From: here@is.invalid   
      
   New Brain Device Is First to Read Out Inner Speech   
      
   A new brain prosthesis can read out inner thoughts in real time,   
   helping people with ALS and brain stem stroke communicate fast and   
   comfortably   
   ...   
   Using this new "inner speech" system, the participants needed only to   
   think a sentence they wanted to say and it would appear on a screen in   
   real time. While previous inner speech decoders were limited to only a   
   handful of words, the new device allowed participants to draw from a   
   dictionary of 125,000 words.   
   ...   
   ...   
   Like most BCIs that translate brain activation into speech, the new   
   technology only works if people are able to convert the general idea   
   of what they want to say into a plan for how to say it. Alexander   
   Huth, who researches BCIs at the University of California, Berkeley,   
   and wasn't involved in the new study, explains that in typical speech,   
   "you start with an idea of what you want to say. That idea gets   
   translated into a plan for how to move your [vocal] articulators. That   
   plan gets sent to the actual muscles, and then they carry it out." But   
   in many cases, people with impaired speech aren't able to complete   
   that first step. "This technology only works in cases where the 'idea   
   to plan' part is functional but the 'plan to movement' part is   
   broken"--a collection of conditions called dysarthria--Huth says.   
      
   https://www.scientificamerican.com/article/new-brain-device-is-f   
   rst-to-read-out-inner-speech/   
      
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