Hearing

ear is doorway for sound to come through, brain does the decoding, processing.   Peripheral hearing loss will impact how the brain process information.   聽李損失會帶來 4 psychacoutic impact: 1）聽不見， 2） 聽見了也聽不清 （discrimination) 3） 耳鳴； 4) loudness distortion （reduced tolerance for sound);   所以要定期檢查，  特別是有家族史的， 有noise exposure 曆史的，開始出現耳鳴的， 助聽器要早帶，不要省錢， 等到聽不見再帶就太晚了。另外對大腦的鍛煉： 聽audiobook, reading, singing, learn new language, learn musical insturment, working memory games, healthy social etc.