Is the illusory triangle physical or imaginary?

Sequence regularity and geometry of orientation columns in the monkey striate cortex

David H. Hubel, Torsten N. Wiesel · The Journal of Comparative Neurology · 1974 · 1K citations

Life Sciences, Neurobiology, Neuroscience +13

Cognitive Contours

Richard L Gregory · Nature · 1972 · 246 citations

A Theory of Pattern Perception Based on Human Physiology

Matthew Kabrisky, Oliver H. Tallman, Catherine Day et al. · Ergonomics · 1970 · 25 citations

Life Sciences, Computer Science, Neuroscience +17

The Application of Filtered Transforms to the General Classification Problem

Joseph W. Carl, Charles Francis Hall · IEEE Transactions on Computers · 1972 · 18 citations

Computing, Computer Science, Electrical Engineering +17