Do animals have language? - Michele Bishop

2,337,054 views ・ 2015-09-10

TED-Ed


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譯者: Ming Gui Tan 審譯者: Yamei Huang
00:07
All animals communicate.
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每個動物都在溝通。
00:09
Crabs wave their claws at each other to signal that they're healthy
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螃蟹互相搖擺鉗子來表示牠們很健康
00:12
and ready to mate.
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準備好可以生育。
00:13
Cuttlefish use pigmented skin cells called chromatophores
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墨魚用帶有色素的皮膚細胞, 所謂的色素細胞
00:17
to create patterns on their skin that act as camouflage
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在皮膚上製造一些圖樣 來進行偽裝
00:21
or warnings to rivals.
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或者警告競爭者。
00:23
Honeybees perform complex dances
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蜜蜂利用複雜的舞蹈
00:25
to let other bees know the location and quality of a food source.
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來告訴夥伴們食物的地點 和品質。
00:31
All of these animals have impressive communication systems,
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這些動物都有一流的溝通系統,
00:34
but do they have language?
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但牠們有語言嗎?
00:37
To answer that question,
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要回答這個問題,
00:38
we can look at four specific qualities that are often associated with language:
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我們要先知道跟語言有密切關係的 四大特點:
00:43
discreteness,
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分立性、
00:44
grammar,
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文法、
00:46
productivity,
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創新性,
00:48
and displacement.
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以及超越時空性。
00:50
Discreteness means that there is a set of individual units,
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分立性就是說 有組個別不同的單位,
00:53
such as sounds or words,
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比如聲音和字語,
00:55
that can be combined to communicate new ideas,
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可以組合起來 以傳達新的想法,
00:59
like a set of refrigerator poetry magnets you can rearrange
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就好比一組你可以排列在冰箱上的 詩詞磁鐵
01:02
to create different phrases.
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來組成不同的詞語。
01:04
Grammar provides a system of rules
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文法提供一些規則
01:06
that tells you how to combine those individual units.
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讓你知道怎麼合併這些 個別單位。
01:09
Productivity is the ability to use language
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創新性就是能夠利用語言
01:12
to create an infinite number of messages.
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來創造無限量的訊息。
01:16
And displacement is the ability to talk about things
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而超越時空性 是能夠討論
01:19
that aren't right in front of you,
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不在你面前的事物,
01:21
such as past, future, or fictional events.
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比如說過去,未來和虛構性事件。
01:25
So, does animal communication exhibit any of these qualities?
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所以,動物之間的溝通 有這些特質嗎?
01:30
For crabs and cuttlefish, the answer is no.
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對於螃蟹和墨魚, 答案是沒有。
01:33
They don't combine their signals in creative ways.
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牠們無法以創意的方式 合併牠們的信號。
01:36
Those signals also don't have to be in a grammatical order,
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牠們的信號也不需要有特定的 語法順序,
01:39
and they only communicate current conditions,
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而且牠們也只透露現況,
01:42
like, "I am healthy," or "I am poisonous."
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像「我現在很健康」 或「我有毒」。
01:46
But some animals actually do display some of these properties.
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但有些動物確實會表現出 部分的特質。
01:50
Bees use the moves, angle, duration, and intensity of their waggle dance
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蜜蜂利用舞蹈的動作, 角度、時間長度和強度
01:55
to describe the location and richness of a food source.
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來描述食物的地點和豐富性。
01:59
That source is outside the hive,
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食物在蜂窩外面,
02:01
so they exhibit the property of displacement.
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所以牠們表現出超越時空性。
02:05
They share that language trait with prairie dogs,
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牠們跟草原犬鼠有共同的語言特色,
02:08
which live in towns of thousands,
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這些犬鼠以上千個的數量 居住在一起。
02:10
and are hunted by coyotes, hawks, badgers, snakes, and humans.
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牠們被草原狼、老鷹、獾、 蛇和人類獵殺。
02:16
Their alarms calls indicate the predator's size, shape, speed,
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牠們的警訊會描述 捕獵者的大小、形狀和速度,
02:20
