This recall is theorized to be essentially ‘unprocessed’ sensory memory of raw sensory events (i.e. A handful of recent studies have suggested that there may be a few, rare individuals who are capable of a limited amount of eidetic recall. Almost all claims of “eidetic memory” fall well outside this narrow definition. The existence of extraordinary memory skills is reasonably well-documented, and appears to result from a combination of innate skills, learned tactics, and extraordinary knowledge bases (you can remember more of what you understand than you can of meaningless or unconnected information.) Technically, though, eidetic memory means memory for a sensory event that is as accurate as if the person were still viewing, or hearing, the original object or event.
Much of the current popular controversy surrounding eidetic memory results from an over application of the term to almost any example of extraordinary memory skill. However, some synesthetes have been found to have a more acute than normal “perfect colour” sense with which they are able to match colour shades nearly perfectly after extended periods of time, without the accompanying synesthetic reaction. Synesthesia has also been credited as an enhancement of auditory memory, but only for information that triggers a synesthetic reaction. However, most individuals with a diagnosis of autism do not possess eidetic memory. Autistic savants are a rarity, but they in particular show signs of spectacular memory.
Some individuals with autism display extraordinary memory, including those with autism spectrum disorders such as Asperger syndrome. These sporadic occurrences of eidetic memory are not triggered consciously in most cases. However, this process is generally most evident when those with eidetic memory make an effort to remember such details.Īlso, it is not uncommon that some people may experience ‘sporadic eidetic memory’, where they may describe some number of memories in very close detail. They may recall an event with greater detail while those with a different memory remember daily routines rather than specific details that may have interrupted a routine. People who have a generally capable memory often use mnemonic devices (such as division of an idea into enumerable elements) to retain information while those with eidetic memory remember very specific details, such as where a person was standing, what the person was wearing, etc. However, there are distinct differences in the manner in which information is processed. Some people who generally have a good memory claim to have eidetic memory. This fact stands in contrast to the general misinterpretation of the term which assumes a constant and total recall of all events.
Much like any other memory, the intensity of the recall may be subject to several factors such as duration and frequency of exposure to the stimulus, conscious observation, relevance to the person, etc. Kernerman English Multilingual Dictionary © 2006-2013 K Dictionaries Ltd.Eidetic or photographic memory is popularly defined as the ability to recall images, sounds, or objects in memory with extreme precision and in abundant volume.Įidetic memory as observed in children is typified by the ability of an individual to study an image for approximately 30 seconds, and maintain a nearly perfect photographic memory of that image for a short time once it has been removed-indeed such eidetickers claim to “see” the image on the blank canvas as vividly and in as perfect detail as if it were still there.
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