How does alcohol cause blackouts? - Shannon Odell

875,877 views ใƒป 2024-02-01

TED-Ed


์•„๋ž˜ ์˜๋ฌธ์ž๋ง‰์„ ๋”๋ธ”ํด๋ฆญํ•˜์‹œ๋ฉด ์˜์ƒ์ด ์žฌ์ƒ๋ฉ๋‹ˆ๋‹ค.

๋ฒˆ์—ญ: ๊ด€์›… ๋ฌธ ๊ฒ€ํ† : DK Kim
00:07
In 1969, Dr. Donald Goodwin gathered a group of study participants
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1969๋…„, ๋„๋„๋“œ ๊ตฟ์œˆ ๋ฐ•์‚ฌ๋Š” ์‹คํ—˜ ์ฐธ๊ฐ€์ž๋“ค์„ ๋ชจ์ง‘ํ•ด์„œ
00:12
and asked them each to recall the object he'd shown them two minutes prior.
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2๋ถ„ ์ „์— ๋ณด์—ฌ์ค€ ๋ฌผ์ฒด๋ฅผ ๋– ์˜ฌ๋ ค ๋ณด๋ผ๊ณ  ํ–ˆ์Šต๋‹ˆ๋‹ค.
00:15
The twist?
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์žฌ๋ฐŒ๋Š” ์ ์ด์š”?
00:16
All the participants were very intoxicated.
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๋ชจ๋“  ์ฐธ๊ฐ€์ž๊ฐ€ ๋งŒ์ทจ ์ƒํƒœ์˜€์Šต๋‹ˆ๋‹ค.
00:19
Despite this, most could pay attention to the task
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๊ทธ๋Ÿผ์—๋„, ๋Œ€๋ถ€๋ถ„์€ ๊ณผ์ œ์— ์ง‘์ค‘ํ•  ์ˆ˜ ์žˆ์—ˆ๊ณ 
00:22
and correctly name the toy they had just seen.
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๋ฐฉ๊ธˆ ๋ดค๋˜ ์žฅ๋‚œ๊ฐ์˜ ์ด๋ฆ„์„ ๋งžํ˜”์Šต๋‹ˆ๋‹ค.
00:24
Yet, when Donald asked them to recall that object a mere 30 minutes later,
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๊ทธ๋Ÿฌ๋‚˜, ๊ณ ์ž‘ 30๋ถ„ ๋’ค์— ๊ฐ™์€ ์งˆ๋ฌธ์„ ํ–ˆ์„ ๋•Œ๋Š”
00:29
half the participants drew a blank,
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์ฐธ๊ฐ€์ž์˜ ์ ˆ๋ฐ˜์ด ๋‹ตํ•˜์ง€ ๋ชปํ–ˆ์Šต๋‹ˆ๋‹ค.
00:31
having โ€œblacked outโ€ the earlier moment entirely.
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์กฐ๊ธˆ ์ „ ๊ธฐ์–ต์ด ์™„์ „ํžˆ ์‚ฌ๋ผ์ง„ ๊ฑฐ์ฃ .
00:34
This study illustrates the strange and somewhat selective effects
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์ด ์—ฐ๊ตฌ๋Š” ์•Œ์ฝ”์˜ฌ์ด ๋‡Œ์— ๋ฏธ์น˜๋Š” ์ด์ƒํ•˜๊ณ ๋„ ์„ ํƒ์ ์ธ ์˜ํ–ฅ์„ ๋ณด์—ฌ์ค๋‹ˆ๋‹ค.
00:38
alcohol has on the brain.
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00:39
Many intoxicated people can perform complex tasks
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๋งŒ์ทจ ์ƒํƒœ์—์„œ ๋ณต์žกํ•œ ์ผ์„ ํ•  ์ˆ˜ ์žˆ๋Š” ์‚ฌ๋žŒ๋“ค๋„ ๋งŽ์Šต๋‹ˆ๋‹ค.
00:43
like holding a detailed conversation or navigating a walk home.
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๊ตฌ์ฒด์ ์ธ ๋Œ€ํ™”๋ฅผ ํ•˜๊ฑฐ๋‚˜ ์ง‘์„ ์ฐพ์•„์˜ค๋Š” ์ผ ๋“ฑ์ด์ฃ .
00:47
Yet for those experiencing what is known as a blackout,
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ํ•˜์ง€๋งŒ ์ด๋“ค์ด ๋ธ”๋ž™์•„์›ƒ์ด๋ผ๋Š” ๊ฒƒ์„ ๊ฒช๊ฒŒ ๋˜๋ฉด
00:50
the memory of these events is quickly forgotten.
