{"id":12468,"date":"2011-06-21T03:26:35","date_gmt":"2011-06-21T03:26:35","guid":{"rendered":"https:\/\/chanhkien.org\/?p=12468"},"modified":"2025-05-12T10:27:39","modified_gmt":"2025-05-12T03:27:39","slug":"vi-sao-nguoi-ta-nhin-ma-khong-thay","status":"publish","type":"post","link":"https:\/\/chanhkien.org\/2011\/06\/vi-sao-nguoi-ta-nhin-ma-khong-thay.html","title":{"rendered":"V\u00ec sao ng\u01b0\u1eddi ta \u201cnh\u00ecn m\u00e0 kh\u00f4ng th\u1ea5y\u201d?"},"content":{"rendered":"<p><strong>[ChanhKien.org]<\/strong><\/p>\n<p><a href=\"https:\/\/chanhkien.org\/wp-content\/uploads\/2023\/04\/45A733F3-9557-425B-98A6-4FCEFB7A5D55.png\"><img decoding=\"async\" class=\"aligncenter wp-image-29845 size-large\" src=\"https:\/\/chanhkien.org\/wp-content\/uploads\/2023\/04\/45A733F3-9557-425B-98A6-4FCEFB7A5D55-819x1024.png\" alt=\"\" width=\"819\" height=\"1024\" srcset=\"https:\/\/chanhkien.org\/wp-content\/uploads\/2023\/04\/45A733F3-9557-425B-98A6-4FCEFB7A5D55-819x1024.png 819w, https:\/\/chanhkien.org\/wp-content\/uploads\/2023\/04\/45A733F3-9557-425B-98A6-4FCEFB7A5D55-240x300.png 240w, https:\/\/chanhkien.org\/wp-content\/uploads\/2023\/04\/45A733F3-9557-425B-98A6-4FCEFB7A5D55-768x960.png 768w, https:\/\/chanhkien.org\/wp-content\/uploads\/2023\/04\/45A733F3-9557-425B-98A6-4FCEFB7A5D55.png 1360w\" sizes=\"(max-width: 819px) 100vw, 819px\" \/><\/a><\/p>\n<p>B\u1ea1n c\u00f3 th\u1ec3 ng\u1ea1c nhi\u00ean khi nghe n\u00f3i r\u1eb1ng ch\u00fang ta ch\u00ednh l\u00e0 nh\u1eefng t\u00f9 nh\u00e2n c\u1ee7a b\u1ed9 n\u00e3o. B\u1ed9 n\u00e3o n\u1eb1m d\u01b0\u1edbi s\u1ef1 ki\u1ec3m so\u00e1t c\u1ee7a ch\u00fang ta. L\u00e0m sao ch\u00fang ta c\u00f3 th\u1ec3 l\u00e0 t\u00f9 nh\u00e2n c\u1ee7a ch\u00ednh b\u1ed9 n\u00e3o ch\u00fang ta \u0111\u01b0\u1ee3c? Th\u1ebf nh\u01b0ng, c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 ph\u00e1t hi\u1ec7n \u0111\u00e2y ch\u00ednh l\u00e0 s\u1ef1 th\u1eadt. M\u1ed9t nh\u00f3m c\u00e1c nh\u00e0 khoa h\u1ecdc thu\u1ed9c Vi\u1ec7n M\u1eaft Smith-Kettlewell t\u1ea1i San Francisco \u0111\u00e3 kh\u00e1m ph\u00e1 ra r\u1eb1ng ch\u00fang ta ch\u1ec9 nh\u00ecn th\u1ea5y nh\u1eefng g\u00ec m\u00e0 b\u1ed9 n\u00e3o cho ph\u00e9p ch\u00fang ta th\u1ea5y. Con ng\u01b0\u1eddi ta th\u01b0\u1eddng \u201cnh\u00ecn m\u00e0 kh\u00f4ng th\u1ea5y\u201d, th\u1eadm ch\u00ed ngay c\u1ea3 nh\u1eefng v\u1eadt th\u1ec3 \u1edf trong th\u1ecb tr\u01b0\u1eddng c\u1ee7a ch\u00fang ta.