Rats Communicate Brain-to-Brain

Two rats have been linked using brain-computer interfaces (BCIs) by Duke University researchers. They demonstrated that it is possible for one rat to learn from the experiences of another.


(Rats Communicate Brain-to-Brain video)

"Our previous studies with brain-machine interfaces had convinced us that the rat brain was much more plastic than we had previously thought," said Miguel Nicolelis, M.D., PhD, lead author of the publication and professor of neurobiology at Duke University School of Medicine. "In those experiments, the rat brain was able to adapt easily to accept input from devices outside the body and even learn how to process invisible infrared light generated by an artificial sensor. So, the question we asked was, 'if the brain could assimilate signals from artificial sensors, could it also assimilate information input from sensors from a different body?'"

To test this hypothesis, the researchers first trained pairs of rats to solve a simple problem: to press the correct lever when an indicator light above the lever switched on, which rewarded the rats with a sip of water. They next connected the two animals' brains via arrays of microelectrodes inserted into the area of the cortex that processes motor information.

One of the two rodents was designated as the "encoder" animal. This animal received a visual cue that showed it which lever to press in exchange for a water reward. Once this "encoder" rat pressed the right lever, a sample of its brain activity that coded its behavioral decision was translated into a pattern of electrical stimulation that was delivered directly into the brain of the second rat, known as the "decoder" animal.

The decoder rat had the same types of levers in its chamber, but it did not receive any visual cue indicating which lever it should press to obtain a reward. Therefore, to press the correct lever and receive the reward it craved, the decoder rat would have to rely on the cue transmitted from the encoder via the brain-to-brain interface.

The researchers then conducted trials to determine how well the decoder animal could decipher the brain input from the encoder rat to choose the correct lever. The decoder rat ultimately achieved a maximum success rate of about 70 percent, only slightly below the possible maximum success rate of 78 percent that the researchers had theorized was achievable based on success rates of sending signals directly to the decoder rat's brain.

The earliest book that describes this process, as far as I remember, was Oath of Fealty, a 1981 novel by Jerry Pournelle and Larry Niven. In the story, people could have wireless brain-computer links called communication implants; these linkages could then be used to allow two people to effectively share their thoughts with each other (as mediated by the computer system).

From A Brain-to-Brain Interface for Real-Time Sharing of Sensorimotor Information via Eurekalert and MedGadget.

Scroll down for more stories in the same category. (Story submitted 3/1/2013)

Follow this kind of news @Technovelgy.

| Email | RSS | Blog It | Stumble | del.icio.us | Digg | Reddit |

Would you like to contribute a story tip? It's easy:
Get the URL of the story, and the related sf author, and add it here.

Comment/Join discussion ( 0 )

Related News Stories - (" Communication ")

BloxVox Mutes Cellphone Convos
'had he not been talking into a hush-a-phone which he had plugged into the telephone jack...' - Robert Heinlein, 1940.

Sonitus Audio Interface Positioned Beyond The Noise
'... an instrument having relatively small bit pieces adapted to be gripped between the teeth.' - Hugo Gernsback, 1923.

FlexPai Foldable Phone By Royole
'...A paper thin polycarbon screen unfurled.' - William Gibson, 1986.

BrainNet Social Network Of Brains
'I used my implant to tell MILLIE what we wanted and she took care of it' - Pournelle and Niven, 1981.

 

Google
  Web TechNovelgy.com   

Technovelgy (that's tech-novel-gee!) is devoted to the creative science inventions and ideas of sf authors. Look for the Invention Category that interests you, the Glossary, the Invention Timeline, or see what's New.

 

 

 

 

 

Current News

North Focals Smart Glasses Provide Augmented Reality In Style
'The world ... is drenched in unfamiliar information all the way to the horizon.'

Tesla Driver Caught Napping Behind The Wheel
'Mary Risling settled back for a little nap...'

Hayabusa 2 To Begin Asteroid Mining
'We must dig down, and then doubtless we shall find the metal.'

Ionocraft Drone Powered By Electrohydrodynamic Thrust
'He saw one hiss by him as he rounded the corner, trailing a short whip antenna...'

Purdue Pharma Ready To Profit From OxyContin Use Or Addiction Recovery
'It may be organic damage. It may be permanent. Time'll tell, and only after you are off Substance D for a long while.'

BloxVox Mutes Cellphone Convos
It's the polite thing to do, and has been the polite thing to do for about four generations.

Superfast Replicator: Volumetric Additive Manufacturing
I can't wait. Bring it on.

DNA May Contain Malware
'You were told to embed the logical pathogen.'

I Can't Resist Worm Robots
'Seen close it was not completely flexible...'

Rplate Digital License Plates Now Legal In Michigan
'Gragg's digital ink license plates ...'

Can Musk Starship Astronauts Use Magnetic Boots?
'Walking awkwardly in the magnetic boots that held him to the black mass of meteoric iron...'

Giant Dolphin Spotted On Jupiter!
'Now at last he could appreciate its real size and complexity...'

Musk's Starship An SF Fan's Dream Come True
Perfect for testing, perfect for fans!

TinyMobileRobots Are Sewer Sentinels
Every movie monster gets its start someplace.

Fishy Facial Recognition Now Possible
'Palenkis can identify random line patterns better than any other species in the universe.'

Spicy Tomatoes Created With Genetic Engineering
How about mashed potatoes and brown gravy?

More SF in the News Stories

More Beyond Technovelgy science news stories

Home | Glossary | Invention Timeline | Category | New | Contact Us | FAQ | Advertise |
Technovelgy.com - where science meets fiction™

Copyright© Technovelgy LLC; all rights reserved.