Purchase this article with an account.
or
Journal of Vision. 2007; 7(9):663. https://doi.org/10.1167/7.9.663
Journal of Vision. 2005; 5(8):553. https://doi.org/10.1167/5.8.553
Journal of Vision. 2004; 4(8):876. https://doi.org/10.1167/4.8.876
This PDF is available to Subscribers Only