Hearing

ear is doorway for sound to come through, brain does the decoding, processing.   Peripheral hearing loss will impact how the brain process information.   听李损失会带来 4 psychacoutic impact: 1）听不见， 2） 听见了也听不清 （discrimination) 3） 耳鸣； 4) loudness distortion （reduced tolerance for sound);   所以要定期检查，  特别是有家族史的， 有noise exposure 历史的，开始出现耳鸣的， 助听器要早带，不要省钱， 等到听不见再带就太晚了。另外对大脑的锻炼： 听audiobook, reading, singing, learn new language, learn musical insturment, working memory games, healthy social etc.