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SUMMARY:Explorations in computing motion and their implications for motion
  processing in monkey and man. - Professor Alan Johnston\, University of N
 ottingham
DTSTART:20170503T120000Z
DTEND:20170503T130000Z
UID:TALK71711@talks.cam.ac.uk
CONTACT:John Mollon
DESCRIPTION:There are a number of observations that do not fit neatly into
  the common “back pocket” model of primate motion processing. Space-ti
 me receptive fields are not ideal speed-tuned motion detectors. In additio
 n\, although some neurons are tuned for speed\, some speed-coded neurons m
 onotonically reduce their firing rate with speed and some monotonically in
 crease their firing rate. Paradoxically\, some neurons respond well to pla
 ids but not to gratings. A unified model of motion processing of 1D and 2D
  pattern will be described that computes image velocity and also attempts 
 to accommodate these findings. 
LOCATION:Kenneth Craik Room\, Craik-Marshall Building\, Downing Site
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