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Great review by
@bassemh1 & Hiesinger on how to encode a wiring diagram using simple stochastic rules that fit into a genome!@WiringTheBrain https://twitter.com/WiringTheBrain/status/1217862029169569794 …pic.twitter.com/tzLU14JlaZ
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Cosyne = COmputational + SYstems NEuroscience Its scope is the union of systems & computational neuroscience If you are mainly interested in applying insights from neuroscience to AI/computation, then NAISys would be a good meeting to considerpic.twitter.com/rtBTg0EomI
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the purpose of estimating the KC between two brains isnt to say one is *more* complex, but to say how different they are. The small KC (~1 MB?) suggests it takes just a few lines (genetic) code to go from mouse to human: make bigger brain tweak for human cognitionpic.twitter.com/yWWzbk7w5J
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i dont understand this distinction. Hopi's expts show that genes determine whether the burrow is short or long. One mech to encode this in the genome involves a reward function on the length of the burrow (and a bit more). probably need more than "stop now" for birdspic.twitter.com/WspWDX3iAM
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absolutely! in fact, i argue that the fact that the human genome *could* have been much larger but isnt suggests that the rules for wiring up a brain are relatively simple (ie compressible)pic.twitter.com/CI0YBiQf6l
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I'll see your great grand-uncle's goat glands, and raise you an "Effect of Mescaline on Phatom Limb Syndrome". This was a paper by Julius Zador, my grandfather's brother, in the Journal of European Neurology. https://www.karger.com/Article/Abstract/164282 …pic.twitter.com/pm91K7LRWS
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Interested in how neuroscience can inspire better AI? NAISys (March 24-28) has clarified its financial aid policy to facilitate participation by students and postdocs. {Please RETWEET and spread the word}
@tyrell_turing@RaiaHadsell@GaneshNatesh https://twitter.com/TonyZador/status/1208123674349449216 …pic.twitter.com/YiSvNMn0q0
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i think he just liked the sound of it. Apparently, the Joyce reference was post hoc justification for the spelling.pic.twitter.com/ordU2rtcyO
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Interested in how neuroscience can inspire better AI? Come to NAISys, March 24-28 Abstracts (1 page) due Jan 10 registration https://bit.ly/2rVHr8l
@SuryaGanguli@KordingLab@tyrell_turing@SussilloDavid@ylecun@SebastianSeung@chelseabfinn@Numenta {Please RETWEET ME}pic.twitter.com/MmThOqpD65
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I thought they were arguing not simply that different forms of restriction lead to different levels of motivation, but rather that motivation is complex, not a unitary variable (which i agree with).pic.twitter.com/3XH1OnTp5N
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Yes, I think Tanzi was the first to propose the synapse as the locus of plasticity. Combine that with William James' 1890 "Laws of Association," wait a half century, and you get a Hebbian synapse (in 1949). https://twitter.com/cashmachine15/status/1205676230755807235 …pic.twitter.com/iq8lr7jeM0
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Two years before Sherrington coined the term "synapse," Freud postulated in his 1895 "PROJECT FOR A SCIENTIFIC PSYCHOLOGY" that "neuronal contact barriers" may change their state and thus "afford a possibility of representing memory” Foreshadowing Hebb. https://twitter.com/dominikstrb/status/1205190142119567360 …pic.twitter.com/oJq1CnHu7m
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Tomasello wrote: "It is inconceivable that you would ever see 2 chimps carrying a log together". Yet de Waal reports examples of basically just that--eg animals cooperating to prop a heavy pole against a wall to escape.pic.twitter.com/sPChSwyXLJ
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Brilliant book by Frans de Waal, "Are We Smart Enough to Know How Smart Animals Are?" This passage calls out the search for what makes human cognition unique as "neo-Creationism"--the idea that "evolution stopped at the human head".pic.twitter.com/YxrspSGqdY
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Overparameterization could contribute to better learning. But it can't explain why mice that build long tunnels build them even when fostered by short-tunnel parents. (Work of Hopi Hoekstra). A lot of what a lot of animals do is built into the wiring like this.pic.twitter.com/uSHiiDzY0Z
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I'm not sure what would be "big" or "small" synaptic changes. But in this experiment we monitor cortico-striatal synaptic efficacy in vivo in an auditory decision task while rats learn to associate a sound with an action. (From: Xiong, Znamenskiy, Zador, Nature, 2015).pic.twitter.com/SiHuvyRseT
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We pretty much know the parts list for how the brain works. If only we could figure out how to put those parts togetherpic.twitter.com/9RB39e8gCZ
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I agree there is a tradeoff. But what would constitute evidence? How would you quantify "number of innate priors"? BTW I think even in primates most everything is innate. Maybe 99% in goats and 98% in primate--x2 higher, but still low. (Arbitrary units).pic.twitter.com/DZtVnVgB30
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Connectivity of 50K single cortical neurons from a single brain obtained by MAPseq. Part 2 -- some long-range projections of two of these neurons (it's hard to show all 50K at once). (Longwen Huang)pic.twitter.com/Q3cgDsDxaP
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