Purchase this article with an account.
or
Journal of Vision. 2004; 4(8):369. https://doi.org/10.1167/4.8.369
Journal of Vision. 2003; 3(9):584. https://doi.org/10.1167/3.9.584
Journal of Vision. 2002; 2(7):238. https://doi.org/10.1167/2.7.238
This PDF is available to Subscribers Only