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Intro to Psychology: Crash Course Psychology #1

That dream about the dinosaur in the leotard,
those times that you said that thing that you know you shouldn’t have said, or even
that thing you didn’t even know you were gonna say. The little cogs of your consciousness
cranking away, making your life possible, making society function, all of the things
that you’re so glad you can do and all of the ones that you wish you could stop doing.
Excluding other human minds, your mind is the most complicated piece of the universe
that humans currently know about. The rules that govern it are mysterious and elusive.
Maybe our brains just aren’t complex enough to understand themselves. But that’s not going
to stop us from trying! The word ‘psychology’ comes from the Latin
for the “study of the soul.” And while its formal definition has evolved over the last
several decades, today we can safely call it the science of behavior and mental processes.
The term ‘psychology’ wasn’t coined until around the turn of the sixteenth century,
and the practice that we would actually call science today wasn’t established until the
mid-1800s. But of course, humans have always been curious about themselves and what’s going
on up here. Aristotle pondered the seed of human consciousness and decided that it was
in the heart, not the head — being, as we have seen quite a lot here on Crash Course,
absolutely and completely wrong. Two thousand years ago, Chinese rulers conducted
the world’s first psychological exams, requiring public officials to take personality and intelligence
tests. And in the late 800s, Persian doctor Muhammad ibn Zakariya al-Rhazes, also known
as Rhazes, was one of the first to describe mental illness, and even treated patients
in what was essentially a very early psych ward in his Baghdad hospital. From the efforts of those early thinkers up
until today, the field of psychology has been all about tackling some of the big questions:
How can humans do horrible things like commit genocide and torture other humans, and how
come we know those things are horrible? Do we have free will, or are we simply driven
by our environment, biology, and non-conscious influences? What is mental illness, and what
can we do about it? And what is consciousness? Or the notion of self? If I lose my awareness
of myself, am I still human? I DON’T KNOW! But over the next 6 months, these are the
questions that we’re gonna be exploring together: how our brains work, how they can break, how
they can be healed, why we behave the way we do, even when we don’t want to, and what
it means to be thinking and feeling and alive. [Intro] When hearing the word psychology, most people
probably think of a therapist listening to a patient unpacking the details of his day
while reclining on a couch. Maybe that therapist is wearing glasses, chewing on a cigar, stroking
his whiskered chin. Admit it! If you’re thinking about psychology,
you’re probably picturing Freud. Sigmund Freud was one of the most tremendously
influential and controversial thinkers of his time, maybe of all time. His theories
helped build our views on childhood, personality, dreams and sexuality. And his work fueled
a legacy of both support and opposition. His life was long and spanned an important
swath of history from the American Civil War to World War II. But like most great scientists,
Freud developed his revolutionary ideas by building on the work of others, and of course
innovation in the field didn’t stop with him. In truth, psychology is one of the most wildly
diverse sciences in terms of the questions it proposes, the methods it applies, and the
different schools of thought and disciplines it contains. Perhaps more than any other science, psychology
is just a big old integrated melting pot. For instance, right around Freud’s time, there
were a lot of different schools of thought of about how the study of the human mind should
be tackled. Mainly, there were the ideas of structuralism, functionalism and psychoanalysis. Scientific psychology got its start in 1879
in Germany when physician Wilhelm Wundt set up the first psychology laboratory at the
University of Leipzig just a few years after publishing his Principles of Physiological
Psychology, considered the first true psychology textbook. Wundt and his student Edward Bradford Titchener
took cues from chemists and physicists and argued that if those people could break down
all matter into simple elements or structures, why couldn’t they do the same for the brain? They tried to understand the structures of
consciousness by getting patients to look inward, asking them how they felt when they
watched the sun set, or smelled a coffee, or licked a kitten, or whatever. Titchener named this approach ‘structuralism’,
but despite its rigid sounding name, it really relied so much on introspection that it became
too subjective. I mean, you may sense and feel something different that I do, even if
we lick the same kitten. Psychologists, of course, can’t actually observe a patient’s
inner thoughts or feelings, so ultimately, the structuralist school of thought was fairly
short-lived. By contrast, American physician and philosopher
William James proposed a different set of questions, focusing on why we think and feel
and smell and lick, or whatever. Basically, he focused on the function of behavior. This
approach, ‘functionalism’, was based on Charles Darwin’s idea that adaptive behaviors are
conserved throughout the evolutionary process. James published his seminal book, The Principles
of Psychology, in 1890, defining psychology as the science of mental life, just as Freud
was starting to flex his big brain. Sigmund Freud began his medical career at
a Viennese hospital, but in 1886, he started his own practice, specializing in nervous
disorders. During this time, Freud witnessed his colleague Josef Breuer treat a patient
called Anna O with a new talking cure. Basically, he just let her talk about her symptoms. The
more she talked and pulled up traumatic memories, the more her symptoms were reduced. It was
