False memories in highly superior autobiographical memory individuals.
Level 4 - case-series / case-control
Case-control laboratory study comparing a rare cohort to matched controls (graded by CEBM design analogy)
PubMed 24248358 · doi:10.1073/pnas.1314373110
What was done
Researchers measured susceptibility to memory distortions in individuals with highly superior autobiographical memory (HSAM) compared with age- and sex-matched controls across multiple experimental paradigms: an associative word-list task measuring false recognition of nonpresented critical lures, a misinformation task evaluating memory for details in a photographic slideshow, and an assessment of whether participants mistakenly reported viewing nonexistent plane crash footage.
What was found
The abstract reports no numerical values, exact sample sizes, or test statistics. HSAM participants and controls were both susceptible to false recognition of lure words in the word-list task. In the misinformation task, HSAM participants demonstrated higher overall false memory for photographic slideshow details than controls. Both groups were equally likely to mistakenly report having seen nonexistent footage of a plane crash.
Why it matters
This demonstrates that even extraordinary autobiographical memory does not confer immunity to memory distortion. It supports the view that malleable, reconstructive processes are an intrinsic feature of human episodic memory retrieval.
Limits
The abstract reports no sample size (n) or quantitative data. The findings rely on laboratory memory-distortion paradigms rather than spontaneous autobiographical memory errors, and the rare nature of HSAM restricts sample availability.
Cited by
- supports People with exceptional visual memory still make memory errors, and photographic memory does not exist in an infallible form.