[HN Gopher] Single hair-like electrode outperforms traditional 2...
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       Single hair-like electrode outperforms traditional 21-lead EEG
        
       Author : westurner
       Score  : 40 points
       Date   : 2025-05-06 15:53 UTC (1 days ago)
        
 (HTM) web link (newatlas.com)
 (TXT) w3m dump (newatlas.com)
        
       | 6SixTy wrote:
       | This is actually an improvement on the lead electrode technology,
       | making them smaller and improving the scalp adhesion for better
       | fidelity. Ostensibly, you would still need an array of them for
       | medical diagnoses, like isolating and/or monitoring a seizure to
       | a particular portion of the brain.
        
       | Euphorbium wrote:
       | Singularity is right here. AI reading (and writing?) brain
       | signals.
        
         | BriggyDwiggs42 wrote:
         | Did they read and write brain signals with AI? What would the
         | goal of that even be?
        
           | postalrat wrote:
           | Many Black Mirror episodes explore this.
        
           | dmos62 wrote:
           | Presuming a higher bandwidth interface than what we currently
           | have (voice/text chat).
        
         | mystified5016 wrote:
         | No
        
         | psunavy03 wrote:
         | That's not what an EEG is, and they have been around for
         | decades.
        
       | mmastrac wrote:
       | Terrible headline. The single hair-like electrode outperforms the
       | connection performance (longevity/signal to noise) of a single
       | electrode from a 21-lead EEG.
        
         | hinkley wrote:
         | My second mental image was an alligator clip connected to a
         | hair on a person's head.
        
         | dn3500 wrote:
         | It's not just the headline. "... a single electrode that looks
         | just like a strand of hair and is more reliable than the
         | standard, multi-electrode version." "The researchers tested the
         | device's long-term adhesion and electrical performance and
         | compared it to the current, standard EEG using multiple
         | electrodes."
         | 
         | I read the story three times and I'm still confused. But I'm
         | sure you're right, and I think it's the author who's confused.
        
       | amelius wrote:
       | Isn't that circular pad the electrode, and the "hair" just the
       | lead which can be replaced by any copper wire?
        
       | y-curious wrote:
       | https://www.psu.edu/news/research/story/future-brain-activit...
       | 
       | Better link from Penn State. My reading of this seems to suggest
       | that these electrodes are better than the standard one, NOT that
       | one electrode is better than 24 leads.
        
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       (page generated 2025-05-07 23:00 UTC)