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      當前位置:首頁 > 資訊信息 > 新聞動態 > 詳細信息
      人類智力已達巔峰 發展潛力接近耗竭
      來源:人類智力已達巔峰 發展潛力接近耗竭 | 作者: | 發布時間:2014-10-30 8:33:35

      人類文明正以前所未有的速度向前推進。然而,一項最新研究發現,隨著科技向智能化發展,人類變得越來越愚蠢。

      在英國、丹麥和澳大利亞進行的IQ測試表明,三國居民智商近10年內呈明顯下降趨勢。科學家對這一趨勢是否會持續下去看法不一,一些研究者認為人類的智力目前已到達巔峰。文/鄭佳文

      本報訊 據英國《每日郵報》報道,一項由丹麥政府主導、用于測定公民是否適合服兵役的IQ測試顯示,從1998年以來,丹麥人的平均IQ已下降了1.5分。此外,針對英國和澳大利亞的IQ測試也出現了類似的下降。這不由得讓科學家們憂心,科技越發達,人類越愚蠢。

      智商發展潛力接近耗竭

      這篇發表在《新科學家》上的研究報告稱,人類的IQ之所以越來越低,是因為人類早已在智力上達到巔峰。

      從上世紀30年代到80年代,美國人的平均IQ得分上升了3分,在戰后的日本和丹麥,IQ測試得分也顯著增加,這一趨勢被稱為“弗林效應”。“弗林效應”的形成要歸功于營養、居住條件和教育的改善。

      現在, 一些科學家認為,居住在發達國家的人已到達了“弗林效應”的終點,智商差異減少的同時甚至呈下降趨勢。包括詹姆斯·弗林在內的科學家們都認為,更好的教育可能扭轉了這個趨勢,指出已發現的下降趨勢可能僅僅是個信號。

      但其它科學家并不像弗林這樣樂觀,他們認為“弗林效應”可能掩蓋了導致智力下降的基因。越來越多的人把智商挖掘到了極致,因此智商發展的潛力已接近耗竭。

      阿爾斯特大學心理學家理查德·林恩發現,人類的遺傳潛力正在下降。通過比較1950年和2000年全世界的平均IQ,林恩發現,人類的智商已降低了1分。他預測,假如這個趨勢持續下去,到2050年,人類的IQ將再下降1.3分。

      比利時布魯塞爾自由大學的邁克爾·伍德利教授的研究也印證了人類智商的下降。伍德利發現,人類的反應速度相較維多利亞時代(1837年~1901年)降低了很多。這與人類的遺傳潛力的下降不無關系,先前的研究證明思維敏捷的人反應速度更快。他說,如果將人類反應時間的延長換算成智商的損失,那人類的IQ每十年至少下降1分。

      “問題”將被自行矯正?

      阿姆斯特丹大學心理學教授揚德的研究更為悲觀,他認為西方人的IQ從維多利亞時代到現在已下降了14分。他解釋,正是因為受過高等教育的人生的孩子數量越來越少,人類的后代大量來自不大聰明的人,整體智商才出現下降。

      盡管伍德利和其他科學家認為人類智商下降的趨勢將持續下去,但弗林認為,假如人類IQ已發展到“弗林效應”的終點,那么人類的智商水平將達到一個比較穩定的狀態。

      弗林還認為,即使人類變得越來越笨,更好的醫療條件和更發達的技術意味著大多數人會傾向于生育更少的孩子,這樣智商下降的“問題”也會自行被“糾正”。

      《世界復合醫學》

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