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Dreams have captivated mankind since the beginning of time and have been the subject of countless studies over the years. Case in point: researchers at the ATR Computational Neuroscience Laboratories in Kyoto, Japan, have been working to visualize the images that a sleeping person sees in real time. Led by Yukiyasu Kamitani, the team appears to be on the brink of success. By using functional magnetic resonance imaging (fMRI) which monitors the flow of blood in the brain, the team was able to build an algorithm that can display images in dreams as they happen. This is believed to be the first time that objective data has been captured from dreams. The study consisted of three test subjects that each slept for three hours at a time in an MRI machine while attached to an EEG machine. Subjects exhibited brain activity as they drifted into State 1 non-REM sleep. Researchers would then awake the patients and ask them what they saw, a move that was repeated roughly 200 times over the course of 10 days. Scientists then found images of the 20 most common dream categories and showed them to the test subjects. Then they went back into the machine for more observation. At the end of the study, the algorithm was only able to correctly visualize what the person was dreaming 60 percent of the time – a figure that Kamitani said is too high to be chance.
In this way, the scientists were able to glean a rough translation of each subject's brain activity, and fed that data into a learning algorithm that could refine its accuracy based on further data. When the subjects were once again connected, sleeping, to the MRI machine, the algorithm scanned their brain activity, producing visualisations. As it turned out, it was only correct 60 per cent of the time — a number that Kamitani believes is significant, since it is too high to be chance.
Originally posted by badconduct
algorithm to display images from dreams in real time
Originally posted by Phoenix267
... allowing us to display images from our dreams is a cool way in making our dreams come alive.
Originally posted by ZetaRediculian
So I suppose this will put alien abductions to rest?
Originally posted by winofiend
reply to post by alfa1
Exactly. It's able to recognise a strong emotional state in the mind, but it can't see what is inside it. It's like a metal detector for emotions, in a way. an emotion detector.
It can recognise when you experience the feelings of intense love, dreaming about someone you love, but it can't see her face, or the smell of the air the first time you saw her, or any of the things that we dream about.
It seems they are able to detect complex combinations of these feelings by the regions of the brains that light up, and when we associate some things in a sort of mass consciousness where certain things relate to certain negative fears or positive desires, a pattern is likely to form. Like reciting the alphabet, I would imagine that would spark up specific regions of the brain if they checked for it.
It's all a little bit clockwork orangy though, if they can detect when someone is feeling desire to murder, off goes their thinking cap and rings the police.
That is more scary to me, really, as a potential problem than being able to record someone's dreams or memories.