Researchers use MRI scans to reveal the images that people were seeing as they entered into an early stage of sleep. http://www.bbc.co.uk/news/science-environment-22031074 A cognitive neuroscientist from the University of Oxford, said it was an "exciting" piece of research that brought us closer to the concept of dream-reading machines. "I had a strong belief that dream decoding should be possible at least for particular aspects of dreaming" By monitoring the brain scans the researchers could tell what the volunteers were seeing in their dreams. "We were able to reveal dream content from brain activity during sleep, which was consistent with the subjects’ verbal reports,"