An eidetic memory is where people have a photographic memory or total recall. It is believed that about 20% of the population have some form of eidetic.

implicit

He has an eidetic memory.

Eidetic memory, also known as photographic memory and total recall, is the ability to recall sounds, images or objects in memory with extreme precision.

No, not every person with autism has an eidetic memory. Eidetic memory, or photographic memory, is a rare ability that some individuals may have regardless of whether they have autism or not. Autism is a spectrum condition with a wide range of abilities and characteristics beyond memory.