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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He has a diary-like recall of ordinary, daily events that most everyone else would have discarded, or at least relegated to memory storage not ordinarily accessible. Restricted and repetitive behavior 1. Nobody could understand, including me, and in time I was so frustrated by trying to describe the experience that I simply gave up and began keeping it almost entirely to myself. Impairment in social interaction 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 ].

Blessed and Cursed by an Extraordinary Memory : NPR

James McGaughprofessor of neurobiology and behavior at the University of California talks about treating her rare hyperthymestic syndrome. We are IntechOpen, the shndrome leading publisher of Open Access books.

By a stroke of what now seems to me divine providence, I went online and did a search for “memory,” and to my great good fortune, the first entry that came up was to Dr. UCI researchers and staff have assessed more than people who thought they might possess highly superior autobiographical memory and have confirmed 33 to date, including the 11 in the paper.

This latter situation was interpreted by Luria as S had learned to forget [ 1 ], but such assumption is inaccurate because it is different forget than to only remember when one wants to.

Moreover, a mental calculator described in his book the case of an elderly man with ASD who could tell what day of the week any given date fell, because he remembered the day of the week and an event of dates that he had lived [ 80 ], while another author described twins, John and Michael who also recalled hyperthmestic great amount of events from their own life, but in addition, they could say the day of the week for any date in a period of 80, years [ 81 ].

The constant, irrepressible stream of memories has caused significant disruption to AJ’s life. Social-emotional reciprocity 1c 1d 2b 2. Join Give Media Login. When Leo Kanner wrote his clinical description of autistic disorder, he pointed out excellent rote memory in children with the disorder and hinted that such an overload may be involved in the development of the disorder [ 3 ].

Besides, S had a persistent preoccupation with parts of objects item Syndromd [ 6 ]. In addition, such a hyperthmestic is in accordance with a meta-analysis which found that picture vocabulary tests are the peak of ability relative to verbal IQ in high functioning individuals with ASD [ 54 ]. However, it is important note that there are several deficits in declarative memory in individuals with ASD, but such deficits might be explained by overlap in the functioning of the memories.


Relationship between great mnemonists and ASD There are several cases of individuals with ASD that have been known for their astounding memory, for example, Kim Peek learned more than 12, books and his encyclopedic knowledge covering at least 15 interests such as world and American history, sports, movies, geography, actors and actresses, literature and classical music.

She described her life as like a split-screen television, with one side showing what she is doing in hyperghymestic present, and the other showing the memories which she cannot hyperthymestoc back. Owen described some of the darker aspects to her gift to 60 Minutes. The phenomenon was first described by a memory research group in California a few years ago. I had been sure that my search would send me to some Web site all about memory and that I’d read about other people like me.

It has been surmised that the mnemonist job could exacerbate autism symptoms in S [ 4 ]. There may be some symptoms not listed above. Louise Owen, a hyperthymesiac interviewed by 60 Minutes inhad a strong reaction when the reporter brought up an unhappy day from her past:.

How is Hyperthymesia hyperthymestic syndrome diagnosed? Impaired everyday functioning C.

Meet the Super-Memory Man”. Archived from the original on Hyperthymesia is neither pathological condition nor it is intense clinical emergency condition that requires prompt intervention. It was the case of A. Accessed May 17, Some are of the view that the brain contains so many potential synaptic connections that, in theory at least, no practical limit exists to the number of long-term memories that the brain can store.

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 amygdala 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 ].

Thus, the presence of the cognitive deficits predicted by such theories may be considered motivations associated with autism. For this reason, the present chapter begins by reviewing the evidence for the diagnosis of autistic disorder in S using criteria from the Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition, Text Revision DSM-IV-TR of the American Psychiatric Association [ 6 ] and from proposed criteria for its fifth edition [ 7 ], the chapter also compares his symptoms with those from a famous case DT with Asperger syndrome [ 89 ].

In contrast, some studies have challenged this finding, but it is important to note that all of these later studies had not use the same aforementioned task but rather tasks with 4-element sequences or shorter, as well as other changes in the application of the tasks [ 47 – 49 ], while significant improvement has been found in this sort of tasks in individuals with autistic disorder when the sequence length is short [ 50 ].


If you have any signs or symptoms listed above or have any questions, please consult with your doctor. Blessed and Cursed by an Extraordinary Memory Jill Price can recall every detail of the last three decades of her life — whether she wants to or not. She would like anyone who might be able to help her with her research to contact her at the University of Hull.

Mnesic Imbalance or Hyperthymestic Syndrome as Cause of Autism Symptoms in Shereshevskii

Furthermore, his preoccupation on visual mental representations took up most of his time, for instance, when S read this sentence: However, his pronominal reversal seems to be related to self-consciousness disturbance shown by individuals with ASD [ 24 ].

Everyone in the study had variations in nine structures of their brains compared to those of control subjects, including more robust white matter linking the middle and front parts. Blessed and Cursed by an Extraordinary Memory. The emotional stress of the rush of memories was compounded by the fact that because my memory worked so differently from the norm, it was incredibly difficult to explain to anyone else what was going on in my mind.

Facebook Twitter Flipboard Email. Fortunately, although the psychologist who wrote the psychobiographical text to be discussed in the present chapter did not specifically search for autism symptoms, he pointed out several of these symptoms in S. Two other patterns have emerged. Help us write another book on this subject and reach those readers. Definition What is Hyperthymesia hyperthymestic syndrome?

Parker and colleagues speculated that a defective frontostriatal circuit could be responsible for the observed executive function deficits in hyperthymesia. Later S remarked that if he had been asked to memorize the letters of the alphabet arranged in a similar order, then he would have proceeded with it in the same way because he would not have noticed such an arrangement [ 1 ]. Look up hyperthymesia in Wiktionary, the free dictionary. They’re degrees different from the usual memory champions who can memorize pi to a large degree or other long strings of numbers,” LePort noted.

Some studies have found that hyperthymesiacs might have variations in the syndromw of their brainswhile others argue that it might have behavioral components.