What do all languages have in common? - Cameron Morin

814,080 views ・ 2020-06-29

TED-Ed


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Reviewer: Nika Kotnik
00:06
Language is endlessly variable.
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Jezik pozna neskončno oblik.
00:09
Each of us can come up with an infinite number of sentences
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Vsak od nas lahko sestavi neskončno povedi
00:12
in our native language,
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v materinem jeziku,
00:14
and we’re able to do so from an early age—
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in to od zgodnjega otroštva,
00:16
almost as soon as we start to communicate in sentences.
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skoraj takoj, ko se začnemo sporazumevati v povedih.
00:20
How is this possible?
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Kako je to mogoče?
00:22
In the early 1950s, Noam Chomsky proposed a theory
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V zgodnjih 50-ih letih je Noam Chomsky predstavil teorijo,
00:26
based on the observation that the key to this versatility seems to be grammar:
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ki temelji na opažanju, da je ključni del te vsestranskosti slovnica:
00:31
the familiar grammatical structure of an unfamiliar sentence
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znana slovnična struktura neznane povedi
00:35
points us toward its meaning.
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nam nakaže njen pomen.
00:37
He suggested that there are grammatical rules
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Menil je, da obstajajo slovnična pravila,
00:39
that apply to all languages, and that the rules are innate—
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ki veljajo za vse jezike, in da so ponotranjena,
00:44
the human brain is hardwired to process language according to these rules.
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torej možgani vedo, kako po teh pravilih obdelati jezik.
00:49
He labelled this faculty universal grammar,
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To značilnost je poimenoval univerzalna slovnica
00:53
and it launched lines of inquiry that shaped both the field of linguistics
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ter sprožil raziskave, ki so v naslednjih desetletjih oblikovale
00:57
and the emerging field of cognitive science for decades to come.
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področje jezikoslovja ter novo področje kognitivne znanosti.
01:01
Chomsky and other researchers set out to investigate
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Chomsky in drugi znanstveniki so se lotili raziskav
01:04
the two main components of universal grammar:
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dveh glavnih sestavin univerzalne slovnice:
01:07
first, whether there are, in fact, grammar rules
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prvič, ali dejansko obstajajo slovnična pravila,
01:10
that are universal to all languages,
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ki veljajo za vse jezike,
01:13
and, second, whether these rules are hardwired in the brain.
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in drugič, ali so ta pravila ponotranjena v možganih.
01:17
In attempts to establish the universal rules of grammar,
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Da bi potrdil univerzalna pravila slovnice,
01:21
Chomsky developed an analytical tool known as generative syntax,
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je Chomsky razvil analitično orodje, imenovano generativna skladnja,
01:26
which represents the order of words in a sentence in hierarchical syntax trees
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ki predstavlja zaporedje besed v povedi skozi hierarhična sintaktična drevesa,
01:31
that show what structures are possible.
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ki prikazujejo možne strukture.
01:34
Based on this tree, we could suggest a grammar rule
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Na podlagi tega drevesa lahko predlagamo slovnično pravilo,
01:37
that adverbs must occur in verb phrases.
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da se prislovi morajo pojaviti v glagolskih frazah.
01:41
But with more data, it quickly becomes clear
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Z več podatki pa hitro postane jasno,
01:43
that adverbs can appear outside of verb phrases.
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da prislovi lahko obstajajo tudi izven glagolskih fraz.
01:47
This simplified example illustrates a major problem:
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Ta poenostavljen primer prikazuje veliko težavo:
01:50
it takes a lot of data from each individual language
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potrebujemo veliko podatkov o vsakem jeziku,
01:54
to establish the rules for that language,
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da bi ugotovili pravila tega jezika,
01:56
before we can even begin to determine
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preden sploh lahko začnemo ugotavljati,
01:59
which rules all languages might have in common.
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katera pravila bi lahko bila skupna vsem jezikom.
02:02
When Chomsky proposed universal grammar,
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Ko je Chomsky predlagal univerzalno slovnico,
02:05
many languages lacked the volume of recorded samples
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veliko jezikov ni imelo dovolj zabeleženih vzorcev,
02:08
necessary to analyze them using generative syntax.
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da bi jih lahko analizirali z generativno skladnjo.
02:12
Even with lots of data,
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Celo z ogromno podatki
je neverjetno težko orisati strukturo jezika.
02:14
mapping the structure of a language is incredibly complex.
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02:17
After 50 years of analysis, we still haven’t completely figured out English.
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Po 50 letih analiz še vedno nismo povsem dognali angleščine.
02:23
As more linguist data was gathered and analyzed,
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Z vse več zbranimi in analiziranimi jezikoslovnimi podatki,
02:26
it became clear that languages around the world differ widely,
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je postalo jasno, da se jeziki po svetu zelo razlikujejo,
02:31
