p117fig03.42 Two paintings by Frank Stella.   See the text for details.<BR>|| <I>Firzubad</i> (top row) ... and <I>Khurasan Gate (variation)</i> (bottom row). p117c1h0.75 "... The luminance and color structure within a painting affects how it groups and stratifies the figures within it.  These processes, in turn, affect the formation of attentional shrouds that organize how spatial attention is is allocated as we view them. ..." "... Stella wrote <I>Furzabad</i> is a good example of of lookng for stability and trying to create as much instability as possible. 'Cause those things are like bicycle wheels spinning around'."