{"id":13862,"date":"2021-11-27T13:43:59","date_gmt":"2021-11-27T06:43:59","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=13862"},"modified":"2021-11-27T13:44:00","modified_gmt":"2021-11-27T06:44:00","slug":"tai-ta-hoat-dong-nhu-the-nao","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/tai-ta-hoat-dong-nhu-the-nao\/","title":{"rendered":"Tai ta ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 2 &#8211; Arkady Leokum<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tai l\u00e0 m\u1ed9t trong nh\u1eefng d\u1ee5ng c\u1ee5 k\u1ef3 di\u1ec7u nh\u1ea5t c\u1ee7a c\u01a1 th\u1ec3. N\u00f3 c\u00f3 th\u1ec3 b\u1eaft \u0111\u01b0\u1ee3c t\u1eeb ti\u1ebfng t\u00edch t\u1eafc nh\u1ecf x\u00edu c\u1ee7a c\u00e1i \u0111\u1ed3ng h\u1ed3 \u0111eo tay r\u1ed3i ngay sau \u0111\u00f3 \u201cch\u1ecbu\u201d \u0111\u01b0\u1ee3c m\u1ed9t ti\u1ebfng n\u1ed5 \u1ea7m rung chuy\u1ec3n nh\u00e0 c\u1eeda.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u1ea4y v\u1eady m\u00e0 kh\u00f4ng ph\u1ea3i h\u1ec5 c\u1ee9 c\u00f3 tai l\u00e0 nghe \u0111\u01b0\u1ee3c \u0111\u00e2u. N\u00f3i c\u00e1ch kh\u00e1c tai kh\u00f4ng ph\u1ea3i l\u00e0 th\u1ee9 duy nh\u1ea5t ta c\u1ea7n ph\u1ea3i c\u00f3 th\u00ec m\u1edbi nghe \u0111\u01b0\u1ee3c. Qu\u00e1 tr\u00ecnh nghe b\u1eaft \u0111\u1ea7u t\u1eeb ch\u1ed7 c\u00f3 \u00e2m \u0111\u00e3 ch\u1ee9. Kh\u00f4ng c\u00f3 \u00e2m l\u1ea5y g\u00ec nghe. Nh\u01b0ng c\u00f3 \u00e2m m\u00e0 kh\u00f4ng c\u00f3 m\u00f4i tr\u01b0\u1eddng truy\u1ec1n \u00e2m th\u00ec c\u0169ng \u201c\u0111i\u1ebfc\u201d lu\u00f4n. S\u00f3ng kh\u00f4ng kh\u00ed m\u00e0 ta g\u1ecdi l\u00e0 s\u00f3ng \u00e2m \u201c\u0111\u1eadp\u201d v\u00e0o m\u00e0ng nh\u0129. Ta kh\u00f4ng nh\u00ecn m\u00e0 c\u0169ng kh\u00f4ng c\u1ea3m th\u1ea5y s\u00f3ng \u00e2m. Nh\u01b0ng l\u1ed7 tai th\u00ednh c\u00f3 th\u1ec3 b\u1eaft \u0111\u01b0\u1ee3c nh\u1eefng s\u00f3ng \u00e2m r\u1ea5t y\u1ebfu v\u00e0 truy\u1ec1n n\u00f3 l\u00ean n\u00e3o b\u1ed9, ch\u1ec9 khi n\u00e0o s\u00f3ng \u00e2m \u0111\u1ebfn \u0111\u01b0\u1ee3c n\u00e3o b\u1ed9 th\u00ec l\u00fac \u0111\u00f3 ta m\u1edbi nghe \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tai g\u1ed3m c\u00f3 ba ph\u1ea7n: tai ngo\u00e0i, tai gi\u1eefa v\u00e0 tai trong. M\u1ed9t v\u00e0i lo\u00e0i v\u1eadt c\u00f3 tai ngo\u00e0i l\u1edbn, c\u00f3 th\u1ec3 c\u1eed \u0111\u1ed9ng v\u1ec3nh l\u00ean, c\u00fap xu\u1ed1ng \u0111\u1ec3 \u201ch\u1ee9ng l\u1ea5y\u201d s\u00f3ng \u00e2m d\u1ec5 d\u00e0ng h\u01a1n. Ta kh\u00f4ng th\u1ec3 v\u1eaby tai \u0111\u01b0\u1ee3c cho n\u00ean c\u00e1i tai ngo\u00e0i c\u1ee7a ta ch\u1eb3ng gi\u00fap g\u00ec nhi\u1ec1u cho vi\u1ec7c nghe c\u1ee7a ta.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Khi tai ngo\u00e0i \u0111\u00e3 h\u1ee9ng \u0111\u01b0\u1ee3c \u00e2m v\u00e0 \u201cb\u1eaft\u201d n\u00f3 v\u00e0o trong th\u00ec \u00e2m \u0111i v\u00e0o m\u1ed9t c\u00e1i \u201ck\u00eanh\u201d hay l\u00e0 \u1ed1ng th\u00edch gi\u00e1c, \u1edf cu\u1ed1i \u1ed1ng c\u00f3 m\u1ed9t m\u00e0ng m\u1ecfng ch\u1eafn ngang gi\u1eef vai tr\u00f2 c\u1ee7a c\u00e1i m\u1eb7t tr\u1ed1ng. Tai gi\u1eefa n\u1eb1m ch\u1eb7n gi\u1eefa tai ngo\u00e0i v\u00e0 m\u00e0ng m\u1ecfng. Ph\u00eda sau m\u00e0ng m\u1ecfng c\u00f3 m\u1ed9t c\u00e1i \u1ed1ng g\u1ecdi l\u00e0 \u201cv\u00f2i Eustache\u201d d\u1eabn sang h\u1ed1c m\u0169i v\u00e0 cu\u1ed1ng h\u1ecdng. \u201cV\u00f2i Eustache\u201d qu\u00e2n b\u00ecnh \u00e1p su\u1ea5t