challenging the theory that there were universal grammar rules.
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kar je prineslo dvom v teorijo, da obstajajo univerzalna pravila slovnice.
02:35
In the 1980s, Chomsky revised his theory
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V 80-ih je Chomsky prevetril svojo teorijo,
02:38
in an attempt to accommodate this variation.
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da bi vzel v zakup te razlike.
02:41
According to his new hypothesis of principles and parameters,
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Njegova nova hipoteza načel in parametrov pravi,
02:45
all languages shared certain grammatical principles,
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da si vsi jeziki delijo določena slovnična načela,
02:48
but could vary in their parameters, or the application of these principles.
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a se lahko razlikujejo v parametrih ali uporabi teh načel.
02:53
For example, a principle is “every sentence must have a subject,"
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Načelo je, denimo, da mora “vsaka poved imeti osebek”,
02:57
but the parameter of whether the subject must be explicitly stated
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vendar se parameter o tem, ali je osebek izrecno omenjen,
03:01
could vary between languages.
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lahko med jeziki razlikuje.
03:03
The hypothesis of principles and parameters
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Hipoteza načel in parametrov
03:06
still didn’t answer the question of which grammatical principles are universal.
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tudi ne pojasni, katera slovnična načela so univerzalna.
03:11
In the early 2000s, Chomsky suggested that there’s just one shared principle,
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V začetku 21. stoletja je Chomsky dejal, da obstaja le eno skupno načelo,
03:16
called recursion, which means structures can be nested inside each other.
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imenovano rekurzija, kar pomeni, da strukture lahko gnezdijo druga v drugi.
03:21
Take this sentence,
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Vzemimo tole poved,
03:23
which embeds a sentence within a sentence within a sentence.
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ki nosi stavek znotraj stavka znotraj stavka.
03:26
Or this sentence, which embeds a noun phrase in a noun phrase
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Ali pa tole poved, ki vgnezdi samostalniško frazo v samostalniško frazo
03:30
in a noun phrase.
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v samostalniško frazo.
03:32
Recursion was a good candidate for a universal grammar rule
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Rekurzija je bila dobra kandidatka za univerzalno slovnično pravilo,
03:35
because it can take many forms.
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saj ima mnogo oblik.
03:38
However, in 2005 linguists published findings
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Vendar so leta 2005 jezikoslovci objavili izsledke raziskav
03:42
on an Amazonian language called Piraha,
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na amazonskem jeziku piraha,
03:45
which doesn’t appear to have any recursive structures.
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ki ne kaže nobenih rekurzivnih struktur.
03:49
So what about the other part of Chomsky’s theory,
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Kaj pa drugi del Chomskyjeve teorije,
03:51
that our language faculty is innate?
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da je jezik ponotranjen?
03:55
When he first proposed universal grammar,
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Ko je prvič predložil idejo univerzalne slovnice,
03:57
the idea that there was a genetically determined aspect of language acquisition
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je teza, da obstaja genetski vidik učenja jezika,
04:02
had a profound, revolutionary impact.
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imela globok in revolucionaren vpliv.
04:05
It challenged the dominant paradigm, called behaviorism.
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Izzvala je prevladujočo paradigmo, ki ji pravimo behaviorizem.
04:09
Behaviorists argued that all animal and human behaviors, including language,
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Behavioristi trdijo, da se vseh živalskih in človeških ravnanj, tudi jezika,
04:15
were acquired from the outside by the mind,
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naučimo od zunaj, s pomočjo uma,
04:18
which starts out as a blank slate.
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ki je na začetku kot čisto prazen list.
04:20
Today, scientists agree that behaviorism was wrong,
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Danes se znanstveniki strinjajo, da je bil behaviorizem zgrešen
04:24
and there is underlying, genetically encoded biological machinery
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in da obstaja temeljni, genetsko kodiran biološki sistem
04:28
for language learning.
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za učenje jezika.
04:29
Many think the same biology responsible for language
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Mnogi menijo, da je biologija, ki je odgovorna za jezik,
04:32
is also responsible for other aspects of cognition.
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odgovorna tudi za druge vidike kognicije.
Ne strinjajo se torej s Chomskyjem,
04:37
So they disagree with Chomsky’s idea
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04:39
that there is a specific, isolated, innate language faculty in the brain.
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da obstaja posebna izolirana jezikovna sposobnost možganov.
Teorija univerzalne slovnice je sprožila dokumentiranje in študij
04:45
The theory of universal grammar prompted the documentation and study
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04:49
of many languages that hadn’t been studied before.
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mnogih jezikov, ki dotlej niso bili obravnavani.
04:52
It also caused an old idea to be reevaluated and eventually overthrown
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Zaradi nje so tudi ponovno ocenili in na koncu zavrgli eno od starih idej,
04:57
to make room for our growing understanding of the human brain.
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da bi napravili prostor za boljše razumevanje človeških možganov.
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