The brain’s grid cells help us track other people’s movements, scientists report. This could shed light on why some people with age or dementia may become disoriented in crowds.
Feb. 27, 2023 -- You’re walking along a busy sidewalk, weaving through people, pets, and strollers, never colliding or losing your stride. How do you do that?Scientists have known that these cells help you track your movements, keeping tabs on where you’ve been, where you are, and where you’re headed, plus the direction of your gaze.researchers have discovered that they may help track the movements of those around us, too.
This creates an"internal compass," the researchers say. It helps you get from point A to point B without bumping into anyone along the way"These signals might underlie our ability to make our way along a crowded sidewalk or to navigate towards a soccer goal by considering the position of the other team’s players," says lead study author Isabella Wagner, PhD, an assistant professor in cognitive neuroscience at the University of Vienna.
"We suggest that grid-like codes and their associated network dynamics could serve to distribute information about the location of others throughout the brain," the authors write.“enables us to maneuver through crowded and dynamically changing environments as we encounter them in everyday situations.”
"Impaired visual-spatial information processing can be an early sign of neurodegenerative diseases, such as
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