Do animals have language? - Michele Bishop

2,329,779 views ・ 2015-09-10

TED-Ed


Please double-click on the English subtitles below to play the video.

Prevodilac: Mile Živković Lektor: Anja Saric
00:07
All animals communicate.
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Sve životinje komuniciraju.
00:09
Crabs wave their claws at each other to signal that they're healthy
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Krabe mašu kleštima međusobno da daju znak da su zdrave
00:12
and ready to mate.
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i spremne za parenje.
00:13
Cuttlefish use pigmented skin cells called chromatophores
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Sipe koriste ćelije kože sa pigmentom koje se zovu hromatofore
00:17
to create patterns on their skin that act as camouflage
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da prikažu šablone na koži koji se ponašaju kao kamuflaža
00:21
or warnings to rivals.
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ili upozorenje za suparnike.
00:23
Honeybees perform complex dances
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Pčele imaju kompleksne plesove
00:25
to let other bees know the location and quality of a food source.
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kojima drugim pčelama prenose mesto i kvalitet izvora hrane.
00:31
All of these animals have impressive communication systems,
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Sve ove životinje imaju impresivne sisteme komunikacije,
00:34
but do they have language?
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ali da li imaju jezik?
00:37
To answer that question,
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Da bismo na to odgovorili,
00:38
we can look at four specific qualities that are often associated with language:
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možemo pogledati četiri kvaliteta koja se često pripisuju jeziku:
00:43
discreteness,
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diskretnost,
00:44
grammar,
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gramatika,
00:46
productivity,
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produktivnost
00:48
and displacement.
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i premeštanje.
00:50
Discreteness means that there is a set of individual units,
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Diskretnost znači da postoji skup pojedinačnih jedinica,
00:53
such as sounds or words,
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poput znakova i reči,
00:55
that can be combined to communicate new ideas,
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koji se mogu kombinovati da se prenesu nove ideje,
poput magneta za frižider sa pesmama, koji mogu da se preurede
00:59
like a set of refrigerator poetry magnets you can rearrange
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01:02
to create different phrases.
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da se dobiju različite fraze.
01:04
Grammar provides a system of rules
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Gramatika pruža sistem pravila
01:06
that tells you how to combine those individual units.
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koji vam govori kako da kombinujete te pojedinačne jedinice.
01:09
Productivity is the ability to use language
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Produktivnost je sposobnost korišćenja jezika
01:12
to create an infinite number of messages.
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da se stvori beskonačan broj poruka.
01:16
And displacement is the ability to talk about things
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Premeštanje je mogućnost da pričate o stvarima
01:19
that aren't right in front of you,
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koje nisu direktno ispred vas,
01:21
such as past, future, or fictional events.
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poput prošlosti, budućnosti ili izmišljenih događaja.
01:25
So, does animal communication exhibit any of these qualities?
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Da li životinjska komunikacija poseduje bilo koji od ovih kvaliteta?
01:30
For crabs and cuttlefish, the answer is no.
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Za krabe i sipe, odgovor je ne.
01:33
They don't combine their signals in creative ways.
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One ne kombinuju svoje signale na kreativan način.
01:36
Those signals also don't have to be in a grammatical order,
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Ti signali takođe ne moraju da budu gramatički poređani
01:39
and they only communicate current conditions,
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i one samo komuniciraju o trenutnim uslovima,
01:42
like, "I am healthy," or "I am poisonous."
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poput: "Ja sam zdrav" ili "Ja sam otrovan".
01:46
But some animals actually do display some of these properties.
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Ali neke životinje zaista prikazuju neka od ovih svojstava.
01:50
Bees use the moves, angle, duration, and intensity of their waggle dance
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Pčele koriste pokrete, ugao, trajanje i intenzitet svog plesa
01:55
to describe the location and richness of a food source.
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da prikažu mesto i obilnost izvora hrane.
01:59
That source is outside the hive,
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Taj izvor je van košnice,
02:01
so they exhibit the property of displacement.
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tako da pokazuju svojstvo premeštanja.
02:05
They share that language trait with prairie dogs,
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Tu jezičku karakteristiku dele sa prerijskim psima
02:08
which live in towns of thousands,
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koji žive u čoporima od po nekoliko hiljada
02:10
and are hunted by coyotes, hawks, badgers, snakes, and humans.
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i koje love kojoti, sokoli, jazavci zmije i ljudi.
02:16
Their alarms calls indicate the predator's size, shape, speed,
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Njihovi pozivi na uzbunu prenose veličinu, oblik i brzinu grabljivice,
