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DTSTART:20130331T030000
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DTSTART:20121028T020000
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BEGIN:VEVENT
DTSTAMP:20260505T025911Z
UID:50a4f5ceb5a27@ist.ac.at
DTSTART:20130128T163000
DTEND:20130128T173000
DESCRIPTION:Speaker: Elad Schneidman\nAbstract: Information is carried in t
 he brain by the joint electrical spiking patterns of large\ngroups of neur
 ons\, also known as the "neural code". The response of neurons to\nrepeate
 d stimuli is surprisingly unreliable. The noisy nature of neurons limits t
 he\ncapacity of spiking patterns to convey information\, and how it can be
  read by the\nbrain. To accurately decode the joint activity of neurons\, 
 the brain must overcome\nthis noise and identify which patterns are semant
 ically similar. We show that\, in the\nvertebrate retina\, accurate models
  of network noise allow us to build a neural\nthesaurus\, measuring the si
 milarity between population responses to visual stimuli\nbased on the cont
 ent they carry. This thesaurus reveals that the neural code is\norganized 
 in clusters of synonym-like patterns that are similar in meaning\, but may
 \nappear different syntactically. This structure is highly reminiscent of 
 the codebook\norganization of engineered codes. We suggest that the brain 
 may use this structure\,\nand show how it allows the accurate decoding of 
 novel stimuli from novel spiking\npatterns.
LOCATION:Raiffeisen Lecture Hall\, Central Building\, ISTA
ORGANIZER:mtrappl@ist.ac.at
SUMMARY:Elad Schneidman: The Institute Colloquium: TBA
URL:https://talks-calendar.ista.ac.at/events/474
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