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SUMMARY:‘I can get that song out of your head: Decoding perceptual repre
 sentations with retinotopic and tonotopic maps.’ - Geoffrey M. Boynton\,
  Jessica Thomas\, and Ione Fine\, University of Washington
DTSTART:20141125T130000Z
DTEND:20141125T140000Z
UID:TALK54788@talks.cam.ac.uk
CONTACT:John Mollon
DESCRIPTION:I will discuss recent work in our lab using retinotopic maps i
 n visual cortex and tonotopic maps in auditory cortex to estimate the perc
 eptual representations of visual and auditory stimuli.  I will show how th
 e spatial pattern of fMRI responses in the primary visual cortex can predi
 ct the spatial location of a stimulus to within one degree of visual angle
 \, and how these responses follow an illusory shift in perceived location.
   Analogously\, I will show how tonotopic maps in primary auditory cortex 
 can be used to estimate the frequency of an auditory stimulus.  Finally\, 
 I will present (very) preliminary work suggesting that frequency-dependent
  fMRI responses in the left planum temporale can be used to predict the id
 entity of an imagined song.
LOCATION:Kenneth Craik Room\, Craik-Marshall Building\, Downing Site
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