Purchase this article with an account.
or
Journal of Vision. 2005; 5(8):419. https://doi.org/10.1167/5.8.419
Journal of Vision. 2003; 3(9):679. https://doi.org/10.1167/3.9.679
Journal of Vision. 2003; 3(9):683. https://doi.org/10.1167/3.9.683
This PDF is available to Subscribers Only