1. Human peripheral resolution for chromatic and achromatic stimuli-limits imposed by optical and retinal factors;Anderson;Vision Research,1991
2. Memory representations in natural tasks;Ballard;Journal of Cognitive Neuroscience,1995
3. Deictic codes for the embodiment of cognition;Ballard;Behavioral and Brain Sciences,1997
4. Learning receptive fields;Barrow,1987
5. The `independent components' of natural scenes are edge filters;Bell;Vision Research