1. Two Cortical Visual Systems;Ungerleider,1982
2. The Color-Opponent and Broad-band Channels of the Primate Visual System;Schill;Trends Neurosci,1990
3. How Parallel are the Primate Visual Pathways?;Merigan;Annu Rev Neurosci,1993
4. Physiological Evidence for Two Visual Subsystems;Maunsell,1987
5. Segregation of Form, Color, Movement and Depth: Anatomy, Physiology, and Perception;Livingstone;Science,1988