Identifying the Brain's Own Facial Recognition System

Identifying the Brain's Own Facial Recognition System

Brain imaging studies consistently find that this region of the temporal lobe becomes active when people look at faces. Skeptics have countered, however, that these studies show only a correlation, but not proof, that activity in this area is essential for face recognition. Parvizi used electrodes placed on Blackwell's scalp to trace the seizures to the temporal lobe, about an inch above Blackwell's right ear. Then, surgeons placed more electrodes on the surface of Blackwell's brain, near the suspect point of origin in the temporal lobe. The researchers also recorded brain activity using the electrodes they'd placed on Blackwell's brain with a technique called electrocorticography.

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