I don’t really know of anything like that (aside from fictional evidence like ‘Funes the Memorious’); there is research on weakening memories, but that focuses on stuff like rape and post-traumatic stress disorder.
If you were wrong that knowing something would save you 5 minutes, you can always just delete those cards. (The brain keeps plasticity even into old age, so whatever limit there is seems to not be reached in a normal life.)
I don’t really know of anything like that (aside from fictional evidence like ‘Funes the Memorious’); there is research on weakening memories, but that focuses on stuff like rape and post-traumatic stress disorder.
If you were wrong that knowing something would save you 5 minutes, you can always just delete those cards. (The brain keeps plasticity even into old age, so whatever limit there is seems to not be reached in a normal life.)