C. Aubuchon, R. Vergne, S.A. Cholewiak, B. Kunsberg, D. Holtmann-Rice, S.W. Zucker, & R.W. Fleming, Orientation fields predict human perception of 3D shape from shading, Proc. Natl. Acad. Sci. U.S.A.

Shading brings 3D forms to life, beautifully carving out the shape of objects around us. Despite the importance of shading for perception, scientists have long been puzzled about how the brain ...