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SUMMARY:The representational dynamics of visual objects in rapid serial vi
 sual processing streams - Tijl Grootswagers\; School of Psychology\, The U
 niversity of Sydney\, NSW\, Australia
DTSTART:20190805T113000Z
DTEND:20190805T123000Z
UID:TALK128329@talks.cam.ac.uk
CONTACT:Olaf Hauk
DESCRIPTION:In our daily lives\, we are bombarded with a stream of rapidly
  changing visual input. Yet\, when studying brain representations\, stimul
 i are generally presented in isolation. Here\, we studied the representati
 onal dynamics of human vision using a combination of fast stimulus present
 ation rates\, EEG\, and multivariate decoding analyses. Using presentation
  rates of 5 images per second\, we were able to obtain the representationa
 l structure of a large number of stimuli\, and showed the emerging abstrac
 t categorical organisation of this structure. In a second experiment\, we 
 replicated these results and explored how varying the presentation rate af
 fects the amount of processing for individual stimuli. These results show 
 that the combination of fast stimulus presentation rates and multivariate 
 decoding analyses has unprecedented potential for studying the temporal dy
 namics of information coding in the human visual system.
LOCATION:Lecture Theatre\, MRC Cognition and Brain Sciences Unit\, 15 Chau
 cer Road\, Cambridge
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