02:20
and, even for human predators, what the person is wearing
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a za ljudske grabljivice, čak i šta osoba nosi na sebi
02:24
and if he's carrying a gun.
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i da li nosi pištolj.
02:27
Great apes, like chimps and gorillas, are great communicators, too.
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Veliki majmuni, poput šimpanza i gorila takođe sjajno komuniciraju
02:31
Some have even learned a modified sign language.
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Neki od njih su čak naučili izmenjeni znakovni jezik.
02:34
A chimpanzee named Washoe demonstrated discreteness
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Šimpanza Vašo prikazala je diskretnost
02:38
by combining multiple signs into original phrases,
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kombinujući više znakova u jedinstvene fraze poput:
02:42
like, "Please open. Hurry."
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"Molim otvori. Žurim."
02:44
Coco, a female gorilla who understands more than 1000 signs,
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Koko, ženka gorile koja razume više od 1000 znakova
02:48
and around 2000 words of spoken English
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i oko 2000 reči govornog engleskog
02:51
referred to a beloved kitten that had died.
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pričala je o svom voljenom mačetu koje je uginulo.
02:54
In doing so, she displayed displacement,
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Radeći ovo, prikazala je premeštanje,
02:57
though it's worth noting that the apes in both of these examples
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iako treba primetiti da primati u oba ova primera
03:00
were using a human communication system,
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koriste ljudski sistem komunikacije,
03:03
not one that appeared naturally in the wild.
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a ne neki koji je prirodno nastao u divljini.
03:06
There are many other examples of sophisticated animal communication,
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Postoje mnogi drugi primeri sofisticirane životinjske komunikacije,
03:10
such as in dolphins,
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kao kod delfina,
03:11
which use whistles to identify age, location, names, and gender.
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koji zviždukom prepoznaju godište, mesto, imena i pol.
03:17
They can also understand some grammar
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Takođe razumeju nešto gramatike preko znakovnog jezika
03:19
in a gestural language researchers use to communicate with them.
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koji istraživači koriste kako bi komunicirali sa njima.
03:23
However, grammar is not seen in the dolphin's natural communication.
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Ipak, gramatika nije primetna u prirodnoj komunikaciji delfina.
03:28
While these communication systems
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Iako ovi sistemi komunikacije
03:30
may have some of the qualities of language we've identified,
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možda imaju neke od osobina jezika koje smo naveli,
03:33
none display all four.
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nijedan nema sve četiri.
03:35
Even Washoe and Coco's impressive abilities are still outpaced
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Većina ljudskih bića sa tri godine može da nadmaši
03:40
by the language skills of most three-year-old humans.
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i impresivne sposobnosti Vašoa i Koko.
03:43
And animals' topics of conversation are usually limited.
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Teme razgovora životinja obično su i ograničene.
03:47
Bees talk about food,
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Pčele pričaju o hrani,
03:48
prairie dogs talk about predators,
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prerijski psi o grabljivicama
03:50
and crabs talk about themselves.
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a krabe same o sebi.
03:53
Human language stands alone
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Ljudski jezik je jedinstven
03:56
due to the powerful combination of grammar and productivity,
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zbog moćne kombinacije gramatike i produktivnosti,
04:00
on top of discreteness and displacement.
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pored diskretnosti i premeštanja.
04:03
The human brain can take a finite number of elements
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Ljudski mozak može da uzme ograničen broj elemenata
04:05
and create an infinite number of messages.
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i stvori beskonačan broj poruka.
04:08
We can craft and understand complex sentences,
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Možemo da stvorimo i razumemo kompleksne rečenice,
04:11
as well as words that have never been spoken before.
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kao i reči koje nikada nisu izgovorene.
04:15
We can use language to communicate about an endless range of subjects,
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Jezik možemo da koristimo da komuniciramo o beskrajnom nizu tema,
04:18
talk about imaginary things,
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da pričamo o izmišljenim stvarima
04:20
and even lie.
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i čak da lažemo.
04:22
Research continues to reveal more and more about animal communication.
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Istraživanja otkrivaju sve više o životinjskoj komunikaciji.
04:27
It may turn out that human language and animal communication
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Može se ispostaviti da ljudska i životinjska komunikacija
04:30
aren't entirely different but exist on a continuum.
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nisu potpuno različite već postoje na liniji kontinuiteta.
04:34
After all, we are all animals.
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Ipak, svi smo mi životinje.
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