<\/p>\n<p>Theo b\u00e1o c\u00e1o trong t\u1ea1p ch\u00ed <em>Nature<\/em>, s\u1ed1 414, nh\u1eefng ng\u01b0\u1eddi tham gia nghi\u00ean c\u1ee9u \u0111\u01b0\u1ee3c cho xem m\u1ed9t s\u1ed1 \u0111i\u1ec3m xanh xoay tr\u00f2n tr\u00ean n\u1ec1n l\u00e0 nh\u1eefng \u0111i\u1ec3m v\u00e0ng b\u1ea5t \u0111\u1ed9ng. Tuy nhi\u00ean, t\u1ea5t c\u1ea3 nh\u1eefng \u0111i\u1ec3m v\u00e0ng \u0111\u1ec1u \u201cbi\u1ebfn m\u1ea5t\u201d trong m\u1eaft nh\u1eefng ng\u01b0\u1eddi tham gia. Nh\u1eefng \u0111i\u1ec3m v\u00e0ng n\u00e0y bi\u1ebfn m\u1ea5t kh\u00f4ng ph\u1ea3i b\u1edfi m\u00e1y t\u00ednh, m\u00e0 b\u1edfi ch\u00ednh b\u1ed9 n\u00e3o c\u1ee7a nh\u1eefng ng\u01b0\u1eddi \u1ea5y. Nh\u1eefng \u0111i\u1ec3m v\u00e0ng v\u1eabn hi\u1ec3n th\u1ecb tr\u00ean m\u00e0n h\u00ecnh, nh\u01b0ng ng\u01b0\u1eddi ta \u0111\u01a1n gi\u1ea3n l\u00e0 kh\u00f4ng th\u1ea5y ch\u00fang. B\u00e0i vi\u1ebft \u0111\u1ec1 xu\u1ea5t r\u1eb1ng b\u1ed9 n\u00e3o ch\u00fang ta n\u1eafm gi\u1eef c\u00e1c quan ni\u1ec7m v\u1ec1 th\u1ebf gi\u1edbi l\u00e0 nh\u01b0 th\u1ebf n\u00e0o. D\u1ef1a tr\u00ean c\u00e1c quan ni\u1ec7m n\u00e0y, b\u1ed9 n\u00e3o s\u1ebd x\u00e1c \u0111\u1ecbnh \u0111i\u1ec1u g\u00ec n\u00ean th\u1ea5y v\u00e0 \u0111i\u1ec1u g\u00ec kh\u00f4ng n\u00ean th\u1ea5y. Trong th\u00ed nghi\u1ec7m n\u00e0y, nh\u1eefng ng\u01b0\u1eddi tham gia \u0111\u01b0\u1ee3c cho xem c\u00e1c \u0111i\u1ec3m xanh xoay tr\u00f2n gi\u1eefa c\u00e1c \u0111i\u1ec3m v\u00e0ng b\u1ea5t \u0111\u1ed9ng, nh\u01b0ng b\u1ed9 n\u00e3o kh\u00f4ng cho ph\u00e9p h\u1ecd nh\u00ecn th\u1ea5y nh\u1eefng \u0111i\u1ec3m xanh. Hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y g\u1ecdi l\u00e0 \u201cv\u1eadn \u0111\u1ed9ng d\u1eabn t\u1edbi m\u00f9\u201d.<\/p>\n<p>C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u tin r\u1eb1ng \u0111i\u1ec1u n\u00e0y th\u01b0\u1eddng x\u1ea3y ra trong cu\u1ed9c s\u1ed1ng h\u00e0ng ng\u00e0y, nh\u01b0ng ch\u00fang ta \u0111\u01a1n gi\u1ea3n l\u00e0 kh\u00f4ng nh\u1eadn ra. L\u1ea5y v\u00ed d\u1ee5, khi l\u00e1i xe tr\u00ean m\u1ed9t \u0111\u01b0\u1eddng cao t\u1ed1c v\u1edbi nhi\u1ec1u \u00e1nh \u0111\u00e8n giao th\u00f4ng, ng\u01b0\u1eddi t\u00e0i x\u1ebf th\u01b0\u1eddng b\u1ecf qua nh\u1eefng \u00e1nh \u0111\u00e8n chi\u1ebfu h\u1eadu c\u1ee7a nh\u1eefng chi\u1ebfc xe \u0111\u1ed7 b\u00ean \u0111\u01b0\u1eddng.<\/p>\n<p>Ch\u00fang ta \u0111\u1ec1u tin r\u1eb1ng \u0111i\u1ec1u m\u00e0 ch\u00fang ta c\u1ea3m nh\u1eadn \u0111\u01b0\u1ee3c t\u1eeb c\u00e1c gi\u00e1c quan l\u00e0 ch\u00e2n th\u1ef1c. Ch\u00fang ta ch\u1ea5p nh\u1eadn r\u1eb1ng \u0111i\u1ec1u m\u00e0 b\u1ed9 n\u00e3o nh\u1eadn th\u1ee9c \u0111\u01b0\u1ee3c t\u1eeb c\u00e1c gi\u00e1c quan c\u1ee7a ch\u00fang ta l\u00e0 ch\u00e2n th\u1ef1c. T\u1eeb nghi\u00ean c\u1ee9u n\u00e0y, ch\u00fang ta bi\u1ebft r\u1eb1ng quan ni\u1ec7m n\u00e0y