After reading this chapter, you will be able to:

• Describe the brain structures and neurotransmitters involved in emotion.
• Explain how the body and the peripheral nervous system contribute to the experience of emotion.
• Identify the adaptive and maladaptive components of the stress response.
• Discuss the contributions of genetics and environment to stress responses.
• Compare the affective and sensory components of pain.
• Examine the brain structures and chemical systems involved in aggression.