TY - GEN AU - Graham,N AU - Beck,J AU - Sutter,A TI - Nonlinear processes in spatial-frequency channel models of perceived texture segregation: effects of sign and amount of contrast SN - 0042-6989 PY - 1992///1029 KW - Contrast Sensitivity KW - physiology KW - Form Perception KW - Humans KW - Light KW - Models, Biological KW - Space Perception N1 - Publication Type: Journal Article; Research Support, U.S. Gov't, Non-P.H.S.; Research Support, U.S. Gov't, P.H.S UR - https://doi.org/10.1016/0042-6989(92)90188-o ER -