a breakthrough, and it changed Freud forever. From then on, Freud encouraged his patients
to talk freely about whatever came to mind, to free associate. This technique provided
the basis for his career, and an entire branch of psychology. In 1900 he published his book The Interpretation
of Dreams, where he introduced his theory of psychoanalysis. Now, you probably think
of psychoanalysis as a treatment — the whole patient on the couch scenario. And that’s
definitely part of it. But Freud’s concept was actually a lot more complex than that,
and it was revolutionary. A radical kernel of psychoanalysis was the
theory that our personalities are shaped by unconscious motives. Basically Freud suggested
that we’re all profoundly affected by mental processes that we’re not even aware of. Now that sounds almost obvious to us now,
but part of the genius of Freud’s theory was that in 1900, it wasn’t obvious at all. The
idea that our minds could be driven by something that our minds themselves didn’t know about
was hard to grasp. As hard as like, uhh, maybe organisms evolving by natural selection. It
was abstract, invisible, and there was something about it that seemed irrational. But the other important part of Freud’s theory
was that the unconscious, literally the thing below consciousness, was still discoverable.
Even though you weren’t aware of it, you could come to understand it through a therapeutic
technique that used dreams, projections and free association to root out repressed feelings
and and gain self-insight. So what Freud was really saying was that mental
disorders could be healed through talk therapy and self-discovery. And this was a really
big breakthrough. Because prior to this, people with mental illnesses would be confined to
sanatoriums and at best given menial labor to do and at worst, shackled to a bed frame. After The Interpretations of Dreams, Freud
went on to publish over 20 more books and countless papers with an iconic cigar in hand
all the while. He believed smoking helped him think, but it also helped him get jaw
cancer. During the last sixteen years of his life, he underwent at least thirty painful
operations while continuing to smoke. By the late 1930s, the Nazis had taken over
Austria, and Freud and his Jewish family narrowly escaped to England. By September 1939, the
pain in his cancerous jaw was too great and a doctor friend assisted him in suicide through
morphine injection. He was eighty-three. Whether you love him or hate him – and make
no mistake, plenty of people vehemently disagreed with him – there is no question that Freud’s
impact on psychology was monumental. While competing theories in the young field of psychology
either fell away or evolved into something else, psychoanalysis remains an important
concept and practice today. The next big shake-up rolled in during the
first half of the 20th century when behaviorism gained a higher profile. Heavy hitters like
Ivan Pavlov, John B. Watson, and B. F. Skinner were key players here. They focused on the
study of observable behavior. You may remember Skinner as the dude who put rats and pigeons
and babies in boxes and conditioned them to perform certain behaviors. Right around when
Freud escaped to England, Skinner published his Behavior of Organisms, ushering in the
era of behaviorism which remained all the rage well into the 1960s. The other major force at the time was, of
course, Freud’s psychoanalysis, and its many descendents collectively known as the psychodynamic
theories. These focused on the importance of early experiences in shaping the unconsciousness
and how that process affects our thoughts, feelings, behaviors, and personalities. By the mid-20th century, other major forces
in psychology were also brewing — schools we’ll explore later in this course including
humanist psychology, which focuses on nurturing personal growth; cognitive science and neuroscience,
all of which contributed their own unique takes on the study of mind. Today’s formal definition of psychology, the
study of behavior and mental processes, is a nice amalgamation that pulls from all these
different schools of thought. It recognizes the need for observing and recording behavior,
whether that’s screaming, crying or playing air saxophone to an imaginary audience, but
it also gives credit to our mental processes: what we think and feel and believe while we’re
tearing it up on our invisible instruments. Because again, the point I really want you
to take home is that psychology is an integrative science. Yes, folks still get grumpy and disagree
plenty, but the essence of the discipline has everything to do with creating different
ways of asking interesting questions and attempting to answer them through all kinds of data-gathering
methods. The human mind is complicated. There is no single way to effectively crack it open;
it must be pried at from all sides. Harvard astronomer Owen Gingerich has gazed
into the distant horizon of space, and even he has acknowledged that the human brain is
by far the most complex physical object known to us in the entire cosmos. And we all get
to have one! Of our very own! Just knocking around right up in here. We here at Crash Course are really excited
to spend the next several months delving into the world of psychology — how it applies
to our lives, our minds, and our hearts, and how it deepens our understanding of each other,
our world, and ourselves. Thanks for watching this first lesson in Crash
Course Psychology, and I’d like to especially thank all of our Subbable subscribers, without
whom we would literally not be able to do this. Would you like a personalized signed
Crash Course Chemistry Periodic Table, or even to see yourself animated in one of our
episodes? To find out about these and other perks, go to And thanks to our crew. This episode was written
by Kathleen Yale and edited by Blake de Pastino. Our psychology consultant is Dr. Ranjit Bhagwat,
our director and editor is Nicholas Jenkins. The script supervisor was Michael Aranda who
was also our sound designer, and our graphic team is Thought Cafe.

