Hi! I’m Haya, a computational neuroscientist in training. I build models that read what the brain is doing from the signals it leaves behind, like a pupil changing size or a wave of EEG, and I work to hold AI systems accountable to the people they affect.
I came to Brown planning to study mathematics and philosophy. The questions stayed the same, about minds and what we can know about them; the tools changed. I also write about all of it on my Substack, Tarjama.
Research
Foundation models for pupil dynamics
In the Perception, Action & Cognition Lab, with Joo-Hyun Song and Jason Ritt, I built PupilFM, a pupillometry foundation model pretrained on 1,000+ hours of recordings from 2,000+ people. I’m asking whether it learns general pupil dynamics that reveal cognitive load, arousal and attention on tasks it has never seen. Featured in Brown News.
PUPILFMCAUSAL PRETRAINING
Causal masking: the model only ever sees the past and learns to predict what comes next. Then we probe its embeddings to see how well they predict cognitive states.
Presented at the Brown University Summer Research Symposium, 2026: Learning Task-General Signals of Cognition from Pupil Dynamics via a Pupillometry Foundation Model.H. Bugshan, T. Nguyen, J. Lader, J. Song, J. Ritt.
Kenyon cell diversity in the fruit fly brain
In the Kaun Lab, with MaryGrace Trousdell, I use machine learning to study Kenyon cells, the neurons at the heart of the fruit fly’s learning and memory center, and what makes their different types distinct. More to share once the work is published.
KAUN LABFRUIT FLY BRAIN
Zooming into a fruit fly’s brain: Kenyon cells sit in the mushroom bodies (yellow), the fly’s learning and memory center.
LLM accountability for reproductive health information
Animated illustration. Real prompts from our study, such as “where to get abortion pill”, “abortion pill near me” and “pastillas para el aborto misoprostol”, are asked to ChatGPT, Claude and Gemini, in English and Spanish, from Texas and from California. Each answer is checked for legal accuracy and access, and a grid fills in as each combination is tested.
From paper to public: I translated the research into an animated story and a searchable database that anyone can explore, no academic background needed.
Cite the website: Michelle L. Ding, Haya Bugshan, and Maja Mishevska. “NCII-ECOSYSTEM.ORG.” 2026. https://ncii-ecosystem.org
I write a Substack, Tarjama (ترجمة, “translation”), translating artificial intelligence, neuroscience, 3arabisms, womanhood, and the occasional laugh.
I’m Vice President of the AI Robotics Ethics Society at Brown, where I lead recruitment, coordinate our initiative teams, and bring in speakers and partners working across AI, robotics and ethics.
I build things outside the lab too, from vision-language model experiments to data storytelling. Check out my GitHub.