1. Plural of amnesia; instances or types of loss of memory, either partial or total, caused by injury, illness, or psychological trauma.
Usage: Medical/psychological term; Countable noun when referring to multiple cases or types

Examples

• The accident caused several amnesias in the patient's memory of the event.
• Doctors studied different amnesias resulting from various types of brain injuries.
• Dissociative amnesias can occur as a response to severe psychological stress.
• The neurologist documented multiple amnesias in her research on memory disorders.
• Temporary amnesias following concussions are common in sports medicine.
• Some amnesias are reversible with proper treatment and therapy.