The Defense Advanced Research Projects Agency () is developing computers that can be inserted into brains, in order to restore people’s senses.

It’s poured $65 million of funding into the Neural Engineering System Design (NESD) programme, which aims to build an implantable “neural interface”.

DARPA, which is the research arm of the US military, says the computers will be used to restore impaired or lost senses, including sight, hearing and speech.

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The plan is for the embedded computers, which will be “no larger than one cubic centimeter in size, roughly the volume of two nickels stacked back to back”, to translate the electrochemical language used by neurons in the brain into “the ones and zeros that constitute the language of information technology”, says DARPA.

This means brains would be able to communicate directly with machines, and vice versa.

Dr Elizabeth Strychalski, a program manager in DARPA’s biological technologies office, says these sensory restoration examples are “among the program’s potential applications”, suggesting the organisation is exploring alternative avenues for the technology too, such as military uses

Earlier this year, Facebook spoke about its development of advanced new technologies that would let you type words “directly from your brain” but, concerningly, .

“The NESD program looks ahead to a future in which advanced neural devices offer improved fidelity, resolution, and precision sensory interface for therapeutic applications,” said Phillip Alvelda, the founding NESD programme manager. 

“By increasing the capacity of advanced neural interfaces to engage more than one million neurons in parallel, NESD aims to enable rich two-way communication with the brain at a scale that will help deepen our understanding of that organ’s underlying biology, complexity, and function.”

The funding has been awarded to Brown University, Columbia University, Fondation Voir et Entendre, John B. Pierce Laboratory, Paradromics, Inc., and the University of California, Berkeley.

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