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DTSTAMP:20260404T015556Z
UID:1619182800@ist.ac.at
DTSTART:20210423T150000
DTEND:20210423T160000
DESCRIPTION:Speaker: Yiota Poirazi\nhosted by Tim Vogels\nAbstract: Dendrit
 es are thin processes that extend from the cell body of neurons\, the main
  computing units of the brain. The role of dendrites in complex brain func
 tions has been investigated for several decades\, yet their direct involve
 ment in key behaviors such as for example sensory perception has only rece
 ntly been established. In my presentation I will discuss how computational
  modelling has helped us illuminate dendritic function [1]. I will present
  the main findings of a number of projects in lab dealing with dendritic n
 onlinearities in excitatory and inhibitory and their consequences on neuro
 nal tuning [2] and memory formation [3]\, the role of dendrites in solving
  nonlinear problems in human neurons [4] and recent efforts to advance mac
 hine learning algorithms by adopting dendritic features.[1] Panayiota Poir
 azi & Athanasia Papoutsi. Illuminating dendritic function with computation
 al models. Nature Reviews Neuroscience\, 11 May 2020 | DOI: 10.1038/s41583
 -020-0301-7[2] Tzilivaki A\, Kastellakis G\, Poirazi P. Challenging the 
 point neuron dogma: FS basket cells as 2-stage nonlinear integrators. Nat 
 Commun. 2019 Aug 14\;10(1):3664. doi: 10.1038/s41467-019-11537-7.[3] Park\
 , J.\, Papoutsi\, A.\, Ash\, R. T.\, Marin\, M. A.\, Poirazi\, P.\, Smirna
 kis\, S. M. Contribution of apical and basal dendrites to orientation enco
 ding in mouse V1 L2/3 pyramidal neurons. Nat. Commu.\, 26 November 2019. |
  doi: https://doi.org/10.1038/s41467-019-13029-0[4] Gidon A\, Zolnik TA\, 
 Fidzinski P\, Bolduan F\, Papoutsi A\, Poirazi P\, Holtkamp M\, Vida I\, L
 arkum ME. Dendritic action potentials and computation in human layer 2/3 c
 ortical neurons. Science. 2020 Jan 3\;367(6473):83-87. doi: 10.1126/scienc
 e.aax6239.
LOCATION:Online\, ISTA
ORGANIZER:
SUMMARY:Yiota Poirazi: How dendrites help solve biological and machine lear
 ning problems
URL:https://talks-calendar.ista.ac.at/events/3132
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