我们在与人交谈时，为什么很难保持眼神接触？
<p>你是否在与人交谈时，很难看着对方的眼睛把话说下去？人们通常认为，讲话时避免眼神接触是怕尴尬或不自信的表现。然而，日本京都大学的科学家们给出了另一种科学解释。</p><p><span word="It">It</span> <span word="turns">turns</span> <span word="out">out</span> <span word="we">we</span>'<span word="re">re</span> <span word="not">not</span> <span word="just">just</span> <span word="awkward">awkward</span>, <span word="our">our</span> <span word="brains">brains</span> <span word="actually">actually</span> <span word="can">can</span>'<span word="t">t</span> <span word="handle">handle</span> <span word="the">the</span> <span word="tasks">tasks</span> <span word="of">of</span> <span word="thinking">thinking</span> <span word="of">of</span> <span word="the">the</span> <span word="right">right</span> <span word="words">words</span> <span word="and">and</span> <span word="focusing">focusing</span> <span word="on">on</span> <span word="a">a</span> <span word="face">face</span> <span word="at">at</span> <span word="the">the</span> <span word="same">same</span> <span word="time">time</span>.</p><p>事实上，我们并不只是尴尬，而是大脑无法同时兼顾“思考恰当词汇”和“眼神接触”的任务。</p><p><span word="The">The</span> <span word="effect">effect</span> <span word="becomes">becomes</span> <span word="more">more</span> <span word="noticeable">noticeable</span> <span word="when">when</span> <span word="someone">someone</span> <span word="is">is</span> <span word="trying">trying</span> <span word="to">to</span> <span word="come">come</span> <span word="up">up</span> <span word="with">with</span> <span word="less">less</span> <span word="familiar">familiar</span> <span word="words">words</span>, <span word="which">which</span> <span word="is">is</span> <span word="thought">thought</span> <span word="to">to</span> <span word="use">use</span> <span word="the">the</span> <span word="same">same</span> <span word="mental">mental</span> <span word="resources">resources</span> <span word="as">as</span> <span word="sustaining">sustaining</span> <span word="eye">eye</span> <span word="contact">contact</span>.</p><p>当人们努力搜索不太熟悉的词汇时，这个效应会更加明显。科学家认为，这两项任务占用同样的心理资源。</p>
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