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AdamMarblestone's profile
Adam Marblestone
Adam Marblestone
Adam Marblestone
@AdamMarblestone

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Adam Marblestone

@AdamMarblestone

Technologist, Scientist

adammarblestone.org
Joined February 2009

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    1. Jaan Aru‏ @jaaanaru 23 Apr 2018
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      Closing in on how the brain works? Combining DL and classical symbolic computation in a biologically plausible model of cortico-thalamo-cortical circuits (with assumed control signals from the basal ganglia). Heavy (but great) stuff from @AdamMarblestonehttps://www.biorxiv.org/content/early/2018/04/22/304980 …

      1 reply 11 retweets 22 likes
    2. Rebel Science‏ @RebelScience 23 Apr 2018
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      Replying to @jaaanaru @AdamMarblestone

      Kenneth Hayworth and Adam Marblestone join Blake Richards and a bunch of others in the list of crackpots calling for supervised learning and backprop (it's called routing now) in the brain. This is truly freaking embarrassing. Cortical feedback is not backprop. Symbolic AI? 🤮

      1 reply 0 retweets 0 likes
      Adam Marblestone‏ @AdamMarblestone 23 Apr 2018
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      Replying to @RebelScience @jaaanaru

      Please read the paper before drawing such conclusions. We’re not “calling for” supervised learning and we don’t confuse routing with backprop. Paper uses contrastive Hebbian learning. Cortical feedback might well do ~BP though. Happy to address specific technical objections.

      12:23 PM - 23 Apr 2018
      1 reply 0 retweets 0 likes
        1. Rebel Science‏ @RebelScience 23 Apr 2018
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          Replying to @AdamMarblestone @jaaanaru

          "How thalamic relays might orchestrate SUPERVISED DEEP TRAINING and SYMBOLIC computation in the brain" You don't fool me. The hard truth is that there is no supervised learning in the cortex. It's ridiculous. Symbolic computation is even worse. You people get paid for this?

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