16. Human Sexual Behavior II 

People are so lucky to have had irl lectures with Dr Sapolsky. All of us virtual learners are as equally lucky! Thanks Stanford for putting these up online.

I could listen to him read cereal boxes and be fascinated.

If I were to attend Stanford, I would take EVERY course instructed by Dr. Sapolsky. He creates such an interest in what he is about to say, where you gladly join him in his journey through his lecture.

I love how Dr Sapolsky teaches everything with nuance. For any topic, he suggests x leads to y except with z. A good way to keep his students from seeing the world in black and white and instead a colorfully complex system

I love how the professor has these really humble moments where he made a little mistake or something, then goes back to being someone who knows more about psychology than I can even imagine.

A few nights ago, I fell asleep with one of his lectures playing. I entered a dream in which I heard his voice as it played over the RU-vid video, and I saw myself physically in his class and I was understanding things.

@51:17 .... challenge accepted. There once was a hirsute young geisha, Whose beard was renowned across Asia, She replied to the query As to why she was hairy: Congenital adrenal hyperplasia.

Robert "If you were a hamster and you were smelling your sister" Sapolsky

I had a certain understanding of evolution that I carried along for a long time and I used to always argue with and the picture was of a uniform linear model. advantageous traits simply would keep evolving rapidly through the selection of more magnified and amplified version of genes replacing the weaker ones. but the realm of social evolutionary biology is much much more complex than that. I wish I can have the honor of thanking doctor sapolsky personally as this course was one of most enjoyable experiences I had on youtube, and it truly changed the way that I view the world. Thank you doctor sapolsky. Abdulkader from syria

This lecture is mindbending, the amount of things we're told our whole lives about sexuality that's utter bullshit is staggering Big up for Stanford to help us be less stupid and hour an a half at a time

Coming from someone that spent more than 10 years at various secondary and university educational institutions (studying completely different fields) . . . This guy is a brilliant lecturer.

This series of lectures is just breathtaking. The clear structure, the recent information, so easy to follow, that I'm unable to stop watching. 57:00 onwards is hilarious. "Made the people jump off buildings".... "Half the people quit and went to business school" - nice to see that other fields also aren't considering economics as real science xD

This is so good! He presents the research literature on humans and animal sexual behavior in such an instructive, yet fun and funny way.

Listening to him makes me so happy...

Response to 51:26 There was a young lady from Asia With adrenal-based strong hyperplasia. They soon realized She was androgenized, Which her mom thought was only a phase. Yeah. Darn I'm proud of this, and no one may ever read it.

What a delivery. No nonsense and well paced but with sprinkled with occasional humour. Commands attention so well that it's difficult even to pause it momentarily. Brilliant.

I watch these lectures as background noise to my projects, and still get caught up in his engaging presentation and interesting materials on umpteenth watch.

Soo mind blowing, and the way he connects the aspects with his amplified view shows his dedication, an amazing experience to hear all these magnificent studies. I have so much appreciation for his job, gives clarity in such complex realms as it is behavior in the many forms it comes, and has to be explained in a neurological way to be trully understood. Must thank Standford for giving such magnific material to the RU-vid community. Greets from Colombia.

I really must say I love this mans lecture. It is well delivered and well rounded.

i am addicted to science and this professor like my best friend, these type of people i love to hangout around and learn , for me he is the best Doctor and i kinda teach and explain for people the same way he uses

Robert Sapolsky is great! :) I'd love to sit in for one of his lectures. It'd be like a rock concert for smart people. xD

Mind blowing stories i heard here.. Thank you Dr Sapolsky

These lectures would make an incredible docu-series

10:26 Missed a golden opportunity to stroke his chin and say, "I shaved yesterday".

hey!! film the charts on the board! dont always need a close up on him!! but... either way.. thanks!! appreciate the vids!!

I'm so grateful to whoever makes these available. Im uber grateful to Prof. Sapolsky. Thanks very much!

Dr. Sapolsky is an absolutely perfect looking college professor!!...Oh, and he is an excellent lecturer as well :)

1:22:59 Sadly he got this fact wrong; chastitybelts weren't actually used, as they were unhygienic. They were satirically depicted; like joking that the husband would have a key and the secret lover would have the spare key.

