Stress Disrupts Brain’s GPS System | Science News

Stress hijacks your brain’s GPS—new German research shows cortisol messes with grid cells, making navigation harder even in virtual spaces. Forty men tested under cortisol vs. placebo found their accuracy plummeted, especially without landmarks. MRI scans revealed grid cell activity faded, while the caudate nucleus stepped in as a backup. Since the entorhinal cortex—hit first by Alzheimer’s—is also affected, this could explain how chronic stress fuels dementia risk. Listen in comfort:Get a discount on a Soli Pillow: http://solipillow.com/discount/dnn. Advertise on DNN:[email protected] This is an automated, high-level news summary based on public reporting.Report issues to [email protected]. View sources & latest updates:https://sources.thednn.ai/faf5e4d9f8a841a8