猫和狗谁更聪明?
<p><span word="Ever">Ever</span> <span word="since">since</span> <span word="humanity">humanity</span> <span word="split">split</span> <span word="into">into</span> <span word="dog">dog</span> <span word="and">and</span> <span word="cat">cat</span> <span word="people">people</span>, <span word="we">we</span>'<span word="ve">ve</span> <span word="been">been</span> <span word="arguing">arguing</span> <span word="over">over</span> <span word="which">which</span> <span word="one">one</span> <span word="of">of</span> <span word="our">our</span> <span word="beloved">beloved</span> <span word="companions">companions</span> <span word="is">is</span> <span word="a">a</span> <span word="smarter">smarter</span> <span word="species">species</span>.</p><p>自从人类分裂为汪星人和喵星人，我们就一直在争论，在这两种备受喜爱的伙伴中，哪种更聪明。</p><p><span word="A">A</span> <span word="study">study</span> <span word="from">from</span> 2017 <span word="mightn">mightn</span>'<span word="t">t</span> <span word="be">be</span> <span word="the">the</span> <span word="last">last</span> <span word="word">word</span> <span word="on">on</span> <span word="the">the</span> <span word="matter">matter</span>, <span word="but">but</span> <span word="for">for</span> <span word="those">those</span> <span word="who">who</span> <span word="think">think</span> <span word="more">more</span> <span word="neurons">neurons</span> <span word="means">means</span> <span word="more">more</span> <span word="intelligence">intelligence</span>, <span word="it">it</span> <span word="looks">looks</span> <span word="as">as</span> <span word="if">if</span> <span word="dogs">dogs</span> <span word="stand">stand</span> <span word="out">out</span> <span word="among">among</span> <span word="carnivores">carnivores</span> <span word="for">for</span> <span word="having">having</span> <span word="a">a</span> <span word="remarkably">remarkably</span> <span word="dense">dense</span> <span word="cerebral">cerebral</span> <span word="cortex">cortex</span>.</p><p>2017年的一项研究可能无法给这件事下最终定论，但是对于那些认为神经元越多就越聪明的人来说，似乎在肉食动物中，狗出类拔萃，因为狗的大脑皮层神经元十分密集。</p><p><span word="An">An</span> <span word="international">international</span> <span word="team">team</span> <span word="of">of</span> <span word="researchers">researchers</span> <span word="analysed">analysed</span> <span word="the">the</span> <span word="wrinkled">wrinkled</span> <span word="outer">outer</span> <span word="layers">layers</span> <span word="of">of</span> <span word="the">the</span> <span word="brains">brains</span> <span word="of">of</span> <span word="a">a</span> <span word="variety">variety</span> <span word="of">of</span> <span word="carnivorous">carnivorous</span> <span word="animals">animals</span> - <span word="including">including</span> <span word="dogs">dogs</span> <span word="and">and</span> <span word="cats">cats</span> - <span word="to">to</span> <span word="determine">determine</span> <span word="whether">whether</span> <span word="the">the</span> <span word="demands">demands</span> <span word="of">of</span> <span word="hunting">hunting</span> <span word="prey">prey</span> <span word="mean">mean</span> <span word="a">a</span> <span word="higher">higher</span> <span word="count">count</span> <span word="of">of</span> <span word="cortical">cortical</span> <span word="neurons">neurons</span>, <span word="adding">adding</span> <span word="brain">brain</span> <span word="power">power</span> <span word="where">where</span> <span word="it">it</span> <span word="counts">counts</span>.</p><p>一个国际研究员小组分析了多种食肉动物的大脑褶皱外层，包括狗和猫，以此判断捕猎的需求是否意味着皮质神经元比例更高，增加有需要的地方的脑力。</p>
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