Feeling motivated? Even if you are, do you know why? The story of Aaron Ralston can tell us a lot about motivation. In this episode of Crash Course Psychology, Hank tells us Ralston's story, as well as 4 theories of motivation and some evolutionary perspectives on motivation. Want more videos about psychology? Check out our sister channel SciShow Psych at null! -- Chapters: Introduction: Motivation 00:00 What is Motivation? 1:08 Evolutionary Perspective: Instincts 1:29 Drive-Reduction Theory: Homeostasis & Incentives 2:37 Optimal Arousal 3:39 Maslow's Hierarchy of Needs 4:49 How Sex Motivates Us 5:29 How Hunger Motivates Us 6:32 Effects of Hunger & Starvation 7:59 How Social Belonging Motivates Us 9:33 Review & Credits 10:34 -- 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