All about amnesia  types of amnesia anterograde amnesia retrograde amnesia dissociative amnesia infantile amnesia causes of amnesia symptoms of amnesia diagnosis of amnesia treatment for amnesia prevention of amnesia |
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What's retrograde amnesia?
Retrograde amnesia is a form of amnesia where someone will be unable to recall events that occurred before the onset of amnesia. The term is used to categorise patterns of symptoms, rather than to indicate a particular cause or etiology. Both retrograde amnesia and anterograde amnesia can occur together in the same patient, and commonly result from damage to the brain regions most closely associated with episodic/declarative memory: the medial temporal lobes and especially the hippocampus. Retrograde amnesia is also usually caused by brain injury or disease. In this condition, individuals have trouble remembering events in their life that occurred prior to the brain injury. These people do not lose all their memories. Usually, the memory loss is worst for events just before the injury; events from long ago are more likely to be safe. For example, if a man developed retrograde amnesia in middle age, he might have excellent memory for his childhood, nearly complete memories of young adulthood, and progressively less memory for the years leading up to his brain injury. There have been reports of persons with memory disorders being unable to remember that they are married, if the marriage took place shortly before the brain injury that caused the amnesia. Currently, there is no known way to restore memories which have been lost through retrograde amnesia. |
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More information on amnesia
What is amnesia? - Amnesia is a profound memory loss which is usually caused either by physical injury to the brain or by the ingestion of a toxic substance which affects the brain.
What types of amnesia are there? - Types of amnesia inclue anterograde amnesia, retrograde amnesia, transient global amnesia, traumatic amnesia, wernike-Korsakoff's psychosis.
What is anterograde amnesia? - Anterograde amnesia is a form of amnesia where new events are not transferred to long-term memory. Anterograde amnesia is a deficit in learning subsequent to the onset of the disorder.
What's retrograde amnesia? - Retrograde amnesia is a form of amnesia where someone will be unable to recall events that occurred before the onset of amnesia.
What is dissociative amnesia? - Dissociative amnesia is characterized by a blocking out of critical personal information, usually of a traumatic or stressful nature.
What is infantile amnesia? - Infantile/childhood amnesia refers to a person's inability to recall events from early childhood. Infantile amnesia could be linked to language development.
What causes amnesia? - Amnesia has several root causes. Amnesia is usually caused either by physical injury to the brain or by the ingestion of a toxic substance which affects the brain.
What're the symptoms of amnesia? - People with amnesia have difficulty learning new information, and they have difficulty recalling previously learned information.
How is amnesia diagnosed? - In diagnosing amnesia and its cause, psychological exams may be ordered to determine the extent of amnesia and the memory system affected.
What is the treatment for amnesia? - Treatment of amnesia depends on the root cause of amnesia and is handled on an individual basis. Psychotherapy can be helpful for amnesia caused by emotional trauma.
How to prevent amnesia? - Amnesia is only preventable in so far as brain injury can be prevented or minimized. Brain infections should be treated swiftly and aggressively. |
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