100 Replies to “Intro to Psychology: Crash Course Psychology #1”

  • As a BTech 3rd year student, I think every student should have commendable knowledge in psychology.
    So I always become very interested to learn psychology.
    Your videos have brought a golden
    Chance to persons like us to fulfill our interest. They will surely play an towering role in transforming
    The lives of millions.
    Thanks,congrats , hats off and salute to all conserned.

  • just trying to evolve my self everyday . you can never stop learning . i will continue to study everything i can . everything!

  • Psychology is the science of behavior and mental processes. Wilhelm Wundt is known as the father of modern psychology.There are different schools of psychology. Some of the schools with their respective founders are as follows: Behaviorism—Watson , Cognitivism—Aaron T. Beck and Albert Ellis , Functionalism—William James, Humanistic/Gestalt—Carl Rogers , Psychoanalytic—Sigmund Freud, System Psychology—Gregory Bateson and Felix Guattari.

  • Hi Sir,

    i want your help
    is thare possible in pscholoy world that any body can control other person's mind without hypnotism…..
    …please answer quickly i need help urgent.

  • Voodoo Priest are equal to Psychologist.
    Psychology isn't based on science. It's how you feel. Public norms determine what normal is…..

  • Go to Google and search for the global truth project and read the
    book named The Present so you will discover all the answers of the big questions of life ⬆️⬆️

  • How can a society be so “aware” about genocide, racism, and slavery but deny human rights to their most vulnerable and helpless members?

  • im on my brothers account lol but I am a nerd, and I LOVE psychology and human body! I want to be a child psychiatrist when I grow up 😉

  • I wrote definition as ; sci of behaviour & mental pros… and my profesdor failed me coz of word mental processes back in school

  • Me at 7: I wanna be a doctor.
    Me now, almost 7 years later: I still wanna be a doctor. But a different TYPE of doctor, called a psychologist.

  • "Psychology" is Greek not Latin. 'Psyche' means 'soul' and 'logos' means 'speech'. (or study) Psychology is the speech of the soul.

  • im only 15. but i swear besides acting, psychology is probably the best subject in the world. learning about sleep is my favorite.

  • A little correction: Psychologie actually comes from the Ancient Greek word for soul, 'psyche', not the Latin one. Nevertheless I like these videos.

  • Psychi was and is the Greek word for soul and Logos was and is speaking, m i delusional and if not why not say its Greek i dont understand..

