Purchase this article with an account.
or
Journal of Vision. 2004; 4(8):220. doi: https://doi.org/10.1167/4.8.220
Journal of Vision. 2002; 2(7):434. doi: https://doi.org/10.1167/2.7.434
Journal of Vision. 2002; 2(7):446. doi: https://doi.org/10.1167/2.7.446
This PDF is available to Subscribers Only