and, even for human predators, what the person is wearing
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而且,若捕獵者是人類, 人類的衣著
02:24
and if he's carrying a gun.
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和有沒有帶槍 牠們也能夠描述。
02:27
Great apes, like chimps and gorillas, are great communicators, too.
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猿類,如黑猩猩和大猩猩, 其實也是厲害的溝通者。
02:31
Some have even learned a modified sign language.
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有些還學會用 改良過的手語。
02:34
A chimpanzee named Washoe demonstrated discreteness
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一個叫「沃肖」的黑猩猩 表現了語言的分立性
02:38
by combining multiple signs into original phrases,
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也就是多種手語 變成原創的詞語,
02:42
like, "Please open. Hurry."
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比如,「開啦,快。」
02:44
Coco, a female gorilla who understands more than 1000 signs,
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「可可」, 是一隻通曉超過一千個手語,
02:48
and around 2000 words of spoken English
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以及聽懂大約二千個英文字的雌猩猩
02:51
referred to a beloved kitten that had died.
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提到了一隻已經死去的心愛貓咪。
02:54
In doing so, she displayed displacement,
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如此,他表現了超越時空性,
02:57
though it's worth noting that the apes in both of these examples
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雖然值得一提的是 例子中的這兩隻猿類
03:00
were using a human communication system,
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都是用了人類的語言系統,
03:03
not one that appeared naturally in the wild.
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而不是在野外自然出現的語言。
03:06
There are many other examples of sophisticated animal communication,
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還有很多複雜的 動物溝通模式的例子,
03:10
such as in dolphins,
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像海豚,
03:11
which use whistles to identify age, location, names, and gender.
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會利用口哨來辨別年齡、地點 名字和性別。
03:17
They can also understand some grammar
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牠們也明白
03:19
in a gestural language researchers use to communicate with them.
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研究人員跟牠們溝通所使用的 手勢語言的文法。
03:23
However, grammar is not seen in the dolphin's natural communication.
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然而,文法並不存在於 海豚自然溝通的語言裡。
03:28
While these communication systems
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即便這些語言系統
03:30
may have some of the qualities of language we've identified,
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或許我們可以辯識某些語言,
03:33
none display all four.
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但沒有一種完全擁有 以上四種特質。
03:35
Even Washoe and Coco's impressive abilities are still outpaced
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就連「沃肖」和「可可」的 驚人語言能力
也不如多數的三歲小朋友。
03:40
by the language skills of most three-year-old humans.
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03:43
And animals' topics of conversation are usually limited.
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而且動物的話題也備受局限。
03:47
Bees talk about food,
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蜜蜂談論食物,
03:48
prairie dogs talk about predators,
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草原犬鼠討論獵殺者,
03:50
and crabs talk about themselves.
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螃蟹討論自己。
03:53
Human language stands alone
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人類語言能夠鶴立雞群
03:56
due to the powerful combination of grammar and productivity,
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在分立性和超越時空性之餘,
04:00
on top of discreteness and displacement.
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也緣於文法和創新性的強大組合。
04:03
The human brain can take a finite number of elements
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人類的頭腦可以取有限量的元素
04:05
and create an infinite number of messages.
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來創造無限量的訊息。
04:08
We can craft and understand complex sentences,
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我們可以創造和理解複雜的句子,
04:11
as well as words that have never been spoken before.
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以及從來沒有說過的字。
04:15
We can use language to communicate about an endless range of subjects,
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我們可以利用語言來談論 各種課題,
04:18
talk about imaginary things,
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談論虛擬的事物,
04:20
and even lie.
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還有撒謊。
04:22
Research continues to reveal more and more about animal communication.
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研究繼續發現動物所溝通的新事物。
04:27
It may turn out that human language and animal communication
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有可能人類語言和動物溝通
04:30
aren't entirely different but exist on a continuum.
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不是完全不同的東西 而是有連續性的。
04:34
After all, we are all animals.
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再怎麼說,我們都是動物。
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