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Updated: 10/5/2020
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Storyboard Text

  • Patient HM falls off his bike at a young age and hits his head this causes him to start having seizures
  • Despite trying all the medication for seizures nothing was working so he decided to go see a surgeon.
  • HM went to a doctor named William Scoville where he tried an experimental surgery on HM that involved removing the entire hippocampus
  • Dr Milner came in to form a case study on HM as he was experiencing retrograde amnesia. The aim of this study was to better understand the effects that the surgery had on HM.
  • Milner conducted multiple different tests on HM such as psychometric tests, interviews and cognitive testing.
  • One of the tests involved HM drawing a star while looking in a mirror to test his procedural memory, which worked and he got better and better at it
  • Some of the important findings from HM's case include:-The hippocampus plays a critical role in converting memories of experiences from STM to LTM.-STM is not stored in the hippocampus-Implicit memory contains several stores - for example, procedural memory, emotional memory and skills and habits. Each of these areas is related to different brain areas.
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