Why true photographic memory remains a myth in human cognition

Fictional characters such as Sherlock Holmes and Joy Kwon often display flawless recall, but real brains work differently, says developmental psychologist Gabrielle Principe. In a classroom test, students fail to draw a penny from memory, illustrating the limits of ordinary recall. While a few children report eidetic imagery, those mental pictures are fleeting and never perfectly accurate.

Simona Ghetti notes that forgetting prevents mental clutter and aids emotional health, as negative events fade faster than positive ones. Memory retrieval involves multiple brain regions and can blend real experiences with imagined or suggested details, leading to occasional false memories even among those with highly superior autobiographical memory. Such inaccuracies can have serious consequences in criminal investigations, underscoring that the inability to remember everything is actually advantageous.