In this episode of Crash Course Psychology, Hank talks about these things called "Emotions". What are they? And why do we need them? Want more videos about psychology? Check out our sister channel SciShow Psych at null! -- Chapters: Introduction: Emotions 00:00 Theories on Emotions 2:11 Cognition & Emotion 3:35 The Spillover Effect 4:22 Top-Down vs Bottom-Up Approaches to Cognitive Processing 6:09 The Autonomic Nervous System 8:10 Optimal Arousal 8:39 Review & Credits 10:03 -- Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Instagram - https://www.instagram.com/thecrashcourse/ CC Kids: null