Purchase this article with an account.
or
Journal of Vision. 2008; 8(6):1054. https://doi.org/10.1167/8.6.1054
Journal of Vision. 2006; 6(6):174. https://doi.org/10.1167/6.6.174
Journal of Vision. 2004; 4(8):699. https://doi.org/10.1167/4.8.699
This PDF is available to Subscribers Only