Purchase this article with an account.
or
Journal of Vision. 2013; 13(9):650. https://doi.org/10.1167/13.9.650
Journal of Vision. 2012; 12(9):1161. https://doi.org/10.1167/12.9.1161
Journal of Vision. 2011; 11(11):138. https://doi.org/10.1167/11.11.138
This PDF is available to Subscribers Only