Interesting work! Fmri is a lab only thing of course, and emotion are often multifaceted, but this may make a good baseline.
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For the first time, scientists can identify your emotions based on brain activity
The field of neuroscience has been animated recently by the use of Functional Magnetic Resonance Imaging, or fMRI. When a person lies in an fMRI machine, scientists can see their brain activity in real time. It's a species of mind reading that promises to unlock the still mysterious workings of our grey matter.
In April, a team in Japan announced that they could identify when a subject was dreaming about different types of objects like a house, a clock, or a husband. Last November, another group of researchers using this technique was able to predict if gadget columnist David Pogue was thinking about a skyscraper or a strawberry.
What earlier studies couldn't determine, however, was how the subjects were actually feeling. A new...