Hormones, motivation, emotion, sleep and animal behavior

This lesson is part of the full course.

In it you will learn to:

• Describe the endocrine system and the HPA axis, and distinguish organizational from activational hormone effects
• Explain drive, incentive and arousal accounts of motivation, Yerkes–Dodson, and the physiological regulation of hunger and thirst
• Compare the James–Lange, Cannon–Bard and two-factor theories of emotion, and describe the amygdala's role in fear
• Describe sleep stages and cycles, circadian rhythms, sleep disorders, dream theories and hypnosis, and the core ideas of ethology