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์ด๋Ÿฐ ์ผ๋“ค์„ ํ–ˆ๋‹ค๋Š” ๊ธฐ์–ต์ด ๊ธˆ์„ธ ์‚ฌ๋ผ์ง‘๋‹ˆ๋‹ค.
00:53
So how does alcohol cause these memory lapses?
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๊ทธ๋Ÿผ ์•Œ์ฝ”์˜ฌ์€ ์–ด๋–ป๊ฒŒ ๊ธฐ์–ต ์ƒ์‹ค์„ ์œ ๋ฐœํ• ๊นŒ์š”?
00:56
First, let's identify the culprit.
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๋จผ์ € ๋ฒ”์ธ์„ ์ฐพ์•„ ๋ด…์‹œ๋‹ค.
00:58
While a single drink often contains hundreds of different chemical compounds,
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์ˆ  ํ•œ ์ž”์—๋Š” ํ™”ํ•™ ๋ฌผ์งˆ์ด ๋ณดํ†ต ์ˆ˜๋ฐฑ ์ข… ๋“ค์–ด ์žˆ์ง€๋งŒ,
01:02
ethanol is responsible for alcohol's effects on the brain.
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์ˆ ์ด ๋‡Œ์— ๋ฏธ์น˜๋Š” ์˜ํ–ฅ์€ ์—ํƒ„์˜ฌ์ด ์›์ธ์ž…๋‹ˆ๋‹ค.
01:06
Ethanol is lightweight and lipophilic,
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์—ํƒ„์˜ฌ์€ ๊ฐ€๋ณ๊ณ  ์นœ์œ ์„ฑ์ž…๋‹ˆ๋‹ค.
01:08
meaning its structure easily dissolves into fats,
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์ฆ‰, ์ง€๋ฐฉ์— ์‰ฝ๊ฒŒ ๋…น๋Š” ๊ตฌ์กฐ์ด์ฃ .
01:11
like those in the membranes of the outer blood-brain barrier.
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ํ˜ˆ์•ก๋‡Œ๊ด€๋ฌธ์˜ ์™ธ๋ง‰์— ์žˆ๋Š” ์ง€๋ฐฉ ๊ฐ™์€ ๊ฒƒ ๋ง์ด์ฃ .
01:14
Once inside the brain, ethanolโ€™s unique structure
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์ผ๋‹จ ๋‡Œ๋กœ ๋“ค์–ด๊ฐ€๋ฉด ์—ํƒ„์˜ฌ์˜ ํŠน์ˆ˜ํ•œ ๊ตฌ์กฐ๋กœ ์ธํ•ด
01:17
allows it to bind to, interact, and affect many different neuronal receptors,
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๋‹ค์–‘ํ•œ ์‹ ๊ฒฝ ์ˆ˜์šฉ์ฒด์™€ ๊ฒฐํ•ฉ, ์ƒํ˜ธ ์ž‘์šฉํ•˜๊ณ  ์˜ํ–ฅ์„ ์ฃผ๋ฉฐ
01:22
impairing pathways that allow you to make careful decisions, control your impulses,
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์‹ ์ค‘ํ•œ ๊ฒฐ์ •์„ ํ•˜๊ฑฐ๋‚˜ ์ถฉ๋™์„ ์ œ์–ดํ•˜๋Š” ์‹ ๊ฒฝ ํ†ต๋กœ๋ฅผ ์†์ƒํ•˜๊ณ 
์‹ ์ฒด ๋™์ž‘์„ ๊ด€๋ฆฌํ•˜๋Š” ์‹ ๊ฒฝ ํ†ต๋กœ๊นŒ์ง€ ์†์ƒํ•ฉ๋‹ˆ๋‹ค.
01:27
and even manage your motor skills.
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01:29
And the networks that control memory seem to be especially sensitive
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๊ธฐ์–ต์„ ์ œ์–ดํ•˜๋Š” ์‹ ๊ฒฝ๋ง์€ ์•Œ์ฝ”์˜ฌ์— ํŠนํžˆ ๋ฏผ๊ฐํ•œ ๊ฒƒ ๊ฐ™์Šต๋‹ˆ๋‹ค.
01:33
to alcoholโ€™s effects.
