Seth Sullivan

PhD student studying motor control and decision-making. I write about computational modeling, human movement, and tools that make research workflows easier.

Researcher • Builder • Writer

Projects

Apps and tools I have been building recently.

Papers

Selected publications and works in progress.

Indecisions under a time deadline.

We found that people were suboptimal and excessively indecisive. Find out why...

Decision-making

Motor reflexes use predictions of a partner's future actions

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Joint Action Dynamic Game Theory Motor Control

Motor reflexes are differentially tuned to collaboration and competition

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Joint Action Dynamic Game Theory Motor Control

Latest writing

Notes on research workflows, tools I build, and ideas from the lab. Essays are short, practical, and focused on how we move and decide.

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Seth Sullivan © 2026