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SUMMARY:Seeing in depth: computations and cortical networks - Andrew Welch
 man\, Department of Psychology\, University of Cambridge
DTSTART:20140415T100000Z
DTEND:20140415T110000Z
UID:TALK51965@talks.cam.ac.uk
CONTACT:Microsoft Research Cambridge Talks Admins
DESCRIPTION:Human perception is remarkably flexible: we experience vivid 3
 -D structure under diverse conditions from the seemingly random dots of a 
 ‘magic eye’ stereogram to the aesthetically beautiful\, but obviously 
 flat\, canvasses of the Old Masters. How does the brain achieve this appar
 ently effortless robustness? Using modern brain imaging methods we are beg
 inning to unpick how different parts of the visual cortex support 3-D perc
 eption\, tracing different computations in the dorsal and ventral pathways
 . In this talk I will describe work that combines behaviour\, fMRI\, TMS a
 nd computational analysis. By integrating these methods\, we are uncoverin
 g different types of processing that support the different computational g
 oals of (a) maximising separation of signals and (b) reducing variance of 
 estimators.
LOCATION:Auditorium\, Microsoft Research Ltd\, 21 Station Road\, Cambridge
 \, CB1 2FB
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