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So, what do Batman and J.R.R. Tolkien have in common? Post Traumatic Stress Disorder. It used to be called "Shellshock" and it can be really really really destructive. In this episode of Crash Course Psychology, Hank lays out the low down on PTSD and how trauma can affect the brain. Plus, a look at how addiction can play into trauma and the ...

So, it turns out we have an easy time reading emotions in facial expressions, but emotions can straight up kill us! In this episode of Crash Course Psychology, Hank discusses stress, emotions, and their overall impact on our health. Want more videos about psychology? Check out our sister channel SciShow Psych at https://www.youtube.com ...

I'm sure you've heard of Pavlov's Bell, but what was Ivan Pavlov up to, exactly? And how are our brains trained? And what is a "Skinner Box"? All those questions and more are answered in today's Crash Course Psychology, in which Hank talks about some of the aspects of learning. Want more videos about psychology? Check out our sister channel ...

You know what's amazing? That we can talk to people, they can make meaning out of it, and then talk back to us. In this episode of Crash Course Psychology, Hank talks to us and tries to make meaning out of how our brains do this thing called Language. Plus, monkeys! If you enjoyed this video, you'll love our mini-series on Crash Course ...

Do you know how Prozac works? Or lithium? Did you know that electroshock therapy is still a thing? There's a lot to know about biomedical treatments and how they work in tandem with psychotherapy or talk therapy. In this episode of Crash Course Psychology, Hank talks about how Biomedical Treatments have evolved and how they work with other ...

Why do people sometimes do bad things just because someone else told them to? And what does the term Groupthink mean? In today's episode of Crash Course Psychology, Hank talks about the ideas of Social Influence and how it can affect our decisions to act or to not act. Want more videos about psychology? Check out our sister channel SciShow ...

What does Psychology mean? Where does it come from? Hank gives you a 10-minute intro to one of the more tricky sciences and talks about some of the big names in the development of the field. Welcome to Crash Course Psychology!!! Want more videos about psychology? Check out our sister channel SciShow Psych at https://www.youtube.com/scishowpsych ...

We used to think that the human brain was a lot like a computer; using logic to figure out complicated problems. It turns out, it's a lot more complex and, well, weird than that. In this episode of Crash Course Psychology, Hank discusses thinking & communication, solving problems, creating problems, and a few ideas about what our brains are ...

Just what is the difference between sensing and perceiving? And how does vision actually work? And what does this have to do with a Corgi? In this episode of Crash Course Psychology, Hank takes us on a journey through the brain to better explain these and other concepts. Plus, you know, CORGI! Want more videos about psychology? Check out our ...

Not sleeping for days on end. Long periods of euphoria. Racing thoughts. Grandiose ideas. Mania. Depression. All of these are symptoms of Bipolar Disorder. In this episode of Crash Course Psychology, Hank talks about mood disorders and their causes as well as how these disorders can impact people's lives. Want more videos about psychology ...

Hank and his brother John discuss heredity via the gross example of relative ear wax moistness. This video uses sounds from Freesound.org. References: http://www.mpiwg-berlin.mpg.de/en/research/projects/DeptIII_Cultural_History_Heredity http://www.pbs.org/wgbh/nova/genome/her_ari.html http://www.universityofcalifornia.edu/news/article/4465 http ...

Herman Rorschach (no, not the guy from Watchmen) came up with the eponymous tests, but what do they mean? Why are we so fascinated with them despite the division in the world of Psychology? Hank tackles these topics as we take a closer look at personality in this episode of Crash Course Psychology. Want more videos about psychology? Check out ...

So how do we apply the scientific method to psychological research? Lots of ways, but today Hank talks about case studies, naturalistic observation, surveys and interviews, and experimentation. Also, he covers different kinds of bias in experimentation and how research practices help us avoid them. Want more videos about psychology? Check out ...

So, how many different kinds of intelligence are there? And what is the G-Factor? Eugenics? Have you ever taken an IQ Test? All of these things play into the fascinating and sometimes icky history of Intelligence Testing. In this episode of Crash Course Psychology, Hank talks us through some of the important aspects of that history... as well ...

BAHHHHHH! Did I scare you? What exactly happens when we get scared? How does our brain make our body react? Just what are Neurotransmitters? In this episode of Crash Course Psychology, Hank takes us to the simplest part of the complex system of our brains and nervous systems: the neuron. -- Want more videos about psychology? Check out our ...

What exactly are Personality Disorders? How can they be diagnosed? Can we prevent some of them? In this episode of Crash Course Psychology, Hank gives us the down-low on things like Ego-Dystonic and Ego-Syntonic Disorders, Borderline and Antisocial Personality Disorders, and the potential biological, psychological, and social roots of these ...

