Many empirical domains center around acts of abstract perception. In this work, we are exploring the periphery of perceptual experiences, specifically the ways professional mathematicians develop their internal visualizations within domains of particular expertise. In their core domains, mathematicians report having highly vivid perceptual experiences of impossible objects such as infinite sets or multi-dimensional spaces. We apply an empirical lens which has formerly been used to understand deliberate visualization practices in Shamanic and Christian contexts to understand how mathematicians develop vividness in their visualizations, and how they exert control over them. 
We find that every mathematician in our sample engaged in these multimodal visualizations. We found that shape, movement, and color were much more common qualities than tactile and olfactory qualities. Many mathematicians reported their visualizations to be dynamic and at least partially under their control. Furthermore, visualizations tended to increase in vividness across experience within a domain.

Expert Mathematicians Experience Multi-Modal Visualizations that Develop Across Time

Mathematical concepts are paragons of abstraction. The actual practice of mathematics, though, is decidedly concrete, material, one might even say fleshy. This raises the question, What is the body doing, when the body is doing mathematics? We answer by analyzing a video corpus of mathematicians in their natural habitat: at the blackboard, chalk in hand. Mixing qualitative and quantitative analyses, we describe systematically the ways mathematicians use their bodies to write, move, and gesture. Some surprises arise, such as the observation that mathematicians point nearly constantly but seldom produce representational gestures; and that they spend most of their time away from the blackboard at which they are writing. We discuss implications for creativity, mathematical cognition, and theories of embodied and distributed cognition more broadly.

What does the body do, when it's doing mathematics?

Poster Session 2

poster

The 45th Annual Meeting of the Cognitive Science Society will take place in Sydney, Australia as a modified hybrid conference. Presentations from the main-session room will be live-streamed every day for all events. This will include all invited talks and award sessions. Recordings of all CogSci 2023 sessions will be made available for on-demand viewing after the conference.<br>
The in-person component will be held at the International Convention Centre Sydney at Darling Harbour. The Conference will take place Wednesday July 26th – Saturday July 29th, 2023 (Wednesday, July 26th is the Workshops Day).

Join us!

<br>[**The Program at a Glance can be found here**](https://cognitivesciencesociety.org/wp-content/uploads/2023/07/COgSci-PAAG-V2.pdf)
<br>[**The Detailed Program can be found here**](https://online.fliphtml5.com/ebtyf/mswz/)
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#### **CogSci 2023 Program Book**
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<br>

CogSci 2023

The 45th Annual Meeting of the Cognitive Science Society presents the latest research across cognitive science and highlights the theme of Cognition in Context.

This session has no scheduled virtual poster presentation time, but attendees will be able to comment and ask questions about your work/research asynchronously throughout the conference.<br>

**If you are a virtual poster presenter**, you can leave a message in your poster area chat space to advise times (and time zone) that you will be available either in the chat box, or by setting up your own online meeting room (Zoom, etc.).<br>
**If you are an attendee**, please check each poster's chat box and arrange time with presenter.<br>



David Landy

3

SHORT BIO

Presentations

Expert Mathematicians Experience Multi-Modal Visualizations that Develop Across Time

What does the body do, when it's doing mathematics?

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