Omar Hassan

GABA, noise and gain in human visual cortex

J. Larsson, S. Hammett, Emily Cook, 2020, Neuroscience Letters.

Perceived speed in peripheral vision can go up or down.

Peter Thompson, Stephen T Hammett, P. Thompson, 2016, Journal of vision.

Perceptual biases are inconsistent with Bayesian encoding of speed in the human visual system.

Omar Hassan, Stephen T Hammett, S. Hammett, 2015, Journal of vision.

Brightening and Dimming Aftereffects at Low and High Luminance

M. Georgeson, S. Hammett, Omar Hassan, 2018, Vision.