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Motivated forgetting is a theorized psychological behavior in which people may forget unwanted memories, either consciously or unconsciously. [1] It is an example of a defence mechanism, since these are unconscious or conscious coping techniques used to reduce anxiety arising from unacceptable or potentially harmful impulses thus it can be a defence mechanism in some ways. [2]
A common symptom of PTA is confusion. The most prominent symptom of post-traumatic amnesia (PTA) is a loss of memory of the present time. [10] As a result, patients are often unaware of their condition and may behave as if they are going about their regular lives.
Loss of painful memories may actually end up causing more harm in some cases. Painful, frightening or even traumatic memories can serve to teach a person to avoid certain situations or experiences. By erasing those memories their adaptive function , to warn and protect individuals may be lost.
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.
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An episode of Arrested Development called Forget-Me-Now discusses the use of drug-induced amnesia for those who have seen how magicians' tricks are performed. In the PC Game Amnesia: The Dark Descent (2010), the player character, Daniel, wakes up with amnesia in the terrifying Castle Brennenburg, and must discover the truth about his memories.
In neurology, anterograde amnesia is the inability to create new memories after an event that caused amnesia, leading to a partial or complete inability to recall the recent past, while long-term memories from before the event remain intact.
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.).