Luke McEllin

In case you want to see how movement speed reflects subjective utility in real time!

Snap up this opportunity that’s too good to miss—and no, I’m not talking about reading this paper! The speed with which an actor reaches for a foraging stimulus signals its value to observers, who use this to guide their own foraging behaviour.

@curionia.bsky.social
@sombylab.bsky.social

A learning and memory account of impression formation and updating

Perspective by David M. Amodio (@davidamodio.bsky.social)

Web: go.nature.com/3YTubx3
PDF: rdcu.be/ejREM

#psychology #psychscisky

Or indeed other mammals!

Thanks! Looking forward to seeing what you think. I wonder if we could see something like this in great apes?

Observed reaching speed signals stimulus value and informs foraging Optimal foraging requires agents to strike a balance between potential costs and rewards of interacting with stimuli in the environment. Research on h…

www.sciencedirect.com/science/arti...

@curionia.bsky.social @sombylab.bsky.social

Observed reaching speed signals stimulus value and informs foraging Optimal foraging requires agents to strike a balance between potential costs and rewards of interacting with stimuli in the environment. Research on h…

www.sciencedirect.com/science/arti...

@curionia.bsky.social @sombylab.bsky.social

This highlights the role of action understanding in learning about stimuli in the environment without the need for trial and error or explicit communication—simply by allowing us to ‘read’ value from how others approach things in our environment.

Snap up this opportunity that’s too good to miss—and no, I’m not talking about reading this paper! The speed with which an actor reaches for a foraging stimulus signals its value to observers, who use this to guide their own foraging behaviour.

1/ Our new paper in which we looked at subjective and objective performance when teleoperating a semi-autonomous robot.

Together with Ilkay Ari, Davide De Tommaso &
Agnieszka Wykowska

ieeexplore.ieee.org/abstract/doc...

My paper proposing that we develop self-representation in a series of discontinuous developmental steps, based on ideas from Bayes and Susan Carey is out in Front in Hum Neurosci

"How to grow a self: development of self-representation in the Bayesian brain"

www.frontiersin.org/journals/hum...

Whoever recruits Denis Tatone will be doing themselves a huge favour!

First bsky post and new paper alert! 🚨

Late to sharing this, but here's a short review of a decade of work with Gergely Csibra on how infants represent giving, and why it matters (for event cognition and the origins of the relational mind).

Thread below! 🧵👇

http://t.ly/S6cLw

(1/15)

This demonstrates that the synchrony by which a group plans and executes contributions to a public good influence judgments of how cooperatively the group acted. This highlights the importance of action dynamics for understanding cooperation.

For both experiments, estimates of how much was in the pot were higher for synchronous than asynchronous groups, demonstrating that the temporal dynamics of an interaction contain signals of a group’s level of cooperativity.

Experiment 1 (N = 136 adults) manipulated the synchrony between players’ decision-making time, and Experiment 2 (N = 136 adults) manipulated the synchrony between players’ decision-implementing movements.

Participants watched animations of actors deciding how much to donate in a public-goods game and using a mouse to drag donations to a public pot. Participants then estimated how much was in the pot in total (as an index of how cooperative they thought the group members were).

Considering that synchrony in rhythmic interactions signals cooperative attitudes within a group, we aimed to investigate whether synchronous group behavior within an economic interaction raises expectations about group members acting in line with the collective interest.

New paper out in @psychscience.bsky.social

We find that the synchrony between individual responses in a public goods game influence observers estimates of cooperation. Paper and thread below.

doi.org/10.1177/0956...

"As we move into 2024, time for some shameless self-promotion. Check out our paper in Perspectives on Psychological Science:

""Flexible Cultural Learning Through Action Coordination""

Paper: http://tinyurl.com/v39xtx5s
Preprint: https://psyarxiv.com/ahrgs/

🧵👇"

It’s all in the hands! The next time someone gives you a birthday gift, look at how they are moving to decide whether you really want to invite them to the party!

We found that people prefer to interact with actors who implement cooperative decisions quickly or with smooth and direct movements, as this reflects confidence about a decision.

The way someone moves when implementing a cooperative action carries useful signals that may inform an economic interaction.

Action planning and execution cues influence economic partner choice www.sciencedirect.com/science/arti...

"We show that Guinea baboons (Papio papio) can use direct reciprocity and partner choice to develop and maintain high levels of cooperation in a prosocial choice task."
www.science.org/doi/10.1126/...

This is a gently reminder that you still have 10 days (until November 17) to register for the Wisdom of the Crowd: Crowd Analysis Project (woccap.com). Submit a Wisdom of the Crowd aggregation mechanism, then we'll test it. Spread the word.

Depersonalization affects self-prioritization of bodily, but not abstract self-related information

Our new study out in Journal of Experimental Psychology

Together with Anna Ciaunica , @lukemcellin.bsky.social & @hohwy.bsky.social

psycnet.apa.org/doiLanding?d...