Purchase this article with an account.
or
Journal of Vision. 2013; 13(9):1306. https://doi.org/10.1167/13.9.1306
Journal of Vision. 2012; 12(9):489. https://doi.org/10.1167/12.9.489
Journal of Vision. 2011; 11(11):573. https://doi.org/10.1167/11.11.573
This PDF is available to Subscribers Only