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...The system is officially called “neural dust” and works to “monitor the brain from the inside.” Inventors are attempting to overcome the hurdle of how to best implant sensors that can remain over the course of one’s life. Researchers at Berkeley Engineering believe they have found a novel way to achieve this:
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...
The investment in neuroscience has received a $100 million dollar commitment via Obama’s BRAIN project, while Europe has committed $1.3 billion to build a supercomputer replica of the brain in a similarly comprehensive and detailed fashion as the Human Genome Project mapped DNA.
Concurrently, there is massive long-term investment in nanotech applications via the National Nanotechnology Initiative 2011 Strategic Plan. This 60-page document lays out a projected future “to understand and control matter” for the management of every facet of human life within the surveillance matrix of environment, health and safety. Twenty-five U.S. Federal agencies are participating.
A major hurdle in brain-machine interfaces (BMI) 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 built from low-power CMOS circuitry coupled with ultrasonic power delivery and backscatter communication.
Originally posted by Astyanax
As you can see, it is a purely theoretical exercise
and the purpose of the dust is not to spy on people's brains (we don't even have the beginnings of the technology we would to need to accomplish that) but to enable people to operate various gadgets using purely neural commands.
Originally posted by Ophiuchus 13
With brain mapping Shared data like below
Japanese researchers create images from thoughts using thoughts about images
1 can only imagine what is really out there working now related to mind reading and imaging data...
In this kind of image reproduction, brain activity is regarded as a kind of code, and interpreting this code is known as "brain activity decoding." A previously developed method for decoding involves showing the subject a large number of images, then measuring the patterns in the bloodstream surrounding neurons in the visual cortex that result when each picture is viewed and entering these results into a computer program. When subjects are shown a new image, the resulting bloodstream patterns are compared with the prerecorded patterns to determine its shape. The drawback to this method is that images cannot be distinguished unless a similar one has been recorded for comparison. Discerning complex images through this method would necessitate prerecording an infinite number of patterns.