Headlines@Hopkins: Johns Hopkins University NewsReleases


Lines in Escher’s drawings can seem to be part of either of two different shapes. How does our brain decide which of those shapes to “see?” In a situation where the visual information provided is ambiguous — whether we are looking at Escher’s art or looking at, say, a forest — how do our brains settle on just one interpretation?

In a study published this month in Nature Neuroscience, researchers at The Johns Hopkins University demonstrate that brains do so by way of a mechanism in a region of the visual cortex called V2.

That mechanism, the researchers say, identifies “figure” and “background” regions of an image, provides a structure for paying attention to only one of those two regions at a time and assigns shapes to the collections of foreground “figure” lines that we see.