We worked with @harvardbrainsci to show that distributional RL, a recent development in AI research, can provide insight into previously unexplained elements of dopamine-based learning in the brain.
Read the blog: https://deepmind.com/blog/article/Dopamine-and-temporal-difference-learning-A-fruitful-relationship-between-neuroscience-and-AI … (2/2)
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It isn't just dopamine. It's all the neurotransmitter's that drive our neural nets. Training reinforcement with cortisol, serotonin, testosterone. Our behaviors need a forcing function otherwise we're just a really really heat efficient computer.
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Gaba actually is pretty important, even when dopamine levels are regulated. And roles of free energy framework is actually very relevant in modelling such interactions. There is some evidence alreadyhttps://n.neurology.org/content/91/7/e675 …
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Great essay. Dopamine is one of neurotransmitters that accelerates and/or decelerates various function. I expect to think of function of neuron comprehensively more, including other neurotransmitters.
@demishassabis -
Considering (higher order) consciousness system underlying various functions, it is thought that neurotransmitters can be seamlessly connected to memory and desire (that is seamless to memory). And each would contribute decision‐making and emotion strongly. That is a hypothesis.
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Hi, I'm currently a third year medical student looking to intercalate in a Health data analytics and machine learning MSc. Would anyone in your team be able to advise me on how valuable this degree would be to a future career at DeepMind? Many thanks, Alex
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