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May 19, I have the first diagnosed case of a memory condition that the scientists who have studied me termed hyperthymestic syndrome — the. May 22, Definition. What is Hyperthymesia (hyperthymestic syndrome)?. Hyperthymesia is a word derived from Greek work hyperthymesis meaning. Mar 14, Because her case is the first one of its kind, the researchers have proposed a name for her syndrome – hyperthymestic syndrome, based on the.

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Kim Peek has memorized over books. How fortunate that I lived right up hyperthhmestic highway from him, only an hour away in Los Angeles.

Hyperthymesia | People With Potential

The above findings are in accordance with a review of memory in ASD that pointed out a deficit in episodic memory, huperthymestic are not in synsrome to its assumption of preserved memory for non-social stimuli [ 65 ]. Russian psychologist Alexander Luria documented the famous case of mnemonist Solomon Shereshevsky[5] who was quite different from the first documented hyperthymestic known as AJ real name Jill Price in that Shereshevsky could memorize virtually unlimited amounts of information deliberately, while AJ could not — she could only remember autobiographical information and events she had personally seen on the news or read about.

Furthermore, other cases of superior memory studied by science are those individuals without ASD that have set a Guinness World Record by memorizing hyperthymesyic of digits of pi, for example, Rajan Mahadevan, whose memory allowed him to recited 31, decimals of the mathematical constant pi, shows his ability to recite a random sequence of over 40 digits seen by him at the rate of a digit per second during a digit span test [ 86 ], whereas Hideaki Tomoyori, could recite the first 40, digits of pi, had an average visual digit span of 8, but 10 in the auditory digit span synrrome 87 ]; likewise, Hyperthyjestic Lu established the Guinness World Record at 67, decimals of pi and could remember a mean of 8.

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Consequently, S tried to forget what he had memorized in previous functions, but finally, he understood that memories only appear if he wanted it.

Heard on Talk of the Nation. The British Broadcasting Corporation. Besides, utilizing functional magnetic resonance imaging, a study measured the activation over time of the amygdala in adults with ASD and the results showed a delay in the decrease of hyerthymestic activity relative to control adults, which could be an action to improve face learning, since the participants with ASD had a reduction in the number of errors during a second set of the task of facial memory [ 59 ], while another study reported an association between increased amygdala activation and better facial memory in healthy people [ 60 ].


In the aftermath of the Neurocase publication alone, more than people contacted McGaugh; however, only a handful of cases were determined to be actual cases of hyperthymesia. Moderate-intensity exercise can improve your memory and may even increase the size of the part of your brain involved in memory. We are IntechOpen, the world’s leading publisher of Open Access books.

In Januarypainter and polymath Nima Syndromr was featured by the BBC for his use of hyperthymesia to create paintings that could only be produced with his ability. For instance, although his synesthesia was present since childhood, even in adulthood he kept showing much preoccupation because of the sensory experiences resulting from it. It is also open to question how far it is an all-or-none condition, or whether people can have the condition to different degrees.

Amnesia anterograde childhood post-traumatic psychogenic retrograde transient global Decay theory Forgetting curve Hylerthymestic theory Memory inhibition Motivated forgetting Repressed memory Retrieval-induced forgetting Selective amnesia Weapon focus.

Clinically, person having hyperthymesia have no complaints regarding his or her mental activity so, no intervention is required unless patient feels some kind of functional or structural disturbance in cerebral region. However, this was a worry about an apparent real-life problem, because S left his job as a journalist after meeting Luria, then S became a professional mnemonist who performed on stage memory acts to entertain audiences; he often gave several functions each evening and feared he began to confuse hyperthhmestic individual functions.

Anyway, in this theory the imbalance between procedural and declarative memory is needed to account for the impairments in social interaction, communicative capacity and behavioral flexibility, as well as for the islets of ability and neurobiological hyperthyymestic observed in people with ASD [ 1256 ]. syndromr

Blessed and Cursed by an Extraordinary Memory

Finally, other study reported that understanding expressions idioms is associated with more sophisticated and figurative mental images [ 71 ]; consequently, the creation of mental images in people with ASD might be a small successful attempt in order to understand abstract thinking as well as mental states of others, for example, mentalizing deficit in children with autistic disorder was initially tested using the unexpected transfer test of false belief [ 20 ], but both typically developing 3 year olds and children with autism significantly improve on that test syndeome they use thought bubbles, that is, visual representations of mental states hyperhhymestic 7273 ].

May 2nd Reviewed: Please discuss with your doctor for further information. By using this site, you agree to the Terms of Use and Privacy Policy. The study also found statistically significant evidence of obsessive-compulsive tendencies among the group, but the authors do not yet know if or how this aids recollection.


They can probably remember what they had for breakfast that day, too, and whether or not they felt tired.

Look up hyperthymesia in Wiktionary, the free dictionary. Some studies have found that hyperthymesiacs might have variations in the structure of their brainswhile others argue that it might have behavioral components. In Octoberit was reported that teenager Tyler Hickenbottom, who is an identical twin, had the condition, which allowed him to “remember every day of his life like it was yesterday”.

Every detail about every day since – what time she got up, who she met, what she did, even what she ate – is locked in her brain and can be released to come flooding back by common triggers like songs, smells or place names.

Both theorical proposals will later be explained in detail. How many mushrooms does each have?


Similarly, a study of individuals with declarative memory deficits due to neurological damage showed that creating mental imagery of events from a personal perspective may improve episodic memory [ 69 ], therefore, people syndrlme ASD might try to improve their poor episodic memory through mental imagery. In fact, they’re not under my conscious control, and much as I’d like to, I can’t stop them.

There may be some symptoms not listed above. Superior memory is also a popular topic in fiction. In order to solve this problem S imagined himself with them husband and wife [ 1 ]. To prevent people from searching for answers on-line during the test, reaction time for each question is measured; answers must be hyperthymextic within 11 seconds to qualify for consideration.

Louise Owen, a hyperthymesiac interviewed by 60 Syndrkme inhad a strong reaction when the reporter brought up an unhappy day from her past: A total of six or more items from criterion A core triad are required for the diagnosis of autistic disorder, with at least two from subcriterion A1 social interactionand one each from subcriteria A2 communicative capacity and A3 behavioral flexibilitywhile each of the three subcriteria contains four items [ 6 ].

Parker and colleagues used a variety of standardised neuropsychological tests in their diagnosis of AJ’s hyperthymesia. He was featured in the recent Channel 4 programme: Accessibility links Skip to main content Keyboard shortcuts for audio player.