In this episode of Crash Course Psychology, Hank describes some of the most misunderstood psychological disorders out there: Schizophrenia and Dissociative Identity Disorder. Want more videos about psychology? Check out our sister channel SciShow Psych at https://www.youtube.com/scishowpsych! -- Chapters: Introduction: Schizophrenia ...

HOMUNCULUS! It's a big and weird word that you may or may not have heard before, but do you know what it means? In this episode of Crash Course Psychology, Hank gives us a deeper understanding of this weird model of human sensation. Want more videos about psychology? Check out our sister channel SciShow Psych at https://www.youtube.com ...

Why do people do bad things? Is it because of the situation or who they are at their core? In this week's episode of Crash Course Psychology, Hank works to shed a little light on the ideas of Situation vs. Personality. Oh, and we'll have a look at the Stanford Prison Experiment... It's alarming. If you are currently in need of help: http://www ...

In this REALLY IMPORTANT EPISODE of Crash Course Psychology, Hank talks about how we remember and forget things, why our memories are fallible, and the dangers that can pose. Want more videos about psychology? Check out our sister channel SciShow Psych at https://www.youtube.com/scishowpsych! -- Chapters: Introduction: The Banana Thief 00:00 ...

In this episode of Crash Course Psychology, Hank has a look at that oh-so-troublesome time in everyone's life: Adolescence! He talks about identity, individuality, and The Breakfast Club. Want more videos about psychology? Check out our sister channel SciShow Psych at https://www.youtube.com/scishowpsych! -- Chapters: Introduction: The ...

So what does perception even mean? What's the difference between seeing something and making sense of it? In today's episode of Crash Course Psychology, Hank gives us some insight into the differences between sensing and perceiving. Want more videos about psychology? Check out our sister channel SciShow Psych at https://www.youtube.com ...

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 ...

In this episode of Crash Course Psychology, Hank talks about how we learn by observation... and how that can mean beating up an inanimate clown named Bobo. Want more videos about psychology? Check out our sister channel SciShow Psych at https://www.youtube.com/scishowpsych! -- Chapters: Introduction: The Bobo Doll Experiment 00:00 Social ...

In this episode of Crash Course Psychology, Hank takes a look at how the treatment for psychological disorders has changed over the last hundred years and who is responsible for getting us on the path to getting us here. Want more videos about psychology? Check out our sister channel SciShow Psych at https://www.youtube.com/scishowpsych ...

Why do we sleep? Well... that's a tricky question. More easily answered is the question, "How do we sleep?" In this episode of Crash Course Psychology, Hank discusses some of the ways our brain functions when sleeping and how it can malfunction as well. Want more videos about psychology? Check out our sister channel SciShow Psych at https://www ...

In our final episode of Crash Course Psychology, Hank discusses the ideas of Aggression and Altruism. These two things are difficult to understand and explain so sit tight and get ready to run the gauntlet of human emotions. Want more videos about psychology? Check out our sister channel SciShow Psych at https://www.youtube.com/scishowpsych ...

This is a crash course video made on the famous psychology experiment: The Stanford Prison Experiment. This was made for my General Psychology class at my high school. Hope you all enjoy! References: Douglas, K. (2025). Psychology & Mental Health. Britannica. Group norms | britannica.com. (2025, March 17.). britannica.com. https://www ...

So, you know you'd like to get help with some problematic behavior (like fear of flying). What do you do? Who can you go to for help? Once you've gone, what can you expect? In this episode of Crash Course Psychology, Hank talks about what "Getting Help" can look like. If you are currently in need of help: http://www.mentalhealth.gov/get-help ...

In this episode of Crash Course Psychology, Hank talks about OCD and anxiety disorders in the hope we'll understand what people with actual OCD have to deal with as well as how torturous anxiety disorders and panic attacks can actually be. Want more videos about psychology? Check out our sister channel SciShow Psych at https://www.youtube.com ...

In this episode of Crash Course Psychology, we get to meet the brain. Hank talks us through the Central Nervous System, the ancestral structures of the brain, the limbic system, and new structures of the brain. Plus, what does Phineas Gage have to do with all of this? Want more videos about psychology? Check out our sister channel SciShow Psych ...

What exactly is consciousness? Well... that's kind of a gray area. In this episode of Crash Course Psychology, Hank gives you the basic ideas of what consciousness is, how our attention works, and why we shouldn't text and drive... ever... no, really, NEVER! Want more videos about psychology? Check out our sister channel SciShow Psych at https ...

How does our knowledge grow? It turns out there are some different ideas about that. Schemas, Four-Stage Theory of Cognitive Development, and Vygotsky's Theory of Scaffolding all play different roles but the basic idea is that children think about things very differently than adults. Hank explains in today's episode of Crash Course Psychology ...

