Stress can scramble your brain’s internal GPS, MRI study finds

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Stress may literally scramble the brain’s internal GPS. Researchers found that cortisol, a hormone released during stress, made people significantly worse at navigating a virtual environment and disrupted the precise activity of grid cells, specialized brain cells that help us understand where we are in space. When landmarks were missing, this navigation system nearly stopped functioning, while another brain region appeared to step in and compensate.

Source: https://www.sciencedaily.com/releases/2 ... 035151.htm