Grigori Guitchounts

@guitchounts

Neuroscientist and writer. Love communicating stories about science and scientists.

Cambridge, MA
Vrijeme pridruživanja: rujan 2009.

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  1. Prikvačeni tweet
    18. sij

    My paper is out on ! We explored movement signals in visual cortex and found a lot of surprising things.

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  2. proslijedio/la je Tweet
    4. velj

    holy shit I won the Iowa caucus.

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  3. proslijedio/la je Tweet
    3. velj

    Professor Sam Reiter, the head of OIST's new Computational Neuroethology Unit, is studying sleep and perception in cephalopods. Read about his fascinating research here!

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  4. 2. velj

    Can you imagine not publishing 9 out of 10 tweets you compose? 🤯

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  5. 30. sij
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  6. proslijedio/la je Tweet
    29. sij

    "The Borges story, 'On Exactitude in Science,'" writes, "reminded me of Lichtman’s view that the brain may be too complex to be understood by humans in the colloquial sense, and that describing it may be a better goal."

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  7. 28. sij

    “[the Chinese] ‘know that no other brain (besides that of humans themselves) can be a true help in making progress.’” A true help? Progress toward what exactly? This is wild.

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  8. proslijedio/la je Tweet
    23. sij

    "the Cartographers Guilds struck a Map of the Empire whose size was that of the Empire, and which coincided point for point with it" Beautifully melancholy piece by on the noble, seemingly futile quest to understand the brain: via

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  9. 23. sij

    Not to be too sensational, but what this will mean for the future, I think, is that machines will 'understand' our complex datasets much better than we can. Question is: will they explain it all back to us or will we be left behind?

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  10. 23. sij

    Most interesting part of all this is that and are transforming how connectomics datasets are analyzed (Lichtman's collab w/ is fueling this work, automatically segmenting electron microscope images of human cortex)...

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  11. 23. sij

    But even if you're describing something, you have to already have a notion for what's important to pay attention to and what's not. This makes even describing complicated datasets such a challenge...

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  12. 23. sij

    Lichtman's take on this was that it's better to start by *describing* what you see. Trying to test pre-existing hypotheses is "ass-backward," even though that's what so many neuroscientists are forced to do b/c it's been impossible to gather detailed data on large scales...

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  13. 23. sij

    This convo was prompted by my own anxieties over understanding data I gathered in my PhD work (~48TB), which pales in comparison to connectomics data. The question: how do you even begin to understand something so complex?...

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  14. 23. sij

    I had the good fortune to talk to Jeff Lichtman of about connectomics and understanding ginormous datasets!...

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  15. proslijedio/la je Tweet
    23. sij

    "There’s no point when you can suddenly say, ‘I now understand the brain,’ just as you wouldn’t say, ‘I now get New York City.’" Many beautiful quotes from Jeff Lichtman and others in this gem of a piece from in

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  16. 20. sij

    I imagine this is a bit like how the robots of Westworld felt when they first discovered the control room

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  17. 18. sij

    Plus! It all depended on amazing previous work by , , , , , , , , T Margrie, J Whitlock, , R Mooney, , , and many more! 🙌🙌🙌

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  18. 18. sij

    This work more or less sums up my PhD and couldn't have been done without my awesome co-authors , , and ! I'm also immensely grateful to and (paper is *mostly* adverb-free!) for comments on the manuscript!🙌

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  19. 18. sij

    Vision, too, is an active sense. Animals make all sorts of movements that affect neural dynamics in visual areas, but we rarely study vision in freely moving animals...

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  20. 18. sij

    I'm super excited about this work because it changed the way I think of vision. While vision is normally studied as a passive sense, IRL animals interact with their sensory environments. The sense of touch involves whisking and palpation; olfaction involves sniffing; etc...

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  21. 18. sij

    Where do these signals come from? Many studies pointed to a secondary motor cortex (M2), which projects to V1 directly. So we lesioned M2 and... presto all the direction signals disappeared...

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