In this episode of Crash Course Psychology, Hank takes a look at a few experiments that helped us understand how we develop as human beings. Things like attachment, separation anxiety, stranger anxiety, and morality are all discussed... also, a seriously unpleasant study with monkeys and fake mothers. Want more videos about psychology? Check ...

Remember that guy from 300? What was his name? ARG!!! It turns out our brains make and recall memories in different ways. In this episode of Crash Course Psychology, Hank talks about the way we do it, what damaging that process can do to us, and that guy... with the face and six-pack... Want more videos about psychology? Check out our sister ...

You may think you know all about hypnosis from the movies. Zoolander, The Manchurian Candidate, etc... but there's a whole lot more going on. In this episode of Crash Course Psychology, Hank tells us about some of the many altered states of consciousness, including hypnosis. Want more videos about psychology? Check out our sister channel ...

In this episode of Crash Course Psychology, Hank tackles some difficult topics dealing with prejudice, stereotyping, and discrimination. There's a lot here, so let's get started. Here's a link to the Implicit Association Test we mentioned in this episode: https://implicit.harvard.edu/implicit/ Want more videos about psychology? Check out our ...

In this episode of Crash Course Psychology, Hank takes a look at WAIS and WISC intelligence tests and how bias can really skew both results and the usefulness of those results. Want more videos about psychology? Check out our sister channel SciShow Psych at https://www.youtube.com/scishowpsych! -- Chapters: Introduction 00:00 WAIS & WISC Tests ...

Next stop in our tour of your sensory systems? VISION. With a little help from an optical illusion, we take a look inside your eyes to try to figure out how your sense of vision works -- and how it can be tricked. Pssst... we made flashcards to help you review the content in this episode! Find them on the free Crash Course App! Download it here ...

This episode is sponsored by The Great Courses Plus. Start your free one-month trial today (and let The Great Courses Plus know we sent you!): http://ow.ly/faUN30db5c7 Crash Course is made with Adobe Creative Cloud. Get a free trial here: https://www.adobe.com/creativecloud/catalog/desktop.html An essential part of learning and studying is ...

Hank tries not to stress you out too much as he delves into the functions and terminology of your sympathetic nervous system. Pssst... we made flashcards to help you review the content in this episode! Find them on the free Crash Course App! Download it here for Apple Devices: https://apple.co/3d4eyZo Download it here for Android Devices: https ...

What do you and a sack of batteries have in common? Today, Hank explains. Pssst... we made flashcards to help you review the content in this episode! Find them on the free Crash Course App! Download it here for Apple Devices: https://apple.co/3d4eyZo Download it here for Android Devices: https://bit.ly/2SrDulJ Chapters: Introduction: What do ...

Welcome to Crash Course Statistics! In this series we're going to take a look at the important role statistics play in our everyday lives, because statistics are everywhere! Statistics help us better understand the world and make decisions from what you'll wear tomorrow to government policy. But in the wrong hands, statistics can be used to ...

How would you measure a personality? What, exactly, is the self? Well, as you've come to expect, it's not that easy to nail down an answer to those questions. Whether you're into blood, bile, earth, wind, fire, or those Buzzfeed questionnaires, there are LOTS of ways to get at who we are and why. Want more videos about psychology? Check out our ...

Today we're going to introduce one of the most flexible statistical tools - the General Linear Model (or GLM). GLMs allow us to create many different models to help describe the world - you see them a lot in science, economics, and politics. Today we're going to build a hypothetical model to look at the relationship between likes and comments ...

Do we really have free will? Today Hank explores possible answers to that question, explaining theories like libertarian free will and its counterpoint, hard determinism. -- Images via ThinkStock Produced in collaboration with PBS Digital Studios: http://youtube.com/pbsdigitalstudios Crash Course Philosophy is sponsored by Squarespace. http ...

Today Hank kicks off our look around MISSION CONTROL: the nervous system. Pssst... we made flashcards to help you review the content in this episode! Find them on the free Crash Course App! Download it here for Apple Devices: https://apple.co/3d4eyZo Download it here for Android Devices: https://bit.ly/2SrDulJ Chapters: Introduction: Hank's ...

Today we're going to continue our discussion of statistical models by showing how we can find if there are differences between multiple groups using a collection of models called ANOVA. ANOVA, which stands for Analysis of Variance is similar to regression (which we discussed in episode 32), but allows us to compare three or more groups for ...

Welcome to Crash Course Psychology! Want more videos about psychology? Check out our sister channel SciShow Psych at https://www.youtube.com/scishowpsych! 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 ...

In which Hank has to say things... and it's not easy! Want more videos about psychology? Check out our sister channel SciShow Psych at https://www.youtube.com/scishowpsych -- 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 ...