ngh\u0129a l\u00e0 gi\u1eef cho m\u00e0ng nh\u0129 kh\u00f4ng b\u1ecb l\u1ee7ng v\u00ec \u00e1p su\u1ea5t g\u00e2y n\u00ean b\u1edfi ti\u1ebfng \u0111\u1ed9ng t\u1eeb ph\u00eda ngo\u00e0i \u0111\u00e8 l\u00ean ph\u00eda ngo\u00e0i c\u1ee7a m\u00e0ng nh\u0129. Nh\u01b0ng ti\u1ebfng \u0111\u1ed9ng qu\u00e1 m\u1ea1nh, t\u1ee9c l\u00e0 tr\u01b0\u01a1ng m\u1ed9t \u00e1p su\u1ea5t qu\u00e1 l\u1edbn l\u00ean ph\u00eda b\u00ean ngo\u00e0i c\u1ee7a m\u00e0ng nh\u0129 m\u00e0 kh\u00f4ng kh\u00ed trong v\u00f2i Eustache kh\u00f4ng \u0111\u1ee7 \u0111\u1ec3 tr\u01b0\u01a1ng ra m\u1ed9t \u00e1p su\u1ea5t ngh\u1ecbch chi\u1ec1u t\u1eeb ph\u00eda trong m\u00e0ng nh\u0129 th\u00ec m\u00e0ng nh\u0129 s\u1ebd b\u1ecb l\u1ee7ng. N\u00f3i v\u1eafn g\u1ecdn th\u00ec \u00e2m thanh qu\u00e1 m\u1ea1nh c\u00f3 th\u1ec3 l\u00e0m l\u1ee7ng m\u00e0ng nh\u0129.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ngay sau ph\u00eda m\u00e0ng nh\u0129 \u1edf tai gi\u1eefa l\u00e0 ba c\u1ee5c x\u01b0\u01a1ng nh\u1ecf x\u00edu c\u00f3 c\u00e1i t\u00ean l\u00e0 c\u00e1i b\u00faa, c\u00e1i \u0111e v\u00e0 c\u00e1i b\u00e0n \u0111\u1ea1p. T\u1ea5t c\u1ea3 c\u00e1c x\u01b0\u01a1ng \u0111\u1ec1u v\u1eeba ch\u1ea1m v\u00e0o m\u00e0ng nh\u0129 v\u1eeba ch\u1ea1m v\u00e0o tai trong. Khi s\u00f3ng \u00e2m \u0111\u1eadp v\u00e0o m\u00e0ng nh\u0129 l\u00e0m cho c\u1ea3 ba c\u00e1i x\u01b0\u01a1ng n\u00e0y rung l\u00ean theo v\u00e0 l\u00e0m cho ch\u1ea5t l\u1ecfng ch\u1ee9a \u1edf tai trong c\u00f3 h\u00ecnh con \u1ed1c g\u1ecdi l\u00e0 \u201coa qu\u1ea3n\u201d (cochlea) l\u00e0 nh\u1eefng t\u1ebf b\u00e0o nh\u1ecf x\u00edu c\u00f3 nhi\u1ec7m v\u1ee5 chuy\u1ec3n \u00e2m thanh \u0111\u1ebfn d\u00e2y th\u1ea7n kinh. Nh\u1eefng d\u00e2y th\u1ea7n kinh n\u00e0y l\u1ea1i chuy\u1ec3n l\u00ean \u00f3c. Khi \u00f3c \u201cnh\u1eadn ra\u201d \u00e2m \u0111\u00f3 th\u00ec l\u00fac \u0111\u00f3 ta m\u1edbi \u201cnghe\u201d th\u1ea5y.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u1ede tai trong c\u0169ng c\u00f3 ba \u1ed1ng b\u00e1n khuy\u00ean ch\u1eb3ng c\u00f3 \u0103n nh\u1eb1m g\u00ec \u0111\u1ebfn vi\u1ec7c nghe c\u1ea3. Ch\u00fang c\u0169ng ch\u1ee9a \u0111\u1ea7y ch\u1ea5t d\u1ecbch (l\u1ecfng) c\u00f3 nhi\u1ec7m v\u1ee5 gi\u1eef th\u0103ng b\u1eb1ng cho c\u01a1 th\u1ec3. N\u1ebfu b\u1ed9 ph\u1eadn n\u00e0y b\u1ecb h\u01b0, ta s\u1ebd l\u1eafc l\u01b0, l\u1ea3o \u0111\u1ea3o, ch\u00f3ng m\u1eb7t, \u0111i \u0111\u1ee9ng chu\u1ec7ch cho\u1ea1c.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 2 &#8211; Arkady Leokum Tai l\u00e0 m\u1ed9t trong nh\u1eefng d\u1ee5ng c\u1ee5 k\u1ef3 di\u1ec7u nh\u1ea5t c\u1ee7a c\u01a1 th\u1ec3. N\u00f3 c\u00f3 th\u1ec3 b\u1eaft \u0111\u01b0\u1ee3c t\u1eeb ti\u1ebfng t\u00edch t\u1eafc nh\u1ecf x\u00edu c\u1ee7a c\u00e1i \u0111\u1ed3ng h\u1ed3 \u0111eo tay r\u1ed3i ngay sau \u0111\u00f3 \u201cch\u1ecbu\u201d \u0111\u01b0\u1ee3c m\u1ed9t ti\u1ebfng n\u1ed5 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[15],"tags":[],"class_list":["post-13862","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/13862","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=13862"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/13862\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=13862"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=13862"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=13862"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}