How to master your sense of smell - Alexandra Horowitz

594,491 views ・ 2017-01-09

TED-Ed


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

Prevodilac: Kristina Ivsic Lektor: Tijana Mihajlović
Proizvođači i prodavci parfema mogu da razlikuju zasebne note
00:07
Perfumers can learn to distinguish individual odors
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00:10
in a fragrance made of hundreds of scents.
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u mirisima koji su napravljeni od stotina nijansi.
00:13
Tea experts have been known to sniff out
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Poznato je da eksperti za čaj mogu
da ustanove ne samo odakle potiče čaj,
00:16
not just the location where a tea was from,
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00:18
but the season of harvest and whether it was planted by a plum tree.
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nego i kada je čaj ubran i da li je bio posađen pored drveta šljive,
00:22
And the New York City Transit Authority
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a u Njujorškoj tranzitnoj inspekciji
00:24
once had an employee responsible only for sniffing out gas leaks
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nekada je postojao radnik odgovoran samo za utvrđivanje curenja goriva
00:28
in the subway system.
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u sistemu podzemne železnice mirisom.
00:30
Can just anyone learn to smell with the sensitivity of those experts?
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Da li svako može da nauči da oseća mirise uz osetljivost ovih stručnjaka?
00:35
For most of us, what we smell is largely involuntary,
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Za većinu među nama, ono što mirišemo je prevashodno nehotično,
00:38
whether it's garbage behind a restaurant,
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bilo da je smeće iza restorana,
00:40
the shampoo of the woman leaving an elevator as you enter,
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šampon žene koja je izašla iz lifta dok ulazite
00:43
or a bakery's fresh-made bread.
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ili miris svežeg hleba iz pekare.
00:46
With a few million olfactory receptors in our noses,
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Sa nekoliko miliona mirisnih receptora u našem nosu,
00:49
we clearly don't lack the ability to smell well.
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jasno je da nam ne nedostaje sposobnost da dobro osetimo miris.
00:52
We just might not always pay close enough attention.
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Možda samo ne obraćamo uvek dovoljno pažnje.
00:56
That's a shame because we may be missing opportunities
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Šteta je jer tako možda propuštamo mogućnosti
da stvorimo jake emotivne veze.
00:59
to make strong emotional connections.
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01:01
Smells are powerfully linked to emotions
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Mirisi su snažno povezani sa emocijama
01:04
and can awaken memories of places we've long ago left
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i mogu pobuditi sećanja na mesta sa kojih smo odavno otišli
i na ljude koje smo voleli.
01:07
and people we've loved.
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Srećom, moguće je istrenirati naš mozak da bolje upotrebi čulo mirisa.
01:09
But fortunately, it is possible to train our brains to smell better.
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01:13
For example, Helen Keller was able to recognize a person's work,
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Na primer, Helen Keler je mogla da prepozna zanimanje osobe
01:17
and in her words,
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i, prema njenim rečima,
01:18
distinguish the carpenter from the iron worker,
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da razlikuje stolara od radnika u čeličani,
01:21
the artist from the mason or the chemist,
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umetnika od zidara ili hemičara
01:24
by a simple inhale.
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jednostavnim udahom.
01:26
Follow these steps and you too can change the way the world smells to you.
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Pratite ove korake i moći ćete
da promenite način na koji će vam svet mirisati.
01:31
First, stick your nose in it.
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Prvo, zabodite nos u to.
01:34
Some animals that are known to be great smellers,
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Neke životinje, poznate po dobrom čulu mirisa,
kao psi koji mogu da nanjuše eksploziv
01:37
like dogs who can sniff out explosives
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01:39
and pigs who can find truffles underground,
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i svinje koje mogu da pronađu tartufe pod zemljom,
01:41
put their noses right at the place they want to smell.
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stave svoj nos tačno na mesto koje žele da onjuše.
01:45
Human noses, meanwhile, are casting around in the middle of the air,
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U međuvremenu, ljudski nosevi nalaze su u vazduhu,
01:49
giving us an anatomical disadvantage.
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stvarajući nam anatomsku prepreku.
01:52
So bring your nose close to the world around you.
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Zato primaknite nos bliže svetu oko vas.
01:55
The ground,
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Zemlji, površinama, predmetima, hrani u ruci.
01:56
surfaces,
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01:57
objects,
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01:58
the food in your hand.
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Približite se svom psu, partneru, knjizi koju čitate.
02:00
Get close to your dog,
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02:01
your partner,
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02:02
the book you're reading.
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Ne samo da će vaš nos biti bliži izvoru mirisa,
02:04
Not only will your nose be closer to the odor source,
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02:06
but the warmth of your breath will make odors easier to smell.