l\u00e0 kh\u00f4ng \u0111\u00fang. Ch\u00ednh b\u1ed9 n\u00e3o ch\u00fang ta x\u00e1c \u0111\u1ecbnh c\u00e1i g\u00ec n\u00ean th\u1ea5y v\u00e0 c\u00e1i g\u00ec kh\u00f4ng n\u00ean th\u1ea5y. V\u00e0 r\u1ed3i \u0111i\u1ec1u g\u00ec x\u00e1c \u0111\u1ecbnh c\u00e1i m\u00e0 b\u1ed9 n\u00e3o ch\u00fang ta \u201cth\u1ea5y\u201d? \u0110i\u1ec1u g\u00ec quy\u1ebft \u0111\u1ecbnh c\u00e1ch b\u1ed9 n\u00e3o ch\u00fang ta nh\u1eadn th\u1ee9c th\u1ebf gi\u1edbi n\u00e0y?<\/p>\n<p>Th\u1ef1c ra, \u0111i\u1ec1u m\u00e0 con m\u1eaft ch\u00fang ta nh\u00ecn th\u1ea5y \u0111\u01b0\u1ee3c l\u00e0 r\u1ea5t h\u1ea1n ch\u1ebf. Con m\u1eaft ch\u00fang ta ch\u1ec9 c\u00f3 th\u1ec3 c\u1ea3m nh\u1eadn \u0111\u01b0\u1ee3c \u00e1nh s\u00e1ng nh\u00ecn th\u1ea5y v\u1edbi b\u01b0\u1edbc s\u00f3ng t\u1eeb 312 nm \u0111\u1ebfn 1.050 nm. \u1ede m\u1ee9c ho\u00e0nh quan v\u00e0 vi quan h\u01a1n, t\u1ea5t c\u1ea3 nh\u1eefng g\u00ec ch\u00fang ta c\u00f3 th\u1ec3 th\u1ea5y ch\u1ec9 l\u00e0 m\u1ed9t ph\u1ea7n r\u1ea5t nh\u1ecf c\u1ee7a v\u0169 tr\u1ee5, v\u00e0 c\u00e1c v\u1eadt th\u1ec3 \u0111i v\u00e0o t\u1ea7m nh\u00ecn ch\u00fang ta ch\u1ec9 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ea5y sau khi ph\u1ea3n \u00e1nh \u0111\u1ebfn b\u1ed9 n\u00e3o. Kh\u1ea3 n\u0103ng nh\u1eadn th\u1ee9c c\u1ee7a ch\u00fang ta b\u1ecb h\u1ea1n ch\u1ebf b\u1edfi s\u1ef1 gi\u1edbi h\u1ea1n c\u1ee7a c\u00e1c gi\u00e1c quan. M\u1ed9t b\u00e0i b\u00e1o xu\u1ea5t b\u1ea3n ng\u00e0y 17\/5\/2002 tr\u00ean t\u1ea1p ch\u00ed khoa h\u1ecdc <em>Science <\/em>n\u00f3i r\u1eb1ng m\u1ed9t \u0111\u1ee9a tr\u1ebb 6 th\u00e1ng tu\u1ed5i c\u00f3 kh\u1ea3 n\u0103ng l\u1edbn h\u01a1n m\u1ed9t \u0111\u1ee9a tr\u1ebb 9 th\u00e1ng tu\u1ed5i khi ph\u00e2n bi\u1ec7t c\u00e1c khu\u00f4n m\u1eb7t ng\u01b0\u1eddi v\u00e0 \u0111\u1ed9ng v\u1eadt. C\u00f2n g\u00ec n\u1eefa? M\u1ed9t \u0111\u1ee9a tr\u1ebb 6 th\u00e1ng tu\u1ed5i c\u00f3 th\u1ec3 ph\u00e2n bi\u1ec7t c\u00e1c ng\u00f4n ng\u1eef, trong khi m\u1ed9t \u0111\u1ee9a tr\u1ebb 9 th\u00e1ng tu\u1ed5i ch\u1ec9 c\u00f3 th\u1ec3 nh\u1eadn ra s\u1ef1 kh\u00e1c bi\u1ec7t trong ng\u00f4n ng\u1eef c\u1ee7a ch\u00ednh m\u00ecnh. Ch\u00fang ta \u0111\u1ec1u tin r\u1eb1ng kh\u1ea3 n\u0103ng c\u1ee7a ch\u00fang ta l\u00e0 b\u1eaft ngu\u1ed3n t\u1eeb s\u1ef1 gi\u00e1o d\u1ee5c sau khi sinh ra, nh\u01b0ng m\u1ed9t s\u1ed1 kh\u1ea3 n\u0103ng th\u1ef1c s\u1ef1 \u0111\u00e1ng kinh ng\u1ea1c l\u1ea1i m\u1ea5t d\u1ea7n sau khi sinh ra.