When we want to convey a message, we need to move our body, for example by speaking or by tapping a keyboard," said Yukiyasu Kamitani, the project's head researcher from the Advanced Telecommunications Research Institute International, a private institute based in Kyoto, Japan.
"But if we can get information directly from the brain, it will be possible to communicate directly by imagining what we want to say, without having to move," Kamitani said in a telephone interview with Reuters.
Such technology might one day open the way to communication for people who cannot speak or help visualize hallucinations to assist doctors diagnosing mental disorders, Kamitani added.
Basically through this technology scientiest were able to see things which a person had seen.
They conducted experiments on 400 volunteers and showed them geometric figures and then the computer afterwards was able to produce these images of the volunteers had seen
"In this experiment, we reconstructed images of what people actually saw, but the brain's visual cortex is said to be active even when just imagining something," Kamitani said.
The next step for the team is to study how to visualize images inside people's minds, he said.
"We want to know how our subjective experiences and dreams are expressed inside our brains," Kamitani said, adding that the study might lead to producing images of dreams.
If the team does manage that there were potential privacy issues and strong safeguards would be needed, he said.
"As accuracy rises, it is possible that information that people want to keep private could also be visualized while they are sleeping."
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