Mashable: "The patient trials that launched on Wednesday will test whether Medtronic's new device can safely record electrical activity in a patient's brains while also delivering electric currents. These tests will explore how patients' brains respond to deep brain stimulation therapy. However, according to lab animal tests, the device is capable of not only sensing the electrical activity of the brain tissue it sits in but of also changing its output accordingly."

Scientific American says brain implants could enhance senses: "In a study published recently in Nature Communications, scientists used brain implants to teach rats to “see” infrared light, which they usually find invisible. The implications are tremendous: if the brain is so flexible it can learn to process novel sensory signals, people could one day feel touch through prosthetic limbs, see heat via infrared light or even develop a sixth sense for magnetic north."

Dvice: "Beginning Wednesday, the company began patient trials to see how well it can record brain function. If it works well, then it can deliver the appropriate shocks at the appropriate times. Many of the disorders it seeks to treat are cyclical but often times sporadic. Being able to monitor the electrical activity could provide more accurate and helpful treatment."

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#BrainImplant #brain

PressTV, implanting false memories into rats: "In next step, researchers became able to plant faulty memories in the brains of mice, as the animals were placed in a chamber where they received a mild electrical shock, causing them to form negative memories about the room." (Note: I am NOT sure the negative response is actually a "false" memory because if you brain is shocked, even mildly, whenever you enter a room, it could be true to form negative memories about that room. Interesting research nevertheless.)

Note also the silk brain implant, which melts away, io9 wrote:  "Tomorrow's anti-seizure medication may be a soft piece of silk like this one, planted in your brain, slowly releasing chemicals that have been locked into its absorbent fibers. That's the finding of a new NIH study, which demonstrated that epileptic rats given this treatment suffered from far fewer seizures."

Future brain implants may be ultrasonic neural dust according to Time: "Here’s how it might work: First you pop through the skull and the brain’s dura (the membrane surrounding the brain), dipping into the brain’s neural sea itself, roughly two millimeters down, where you position thousands of low-powered CMOS chips (the “neural dust,” each as tiny as millionths of a meter) to begin capturing neural signals using electrodes and piezoelectric sensors, which convert the data to ultrasonic signals. Those signals are then picked up by a sub-dural transceiver (sitting just above the “dust” chips and simultaneously powering them ultrasonically), which relays the data to an external transceiver resting just outside the skull (ASIC, memory, battery, long-range transmitter), which in turn communicates wirelessly with whatever computing device."

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