Yes, I googled it. (on the farm), Mrs. Coolidge was taken to a large enclosure with a henhouse, filled to capacity with hens and little chicks, but she could see only one rooster. When she remarked about it, the farmer boasted of his “prize” rooster - one able to “service” the entire lot. She queried, “Just how many times a day does this prize rooster ‘copulate’?” When told that rooster could mate perhaps 35-40 times a day, Mrs. Coolidge twinkled to her host, “You must be sure to tell that to President Coolidge when he passes this way.” Sure enough a half hour later, the President and his escorts passed that same henhouse, and was given Mrs. Coolidge’s “message.” Coolidge nodded, and was his usual silent self, until they were about to leave the area. “Hmmmm. Thirty or forty times a day,” he twanged. “Same hen?” “Oh no,” said the farmer, “he services them all.” Coolidge didn’t miss a beat. “You be sure to tell that to Mrs. Coolidge,” he added. (From Presidential History Blog)

As someone who is far more interested in mathematics and physics I'm surprised how interesting I'm finding this.

I majored in analytical Chem. a hundred years ago. Obviously, narrow and boring in hindsight. However, In my defense, I did almost flunk out from chasing skirts and associated activities. Neurochem./ bio. is fascinating but this series shows yet again...it is a Godsend to have virtually any subject presented by a passionate, knowledgeable, high energy and funny teacher. with no agenda....

We need more of this sort of analysis sementically and chemicaly.

Best lecturer Ever!

The coolest professor ever

So helpful to learn about the world’s biology / thanks so much

Nothing I love more then free knowledge.

@JAYDUBYAH29 You can find the full (and ordered) playlist for this course if you click on the "Course | Human Behavioral Biology" playlist link in the Suggestions column.

Love these videos. I listen while doing puzzles. I'm always vaguely thinking about whether it's the same person coughing in every one of his videos haha.

amazing eye opening stuff ,thankyou ,

This is interesting to say the least...somewhat detailed for the hour in which I listen (3.31am) however, mental note to self to pay closer attention to the knowledge he is so generously sharing with all of us on this platform. Now that's awesome! If I were a Stanford student paying big bucks to attend these lectures, I'd be very annoyed of their widespread availability, lol. Suffer!! This guys information deserves big audiences, thank you to whomever responsible for sharing, much gratitude.

Thank you Sir.

this is a good discussion.

I want to see this guy and Irving Finkel duke it out in some kind of awesome fiery debate with a tantalizing visual of dueling beards. Is there any kind of venn diagram overlap between babylonian history and behavioral biology?

This guy is so interesting. One video started to autoplay and now I'm on my 5th vid.

Hope the student tape his lectures, lotsa info to learn and digest!

aaah never woul've guessed that, thank you!

Olfactory senses in rodents are highly evolved in comparison to humans. In that the neurological pathways to said region to amygdala illicit massively different nature's. Albeit similarities do give a slightest inclination on the senses and processes involved in humans . Great lectures 👌

Best flow in the game

lowkey "wallow in the world of pheromones" is one of the most fire lines of 2010 (and i am including all rap published in the same year) x

Thank you very much.

2011 I was just entry to university and no have computer and less my english was not enough... OMG I have been in darkness. Congratulations and thank you to share this excellent material.

Fascinating!

this one was confusing and there was lot of stuff to take in, have to rewatch

Dr. Sapolsky is the consummate professor.

Great teacher. Truly ties phy chm to phsyc.

"You and me baby ain't nothin' but mammals So let's do it like they do it on Discovery channel"

Thank you

I had a first long term relationship with a beautiful young woman who was born with adrenal hyperplasia and hypothyroidism. She was very open about her condition - perhaps too much for the ignorant early 1980’s and this then-ignorant mate - and had multiple predictable side effects. Beside the misfortunes of her familial “upbringing,” my stupidity about how to have a successful human relationship, her life was not all that it could or should have been… I wish in retrospect that I had accessed additional information on her endocrine conditions and their attendant overt symptoms. She was a good person.

