Greg Detre
David Hubel
18/5/01
form is much harder than motion, colour and depth
Walter Reed Institute, 1954, tried to record from cortex of living cats � the field was in its infancy
visual cortex � less muscle between visual cortex
cells there seemed to ignore torch flashed in cat�s face
but responded to hands waved in front
depending on hand movement direction
Kuffler 1950s Cold Spring article � on/off centre
brown = orange surrounded by something bright
white and black aren't related to the absolute amount of light � relative
black in a newspaper headlines = 10x white of paper in a dark room
what role microsaccades???
if glue on the image retina, the image will fade