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Prikvačeni tweet
Excited to announce that I will start a lab at Oxford University, http://laklab.org . Neuronal circuits underlying learning and decision-making. The lab will open in the summer
@OxNeuro, supported by@wellcometrust@royalsociety. Positions available, email me. Please RT.Hvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
Armin Lak proslijedio/la je Tweet
Varying the timing of
#optogenetic manipulations in a Pavlovian task reveals a temporally restricted role of#dopamine neurons primarily in reinforcing stimulus–reward associations, and less related to directly generating movements https://go.nature.com/2uMk41T pic.twitter.com/KfahuTihYu
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Armin Lak proslijedio/la je Tweet
Distributional reinforcement learning (RL) algorithms predict the entire ‘distribution’ of future rewards not just the average and improve the AI performance. This work presents evidence that the brain’s dopamine system uses distributional RL.https://www.nature.com/articles/s41586-019-1924-6 …
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and here is the link to the paper:https://www.sciencedirect.com/science/article/pii/S0896627319309821 …
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5/5 Thus, both medial frontal and dopamine responses are important for learning but not for choice computation: the first one by signalling reward prediction and the second one by evaluating the prediction.
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4/5 Optogenetic manipulation of mPFC pre-outcome (but not post-outcome) activity drives learning. In contrast, optogenetic manipulation of dopamine post-outcome (but not pre-outcome) activity drives learning.
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3/5 Dopamine neurons integrate confidence and reward value both before and after the outcome, encoding the value of chosen option, and reward prediction error.
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2/5 Many mPFC neurons integrate confidence and reward value prior to outcome, encoding the value of chosen option.
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1/5 We introduce a behavioural task in mice that requires integration of reward value and sensory confidence. Using RL modelling we formalise trial-by-trial learning.
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Our work is published today at
@NeuroCellPress. With@michael_okun,@morganemoss,@HarshaGurnani, @KarolinaFarrel, Miles Wells,@charureddy,@KepecsLab,@kennethd_harris, and@MatteoCarandinipic.twitter.com/LjAZwGLRVo
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Armin Lak proslijedio/la je Tweet
We have a new preprint, just in time to add to your holiday reading list. :)https://www.biorxiv.org/content/10.1101/2019.12.15.876748v1 …
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Armin Lak proslijedio/la je Tweet
I'm thrilled to be starting my research group in
@OxExpPsy at@UniofOxford. Interested in deep learning theory and neuroscience? I'm looking for team members! http://www.saxelab.orgHvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
Armin Lak proslijedio/la je Tweet
Thought that frontal cortex is all random mixed selectivity, messy? Think again! Great work by a great team,
@ratcortex@agvaughan@PaulMasset@OttTorbenhttps://twitter.com/gottapatchemall/status/1202330151079407616 …
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Armin Lak proslijedio/la je Tweet
Applying to graduate school?
@OxNeuro has many fantastic opportunities so well worth considering. Labs can also directly sponsor you for departmental PhD programs so feel free to reach out. The location and scholastic environment isn’t too bad either.#mymorningcommutepic.twitter.com/6uGLlvfoWr
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Armin Lak proslijedio/la je Tweet
Our work on 'Distributed coding of choice, action, and engagement across the mouse brain' is published today in Nature! With
@peterzh,@MatteoCarandini, and@kennethd_harris. Here's a quick recap and what's new since bioRxiv.https://www.nature.com/articles/s41586-019-1787-x …Prikaži ovu nitHvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
Armin Lak proslijedio/la je Tweet
I am happy (and a little nervous) to announce our first manuscript posted to bioRxiv! Congratulations to
@k_rothenhoefer for the great work showing that dopamine responses are sensitive to reward distributions.https://www.biorxiv.org/content/10.1101/851709v1 …Hvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
Armin Lak proslijedio/la je Tweet
1) Is systems neuroscience your thing? 2) Are you intrigued by the timing of self-initiated actions? 3) Do you dream with electrophys recordings of large neuronal ensembles using cutting-edge technology? 4) Are you looking for a post-doc position? We want you!
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Armin Lak proslijedio/la je Tweet
1 day left to apply for ERC-funded postdoc on claustrum, an understudied brain area w/curiously strong connectivity to neocortex. We're after its organising principles using cell type & functional characterisations in vitro & in vivo https://twitter.com/paqio/status/1182704047415070720 …
@Oxneuro@DPAGPostdocHvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
Armin Lak proslijedio/la je Tweet
Please RT: Fully funded PhD position to work with myself and
@somnirons to study reward-learning. https://www.findaphd.com/phds/project/the-role-of-vta-gaba-neurons-in-reward-learning/?p114466 …pic.twitter.com/Y07cKXFprJ
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Armin Lak proslijedio/la je Tweet
POSTDOCTORAL POSITION in my lab (Jazlab) at MIT to investigate the computational principles and neural mechanisms of inferential reasoning using cognitive maps in the hippocampus, entorhinal cortex, and other candidate brain areas. See more info at https://jazlab.org/postdoctoral-associate/ …
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Armin Lak proslijedio/la je Tweet
Roll up roll up. Get your DA stimulus-action association fix from
@ArminLak Wednesday afternoonhttps://twitter.com/synapticlee/status/1185510800456388608 …
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