News & AnalysisNeuroscience

How to Build a Dream-Reading Machine

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Science  05 Apr 2013:
Vol. 340, Issue 6128, pp. 21
DOI: 10.1126/science.340.6128.21

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Not long ago, the idea that you could "decode" what people were seeing, thinking, or dreaming about based on brain activity alone was unthinkable. Now, in a new study reported online this week in Science, the authors successfully predicted images seen in sleep based exclusively on MRI scans of brain activity. Although researchers warn that we're still far from having a machine that can fully read our dreams, the work is being described as a success.