Computer circuit built from brain cells

NewScientistTech - October 23, 2008, by Colin Barras

For all its sophistication and power, your brain is built from unreliable components – one neuron can successfully provoke a signal in another only 40% of the time.

This lack of efficiency frustrates neuroengineers trying to build networks of brain cells to interface with electronics or repair damaged nervous systems.

Our brains combine neurons into heavily connected groups to unite their 40% reliability into a much more reliable whole.

Now human engineers working with neurons in the lab have achieved the same trick: building reliable digital logic gates that perform like those inside electronics.

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