Morality Lab

@MoralityLab

Tweets from the labs of Joshua Greene and Fiery Cushman

Vrijeme pridruživanja: ožujak 2015.
7 fotografija ili videozapisa Fotografije i videozapisi

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  1. proslijedio/la je Tweet
    25. sij

    ...starting with this one . Led by Adam Morris & of the , it offers, among other things, a beautifully written, crystal clear articulation of some core concepts, methods & current debates in the computational RL literature.

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  2. proslijedio/la je Tweet
    24. sij

    "Our newest work on moral cognition, which is led by & supported by Beyond Conflict, examines as a tool for reducing antipathy between moral tribes." ↪️Learn more about the led by Joshua Greene.

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  3. 14. sij

    New paper in Annual Review of Psychology. Concepts and Compositionality: In Search of the Brain’s Language of Thought. Big congrats to lead author Steven Frankland on this ambitious work—four years in the making! or ($ wall version)

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  4. proslijedio/la je Tweet
    28. pro 2019.

    “two experiments ...dissociate [model-free reinforcement learning about actions] from [model-based selection of chained action sequences], and present unconfounded empirical support for the role of [the former].” Via Adam Morris and 👇

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  5. 13. pro 2019.

    New preprint: Showcases the beautiful work of and Arunima Sarin on the communicative dimension of punishment.

    A new theoretical proposal argues that *in addition to* its role in incentivizing behavior (existing models), punishment should also be seen as a form of communication ft. , A. Sarin, &
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  6. proslijedio/la je Tweet
    12. pro 2019.

    Cool paper I ran across last night (you can tell when I'm doing lit review for my own papers). There's a weird surface disconnect between the 'intuitive cooperation' lit. and aggression lit that says its automatic/reactive-

    5 proslijeđenih tweetova 17 korisnika označava da im se sviđa
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  7. proslijedio/la je Tweet
    13. stu 2019.

    Veil-of-ignorance reasoning favors the greater good ft. "These studies indicate that veil-of-ignorance reasoning may be used to promote decision making that is more impartial and socially beneficial."

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  8. proslijedio/la je Tweet
    28. lis 2019.

    Our new work on AI ethics in situations where humans and machines share joint control is now out in Nature Human Behavior. Some implications for deploying human-in-the-loop and machine-in-the-loop systems in the real world. Great work led by and !

    Excited to announce that our paper "Drivers are blamed more than their automated cars when both make mistakes" is now in (joint 1st author) Joshu Tenenebaum paper:
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  9. proslijedio/la je Tweet
    28. lis 2019.

    Two ways to build a thought: Distinct forms of compositional semantic representation across brain regions ft.

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  10. 1. lis 2019.

    What do conservatives know that liberals don’t? What do liberals know that conservatives don’t? Can you write multiple choice questions that reveal who knows what? Enter the Greene Lab’s contest and earn $100 for each good question you can write!

    8 replies 25 proslijeđenih tweetova 39 korisnika označava da im se sviđa
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  11. proslijedio/la je Tweet
    5. ruj 2019.

    This is one of the coolest papers I've ever had the pleasure of being a part of -- it's super fun and (I think) also gets at something really important. Would love to hear your thoughts on our proposal!

    Now on psyarxiv: “Habits of thought generate candidate actions for choice” (by Adam Morris, ). Brief thread follows with the highlights: 1/5
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  12. 5. ruj 2019.

    Check out the full paper for some of the interesting extensions and consequences of these ideas. (For instance: If you ask a person what dinner they’d least like to eat tonight, they can’t help think first of the things they’d actually like the most!) 5/5

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  13. 5. ruj 2019.

    Drawing on RL methods, we define a two-stage architecture where model-free value generates a tractable set of options to choose from, and model-based value selects among these. Our modeling shows why it works, and our experiments show that people use it. 4/5

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  14. 5. ruj 2019.

    Fortunately you don’t have to. Somehow, the mind unconsciously generates a tractable “choice set”—a small set of options for you to choose between. How do we do this so quickly and efficiently? And how is it different from conscious, deliberative choice? 3/5

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  15. 5. ruj 2019.

    Most decision-making studies ask people to choose between just two things—say, coffee or tea. But in the real world there are often a vast number of options for us to choose between. Imagine all the beverages within a mile of you—you couldn’t possibly consider them all. 2/5

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  16. 5. ruj 2019.

    Now on psyarxiv: “Habits of thought generate candidate actions for choice” (by Adam Morris, ). Brief thread follows with the highlights: 1/5

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  17. proslijedio/la je Tweet
    4. ruj 2019.

    30 min. Listen | Morality Scaled Up | Dr. Joshua Greene Talks with |

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  18. 26. kol 2019.

    We show this a few different ways, provide a mathematical characterization, and then consider some possible explanations. Forthcoming in Cognition.

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  19. 26. kol 2019.

    It turns out that what comes to mind is a combination of what is “probable” and what is “ideal” — and in a really interesting way. Specifically, these properties *interact*: We aren’t biased by probability and value independently, but jointly.

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  20. 26. kol 2019.

    Other kinds of vacations are more “ideal”, or valuable, than others. E.g., I’d rather vacation in Mauritius than Cape Cod (even though it’s more probable that I’ll actually vacation on the Cape).

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