotional brain" refers to the limbic system in the brain. The limbic system is a connected set of structures that regulates emotions and behaviors related to fear and motivation. It includes the hippocampus, thalamus, hypothalamus, and amygdala among other parts, which are involved in memory formation, recognizing fearful faces, and regulating emotions and pain.