Skip to content
By using Twitter’s services you agree to our Cookies Use. We and our partners operate globally and use cookies, including for analytics, personalisation, and ads.

This is the legacy version of twitter.com. We will be shutting it down on June 1, 2020. Please switch to a supported browser, or disable the extension which masks your browser. You can see a list of supported browsers in our Help Center.

  • Home Home Home, current page.
  • About

Saved searches

  • Remove
  • In this conversation
    Verified accountProtected Tweets @
Suggested users
  • Verified accountProtected Tweets @
  • Verified accountProtected Tweets @
  • Language: English
    • Bahasa Indonesia
    • Bahasa Melayu
    • Català
    • Čeština
    • Dansk
    • Deutsch
    • English UK
    • Español
    • Filipino
    • Français
    • Hrvatski
    • Italiano
    • Magyar
    • Nederlands
    • Norsk
    • Polski
    • Português
    • Română
    • Slovenčina
    • Suomi
    • Svenska
    • Tiếng Việt
    • Türkçe
    • Ελληνικά
    • Български език
    • Русский
    • Српски
    • Українська мова
    • עִבְרִית
    • العربية
    • فارسی
    • मराठी
    • हिन्दी
    • বাংলা
    • ગુજરાતી
    • தமிழ்
    • ಕನ್ನಡ
    • ภาษาไทย
    • 한국어
    • 日本語
    • 简体中文
    • 繁體中文
  • Have an account? Log in
    Have an account?
    · Forgot password?

    New to Twitter?
    Sign up
Plinz's profile
Joscha Bach
Joscha Bach
Joscha Bach
@Plinz

Tweets

Joscha Bach

@Plinz

FOLLOWS YOU. Artificial Intelligence, Cognitive Architectures, Computation. The goal is integrity, not conformity.

San Francisco, CA
bach.ai
Joined April 2009

Tweets

  • © 2020 Twitter
  • About
  • Help Center
  • Terms
  • Privacy policy
  • Imprint
  • Cookies
  • Ads info
Dismiss
Previous
Next

Go to a person's profile

Saved searches

  • Remove
  • In this conversation
    Verified accountProtected Tweets @
Suggested users
  • Verified accountProtected Tweets @
  • Verified accountProtected Tweets @

Promote this Tweet

Block

  • Tweet with a location

    You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more

    Your lists

    Create a new list


    Under 100 characters, optional

    Privacy

    Copy link to Tweet

    Embed this Tweet

    Embed this Video

    Add this Tweet to your website by copying the code below. Learn more

    Add this video to your website by copying the code below. Learn more

    Hmm, there was a problem reaching the server.

    By embedding Twitter content in your website or app, you are agreeing to the Twitter Developer Agreement and Developer Policy.

    Preview

    Why you're seeing this ad

    Log in to Twitter

    · Forgot password?
    Don't have an account? Sign up »

    Sign up for Twitter

    Not on Twitter? Sign up, tune into the things you care about, and get updates as they happen.

    Sign up
    Have an account? Log in »

    Two-way (sending and receiving) short codes:

    Country Code For customers of
    United States 40404 (any)
    Canada 21212 (any)
    United Kingdom 86444 Vodafone, Orange, 3, O2
    Brazil 40404 Nextel, TIM
    Haiti 40404 Digicel, Voila
    Ireland 51210 Vodafone, O2
    India 53000 Bharti Airtel, Videocon, Reliance
    Indonesia 89887 AXIS, 3, Telkomsel, Indosat, XL Axiata
    Italy 4880804 Wind
    3424486444 Vodafone
    » See SMS short codes for other countries

    Confirmation

     

    Welcome home!

    This timeline is where you’ll spend most of your time, getting instant updates about what matters to you.

    Tweets not working for you?

    Hover over the profile pic and click the Following button to unfollow any account.

    Say a lot with a little

    When you see a Tweet you love, tap the heart — it lets the person who wrote it know you shared the love.

    Spread the word

    The fastest way to share someone else’s Tweet with your followers is with a Retweet. Tap the icon to send it instantly.

    Join the conversation

    Add your thoughts about any Tweet with a Reply. Find a topic you’re passionate about, and jump right in.

    Learn the latest

    Get instant insight into what people are talking about now.

    Get more of what you love

    Follow more accounts to get instant updates about topics you care about.

    Find what's happening

    See the latest conversations about any topic instantly.

