“…However, conflicting evidence from recent studies has cast doubt on this explanation (J. Levine, Spillmann, & Wolf, 1980;Lingelbach, Block, Hatzky, & Reisinger, 1985;Lingelbach & Ehrenstein, 2002;Schiller & Carvey, 2005;Spillmann, 1971Spillmann, , 1994Spillmann & Levine 1971). Recently, Schiller and Carvey proposed a new interpretation, focusing on certain properties of the S1-type simple cells in the primary visual cortex.…”