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The limited right to alter memory
  1. Adam J Kolber
  1. Correspondence to Mr Adam J Kolber, Brooklyn Law School, 250 Joralemon Street, Brooklyn, NY 11201, NY, USA; adam.kolber{at}

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We like to think we own our memories. If we could ever dampen or erase a memory, the decision to do so, it may seem, should be ours and ours alone. On occasion, for example, patients unexpectedly regain consciousness while undergoing major surgery. Many are horrified by the experience and subsequently develop post-traumatic stress disorder. If there were a way to avoid such trauma by blocking or erasing the memory of one's own surgery, surely patients should ordinarily be given the opportunity to do so. Indeed, intraoperative awareness presents a rare opportunity to erase a memory with limited downside.

But while we should certainly have rights to alter memories,1–3 our freedom of memory has limits. Some memories are simply too valuable to society to allow us the unfettered right to change them. Imagine a patient who regains consciousness during surgery and realises she is being raped by one or more members of her surgical team. If futuristic memory erasure could eliminate her horrifying memories, it could spare her from debilitating post-traumatic stress. But memory erasure might also eliminate the only opportunity to prosecute the offenders.

In some cases, we might be able to record a victim's recollections before erasing them so they could later be used in court. But some memory-altering techniques require treatment before the legal system would have a good opportunity to record pertinent testimony. In addition, out-of-court statements are often deemed inadmissible ‘hearsay’ evidence. Thus, we may face difficult questions about whether doctors should be permitted to prescribe a memory-erasing drug to willing patients when doing so will eviscerate a memory essential to a criminal …

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  • Competing interests None.

  • Provenance and peer review Commissioned; internally peer reviewed.

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