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Brain-machine interface systems and methods

  • US 7,257,439 B2
  • Filed: 08/21/2003
  • Issued: 08/14/2007
  • Est. Priority Date: 08/21/2002
  • Status: Active Grant
First Claim
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1. A method of sensing the activity of neural tissue, the method comprising the steps of:

  • placing an electrode in a blood vessel proximate to the neural tissue, said electrode being smaller than 10 μ

    m in diameter; and

    monitoring a signal on the electrode by way of a wire connected to the electrode,wherein the signal is indicative of the electrical brain activity of the neural tissue.

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