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A number of people claim to have eidetic memory, but science has never found a single verifiable case of photographic memory. [1] [2] Eidetic imagery is virtually nonexistent in adults. [3] Most people showing amazing memory abilities use mnemonic strategies, mostly the method of loci.
Eidetic memory (/ aɪ ˈ d ɛ t ɪ k / eye-DET-ik), also known as photographic memory and total recall, is the ability to recall an image from memory with high precision—at least for a brief period of time—after seeing it only once [1] and without using a mnemonic device.
Allan Paivio's dual-coding theory is a basis of picture superiority effect. Paivio claims that pictures have advantages over words with regards to coding and retrieval of stored memory because pictures are coded more easily and can be retrieved from symbolic mode, while the dual coding process using words is more difficult for both coding and retrieval.
The method of loci is also known as the memory journey, memory palace, journey method, memory spaces, or mind palace technique. This method is a mnemonic device adopted in ancient Roman and Greek rhetorical treatises (in the anonymous Rhetorica ad Herennium , Cicero 's De Oratore , and Quintilian 's Institutio Oratoria ).
Eidetic memory (photographic memory) may co-occur in visual thinkers as much as in any type of thinking style as it is a memory function associated with having vision rather than a thinking style. [ citation needed ] Eidetic memory can still occur in those with visual agnosia , who, unlike visual thinkers, may be limited in the use of ...
Dual-coding theory postulates that both sensory imagery and verbal information is used to represent information. [3] [4] Imagery and verbal information are processed differently and along distinct channels in the human mind, creating separate representations for information processed in each channel. The mental codes corresponding to these ...
In 2021, a study by Keogh, Wicken, and Pearson focusing on the role of visual imagery in visual working memory tasks specifically considered the strategies people with aphantasia use in these tasks. It found no significant differences in visual working memory task performances for those with aphantasia when compared to controls.
Exceptional memory is the ability to have accurate and detailed recall in a variety of ways, including hyperthymesia, eidetic memory, synesthesia, and emotional memory. Exceptional memory is also prevalent in those with savant syndrome and mnemonists .