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In the case of drug-induced amnesia, it may be short-lived and patients can recover from it. In another case, which has been studied extensively since the early 1970s, patients often have permanent damage, although some recovery is possible, depending on the nature of the pathophysiology. Usually, some capacity for learning remains, although it ...
Presumably, shorter durations of PTA, which are now included in the definition, were not thought to be serious enough for documentation. Most importantly, he identified the amnesia that the patient experiences during this period of recovery, and recommended the use of "formal tests for memory and retention" to assess recovery. [46]
Amnesia is a deficit in memory caused by brain damage or brain diseases, [1] but it can also be temporarily caused by the use of various sedative and hypnotic drugs. The memory can be either wholly or partially lost due to the extent of damage that is caused. [2] There are two main types of amnesia:
In neurology, retrograde amnesia (RA) is the inability to access memories or information from before an injury or disease occurred. [1] RA differs from a similar condition called anterograde amnesia (AA), which is the inability to form new memories following injury or disease onset. [2]
Amnesia is often caused by an injury to the brain, for instance after a blow to the head, and sometimes by psychological trauma. Anterograde amnesia is a failure to remember new experiences that occur after damage to the brain; retrograde amnesia is the loss of memories of events that occurred before a trauma or injury.
Focal retrograde amnesia (FRA), sometimes known as functional amnesia, refers to the presence of retrograde amnesia while knowledge acquisition remains intact (no anterograde amnesia). Memory for how to use objects and perform skills ( implicit memory ) may remain intact while specific knowledge of personal events or previously learned facts ...
Recovered-memory therapy (RMT) is a catch-all term for a controversial and scientifically discredited form of psychotherapy that critics say utilizes one or more unproven therapeutic techniques (such as some forms of psychoanalysis, hypnosis, journaling, past life regression, guided imagery, and the use of sodium amytal interviews) to purportedly help patients recall previously forgotten memories.
Dissociative amnesia or psychogenic amnesia is a dissociative disorder "characterized by retrospectively reported memory gaps. These gaps involve an inability to recall personal information, usually of a traumatic or stressful nature."