Keithan Ducre

GPA: 3.9 / 4.0 · Honors Thesis: "CAUTION—Objects appear larger than they appear: the curious case of perceptual magnification"

Co-leading a psychophysics project on size perception in naturalistic environments. Recruiting participants for a longitudinal study merging eye-tracking data with neural development of the visual cortex. Conducting structural and functional MRI protocols. Mentoring and managing a cross-disciplinary team.

Authored an honors thesis on modeling human size perception in naturalistic scenes, recruiting over 300 in-person participants across six experiments. Assisted in data pre-processing and segmentation of weighted T1 infant MRI images. Co-authored a Nature Communications paper on neuroanatomical development in infants.

Grill-Spector, K., Ducre, K., Horenziak, J., & Xu, P. (in preparation). Why does the moon look bigger on the horizon? The curious case of perceptual magnification.

Tung, S. S., ..., Ducre, K., ..., et al. (2026). How do infant brains fold? Sulcal deepening is linked to development of sulcal span, thickness, curvature, and microstructure. Communications Biology.

Led weekly discussion sections for introductory psychology, designed active-learning activities, and held office hours. Nominated for the Zimbardo Teaching Prize.

Supported instruction in cognitive neuroscience, facilitated student understanding of neuroimaging methods and experimental design.

Supported first-year students in navigating the academic and social transition to university life.

Conducted one-on-one writing consultations across academic disciplines. Led workshops to support underrepresented students, promoting equitable access to higher education.

Taught an enrichment course for high school students exploring visual perception, optical illusions, and neuroscience.

Synthesized user data across platforms to support a global site redesign. Implemented changes to Stanford's social media identity using Adobe Creative Suite. Managed workflows in Asana and produced digital content across platforms.

Developed and led over 20 community-building events to foster inclusivity and belonging among a diverse student body.

Managed a year-long mentorship program for incoming Black students, connecting new students with community through engaging programming and academic support.