Evripidis Gkanias
Evripidis Gkanias
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Memory dynamics in Drosophila's mushroom body: a computational view
In this talk I present how our anatomically accurate incentive circuit predicts the responses of mushroom body neurons from the fruit fly brain and how they can be used to create similar behaviour to the one observed in the animals.
May 28, 2023 4:00 PM — Jun 2, 2023 6:00 PM
Orthodox Academy of Crete, Kolymbari, Greece
Evripidis Gkanias
,
Barbara Webb
How the fan-shaped body can integrate differential familiarity for route following in desert ants
We suggest a mechanism that integrates the allocentric velocity of the animal (estimated by the fan-shaped body) and the scene familiarity (estimated by the mushroom body) to a target velocity that drives the behaviour of the animal.
Oct 11, 2022 5:10 PM — 6:45 PM
Janelia Research Campus, VA
Evripidis Gkanias
,
Barbara Webb
How could the mushroom body and central complex combine for visual homing in insects?
We test the performance of the incentive circuit in the visual place recognition task and suggest that the familiarity must increase along a familiar route. Additionally, PCA whitenning and combinatorial encoding techniques enhanced the separability of visual scenes. The familiarity could be used as input to the central complex for visual homing.
Jul 25, 2022 3:00 PM — 6:00 PM
Lisbon, Portugal
Evripidis Gkanias
,
Barbara Webb
Insect-brain inspired neuromorphic nanophotonics
The goal of the project is to develop nanophotonic on-chip devices for integrated sensing and neural computation, inspired by the insect brain.
An anatomically accurate circuit for short- and long-term motivational learning in fruit flies
We present how our novel dopaminergic learning rule and the incentive circuit predict the responses of mushroom body neurons from the fruit fly brain and create similar behaviour to the one observed in the animals.
Mar 19, 2022 8:30 PM — 10:00 PM
Lisbon, Portugal
Evripidis Gkanias
,
Li Yan McCurdy
,
Michael N. Nitabach
,
Barbara Webb
An incentive circuit for memory dynamics in the mushroom body of Drosophila melanogaster
Modelling differential roles for identified dopaminergic and output neurons of the fruit-fly mushroom bodies combined with a novel dopaminergic plasticity rule explains neural and behavioural phenomena in olfactory learning tasks.
Evripidis Gkanias
,
Li Yan McCurdy
,
Michael N. Nitabach
,
Barbara Webb
The incentive circuit of the fruit fly brain: a computational perspective
In this poster we show how our anatomically accurate incentive circuit predicts the responses of mushroom body neurons from the fruit fly brain and how they can be used to create similar behaviour to the one observed in the animals.
Sep 22, 2021 5:00 PM — 6:00 PM
Online
Evripidis Gkanias
,
Li Yan McCurdy
,
Michael N. Nitabach
,
Barbara Webb
How flies acquire, forget and assimilate memories: a computational perspective
In this talk we present our recent work building an anatomically accurate neural circuit that allow memory dynamics in the fruit-fly brain.
Jun 1, 2021 3:32 PM — 3:45 PM
Online
Evripidis Gkanias
,
Li Yan McCurdy
,
Michael N. Nitabach
,
Barbara Webb
How do backward-walking ants (Cataglyphis velox) cope with navigational uncertainty?
Backward-walking ants can steer using learnt terrestrial visual cues.
Steering does not require forward body alignment.
Steering may be based on the integration of attractive and repulsive views.
Peeking behaviour is triggered in periods of low directional certainty.
Directional certainty is built on multiple sources of current and past information.
Sebastian Schwarz
,
Leo Clement
,
Evripidis Gkanias
,
Antoine Wystrach
Imitating the Drosophila Larval Learning Behaviour on a Robot
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Oct 8, 2018 2:00 PM — 3:45 PM
University of Edinburgh, United Kingdom
Evripidis Gkanias
,
Kostantinos Lagogannis
,
Barbara Webb
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