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Brain love for boundaries

19.08.2016

Scientists have explained people's addiction to fences, small fences, fences, borders and capital walls. It turns out that in the human brain there is a special - and rather large - department that processes information about spatial boundaries. This information helps us to navigate in space.

"Boundaries in the environment affect how we move within them," said study author Soojin Park of Johns Hopkins University. During the experiment, the subjects were shown images of objects on a flat surface, objects surrounded by a low wall, and objects surrounded by high walls. With the size of the walls, the activity of the brain areas responsible for processing visual information increased; however, another area of the brain was equally excited at the sight of large and small fences.

"Our brain is very sensitive to any kind of delineated boundary. The most important thing to perceive is the vertical," continues Park.

When we see a place, a part of the hippocampus, which is known as the “landscape region” of the brain, reacts to its spatial characteristics - images of spaces and places are processed there (other parts of the brain process images of faces and other objects).

When the brain receives a picture of the spatial structure, which it recognizes as an obstacle and a limitation, another area is excited - the retrosplenial cortex, located deep in the brain. It is also involved in the processing of landscapes and interiors, however, it is now clear that this site controls navigation in space to a greater extent than assessment of the terrain.

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