What is a picture worth?
Ifat Levy, a neuroscientist at the Hebrew University of Jerusalem, and her colleagues have calculated that when you see the image of a face or a house, at least a million neurons fire in the area of your brain responsible for object recognition, and between 30 million and 400 million fire in the visual cortex as a whole. So, as the investigators titled their article, “One picture is worth at least a million neurons.
