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 [ 8 , 9 ]. It is concluded that S most likely had autistic disorder. Next, I reviewed the literature to determine whether the assumption that a superior memory may be the cause of autism symptoms would be acceptable or not. Finally, an alternative explanation regarding the possible relationship between superior memories and autism spectrum disorders is given by the mnesic imbalance theory, which posits that a faulty procedural memory is replaced, in some of its functions, by a relatively preserved declarative memory, resulting in all three diagnostic symptoms of autism [ 12 ].
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Hyperthymesia is a word derived from Greek work hyperthymesis meaning excessive remembering. Hyperthymesia is unusual mental state or unique neurological condition in which person memorizes vast number of life experiences that happened in past.
They even remember a small event happened in their life that a normal person can not memorize it. They have deep kind of memory as compared to a person having normal memory. This is often referred to as highly superior autobiographical memory HSAM. People with hyperthymesia are just like normal persons with only difference that they can recall even a minor events happened in their life as compared to person with normal memory. Some major sign and symptoms through which we may able to distinguish such persons are deep semantic memory, exceptional episodic memory, ability to recall minor events, exceptional capacity of memorizing, high reasoning capacity etc.
Traditional way to analyze or evaluate these symptoms in a person is just asking questions about minor events that happened in his or her life.
But clinically it is necessary to perform motor function tests to make it sure. There may be some symptoms not listed above.
If you have any concerns about a symptom, please consult your doctor. If you have any signs or symptoms listed above or have any questions, please consult with your doctor. It is always best to discuss with your doctor what is best for your situation.
At the moment, we do not have enough clinical data to find out exact mechanism that triggers hyperthymesia. However, various studies and laboratory findings reveals that person having hyperthymesia have enlarged temporal lobe and caudate nucleus. Temporal lobe is important part of brain because it contains various components that are regulating process of semantic memory and episodic memory.
The information provided is not a substitute for any medical advice. Scientists use brain imaging tests such as MRIs and electroencephalograms to diagnose and study memory in people with Hyperthymesia.
Tests are also done to help measure memory. One of the most common is the autobiographical memory test. In this cued recall test, participants receive positive and negative cue words to prompt a memory. When a memory comes to mind, specific emotional and contextual details are written down, counted, and scored. Another version of this test skips providing cues.
Participants receive minimal instructions. As with the cue-recalled test, details are written down, counted, and scored. If you are diagnosed with Hyperthymesia, your doctor will work with you to develop a management plan. Your doctor can advise you on coping mechanisms and answer any questions you may have. Hyperthymesia is neither pathological condition nor it is intense clinical emergency condition that requires prompt intervention.
Though, It is some kind of functional deviation from normal process but becoming a person that have super memory is not undesirable. 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.
Hyperthymesia can not be achieved through medical assistance or by doing something. But there are things you can do to improve your memory, such as:. If you have any questions, please consult with your doctor to better understand the best solution for you. Hello Health Group does not provide medical advice, diagnosis or treatment. It's very helpful to build a better informative place for all if you could give us more details.
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Hyperthymesia hyperthymestic syndrome. In this article:. Definition What is Hyperthymesia hyperthymestic syndrome? How common is Hyperthymesia hyperthymestic syndrome? Please discuss with your doctor for further information. How useful is it?
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What Does It Mean to Have Hyperthymesia or Highly Superior Autobiographical Memory (HSAM)?
There are a number of forms of extraordinary memory. There is factual memory: Kim Peek has memorized over books. There is numeric memory: Daniel Tammet memorized Pi to 22, digits. There is eidetic-like, photographic memory: Stephen Wiltshire memorized Rome from the air after a minute helicopter ride over the city.
Hyperthymesia is a word derived from Greek work hyperthymesis meaning excessive remembering. Hyperthymesia is unusual mental state or unique neurological condition in which person memorizes vast number of life experiences that happened in past. They even remember a small event happened in their life that a normal person can not memorize it. They have deep kind of memory as compared to a person having normal memory.