AMNESIA

Inability to recall the past

CAUSES

Sometimes when the hippocampus is damaged

Also cerebrovascular accidents, stroke, head trauma, substances abuse, etc.

Physical or psychological trauma, Nutrient Deficiencies, Electroconvulsive Therapy, Clinical Features, Effect of Amnesia on Declarative Information,

episodic memory loss.

psychological causes

caused by any trauma or injury to the head.

anterograde amnesia, retrograde amnesia, or both

temporary or permanent

unable to recall events from their early childhood

due to the development of the brain at an early age

discrete and reversible loss of retrograde memory function

abnormalities in the hippocampal area, transient reduced cerebral blood flow, transient seizures, or migraine attacks

occurs in chronic alcoholics or malnutrited patients

presence of both anterograde and retrograde amnesia.

unable to recall events that occurred when under the influence of the drug

affects the ability to form new memories but not memories of the past.

CAUSES

Damage to the hippocampus can result in anterograde amnesia

Also a stroke, trauma, surgery, encephalitis, alcoholism, Wernicke-Korsakoff syndrome, anoxia to the brain, etc.

patients can learn how to take care of themselves and develop procedural memory.

Encoding

Storage

Recall

Declarative memory

Procedural memory

in epilepsy patients

response to some anti-epilepsy drugs

patients forget certain parts of their memory

often used for treatment purposes in psychiatry