Pavlovian reactions aren't just for dogs - Benjamin N. Witts

Pavlovljeve reakcije nisu samo za pse - Benjamin N. Witts

149,792 views

2013-04-26 ・ TED-Ed


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Pavlovian reactions aren't just for dogs - Benjamin N. Witts

Pavlovljeve reakcije nisu samo za pse - Benjamin N. Witts

149,792 views ・ 2013-04-26

TED-Ed


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00:00
Transcriber: Andrea McDonough Reviewer: Bedirhan Cinar
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Prevoditelj: Anita Cavrag Recezent: Ivan Stamenković
00:13
You've probably heard of Pavlov's dogs,
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Vjerojatno ste čuli za Pavlovljeve pse,
00:16
the phrase that often summarizes
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frazu koja često sumira
00:17
Dr. Ivan Pavlov's early 20th century research,
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istraživanje dr. Ivana Pavlova iz ranog 20. stoljeća,
00:20
in which he demonstrated that we can alter
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u kojem je demonstrirao da možemo mijenjati
00:22
what stimuli elicit a reflective response in canines.
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koji podražaji izazivaju refleksnu reakciju kod pasa.
00:26
He showed this by sounding a bell
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Pokazao je to zvukom zvonca
00:28
just before he presented
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tik prije no što je dao
00:29
his group of dogs with meat powder.
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svojoj grupi pasa meso u prahu.
00:31
After many presentations of the bell,
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Nakon mnogih zvonjenja zvona,
00:34
followed by tasty meat powder,
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popraćenih ukusnim mesom u prahu,
00:36
the dogs eventually began to salivate
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psi su najzad počeli sliniti
00:38
at just the sound of the bell.
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na sami zvuk zvona.
00:40
They salivated even when
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Slinili su čak i kad
00:41
there was no meat powder present.
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nije bilo mesa u prahu.
00:43
This phenomenon isn't limited to dogs.
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Ovaj fenomen nije isključivo prisutan u pasa.
00:46
Consider the placebo effect,
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Sjetite se placebo efekta,
00:47
in which a pill with no active substances
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u kojem tableta bez aktivnih supstanci
00:50
brings about a response
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izaziva reakciju
00:51
similar to a pill with a substance present.
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sličnu tableti sa supstancom.
00:54
What changes here is our reaction to our ailment,
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Ono što je tu drugačije jest naša reakcija na bolest
00:57
such as perceiving less pain
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kao što je smanjenje osjećaja boli,
00:58
and not the ailment itself.
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a ne sama bolest.
01:00
Or, consider the love humans have for a parent.
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Ili, uzmite ljubav koju ljudska bića osjećaju za roditelje.
01:03
Some would argue that this love is instinctual,
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Neki tvrde da je ova ljubav instinktivna
01:06
and they may be partially right.
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i možda su djelomično u pravu.
01:08
But, the argument fails to account
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Ali ovaj argument ne uspijeva objasniti
01:09
for the equal amount of love
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jednaku količinu ljubavi
01:11
that children adopted later in life
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koju djeca posvojena u kasnijoj dobi života
01:13
hold for their adoptive parents.
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imaju za svoje posvojitelje.
01:15
But the behaviorist argument can account
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No, bihevioralni argument može objasniti
01:17
for both accounts of love.
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oba oblika ljubavi.
01:18
A parent, biological or not,
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Roditelj, biološki ili ne,
01:21
is constantly paired with things like
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stalno biva uparen sa stvarima kao što su
01:23
food,
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01:23
smiles,
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hrana,
osmjesi,
01:24
toys,
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igračke,
01:25
affection,
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01:25
games,
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ljubav,
igre,
01:26
protection,
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zaštita,
01:27
and entertainment.
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i zabava.
01:28
And a parent's constant association
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I konstantna asocijacija roditelja
01:30
with these wonderful or crucial aspects of a child's life
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s ovim predivnim ili ključnim aspektima djetetova života
01:33
has a similar, albeit more complicated,
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ima sličan, doduše kompliciraniji,
01:35
effect that meat powder had on Pavlov's salivating dogs.
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rezultat kao što je meso u prahu imalo na Pavlovljeve slineće pse.
01:39
In other words, if one's parent is predictive
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Drugim riječima, ako je nečiji roditelj prediktor
01:41
of really good or really important things,
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jako dobrih ili jako važnih stvari,
01:44
then one's parent becomes
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tada taj roditelj postaje
01:45
a really good and important thing, too.
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jako dobra i važna stvar, također.
01:47
And there is also romantic advice to be gained
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Također, može se izvući i romantičan savjet
01:49
from Pavlov's observations.
