http://brain.oxfordjournals.org/content/135/5/1578.full.pdf+html (Publisher version)
Thomas, C., Kveraga, K., Huberle, E., Karnath, H.-O., & Bar, M. (2012). Enabling global processing in simultanagnosia by psychophysical biasing of visual pathways. Brain, 135(5), 1578-1585. doi:10.1093/brain/aws066.