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Journalist Katie Couric recently disclosed a frightening medical event - A Transient Global Amnesia (TGA), a rare condition that causes temporary yet total short-term memory loss.

Medical experts describe this phenomenon as a brief malfunction in the hippocampus, the brain's "save button," which prevents the formation of new memories while leaving long-term identity intact.

Though the symptoms often mimic a stroke, TGA is typically a benign and self-limiting occurrence triggered by physical or emotional stress. These sources clarify that while patients may repeatedly ask the same questions during an episode, most recover fully within 24 hours. Couric’s public account has fostered a broader conversation, prompting many others to share their personal encounters with this mysterious neurological "black hole."

As a long-time health advocate, Couric uses her experience to demystify the condition and provide reassurance to those who find it terrifying.