Il Memming Park

@memming

Computational neuroscientist. I eat spike trains. How do population of neurons compute? Assistant professor at Stony Brook University.

Stony Brook, NY, USA
Vrijeme pridruživanja: kolovoz 2008.

Medijski sadržaj

  1. 11. sij

    Interpretable AI workshop, April 3 (Friday), 2020 in NYC. Free event but requires registration. Space is limited!

  2. 10. sij

    Methods: all analysis of latent space was done using vLGP . MT ensemble was well described by 4-D latent space. (also 's brilliant work)

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  3. 10. sij

    Furthermore, the choice-correlated variability in the null-space appears much later during the trial, suggesting that this is feedback information from the decision-making process! This information could be useful for learning and adaptation.

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  4. 10. sij

    Our analysis suggests that a large portion of choice-correlated variability in MT is in a subspace NOT aligned with the sensory encoding and lives in the *null-space*!

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  5. 10. sij

    But it could also be due to feedback, i.e., noisy temporal integration of sensory evidence can be contributing to the apparent variability in MT. Depending on the alignment between the sensory-coding subspace and the choice-correlation, there are several possibilities:

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  6. 10. sij

    Our ensemble analysis revealed that 1-D visual motion is encoded as 1-D subspace at the population level (below). Does the choice-correlation also live solely in this subspace? Maybe it should be, since MT is a “sensory cortex”, and the monkey is nearly “optimal”.

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  7. 10. sij

    Trial-to-trial variability of single unit spike count in monkey brain area MT is correlated with the animal’s perceptual report in visual motion discrimination tasks [Britten et al. 1996]. Where does this choice-correlation originate from?

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  8. 10. sij

    Fresh on . Latent trajectory analysis of MT ensemble spike trains reveals mis-aligned subspaces of stimulus and decision codes. Collaboration with Huk lab.

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  9. 26. ruj 2019.
    Odgovor korisnicima i sljedećem broju korisnika:

    you were wrong! T_T

  10. 26. ruj 2019.
    Odgovor korisnicima i sljedećem broju korisnika:

    not very affordable, it turns out.

  11. 21. kol 2019.
    Odgovor korisnicima i sljedećem broju korisnika:

    I hope it's not too expensive for the graduate students and postdocs.

  12. 5. srp 2019.

    HTTPS issue: gives me 34.201.189.153, and the HTTPS certificate is valid on *.thrifttrac.com, not . Is it possible that this is the paperpile server issue?

  13. 16. svi 2019.
  14. 29. ožu 2019.

    Guilio Tononi is giving the MIND/BRAIN lecture on Consciousness. Apr 1st at ! It's a free public lecture.

  15. 4. ožu 2019.

    Guess who wrote this?

  16. 28. velj 2019.

    tutorial session is happening.

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  17. 19. velj 2019.

    David Cox's talk last year on predictive coding in and was super inspiring.

  18. 13. velj 2019.

    Rchard Plum gave an amazing talk about sexual selection as true Darwinian theory last week at (aesthetics self-sustaining within evolution)

  19. 15. sij 2019.

    Workshop: Why Spike? Understanding the power and constraints of spiking based computation in biological and artificial neuronal networks featuring , , and more!

  20. 5. pro 2018.

    6/6 It can also recover limit cycles from population V1 spike trains! Looking forward to applying to more neural data!

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