Lex Fridman Podcast
#483 โ Julia Shaw: Criminal Psychology of Murder, Serial Killers, Memory & Sex
Yeah, so each trait on the dark tetrad, as it's called, which is the four traits that are associated with dark personality traits.
Lex Fridman Podcast
#483 โ Julia Shaw: Criminal Psychology of Murder, Serial Killers, Memory & Sex
So things that we often associate with the word evil, like sadism, which is a pleasure in hurting other people.
Lex Fridman Podcast
#483 โ Julia Shaw: Criminal Psychology of Murder, Serial Killers, Memory & Sex
Machiavellianism, which is doing whatever it takes to get ahead.
Lex Fridman Podcast
#483 โ Julia Shaw: Criminal Psychology of Murder, Serial Killers, Memory & Sex
Narcissism, which is taking too much pleasure in yourself and seeing yourself as superior to others.
Lex Fridman Podcast
#483 โ Julia Shaw: Criminal Psychology of Murder, Serial Killers, Memory & Sex
And then there's psychopathy.
Lex Fridman Podcast
#483 โ Julia Shaw: Criminal Psychology of Murder, Serial Killers, Memory & Sex
Psychopathic personality specifically often lacks in empathy.
Lex Fridman Podcast
#483 โ Julia Shaw: Criminal Psychology of Murder, Serial Killers, Memory & Sex
And it's usually characterized by a number of different traits, including a parasitic lifestyle.
Lex Fridman Podcast
#483 โ Julia Shaw: Criminal Psychology of Murder, Serial Killers, Memory & Sex
So mooching off of others, deceptiveness, lying to people.
Lex Fridman Podcast
#483 โ Julia Shaw: Criminal Psychology of Murder, Serial Killers, Memory & Sex
And again, that empathy dimension where you are more comfortable hurting other people because you don't feel sad when other people feel sad.
Lex Fridman Podcast
#483 โ Julia Shaw: Criminal Psychology of Murder, Serial Killers, Memory & Sex
Now, all of those traits, psychopathy, sadism, Machiavellianism, and narcissism, all of them have a scale.
Lex Fridman Podcast
#483 โ Julia Shaw: Criminal Psychology of Murder, Serial Killers, Memory & Sex
And so you can be low on each of those traits or you can be high on each of those traits.
Lex Fridman Podcast
#483 โ Julia Shaw: Criminal Psychology of Murder, Serial Killers, Memory & Sex
And what the dark tetrad is, it's actually a way of classifying people into those who might be more likely to engage in risky behaviors or harmful behaviors and those who are not.
Lex Fridman Podcast
#483 โ Julia Shaw: Criminal Psychology of Murder, Serial Killers, Memory & Sex
And if you score high on all of them, you're most likely to harm other people.
Lex Fridman Podcast
#483 โ Julia Shaw: Criminal Psychology of Murder, Serial Killers, Memory & Sex
But each of us scores somewhere.
Lex Fridman Podcast
#483 โ Julia Shaw: Criminal Psychology of Murder, Serial Killers, Memory & Sex
So I might score low on sadism, but higher on narcissism.
Lex Fridman Podcast
#483 โ Julia Shaw: Criminal Psychology of Murder, Serial Killers, Memory & Sex
And in all of them, I'm probably subclinical.
Lex Fridman Podcast
#483 โ Julia Shaw: Criminal Psychology of Murder, Serial Killers, Memory & Sex
And so this is the other thing we often talk about in psychology is that there's clinical traits and clinical diagnoses, like someone is diagnosed as having narcissism.
Lex Fridman Podcast
#483 โ Julia Shaw: Criminal Psychology of Murder, Serial Killers, Memory & Sex
Or there's subclinical, which is you don't quite meet the threshold, but you have traits that are related and that are so important for us to understand in the same context.
Lex Fridman Podcast
#483 โ Julia Shaw: Criminal Psychology of Murder, Serial Killers, Memory & Sex
Well, it's about whether you think that people are born evil.
Lex Fridman Podcast
#483 โ Julia Shaw: Criminal Psychology of Murder, Serial Killers, Memory & Sex
And so the question of would you kill B.B.