Explorations in computing motion and their implications for motion processing in monkey and man.

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• Professor Alan Johnston, University of Nottingham
• Wednesday 03 May 2017, 13:00-14:00
• Kenneth Craik Room, Craik-Marshall Building, Downing Site.

If you have a question about this talk, please contact John Mollon.

The host for this talk is Andrew Welchman (aew69@cam.ac.uk)

There are a number of observations that do not fit neatly into the common “back pocket” model of primate motion processing. Space-time receptive fields are not ideal speed-tuned motion detectors. In addition, although some neurons are tuned for speed, some speed-coded neurons monotonically reduce their firing rate with speed and some monotonically increase their firing rate. Paradoxically, some neurons respond well to plaids 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.

This talk is part of the Craik Club series.

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