News
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New paper on teleological generics in press at Cognition
Joanna Korman and I have a new paper out in Cognition that examines statements such as “cars are for driving”. The statement is interesting, because people tend to accept it, though they reject statements such as “cars are for parking”, even though you park cars just as often as you drive them. Such statements are… Continue reading
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Harner to show new work on omissive causes at AIC 2019 in Manchester
Hillary Harner will present a paper by Gordon Briggs, herself, Christina Wasylyshyn, Paul Bello, and myself titled “Neither the time nor the place: Omissive causes yield temporal inferences” at this year’s International Workshop on AI and Cognition (AIC 2019). The paper describes an oddity in reasoning about “omissive causes” — situations when something happens as… Continue reading
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LRW talk on the dynamic processing of perceptual models
I presented work by Neha Bhat on how to leverage object detection algorithms to build spatial mental models at the 2019 London Reasoning Workshop. The abstract is here: We describe a novel computational system that processes images in order to dynamically construct and update iconic spatial simulations of the world — the equivalent of perceptual… Continue reading
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A novel algorithm for causal deduction in ICCM Proceedings
Gordon Briggs and I presented a new computational model and a novel dataset on how people make generative causal deductions at this year’s International Conference on Cognitive Modeling (ICCM). For instance, if you know that habituation causes seriation and that seriation prevents methylation, you don’t need to know what all those words mean in order… Continue reading
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Harner presented work on teleological generics at SPP
Hillary Harner presented our latest work on teleological generics at SPP. The abstract of her work is available here: People can describe generalizations about the functions of objects by producing teleological generic language, i.e. those statements that express generalities about the purposes of objects. People accept teleological generics such as eyes are for seeing and… Continue reading
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Kelly’s work on durational reasoning at LRW and CogSci
Laura Kelly presented new research on reasoning about durations at the 2019 London Reasoning Workshop. The abstract of her talk is here: Few experiments have examined how people reason about durative relations, e.g., “during”. Such relations pose challenges to present theories of reasoning, but many researchers argue that people simulate a mental timeline when they… Continue reading
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New paper on why machines can’t reason yet
A major failure of current AI systems is that they can’t mimic common sense reasoning: most ML systems don’t reason, and all theorem provers draw trivial and silly deductions. We analyze why — and suggest a path forward — in a new paper now out in German AI journal Künstliche Intelligenz: AI has never come… Continue reading
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Recent research featured by the Psychonomics Society
Thomas the loop engine: Learning to program computers with a toy train Anja Jamzorik recently featured our latest paper in Memory & Cognition for the The Psychonomics Society website; check it out! Continue reading
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Postdoc positions in cognitive science at NRL
[Edit 2018-10-16: My lab is looking for a new postdoc interested in studying epistemic reasoning!] I’m currently seeking applicants for multiple postdoctoral positions to collaborate on ongoing initiatives, including (but not limited to): Testing a unified computational framework of reasoning [New!] Studying how people reason about epistemics, i.e., knowledge and belief Studying how people engage… Continue reading
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Paper on omissive causes in Memory & Cognition
When something happens bc something else didn’t occur, it’s called “omissive causation” — like when your phone dies because you didn’t charge it. Our new theory in Memory & Cognition predicts how people mentally simulate omissions. It predicts that people should prioritize possibilities corresponding to mental models of omissive causal relations, and that they should… Continue reading
About Me

I am a Senior Cognitive Scientist at the US Naval Research Laboratory in Washington, DC. I run the Reasoning Lab at NRL, where we study and build simulations of the mental processes that underlie everyday human reasoning.
Recent Posts
- Kon describes modeling work on pursuit perception at ICCM 2025
- Talk on reasoning at “Cognition Across NIH” workshop
- Congratulations to Branden Bio!
- Paper on latent scope biases now out in Cognition
- Research on “chases” published in CogSci 2024 Proceedings
- Symposium on explanatory reasoning at ICT 2024
- Paper in Cognitive Development on how children use the word “want”
- New feature in The Reasoner on the Handbook of Rationality
- PNAS paper on truth values outside logic
- Research on mental state reasoning published at CogSci 2023