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Contact: Shilo Raube
Carnegie Mellon University

Predicting the Activation of a New Concrete Noun

Caption: Additionally, the team was able to predict where the activation would be for a previously unseen noun. A computer program assigned a score to each word for each of the three dimensions, and that score predicted how much brain activation there would be in each of 12 specified brain locations. The theory generated a prediction of the activation for apartment based only on the patterns derived from the other 59 words. As one slice of the observed brain image from a human participant (left) and the theory (right) shows, the theory makes precise predictions, particularly about the two shelter-related coding areas in this slice (circled), where brighter red indicates more activation.

Credit: Carnegie Mellon University

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Related news release: Carnegie Mellon scientists crack brain's codes for noun meanings

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