The correlation between sexual behaviour, aggression and testosterone in males is wildly fascinating to me from a sociological perspective

Fun thing to know is that Wellesley effect or, correctly, McClintock effect, has been proven to not exist, so pheromones (or anything else) does not synchronize women menstrual cycles, it is just a coincedence that sometimes they converge. The corresponding systematic review was conducted in 2013, 3 years after this lecture, so Prof. Sapolsky or anyone else in 2010 did not know this.

the emotional roller-coaster i got with this one 😰

The shade toward Jeffrey Miller was just fantastic.

Sexuality in general was not repressed and it was embraced and nurtured. Through their myths, relegion, festivals, art, literature and sports.

THIS GUY IS BRILLIANT... WHAT A BEAUTIFUL HUMAN BEING. THANK GOD FOR MEN WHO COME ABOUT IN THE WORLD AND BECOME COMPASSIONATE SOULS AT THE LEVEL OF PRIESTS. THANK YOU DR. SASPOLSKY.

@Stanford do not ever remove these lectures.

14:00 The flehmening is something else: the curling up the upper lip and showing the front teeth in order to have a better sense of smell: horses, dogs, cats do this

does anybody know if I can find the handouts for this lecture?

Brilliant

When I was 33, my endocrinologist prescribed this Testosterone gel, even though I was already at a slightly elevated level. I can confirm not only did I feel far better, the level of sexual behavior is definitely causal!

if you like these videos you might also like contrapoints I think the way they give information is similar. Topics have some common themes but much more political

I’d love to read the IRB the lap dance researcher submitted 😂😂😂. I’m pretty sure they didn’t have IRBs then but it would have been great, no doubt.

thank you

This was engaging.

i love this

Hey guys, which Sapolsky book should I read first? I love these lectures!!! Thanks!

The cameraman is a legend at panning

Which literature does he suggest? Is there any with this nice depiction which ends in behavior he wrote on the board? Thanks in advance

Hmm…Stress and fear reduces sexual behavior and activity. This is interesting in the first few years of the ‘20s.

Good video

Skilled orator

Anybody found those classics by Dr.Anonymous?

"All bonobo chimps play the guiter & sing soulfully" 😂 Sapolsky you're a hell of a comedian! 😂

The Coolidge effect is a biological phenomenon seen in animals, whereby males exhibit renewed sexual interest whenever a new female is introduced to have sex with, even after cessation of sex with prior but still available sexual partners. To a lesser extent, the effect is also seen among females with regard to their mates.

Clearly explains sexuality. Even throws in humor.

What is exclude to you tube in the last two lectures?

I've always been wondering: whats that word he uses quite frequently, it sounds to me like "dicotomous"? greetings from abroad

Can someone tell me what the readings are?

I love numerous number 16 full stop 🛑

Coolidge Effect 18:00... an old joke about Calvin Coolidge when he was President ... The President and Mrs. Coolidge were being shown [separately] around an experimental government farm. When [Mrs. Coolidge] came to the chicken yard she noticed that a rooster was mating very frequently. She asked the attendant how often that happened and was told, "Dozens of times each day." Mrs. Coolidge said, "Tell that to the President when he comes by." Upon being told, the President asked, "Same hen every time?" The reply was, "Oh, no, Mr. President, a different hen every time." President: "Tell that to Mrs. Coolidge."

The perfume study makes me so curious because there are so many types of perfume. How many in this current day actually have those “male hormones”?

Chastity belts likely never really existed in the way they have been imagined. There is an article on Atlas Obscura.

40:20 - 40:35 What book? The Jungle book?

Does anyone know where I can find that paper by doctor anonymous and beard growth?

@JAYDUBYAH29 If you look in the suggestions now it is up . I think they just uploaded it in the wrong order.

This lectures are amazing!! Can someone recommend a good book about human sexual behavior?

how more lectures is there

its really interesting to me that hormones and gonads affect tactile reception.

the transcript is hilarious - clearly this was not remotely edited!

1:15:00 Our Closest Genetic Relative

My question is; because we model our primal existence, and can continue our specific primal actions, what SHOULD we do for an optimal human future existence? If a goal of future human existence is to continue and expand the enabling of violence and chaos, I suppose our present course should continue.