健忘症,記憶缺失
Amnesia \Am*ne"si*a\, n. [NL., fr. Gr. ?; 'a priv. + ? to remember.] (Med.) Forgetfulness; also, a defect of speech, from cerebral disease, in which the patient substitutes wrong words or names in the place of those he wishes to employ. --Quian.
amnesia n : partial or total loss of memory; "he has a total blackout for events of the evening" [syn: {memory loss}, {blackout}]