Researchers found that fear blurs the brain's neural maps of safety and danger rather than sharpening them. By using augmented reality to teleport mice between environments, they observed overlapping memory representations in the hippocampus. This creates a faster but less precise system for detecting threats.
This suggests PTSD reactions are an overactive survival mechanism prioritizing speed over accuracy, not a broken system. While it reframes how we view anxiety, the results are currently limited to mice and need human verification.
more: https://www.sciencedaily.com/releases/2026/11/261102202833.htm
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