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A team of Japanese scientists have created a device that enables the processing and imaging of thoughts and dreams as experienced in the brain to appear on a computer screen.
While researchers have so far only created technology that can reproduce simple images from the brain, the discovery paves the way for the ability to unlock people's dreams and other brain processes.
A spokesman at ATR Computational Neuroscience Laboratories said: "It was the first time in the world that it was possible to visualise what people see directly from the brain activity.
"By applying this technology, it may become possible to record and replay subjective images that people perceive like dreams." The scientists, lead by chief researcher Yukiyaso Kamitani, focused on the image recognition procedures in the retina of the human eye.
It is while looking at an object that the eye's retina is able to recognise an image, which is subsequently converted into electrical signals sent into the brain's visual cortex.
The research investigated how electrical signals are captured and reconstructed into images, according to the study, which will be published in the US journal Neuron.
As part of the experiment, researchers showed testers the six letters of the word "neuron", before using the technology to measure their brain activity and subsequently reconstruct the letters on a computer screen.
Since Sigmund Freud published The Interpretations of Dreams over a century ago, the workings of the sleeping human mind have been the source of extensive analysis by scientists keen to unlock its mysteries.
Dreams were the focus of a scientific survey conducted by the Telegraph last year in which it was concluded that dreams were more likely to be shaped by events of the past week than childhood traumas.
Source : telegraph.co.uk
