University creates first wireless, implanted brain-computer interface
2013-03-04 0:00

By Sebastian Anthony | Extreme Tech



Researchers at Brown University have succeeded in creating the first wireless, implantable, rechargeable, long-term brain-computer interface. The wireless BCIs have been implanted in pigs and monkeys for over 13 months without issue, and human subjects are next.



We’ve covered BCIs extensively here on ExtremeTech, but historically they’ve been bulky and tethered to a computer. A tether limits the mobility of the patient, and also the real-world testing that can be performed by the researchers. Brown’s wireless BCI allows the subject to move freely, dramatically increasing the quantity and quality of data that can be gathered — instead of watching what happens when a monkey moves its arm, scientists can now analyze its brain activity during complex activity, such as foraging or social interaction. Obviously, once the wireless implant is approved for human testing, being able to move freely — rather than strapped to a chair in the lab — would be rather empowering.


Wireless BCI installed in monkey and pig.

Brown’s wireless BCI, fashioned out of hermetically sealed titanium, looks a lot like a pacemaker. Inside there’s a li-ion battery, an inductive (wireless) charging loop, a chip that digitizes the signals from your brain, and an antenna for transmitting those neural spikes to a nearby computer. The BCI is connected to a small chip with 100 electrodes protruding from it, which, in this study, was embedded in the somatosensory cortex or motor cortex. These 100 electrodes produce a lot of data, which the BCI transmits at 24Mbps over the 3.2 and 3.8GHz bands to a receiver that is one meter away. The BCI’s battery takes two hours to charge via wireless inductive charging, and then has enough juice to last for six hours of use.

One of the features that the Brown researchers seem most excited about is the device’s power consumption, which is just 100 milliwatts. For a device that might eventually find its way into humans, frugal power consumption is a key factor that will enable all-day, highly mobile usage. Amusingly, though, the research paper notes that the wireless charging does cause significant warming of the device, which was “mitigated by liquid cooling the area with chilled water during the recharge process and did not notably affect the animal’s comfort.” Another important factor is that the researchers were able to extract high-quality, “rich” neural signals from the wireless implant — a good indicator that it will also help human neuroscience, if and when the device is approved.

[...]

Read the full article at: extremetech.com







Read:
Lab rats ’acquire sixth sense’




Tune into Red Ice Radio:

Katie Deolloz & Andrea Hernandez - RFID Spy Chip Tracking in Schools

Kevin Warwick - "I, Cyborg": Implants, RFID, Microchips & Cybernetics

Aaron Franz - Transhuman Fundamentalism

Kent Daniel Bentkowski - The Microchip Agenda

John B. Wells - Hour 1 - The Police State


Radio 3Fourteen:

Chris Augustin - UFO Sightings, Alien Abductions & Mysterious Implants




Related Articles
Neural stem cells successfully implanted into the brains of four boys
Electrical Engineer Can Feel Magnetic Fields Through Magnets Implanted in His Fingertips
Paralyzed Man Stands Thanks to Experimental Spine Implant
Secret of NIMH? Memory Implant Boosts Brain Function in Rats
Man Has Camera Implanted In His Head
RFID Chips Embedded In School Uniforms Keep Track Of Students In Brazil
Does Your Brain Have a Right to Privacy?
Injecting Radioactive Chemicals in Spirit Mediums’ Brains. For Science!
Man Climbs 103 Floors on a Brain-Powered Bionic Leg
Paralysed woman drinks coffee with thought-guided robot arm (Who said caffeine isn’t addictive?)


Latest News from our Front Page

Not Again: More US AID, Missiles Shipped to al Qaeda, al Nusra and ISIS in Syria, Iraq
2015-03-06 4:28
Two weeks ago, 21WIRE reported on how ISIS and other terrorists militants operating in Syria and Iraq are receiving regular weapons and ‘supply drops’ – forming a ‘rat line’ which seems to be playing a crucial role in keeping this highly profitable conflict going on both sides. This week, it’s been reported that Jabhat Al-Nusra fighters have been brandishing US-supplied ...
Swedish parliament removes Baroque artist's bare breasted painting for offending feminists and Muslims
2015-03-06 3:28
A nude painting named Juno, which was painted by baroque artist G E Schröder and has hung in the dining room of the Swedish Parliament for 30 years has been taken down for fear of offending the sensitivities of feminists and Muslim visitors, Swedish newspaper, The Local reported on Thursday. Explaining the ban on the baroque breasts, a source from the ...
White US children will be minorities by 2020 after immigrant 'baby boom', Census reveals
2015-03-05 19:50
This is the result of an ongoing trend of declining birth among white Americans and a baby boom among immigrant groups, as well as a surge in immigration. By the year 2020, 50.2percent of all children in the US are expected to be non-white, according to the Census. By 2044, whites will be outnumbered by minorities. The Census study, released ...
New Jersey Shopkeeper Hangs 'White History Month' Sign In Window
2015-03-05 18:08
A deli owner in Flemington, New Jersey, has angered many of his neighbors by posting a sign on his window that reads, "Celebrate Your White Heritage in March White History Month." Jim Boggess, who is the owner of Jimbo's Deli, says he put up the sign to remind everyone that they should be proud of their race and culture. "No matter what ...
The Viking ”Maine Penny” Mystery
2015-03-05 3:41
In 1957, during his second year of digging at the Goddard site; a large prehistoric Indian trade village in Penobscot Bay on the central Maine coast, local resident and amateur archaeologist Guy Mellgren found a small silver coin. The coin is later identified by experts as a Norse silver penny dating to the reign of Olaf Kyrre, king of Norway ...
More News »