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Researchers have discovered a way to remove specific fears from the brain, using a combination of artificial intelligence and brain scanning technology. Their technique could lead to a new way of treating patients with conditions such as post-traumatic stress disorder (PTSD) and phobias.
The team developed a method to read and identify a fear memory using a new technique called 'Decoded Neurofeedback'. The technique used brain scanning to monitor activity in the brain, and identify complex patterns of activity that resembled a specific fear memory.
In the experiment, a fear memory was created in 17 healthy volunteers by administering a brief electric shock when they saw a certain computer image. When the pattern was detected, the researchers over-wrote the fear memory by giving their experimental subjects a reward.
"The way information is represented in the brain is very complicated, but the use of artificial intelligence (AI) image recognition methods now allow us to identify aspects of the content of that information.
When we induced a mild fear memory in the brain, we were able to develop a fast and accurate method of reading it by using AI algorithms. The challenge then was to find a way to reduce or remove the fear memory, without ever consciously evoking it."
"We realised that even when the volunteers were simply resting, we could see brief moments when the pattern of fluctuating brain activity had partial features of the specific fear memory, even though the volunteers weren't consciously aware of it. Because we could decode these brain patterns quickly, we decided to give subjects a reward -- a small amount of money -- every time we picked up these features of the memory."
The team repeated the procedure over three days. Volunteers were told that the monetary reward they earned depended on their brain activity, but they didn't know how. By continuously connecting subtle patterns of brain activity linked to the electric shock with a small reward, the scientists hoped to gradually and unconsciously override the fear memory.
"Remarkably, we could no longer see the typical fear skin-sweating response. Nor could we identify enhanced activity in the amygdala -- the brain's fear centre," she continued. "This meant that we'd been able to reduce the fear memory without the volunteers ever consciously experiencing the fear memory in the process."
originally posted by: omniEther
For anyone thinking this is a voo doo mind control breakthrough
"the researchers over-wrote the fear memory by giving their experimental subjects a reward"
they shocked patients everytime they saw a certain image then simply went back and have them a reward when seeing the image