  • I just graduated this past June and I didn't go away to university because I never knew what I wanted to take, but watching all these crash course videos on all the things I would be interested have really helped me narrow down what I want to go to uni for next fall! 🙂

  • Hard to watch with the guy laying on the over the top voice so much – like he assumes we’re either stupid or need to be ‘entertained’

  • Psychology has done so much damage to society in the United States. For all you people who claim to be a Christian stay away from psychology it is not of God. Satan influences this teachings and the man who invented “so to say” was on methamphetamines and other drugs who at one point bragged about feeling demonic spirits in the room. Psychology is destroying younger kids because it attempts to study the soul and feelings which only the good Lord can do.

  • Many choose to "change others "opinions of one another"", later, when nothing has happened, to "maintain status" ("greater than"/"Less than"/"Equal to") with others, when this "status" doesn't need to maintained with "opinions".

  • Great video, I like how you look at psychology form different school of thought to give a holistic view. but It was too fast I had to stop and search up concepts to understand them. I am interested in finding out about functionalism and how the institutions in society act to create an equilibrium. I feel like Psychoanalysis is all ready well understood by the audience. So a more heavily emphasis should be placed on other disciplines.

  • The individual whom has just presented this video is pretty deceptive especially with the self admission of "I don't know" when it's abundantly clear that he knows exactly how the human mind works.

    That's why he presented this video in the manner he did and by that I mean, he spoke at such a speed that for the overwhelming majority of his audience to fully know and (understand) what he's indeed said it will mean them having to play this video back over and over and pause it at particular points so they can conduct their own further investigations.

    Anyone who says human psychology is complex isn't being forthcoming or completely honest with their audience because human psychology is the easiest subject anyone can study.

    Let me give you an example, when all of us were born this includes myself we only knew biological actions or instinctual actions if you will, factually what's culminated in all of us becoming the individuals we all are today is nothing more than repetitive iterations of information which have been locked onto our subconscious minds and of course the way in which that is accomplished is via repetition by both reward or feelings of pleasure or trauma or feelings of pain.

    It's no more complex than that.

    Humans along with all creatures have what is known as an endocannabinoid system and this system is what is responsible for stimulating conditions for new cell growth within the brains of any and all creatures which have them (even if we can't distinguish a particular creature as having what we think of as a brain in no way denotes they don't have one).
    Any and all creatures with an endocannabinoid system does in fact have a brain.

    Now the reason for this system as I've said is specifically to promote new cell growth within the brain because as we all know the place which houses the brain is in continual growth from the moment of birth right through to death, hence the saying "you learn something new every day"

    What we're not told is how the subconscious mind processes information and there are indeed differences between your conscious and subconscious mind.
    For example, your conscious mind rests or stops if you will and this takes place when you go to sleep, but your subconscious mind never stops from the moment you're born until the day you die, instances of the subconscious mind completely taking control over the unconscious mind and body can be seen in individuals whom sleep walk or sleep talk.
    Of course we can all study ourselves and see times when our own subconscious mind takes control over our conscious mind and body, for example when performing tasks such as soldering complex electronic circuits or even cleaning our homes in complete silence.
    These are ideal conditions for yours and indeed my own subconscious to take control and that's when it will play a song in our minds which we believe we like and this results in us either singing, tapping our feet or even dancing and this can and does predominantly take place when in either deep concentration or performing methodical tasks.

  • …ever going to do criminology? Or…an episode added on here focusing more on forensic anthropology? ….i like studying stuff like that, and people think im either going to be a good detective, or a rampaging serial killer.

  • Here's 10 headshots of random men. Point to 2 of these picures to indicate which are the pedophiles who raped you. Note that every single picture is one of 2 Greene brothers

  • Psychology is pretty much you studying yourself it could be from seeing why someone chews there nails when nervous to why you don't feel bad about killing things it's mostly just natraul instinct and what we learn

  • Natural selection and computation theory are the mother theory to the psychology. You should use 99% topics on evolutionary psychology.

  • I don’t know dose AI have soul if the machine had all human’s representation, but no human’s representations human no soul.

  • Human’s behavior generated from the machine designed for reproduction and reproduction’s previous problems by natural selection.

  • The way he talks actually makes it not boring, for those saying he should talk normal.
    It makes it more fun for me 🙋


    if ur planning on taking psych but u still don’t know what math u wanna take…


    it helps a bit in psych, especially in the survey/experimentation aspects!!

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