<\/p>\n<p>Trong c\u1ea3 hai n\u1ec1n v\u0103n h\u00f3a \u0110\u00f4ng v\u00e0 T\u00e2y ph\u01b0\u01a1ng \u0111\u1ec1u c\u00f3 ghi ch\u00e9p l\u1ea1i v\u1ec1 nh\u1eefng kh\u1ea3 n\u0103ng th\u1ea7n k\u1ef3 c\u1ee7a con ng\u01b0\u1eddi. Ng\u00e0y nay, nh\u1eefng \u0111i\u1ec1u n\u00e0y \u0111\u01b0\u1ee3c coi l\u00e0 th\u1ea7n tho\u1ea1i. Tuy nhi\u00ean, ch\u00fang ta c\u00f3 th\u1ec3 t\u00ecm l\u1ea1i c\u00e1c n\u0103ng l\u1ef1c tho\u00e1i h\u00f3a c\u1ee7a con ng\u01b0\u1eddi, ch\u1eb3ng h\u1ea1n so s\u00e1nh kh\u1ea3 n\u0103ng c\u1ee7a m\u1ed9t \u0111\u1ee9a tr\u1ebb 6 th\u00e1ng tu\u1ed5i v\u1edbi m\u1ed9t \u0111\u1ee9a tr\u1ebb 9 th\u00e1ng tu\u1ed5i. B\u1edfi v\u00ec ch\u00fang ta \u0111\u1ec1u c\u00f3 m\u1ed9t \u0111\u00f4i m\u1eaft th\u1ecbt v\u00e0 b\u1ed9 n\u00e3o ch\u00fang ta x\u00e1c \u0111\u1ecbnh th\u1ebf gi\u1edbi l\u00e0 nh\u01b0 th\u1ebf n\u00e0o d\u1ef1a tr\u00ean c\u00e1c quan ni\u1ec7m, ch\u00fang ta kh\u00f4ng th\u1ec3 th\u1ea5y \u0111\u01b0\u1ee3c ch\u00e2n t\u01b0\u1edbng th\u1ef1c s\u1ef1 c\u1ee7a th\u1ebf gi\u1edbi n\u00e0y. Tr\u1edf v\u1ec1 v\u1edbi b\u1ea3n ng\u00e3 th\u1ef1c s\u1ef1 (<em>ph\u1ea3n b\u1ed5n quy ch\u00e2n<\/em>) ch\u00ednh l\u00e0 con \u0111\u01b0\u1eddng gi\u00fap ch\u00fang ta hi\u1ec3u \u0111\u01b0\u1ee3c nh\u1eefng b\u00ed \u1ea9n trong cu\u1ed9c s\u1ed1ng.<\/p>\n<p><strong><em>Tham kh\u1ea3o:<\/em><\/strong><\/p>\n<p>1. Bonneh, Y.S., Cooperman, A., and Sagi, D., \u201cMotion-induced Blindness in Normal Observers,\u201d <em>Nature<\/em>, # 411, 798 &#8211; 801, (2001)<\/p>\n<p>2. Pascalis, O., de Haan, M., and Nelson, C.A., \u201cIs Face Processing Species-specific During the First Year of Life?\u201d <em>Science<\/em>, 2002, 296 (5571), p. 1321-3.<\/p>\n<p>D\u1ecbch t\u1eeb:<\/p>\n<p><a title=\"http:\/\/www.zhengjian.org\/zj\/articles\/2002\/8\/23\/18251.html\" href=\"http:\/\/www.zhengjian.org\/zj\/articles\/2002\/8\/23\/18251.html\">http:\/\/www.zhengjian.org\/zj\/articles\/2002\/8\/23\/18251.html<\/a><br \/>\n<a href=\"http:\/\/pureinsight.org\/node\/225\">http:\/\/pureinsight.org\/node\/225<\/a><\/p>\n<p>\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>B\u1ea1n c\u00f3 th\u1ec3 ng\u1ea1c nhi\u00ean khi nghe n\u00f3i r\u1eb1ng ch\u00fang ta ch\u00ednh l\u00e0 nh\u1eefng t\u00f9 nh\u00e2n c\u1ee7a b\u1ed9 n\u00e3o.<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_sitemap_exclude":false,"_sitemap_priority":"","_sitemap_frequency":"","ngg_post_thumbnail":0,"footnotes":""},"categories":[80],"tags":[135],"class_list":["post-12468","post","type-post","status-publish","format-standard","hentry","category-khoa-hoc-khac","tag-tre-em"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>V\u00ec sao ng\u01b0\u1eddi ta \u201cnh\u00ecn m\u00e0 kh\u00f4ng th\u1ea5y\u201d? 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