WSJ – The Key to Smarter AI: Copy the Brain

  •  the brain is very good at processing new information. AI isn’t
    • computer can teach itself to master a narrow, predetermined skill – software is stuck in time
  • the Defense Advanced Research Projects Agency, developing brain-computer interfaces—devices that sit directly in or on the brain and record cell activity
    •  see how neural signals translate into actions like movement and speech
  •  goal is for the software to work in concert with the brain and adapt as quickly as the brain does
    • using reinforcement learning, a process by which we, as humans, evaluate the outcomes of our actions based on feedback both tangible (some physical reward) and intangible (a sense of accomplishment)
  • problems arise when the goals are variegated and difficult to articulate
  •  biggest challenge is the language gap between computers and brains

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