    Never miss a Moment

    Catch up instantly on the best stories happening as they unfold.

    1. Joscha Bach‏ @Plinz 8 Jan 2018
      • Report Tweet
      • Report NetzDG Violation

      Has anyone looked for mutexes in cortical columns? How would one go about this?

      3 replies 1 retweet 3 likes
    2. Pavel Mayer‏Verified account @pavel23 9 Jan 2018
      • Report Tweet
      • Report NetzDG Violation
      Replying to @Plinz

      From my superficial knowledge I would assume that mutex-like synchronization is performed by the mechanisms that control phase and frequency of neural oscillation, employing effects like resonance, harmonics, interference and delayed feedback of activity waves between columns.

      1 reply 0 retweets 0 likes
    3. Joscha Bach‏ @Plinz 9 Jan 2018
      • Report Tweet
      • Report NetzDG Violation
      Replying to @pavel23

      But how?

      1 reply 0 retweets 0 likes
    4. Pavel Mayer‏Verified account @pavel23 10 Jan 2018
      • Report Tweet
      • Report NetzDG Violation
      Replying to @Plinz

      The exact mechanisms seem still unknown, but you are probably familiar with the tons of papers about phase-amplitude- and phase-phase coupling, especially theta–gamma coupling that provide some details, e.g: https://academic.oup.com/cercor/article/26/9/3744/2389108 … https://elifesciences.org/articles/20515  http://journals.plos.org/ploscompbiol/article?id=10.1371/journal.pcbi.1005180 …

      2 replies 0 retweets 0 likes
    5. Joscha Bach‏ @Plinz 10 Jan 2018
      • Report Tweet
      • Report NetzDG Violation
      Replying to @pavel23

      Hypothesis: we can only animate one mental feature instance at a time because the other instances of that feature are inhibited. If the mutexes are unblocked it looks like this: https://vimeo.com/129710408 

      1 reply 0 retweets 1 like
    6. Pavel Mayer‏Verified account @pavel23 10 Jan 2018
      • Report Tweet
      • Report NetzDG Violation
      Replying to @Plinz

      This article https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4623391/ … suggest that there are different processing stages (three distinct activity time windows), with bottom-up feature detection triggering predictive coding causing "top-down reactivation of target memory traces"

      1 reply 0 retweets 0 likes
    7. Pavel Mayer‏Verified account @pavel23 10 Jan 2018
      • Report Tweet
      • Report NetzDG Violation
      Replying to @pavel23 @Plinz

      So far all research suggests that all synchronization is performed by phase-amplitude coupling of different frequencies, not just binding, but also inhibitory effects.

      1 reply 0 retweets 0 likes
    8. Pavel Mayer‏Verified account @pavel23 10 Jan 2018
      • Report Tweet
      • Report NetzDG Violation
      Replying to @pavel23 @Plinz

      I would also guess that the upper "action"-layers of the columns with weaker feature responses in the lower layers are not silenced but "taken over", yielding a similar result and action, which would seem quite robust to me and explain why only one feature hypothesis survives.

      1 reply 0 retweets 0 likes
    9. Pavel Mayer‏Verified account @pavel23 10 Jan 2018
      • Report Tweet
      • Report NetzDG Violation
      Replying to @pavel23 @Plinz

      In this case, and if the six-layer model of the cortical column isn't completely wrong (which some research suggests), then the Layer IV-connections with the thalamus would play a significant role in determining the winning hypothesis and action.

      1 reply 0 retweets 0 likes
    10. Joscha Bach‏ @Plinz 10 Jan 2018
      • Report Tweet
      • Report NetzDG Violation
      Replying to @pavel23

      I don't find the top-down/bottom-up binding and hypothesis stabilization unclear. I am just wondering about how to deal with multiple feature instantiation, for instance, multiple letter 'A" in the same word, which may require mutexes. My question is much more specific!

      1 reply 0 retweets 0 likes
      Joscha Bach‏ @Plinz 10 Jan 2018
      • Report Tweet
      • Report NetzDG Violation
      Replying to @Plinz @pavel23

      Btw. I just discussed it for an hour with some local students and I think I am converging on a solution now.

      6:09 PM - 10 Jan 2018
      0 replies 0 retweets 0 likes

      Loading seems to be taking a while.

      Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.

        Promoted Tweet

        false

        • © 2020 Twitter
        • About
        • Help Center
        • Terms
        • Privacy policy
        • Imprint
        • Cookies
        • Ads info