Extraversion and fast life history strategy might as well be the same thing

This study is like crack for people like me. I don’t think I’ve been so obsessed with a single blog post since 2015, so thank you iSteve for providing me with a peak experience.

Table 2.The top 20 plot keywords with the strongest positive and negative associations with each dimension of the Big Five traits, controlling for demographic and metadata variables. Values represent the predicted difference between the aggregate fan personality trait of a movie that only includes the corresponding keyword and the average movie in the dataset.

Here are the words associated with high Extraversion:

  • dating
  • gay slur
  • break up
  • ex boyfriend ex girlfriend relation
  • roommate
  • bar fight
  • beer
  • basketball
  • best friend
  • machismo
  • motel
  • gym
  • obscene finger gesture
  • bar
  • stripper
  • flirting
  • strip club
  • raised middle finger
  • singing in a car
  • hit in the crotch

I don’t know about you, but that sounds an awful lot like people with long middle fingers. I think you know what I mean. No? I’m talking about basketball Americans. Still no? I mean niggers.

Early-Life Stressors, Personality Development, and Fast Life Strategies: An Evolutionary Perspective on Malevolent Personality Features

Life history theory posits that behavioral adaptation to various environmental (ecological and/or social) conditions encountered during childhood is regulated by a wide variety of different traits resulting in various behavioral strategies. Unpredictable and harsh conditions tend to produce fast life history strategies, characterized by early maturation, a higher number of sexual partners to whom one is less attached, and less parenting of offspring. Unpredictability and harshness not only affects dispositional social and emotional functioning, but may also promote the development of personality traits linked to higher rates of instability in social relationships or more self-interested behavior. Similarly, detrimental childhood experiences, such as poor parental care or high parent-child conflict, affect personality development and may create a more distrustful, malicious interpersonal style. The aim of this brief review is to survey and summarize findings on the impact of negative early-life experiences on the development of personality and fast life history strategies. By demonstrating that there are parallels in adaptations to adversity in these two domains, we hope to lend weight to current and future attempts to provide a comprehensive insight of personality traits and functions at the ultimate and proximate levels.


Chimpanzee intelligence is not much lower than human intelligence. They can be taught to use money and will begin to exchange it amongst themselves. There’s even a documented case of a girl chimp selling sex for tokens and later exchanging them for grapes. The difference is that humans pass on knowledge to the next generation, and chimpanzees don’t. Vertical cultural transmission. Chimpanzees are great at learning through mimicry (“monkey see monkey do”), possibly better than humans, but their culture resets with each generation.

Take away vertical cultural transmission (AKA parental nurture, slow-life history strategy) and humans are just dumber, weaker monkeys.

On the other hand…

At the other end of the scale, the films that appeal most to introverts are largely Japanese anime such as Hayao Miyazaki’s Spirited Away.



Hmm…taking all of this together, you might even say that dopamine-addicted extraverts are broken, psychopathic predators whose populations follow Malthusian boom-bust patterns.

About Aeoli Pera

Maybe do this later?
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6 Responses to Extraversion and fast life history strategy might as well be the same thing

  1. This is some good food for thought. It doesn’t put humanity in the best light, does it?
    Anyway, happy new year! All we have left is faith (and curiosity).

  2. MM says:

    >dopamine-addicted extraverts are broken, psychopathic predators whose populations follow
    Malthusian boom-bust patterns.

    Maybe, except that is not the conclusion that the M0 paper implies. Per the model presented, it would be the most highly routinized humans that are highest in M0 (so, you. And not because ‘genius’), whereas those constantly engaged in social and environmental novelty (extroverts) would be the healthy and low M0 individuals who have broken out of their M0 trance…

    The M0 paper is trash- itself ironically a product of true unrefined dopaminergic creativity, with solutions that actually increase dopaminergic activity (not a bad thing necessarily).

    Feeling lazy so bulletpoints:

    -dopamine is NOT a neuroinhibitor.
    -A neurotransmitter is not a virus, and dopamine plays a central role in good human traits as well as bad. It is, after all, “the egg of the dream”.

    (great song)
    (this act of associative horizon brought to you by dopamine force)
    -Every action is a boom bust cycle. And every bust doesnt satisfy (heh)
    -Even a routinized addiction does not have the feeling of ‘mentally checking out’ described in the paper. It is a feeling of motivation, however fleeting (above and beyond the same dopaminergic feeling, much weaker, when consciously moving your body through physical space. Or mental space, actually).
    In contrast, it is possible to drive a car for long stretches truly on ‘autopilot’.
    -The medium is the message. And the medium has always been, ultimately, neurochemical.
    (“whoah”- Joe Rogan)
    Point here being the meta is stupid; you cant escape from something as fundamental to experience as routinization. Such a thing is not even desirable, save to remake routines, or engage in actual dopaminergic novelty (which is dopaminergic because it is learning and adaptation, so as to routinize for efficiency of the brain. However, allowing ossification in the realm of ideas will lead to trouble, unless your constructs were actually approaching truth before you stopped being able to change them)
    -‘Dopamine addicted introverts’ are also generally pretty nasty to tell the truth, but they have some edge case usage (genius, art) that is more helpful in totality than the theorized edge case ‘not shitty dopamine addicted extrovert leader’ (who is just so fucking smart in this example that they can get by and actually make not retarded decisions on the fly while being all charismatic n shit).
    Dopamine addicted extroverts can make good rock singers and actors. And in fairness they can be good at anything else too as long as they are smarter than necessary for the job, and not evil. Extroversion+dopamine addiction+not high IQ= likely degens, some legit evil. Beyond that idk.
    -*Dopamine is so powerful because it is orientation via the dream (the second worlds: imagination, goal, any ‘look’ into past or future or alternate space, etc.), the control of conscious movement, and learning.
    All three aligned is experienced as the true feeling of ‘Becoming’
    (felt as: “this is wondrous destiny”).

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