Amnesia

Alyssa Vanecek- period 4

Definition:

Partial or total loss of memory due to physical and/or psychological conditions

Causes:

  • Stroke, injury to the brain, surgery
  • alcoholism
  • Encephalitis (acute infection and inflammation of the brain)
  • Alzheimers

Symptoms:

  • Inability to retain new information (starting from the accident)
  • May lose ability to recall parts of the past (before accident)
  • May lose ability to make memories

Background:

Amnesia was discovered by Theodule- Armand Ribot and Sergey Korsakoff in the late 19th century.



**Theodule- Armand Ribot is pictured to the right.

Age/Gender Specific:

Amnesia is not age/gender specific. It can only result from head trauma, various diseases, or psychological or emotional trauma.

Treatments/Medications

  • Memory therapy (helps people relearn the ability to remember)
  • Psychological interventions (hypnosis, careful interrogation)
  • Drugs that affect levels of neurotransmitters (Acetylcholine, Aspartate, Glutamate, norepinephrine, and Serotonin)
0:49- 2:06
Dory's Dianosis: Dissociative amnesia
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More:

There are 2 main types of Amnesia

  • Anterograde Amnesia- ability to memorize new things is impaired or lost because data does not transfer successfully from short- term memory into long- term memory
  • Retrograde Amnesia- a person's pre-existing memories are lost to conscious recollection