Sunday, December 4, 2016

The Ultimate Brain-Computer Interface

This is technology that intelligence agencies and organized crime currently have and are using against the public. For other articles on this topic, please see here. See here for more about DARPA smart dust. See here for more about the DARPA Artificial Intelligence Control Grid. Also see here and here for biowarfare. 

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A recent paper (Literal Smart Dust Opens Brain-Computer Pathway to "Spy on Your Brain") has described a system concept termed ‘neural dust’- a miniaturized low power system to support brain-computer interfaces (BCI) and monitor the brain from inside.

Embedded in the brain, the intelligent dust particles could form an entirely new form of BCI, say Berkeley Engineering researchers.

A major hurdle in brain-computer interfaces is the lack of an implantable neural interface system that remains viable for a lifetime. This paper explores the fundamental system design trade-offs and ultimate size, power, and bandwidth scaling limits of neural recording systems.

A network of tiny implantable sensors could function like an MRI inside the brain, recording data on nearby neurons and transmitting it back out. The smart dust particles would all contain an extremely small CMOS sensor capable of measuring electrical activity in nearby neurons.

The researchers envision a piezoelectric material backing the CMOS capable of generating electrical signals from ultrasound waves. The process would also work in reverse, allowing the dust to beam data back via high-frequency sound waves. The neural dust would also be coated with polymer.

Probably the biggest challenge is implanting the neural dust particles in the cortex. Dongjun Seo and colleagues say this can probably be done by fabricating the dust particles on the tips of a fine wire array, held in place by surface tension.

This array would be dipped into the cortex where the dust particles become embedded.


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