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nego će i toplina vašeg daha učiniti da bolje osetite miris.
02:11
Second, sniff like you mean it.
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Drugo, pomirišite kao da stvarno to mislite.
Mirisanje se zapravo dešava gore, blizu mosta našeg nosa
02:14
Smelling actually happens way up near the bridge of our noses
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02:17
in a postage stamp-sized square of tissue called the olfactory epithelium.
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u četvrtastom tkivu veličine poštanske markice koje se zove mirisni epitel.
Kada pomirišemo, molekuli mirisa se usisavaju u naše nozdrve
02:23
When we sniff, odor molecules are sucked up into our nostrils
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02:26
until they hit this tissue
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dok ne udare u ovo tkivo
02:28
where they combine to our olfactory, or scent, receptors.
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gde se lepe za naše olfaktorne ili mirisne receptore.
02:33
When we inhale normally, only a little air makes it there.
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Kada normalno udišemo, samo malo vazduha dopre do tamo,
ali jedan ili dva dobra, jaka udaha kroz nos
02:37
But one or two solid sharp sniffs
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02:39
will ensure that more air gets to your smell receptors.
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omogućiće da više vazduha stigne do vaših mirisnih receptora.
Nakon samo nekoliko dodatnih udaha kroz nos,
02:43
After just a few more sniffs,
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02:44
the receptors, which are best at noticing new smells,
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receptori, koji najbolje primećuju nove mirise,
02:47
turn off temporarily.
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privremeno se isključuju,
tako da možete odmoriti svoj nos i udahnuti ponovo kasnije.
02:50
So you can give your nose a rest and sniff again later.
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02:53
Finally, dwell on the smell.
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Na kraju, zadržite se na mirisu.
02:56
Most smells pass by us with little attention,
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Većini mirisa oko nas ne posvećujemo mnogo pažnje,
02:59
but simply noticing what you're smelling
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ali kada samo obratite pažnju na to što mirišete
03:01
and by trying to describe it, name it, and locate its source,
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i kada pokušate to da opišete, imenujete i da locirate poreklo,
03:05
you can expand your vocabulary of smells.
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možete da proširite svoj rečnik mirisa.
Kada se molekul mirisa poveže sa mirisnim receptorom,
03:09
When an odor molecule binds to a scent receptor,
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on odašilje električni signal iz senzornog neurona
03:12
it sends an electrical signal from the sensory neurons
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do olfaktornih lampica u našem mozgu.
03:15
to our brain's olfactory bulbs.
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03:17
The signal then continues to other areas of the brain,
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Ovaj signal zatim putuje do drugih delova mozga,
03:20
where it's integrated with taste,
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gde se integriše sa ukusom, uspomenama, ili emotivnim informacijama
03:22
memory,
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03:23
or emotional information
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03:24
before registering to us as a smell.
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pre nego što ga registrujemo kao miris.
03:27
FMRI research shows that the extra time spent focusing on scent
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Istraživanja uz pomoć magnetne rezonance pokazuju da dodatno vreme koje provedemo
koncentrišući se na miris
03:32
changes the brain of experienced smellers.
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menja mozak onih koji imaju iskustva u mirisanju.
03:35
For them, perceiving and imagining odors becomes more automatic
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Za njih doživljavanje i zamišljanje mirisa postaje više automatsko
nego za one koji nisu eksperti.
03:39
than for non-experts.
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03:40
To get started yourself, take ingredients from your kitchen:
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Kako biste se upustili u ovo, zgrabite sastojke iz kuhinje -
začine, vanilu ili voće,
03:44
spices,
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03:45
vanilla,
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03:45
or fruit,
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03:46
but never anything toxic.
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ali nikada ništa otrovno.
03:48
Close your eyes and have someone bring them under your nose.
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Zažmurite i zamolite nekoga da vam ih stavi pod nos.
03:52
Sniff and try to name the source.
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Pomirišite i pokušajte da imenujete izvor.
03:55
Over time, you'll begin to appreciate nuances in familiar odors
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Tokom vremena, počećete da razlikujete nijanse u poznatim mirisima
i da prepoznajete karakteristike novih i neobičnih mirisa.
03:59
and recognize characteristics of new and unusual smells.
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04:03
The perfumer has practiced these steps enough to become an artist of odor,
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Osoba koja pravi ili prodaje parfeme vežbala je ove korake
dovoljno da postane umetnik mirisa,
04:07
but even if you never pursue smelling to that degree,
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ali čak iako nikada ne budete toliko uspešni,
04:10
the spectacular result of an unspectacular action
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spektakularni rezultat nespektakularne radnje
04:13
will change how you sense and experience your days.
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promeniće način na koji osećate i doživljavate dane.
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