Sharing spaces: Your brain considers other people’s personal space as your own

Peripersonal space (PPS) is the area immediately around your body used when interacting with people and objects. Recently, researchers have shown that some neurons in the primate brain respond to an infringement of another individual’s PPS as if their own space was being encroached upon. Now, a Japanese researcher studying human behavior has shown that people respond to someone else’s PPS as quickly as they do their own.
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