Researchers use EEG to reconstruct what brain is seeing

A crime happens, and there is a witness. Instead of a sketch artist drawing a portrait of the suspect based on verbal descriptions, the police hook the witness up to EEG equipment. The witness is asked to picture the perpetrator, and from the EEG data, a face appears.

While this scenario exists only in the realm of science fiction, new research from the University of Toronto Scarborough brings it one step closer to reality. Scientists have used EEG data (“brainwaves”) to reconstruct images of faces shown to subjects. In other words, they’re using EEG to tap into what a subject is seeing.

Is it mind reading? Sort of.

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