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Patient H.M.

Luke Dittrich

Meet Henry Molaison, whose profound memory loss transformed neuroscience while exposing the human and ethical costs of medical discovery.

17 min7 Chapters
Patient H.M.

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Outline

What's it about?

Patient H.M. (2016) tells the story of Henry Molaison, who lost the ability to form new memories after brain surgery in 1953 and became the most studied patient in the history of neuroscience. Luke Dittrich, whose grandfather performed the operation, combines family history, medical history, and investigative reporting. The book reveals how much science learned about memory from one man, and raises serious questions about medical ethics.

Key ideas

  • Henry Molaison lost the ability to form new memories after brain surgery in 1953, and he never regained it.
  • He became the most studied patient in the history of neuroscience, and one man taught science a great deal about memory.
  • Luke Dittrich is the grandson of the surgeon who performed the operation, which gives the book a personal angle.
  • The book blends family history, medical history, and investigative reporting into a single account.
  • It raises serious questions about medical ethics and the human cost of scientific discovery.

About the author

Luke Dittrich is an American journalist and author who has written for leading magazines on science, medicine, and history. His personal connection to the story of Henry Molaison, through his grandfather the neurosurgeon William Scoville, led him to spend years researching it. Patient H.M. is his first book and became a bestseller.

Questions people ask

Who was Henry Molaison, also known as Patient H.M.?

Henry Molaison was a man who lost the ability to form new memories after brain surgery in 1953. He went on to become the most studied patient in the history of neuroscience.

Why does Luke Dittrich have a personal link to this story?

Dittrich's grandfather was the surgeon who performed the operation on Molaison. He combines that family history with medical history and investigative reporting.

Is Patient H.M. worth reading, and how long is the Durar summary?

It suits readers curious about memory, psychology, and the ethics of medicine, since it shows both what science learned from one man and what that cost. The Durar summary takes about 15 minutes to read or listen to.

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