Disorders of Memory Flashcards
Disorders of Memory
- Registration
- Retention
- Recall & Recognition
Memory Disturbance
Amnesia, Paramnesia, Hypermnisia
For recent events, for remote events, circumscribed
Amnesia
Confabulation, falsification, Deja vu, jamis vu
Paramnesia
Types of Amnesia
Anterograde amnesia
Retrograde amnesia
Total amnesia
Circumscribed amnesia
when there is loss of memory for recent events.
Anterograde amnesia
when there is loss of memory for remote events.
Retrograde amnesia
when there is loss of memory for all events, recent and Remote.
Total amnesia
when there is loss of memory for a limited time (amnesic gap)
Circumscribed amnesia
when the patient fills the gaps in his memory by fabrication i.e. by giving im aginary accounts of his activities (Thus a bed ridden patient will describe a walk which he asserts he has just taken)
Confabulation
It usually occurs in organic diseases Korsakov’s syndrome which is typically seen in alcoholism).
Confabulation
when the patient adds false details and meanings to a true memory.
Falsification (illusion of memory)
It occurs in organic and psychiatric diseases (e.g. paranoid states).
Falsification (illusion of memory)
excessive memory
the patient mentions even small unnecessary details.
Hypermnesia
It is present in:
1- some normal people (geniuses)
2- some mental disorders (hypomania and paranoia).
Hypermnesia