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iz Pavlovljevih opservacija.
01:51
We all need food to survive, right?
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Svi trebamo hranu za preživljavanje, zar ne?
01:54
And someone who can provide such things
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I netko tko nam može obezbijediti takve stvari
01:55
in a delicious, saliva-producing manner
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na ukusan način, od kojeg nam cure sline
01:58
stands to become our human equivalent of a ringing bell.
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služi nam kao ljudski ekvivalent zvona.
02:01
In other words,
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Drugim riječima,
02:02
if you can cook one or more scrumptious meals
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ako znate skuhati jedan ili dva ukusna obroka
02:04
for a potential love interest,
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za potencijalnog ljubavnika,
02:06
there's a good chance that you'll be viewed
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postoji dobra šansa da će vam biti
02:08
more favorably in the future,
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više naklonjeni u budućnosti,
02:09
even if you didn't prepare the delicious food.
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čak i ako niste pripremili taj ukusan obrok.
02:13
And who wouldn't want the love of their life
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A tko ne bi želio da njegova ljubav života
02:14
drooling over them?
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slini po njemu?
02:16
But life is not just bell rings and salivation.
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Ali život nije samo zvonjenje i slinjenje.
02:18
There's also a dark side to this type of learning,
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Postoji i tamna strana ovakve vrste učenja,
02:21
called "taste aversion".
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koja se zove "averzija okusa".
02:23
Taste aversion occurs when we ingest some food
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Averzija okusa pojavljuje se kada progutamo neku hranu
02:25
that eventually makes us sick,
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od koje nam na kraju bude zlo,
02:27
and, as a result, we avoid that food,
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i kao rezultat, izbjegavamo tu hranu,
02:30
sometimes for the rest of our lives.
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ponekad i do kraja života.
02:32
Taste aversion is so powerful
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Averzija okusa je toliko snažna
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that the effect can be seen
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da se njen efekt očituje
02:36
even if the illness is experienced hours later
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čak i kada se mučnina doživii satima kasnije
02:39
and even if the food itself did not actually make us sick.
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i čak i kada nam ustvari nije pozlilo od te hrane.
02:42
Such is the case when we have the flu, and, by accident,
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Primjerice, kada imamo gripu i kada slučajno
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we ingest some food moments prior to vomiting.
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pojedemo neku hranu tik prije povraćanja.
02:49
In this case, we know that the food
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U ovom slučaju, znamo da hrana
02:50
did not cause the vomiting,
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nije izazvala povraćanje,
02:52
but our bodies don't know that.
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ali naša tijela to ne znaju.
02:54
And the next time we encounter that food,
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I sljedeći put kada naiđemo na tu hranu,
02:56
we are likely to refuse eating it.
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vjerojatno ćemo je odbiti jesti.
02:58
Now, imagine the potential consequences
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Sada, zamislite moguće posljedice
03:00
of undercooking a meal on a first date.
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potkuhavanja obroka na prvom spoju.
03:03
If the food makes your date sick,
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Ako vašem spoju pozli,
03:05
it is possible for them
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moguće je da će
03:06
to associate that bad feeling with not just the food,
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asocirati taj loš osjećaj ne samo s tom hranom,
03:09
but with <i>your</i> food in particular.
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nego s vašom hranom posebice.
03:12
If the episode was traumatizing enough,
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Ako je iskustvo bilo dovoljno traumatično,
03:14
or if it also happens on a subsequent date,
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ili ako se ponovi na sljedećem spoju,
03:17
they may come to relate you with the consequences,
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mogli bi vas početi povezivati s tim posljedicama
03:20
just like Pavlov's dogs
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baš kao što su i Pavlovljevi psi
03:22
related the bell with the meat powder.
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povezivali zvonce s mesom u prahu.
03:24
In other words,
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Drugim riječima,
03:25
the sight of you showing up at the next dinner date
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vaša pojava pri dolasku na idući spoj uz večeru
03:27
might actually make your date nauseous!
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mogla bi mu izazvati mučninu!
03:30
As the old saying goes,
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Kao što stara izreka kaže,
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the fastest way to someone's heart
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najbrži način do nečijeg srca
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is through their stomach,
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je kroz njihov želudac,
03:34
assuming you don't make them sick in the process.
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pod pretpostavkom da mu ne izazovete mučninu u procesu.
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