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The story I recall is told from the point of view of a protagonist who wakes up every day in a different person's body. Always a man, always in the same city. He does not have access to his "host's" memories, but muscle memory sort of works. So if he needs to open a door, the body will start to move to get keys, that kind of thing. As a result he tries to avoid interacting with people who know the person. If someone tries to talk to him - his host actually - he will try to dodge them or make an excuse to leave.

He almost never tries to live any of the activities in the life of his host. He just gets up, leaves wherever he wakes up, and does his own things. He has a locker that he keeps his own stuff in, and he often spends time at the library.

He comes to the realization that not only is everyone he is inhabiting the same age, they were all born in the same city. So he suspects that he - whoever "he" is - must have been born then and there as well.

One day his host is a doctor, and this time he actually dresses as the doctor and goes to the hospital. He finds a man, the same age, comatose. He has been comatose for years, maybe from birth? Perhaps there was some kind of accident or event? But the comatose patient's brain always shows a certain amount of function, as though it were continuously forming memories...

This last is much less clear, and I may be conflating another story, but I remember that his (the patient's) father may have been doing experiments on him. As in, inserting tubes into his head and extracting a portion of his brain each day. So the ability to use the brains of others around him was an adaptive trait from a desperate attempt to survive that.

It feels to me that this is something I probably read in Analog in the early-to-mid 90's.

  • This is actually a duplicate – Ross Presser Jun 30 at 17:43
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    @RossPresser That answer has not been accepted, so we can't formally mark it as duplicate. (Unfortunately that happens pretty often.) – DavidW Jun 30 at 17:46
  • Makes sense, thanks for the followup. – Ross Presser Jun 30 at 17:48
15

This is "The Safe-Deposit Box", in Greg Egan's short-story collection Axiomatic.

1996 paperback cover for Axiomatic

It turns out that his father had been a mad neurosurgeon, who as you say decided to experiment on his infant son's brain by removing it bit by bit.

The Wikipedia entry for Axiomatic says this about the story:

A man inhabits the body of a different person every time he wakes up, and has lived this way his entire life.

As noted in the comments the story was originally published in Isaac Asimov's Science Fiction Magazine, September 1990 and can be read at the Internet Archive.

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    Can you explain why this matches? – FuzzyBoots Mar 30 '19 at 0:05
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    The story is available at archive.org/details/Asimovs_v14n09_1990-09/page/n113 – user14111 Mar 30 '19 at 4:40
  • Well done @user14111! I looked all over for it. – TonyK Mar 30 '19 at 11:43
  • Nothing to it. First I went to isfdb.org to see where that story was published, then I looked up that issue of Asimov's at archive.org. – user14111 Mar 30 '19 at 12:22
  • Thanks to you and @user14111, that is the story. I didn't get it all correct, but Asimov's is close to Analog, right? :) – DavidW Apr 1 '19 at 14:36

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