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Dawei Bai

@daweibai

Postdoc at Yale University. I study high-level visionπŸ‘€ and motor actionπŸ‘‹ daweibai.com

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21.11.2024
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Latest posts by Dawei Bai @daweibai

Here is my commentary on the forthcoming BBS paper about core perception:

** Perception at the root of language **

"..if perception is understood in the β€˜rich’ or β€˜sophisticated’ way argued for in the target article, then one of its domains is ostension."

osf.io/preprints/ps...

11.02.2026 19:45 πŸ‘ 5 πŸ” 3 πŸ’¬ 0 πŸ“Œ 0

πŸ“£The call for commentaries is now open for our BBS paper 'Core Perception' (until Dec. 29)!
For details, visit: www.cambridge.org/core/journal...

01.12.2025 16:00 πŸ‘ 4 πŸ” 0 πŸ’¬ 0 πŸ“Œ 1
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New paper from the lab, "Perceiving Event Structure in Brief Actions," now out in Cognitive Psychology :)

Led by the inimitable Zekun Sun

This was my lab's first foray into event cognition

gift link: sciencedirect.com/science/arti...

25.11.2025 15:40 πŸ‘ 67 πŸ” 21 πŸ’¬ 2 πŸ“Œ 3

The call for commentaries hasn't gone out yet, and it should be in a few days/weeks! I'll post about it once it opens.

25.10.2025 12:49 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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πŸ“£ Out in TINS (@cp-trendsneuro.bsky.social):

Neural processing is often described as either externally or internally directed. In our new Forum article, we (@freekvanede.bsky.social & Kia Nobre) propose a multilevel framework for conceptualising external and internal continua of brain processes.

19.10.2025 07:44 πŸ‘ 36 πŸ” 16 πŸ’¬ 1 πŸ“Œ 2
Astronaut meme: "Wait, it's all perception?" "Always has been"

Astronaut meme: "Wait, it's all perception?" "Always has been"

09.10.2025 20:04 πŸ‘ 34 πŸ” 6 πŸ’¬ 1 πŸ“Œ 2

Our 'core perception' framework has many implications: it generates a ton of ready-to-test hypotheses, raises questions about conceptual development, and more.
We look forward to seeing your comments! The call will be open soon!
(If you can’t access the paper: www.daweibai.com/publications...)
[5/5]

09.10.2025 15:51 πŸ‘ 7 πŸ” 0 πŸ’¬ 2 πŸ“Œ 0

From physics to even the social domain, we consistently find this pattern: core knowledge representations also guide visual processing of objects, number, geometry, agents, etc, suggesting that these two are the same thing β€” perceptual mechanisms shared by infants and adults.
[4/5]

09.10.2025 15:51 πŸ‘ 4 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

Why think this? We show a striking and consistent overlap between (1) core representations found in infants, and (2) representations found in β€˜high-level’ adult vision. Specifically, core representations display empirical signatures of perception in adults: automatic, encapsulated, and so on.
[3/5]

09.10.2025 15:51 πŸ‘ 5 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

We argue that core knowledge β€” which is canonically considered *conceptual* (or at least non-perceptual) in nature β€” is best explained as part of *perception*. In other words, we think that infants’ early conceptual knowledge about the world should be reframed as sophisticated forms of seeing.
[2/5]

09.10.2025 15:51 πŸ‘ 8 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0
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Happy to share that our BBS target article has been accepted: β€œCore Perception”: Re-imagining Precocious Reasoning as Sophisticated Perceiving
With Alon Hafri, @veroniqueizard.bsky.social, @chazfirestone.bsky.social & Brent Strickland
Read it here: doi.org/10.1017/S014...
A short thread [1/5]πŸ‘‡

09.10.2025 15:51 πŸ‘ 96 πŸ” 39 πŸ’¬ 7 πŸ“Œ 3
APA PsycNet

The Double Ring Illusion shows that *physics* is integrated in our visual system!
Our paper pushes this illusion a lot further in various ways: adding other cues to compete with solidity, generalizing to other displays, etc. Check it out in JEP:G! doi.org/10.1037/xge0....
[6/6]

03.10.2025 14:28 πŸ‘ 6 πŸ” 2 πŸ’¬ 0 πŸ“Œ 0
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Is this percept actually explained by the proximity of the rings? Have a look at these gapped rings.
If you’re like most people, the unstable percept is restored – because the gaps remove the possibility of solidity violation.
[5/6]

03.10.2025 14:28 πŸ‘ 3 πŸ” 0 πŸ’¬ 2 πŸ“Œ 0

This suggests that the visual system β€˜knows’ that objects cannot pass through each other (i.e. β€˜solidity’ constraint), thus β€˜forcing’ you to predominantly see the motion that respects solidity (180Β° co-rotation), rather than the motion that violates it (360Β° co-rotation)!
[4/6]

03.10.2025 14:28 πŸ‘ 3 πŸ” 0 πŸ’¬ 2 πŸ“Œ 0
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How about in this case?
Surprisingly, most people *predominantly see 180Β° motion*, while 360Β° motion is hardly, if ever, perceived – even though the rings move in the same way as above!
[3/6]

03.10.2025 14:28 πŸ‘ 8 πŸ” 2 πŸ’¬ 1 πŸ“Œ 0
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How do the rings appear to move, if you fixate on the cross?
For most people, the rings move sometimes in 180Β° co-rotations (β€˜flipping’ back and forth), sometimes in 360Β° co-rotations. This multistable percept is normal, since the stimuli are ambiguous.
[2/6]

03.10.2025 14:28 πŸ‘ 2 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0
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New paper: the β€˜Double Ring Illusion’!
Does the visual system integrate *intuitive physics*? This new illusion developed by Brent Strickland and I offers a straightforward demonstration – one that you can experience yourselves!
Demos in threadπŸ‘‡
[1/6]

03.10.2025 14:28 πŸ‘ 48 πŸ” 17 πŸ’¬ 4 πŸ“Œ 0

Me please, thanks!

17.12.2024 17:05 πŸ‘ 1 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

I just discovered a thing called "hot chocolate with marshmallows" yesterday 😡

30.11.2024 22:37 πŸ‘ 0 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0