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Memory erasure has been shown to be possible in some experimental conditions; some of the techniques currently being investigated are: drug-induced amnesia, selective memory suppression, destruction of neurons, interruption of memory, reconsolidation, [1] and the disruption of specific molecular mechanisms.
The neurological cause of psychogenic amnesia is controversial. [5] [7] Even in cases of organic amnesia, where there is lesion or structural damage to the brain, caution must still be taken in defining causation, as only damage to areas of the brain crucial to memory processing is possible to result in memory impairment. [7]
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:
Lacunar amnesia is the loss of memory about a specific event. This specific form of amnesia is caused by brain damage in the limbic system which is responsible for our memories and emotions. When the damage occurs it leaves a lacuna, or a gap, in the record of memory within the cortex region of the brain. There is a general belief that certain ...
Selective amnesia is a type of amnesia in which the sufferer loses only certain parts of their memory. Common elements that may be forgotten are relationships, where they live, and certain special abilities and talents (e.g., juggling, whistling, instrumental talents, etc.).
Autobiographical amnesia may be caused by repeated seizures in the temporal lobe resulting in the progressive "erasure" of memories. [2] Alternatively, autobiographical memory loss may result from subtle changes in the temporal lobe which gives rise to temporal lobe epilepsy and to memory problems.
Kent Cochrane (August 5, 1951 – March 27, 2014 [1]), also known as Patient K.C., was a widely studied Canadian memory disorder patient who has been used as a case study in over 20 neuropsychology papers over the span of 25 years.
Unethical amnesia is the tendency to forget the dishonest actions we commit, or to remember them in a blurred or very limited way. While we remember the immoral actions of others with precision, we tend to remember our own similar actions less easily. [ 1 ]