[HN Gopher] Phase shift between rotation and actuation predicts ...
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       Phase shift between rotation and actuation predicts muscle
       activation patterns
        
       Author : PaulHoule
       Score  : 12 points
       Date   : 2024-02-08 20:25 UTC (2 hours ago)
        
 (HTM) web link (academic.oup.com)
 (TXT) w3m dump (academic.oup.com)
        
       | eulerian wrote:
       | Probably off topic: it's the second time I am reading about phase
       | shifts today. The first time I read it was in context of
       | interpretability of attention in transformer neural nets where
       | they find phase shifts between positional and semantic learning:
       | https://arxiv.org/abs/2402.03902
        
         | PaulHoule wrote:
         | In my mind it is a geometric thing, that is, you find phases in
         | things like oscillators that have the symmetry that the complex
         | numbers do. (e.g. position and momentum for the oscillator
         | rotate around the origin once in every cycle)
         | 
         | This book
         | 
         | https://maa.org/press/maa-reviews/the-geometry-of-biological...
         | 
         | is one of the most profound on the subject, it is worth finding
         | a used copy.
        
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       (page generated 2024-02-08 23:00 UTC)