Purchase this article with an account.
or
Journal of Vision. 2010; 10(7):750. https://doi.org/10.1167/10.7.750
Journal of Vision. 2006; 6(6):365. https://doi.org/10.1167/6.6.365
Journal of Vision. 2005; 5(8):396. https://doi.org/10.1167/5.8.396
This PDF is available to Subscribers Only