Dissociative amnesia

Introduction Separate forgetting shows serious forgetting on the one hand, and the ability to engage in complex activities on the other hand, taking care of themselves in an orderly manner. There is a clear contradiction and separation between the forgetting of the patient and the knowledge ability that it shows. Therefore, the name is separated and forgotten. The incidence of segregated forgetting is unclear, but it occurs most often in early adulthood, especially those with traumatic experiences. Many reported patients have forgotten sexual abuse in childhood, and these experiences have been recalled in adulthood. Although the forgotten traumatic experience returns to memory in a future treatment due to an event and a certain situation, there is much controversy about the accuracy of these memories, and there is no conclusion yet.

Cause

Some people are forgotten because of damage to the cerebral cortex, and some people are mentally forgotten due to psychological factors.

an examination

Related inspection

Neurological examination of brain CT examination

There is a clear contradiction and separation between the forgetting that the patient has experienced and the knowledge he has shown.

Differential diagnosis

1 antegrade forgetting

This is the loss of experience and memory after the onset of the disease, and cannot recall the experience of a period of time after the loss of memory. Some people think that for antegrade forgotten patients, there is a good short-term memory and long-term memory storage system, but lacks the ability to convert short-term memory into long-term memory.

2 retrograde forgetting

This is the loss of experience and memory before the onset of the disease, and cannot recall the experience of the period before the loss. These symptoms often occur in patients after craniocerebral trauma.

3 selective forgetting

Forgotten content is highly selected to meet the needs of special feelings. For example, completely forgetting the passage of a major event, so that it denies the fact that it happened.

4 Separation forgetting

On the one hand, it shows serious forgetting, on the other hand, it shows the ability to engage in various complex activities, and take care of itself in an orderly manner. There is a clear contradiction and separation between the forgetting of the patient and the knowledge ability that it shows. Therefore, the name is separated and forgotten.

5 boundary forgetting

Clear events and experiences at a certain stage of the past life cannot be recalled at all. Most of the forgotten experiences are related to strong anger, fear, humiliation and other situations. The events at this stage are usually those patients who are unwilling to recall or unwilling to talk about. Generally speaking, such forgetting is psychogenic and may also result from traumatic brain injury.

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