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18-year-old Emily Nash has a rare condition called Highly Superior Autobiographical Memory (HSAM). Fewer than 100 people in the world are known to have it. She can recall specific dates, life events, and pop-culture moments from years ago with incredible detail, almost like a living timeline of her own...

591,335 views • 4 months ago •via X (Twitter)

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More Details 🚨 I can recite all the Harry Potter books word-for-word: Meet the woman with an astonishing memory thanks to rare condition Rebecca Sharrock, a woman from Brisbane, Australia, possesses an extraordinary gift — she can remember virtually every detail of her life due to a rare condition called Highly Superior Autobiographical Memory (HSAM), also known as hypermnesia. She is one of just 80 people worldwide identified with this ability, which allows her to recall even the most trivial events with striking accuracy. Her earliest memory dates back to when she was just 12 days old, sitting in the driver’s seat of a car while her mother took a photo. Since then, she remembers every single day — the weather, her activities, and the emotions she felt. When reliving memories, she re-experiences emotions and even physical sensations like pain. For instance, she can still feel the sting in her knee from a fall when she was three. Rebecca’s memory extends to taste as well. She can vividly re-taste her favorite food, black forest cake, simply by thinking about it, which helps her mentally replace unpleasant tastes. She once calmed herself during childhood nightmares by reciting Harry Potter books — which she knows word-for-word, even by page number. Diagnosed with autism and OCD as a teen, Rebecca and her family didn’t initially recognize her memory as unusual. It wasn’t until her mother watched a 60 Minutes episode on HSAM in 2011 that they realized she might have the rare condition. After contacting researchers at the University of California, she was confirmed to have HSAM in 2013 and joined their ongoing study. While her memory is fascinating, it can be overwhelming. Rebecca has been diagnosed with PTSD due to vividly reliving painful moments, including past bullying. Even visiting her old school triggered a breakdown from the flood of negative memories. To cope, she uses mindfulness techniques and focuses on positive past events on the first of each month. Rebecca also struggles to sleep, needing light and sound to quiet the flood of memories. Her short-term memory can be unclear initially, but often becomes sharper over time, which researchers find particularly interesting in understanding memory development. She avoids watching television news because the disturbing images linger in her mind too strongly. Instead, she reads newspapers and focuses on her passion for books and writing, finding the structure of reading more manageable than visual media. Now, Rebecca runs her own Facebook and Twitter pages to connect with others with HSAM and raise awareness. She continues to support research into memory at the University of California, believing that her participation could contribute to better understanding Alzheimer’s and dementia. FYI, I focus on adding context to social media posts that often lack it. If you're interested in seeing posts with added clarity and background, consider following me.

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