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01:34
Typically, information about your surroundings is taken in
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๋ณดํ†ต ์šฐ๋ฆฌ ์ฃผ๋ณ€์˜ ์ •๋ณด๋Š” ๊ฐ๊ฐ ๊ธฐ๊ด€์ด ์ˆ˜์ง‘ํ•˜์—ฌ ๋‡Œ๋กœ ๋ณด๋ƒ…๋‹ˆ๋‹ค.
01:38
by your sensory organs and sent to the brain.
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01:40
Neurons transfer this information to one another
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๋‰ด๋Ÿฐ์€ ์„œ๋กœ ์ •๋ณด๋ฅผ ์ฃผ๊ณ  ๋ฐ›์„ ๋•Œ
01:43
via chemical messengers called neurotransmitters,
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โ€˜์‹ ๊ฒฝ ์ „๋‹ฌ ๋ฌผ์งˆโ€™์ด๋ผ๋Š” ํ™”ํ•™์  ์ „๋‹ฌ์ž๋ฅผ ์ด์šฉํ•ฉ๋‹ˆ๋‹ค.
01:46
which are released by one neuron and received by receptors at another.
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ํ•œ์ชฝ ๋‰ด๋Ÿฐ์—์„œ ๋ฐฉ์ถœ๋˜๋ฉด ๋‹ค๋ฅธ ์ชฝ์˜ ์ˆ˜์šฉ์ฒด์—์„œ ๋ฐ›์•„๋“ค์ด์ฃ .
01:50
When a neurotransmitter binds to a receptor,
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์‹ ๊ฒฝ ์ „๋‹ฌ ๋ฌผ์งˆ์ด ์ˆ˜์šฉ์ฒด์™€ ๊ฒฐํ•ฉํ•˜๋ฉด
01:53
it unlocks an internal channel, allowing small ions to flow into the cell.
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์ž‘์€ ์ด์˜จ์ด ์„ธํฌ ์•ˆ์œผ๋กœ ๋“ค์–ด๊ฐˆ ์ˆ˜ ์žˆ๊ฒŒ ๋‚ด๋ถ€ ํ†ต๋กœ๋ฅผ ์—ด์–ด์ฃผ์ฃ .
01:57
If enough ions enter the cell, the neuron fires,
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์ถฉ๋ถ„ํ•œ ์ด์˜จ์ด ์„ธํฌ๋กœ ๋“ค์–ด์˜ค๋ฉด
๋‰ด๋Ÿฐ์ด ๋ฐœํ™”ํ•˜๊ณ  ์‹ ํ˜ธ๋ฅผ ์•ž์œผ๋กœ ๋ณด๋ƒ…๋‹ˆ๋‹ค.
02:01
sending the signal forward.
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02:02
Through this process, different regions of the brain
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์ด๋Ÿฌํ•œ ๊ณผ์ •์„ ๊ฑฐ์ณ
๋‡Œ์˜ ์—ฌ๋Ÿฌ ์˜์—ญ๋“ค์ด ์ฒœ๋ถ„์˜ ์ผ ์ดˆ ๋‹จ์œ„๋กœ ์†Œํ†ตํ•˜๊ณ 
02:05
can communicate with one another in milliseconds,
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02:08
creating our moment-to-moment understanding of the world.
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์šฐ๋ฆฌ๊ฐ€ ์„ธ์ƒ์˜ ๋งค ์ˆœ๊ฐ„์„ ์ดํ•ดํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
02:11
But ethanol interacts with receptors,
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๊ทธ๋Ÿฌ๋‚˜ ์—ํƒ„์˜ฌ์€ ์ˆ˜์šฉ์ฒด์™€ ์ƒํ˜ธ ์ž‘์šฉํ•˜๋ฉด์„œ
02:13
making it harder for neurons to communicate.
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๋‰ด๋Ÿฐ๋“ค์˜ ์†Œํ†ต์„ ๋ฐฉํ•ดํ•ฉ๋‹ˆ๋‹ค.
02:16
While compromised, the brain is still able to transfer information,
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๋‡Œ๋Š” ์†์ƒ๋˜์–ด๋„ ์ •๋ณด๋ฅผ ์ „๋‹ฌํ•  ์ˆ˜ ์žˆ๊ณ 
02:19
which is why many intoxicated people seem somewhat capable
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๊ทธ๋ž˜์„œ ๋งŽ์€ ์ด๋“ค์ด ๋งŒ์ทจ ์ƒํƒœ๋กœ๋„ ๊ฐ„๋‹จํ•œ ์ผ์—๋Š” ๋ฌธ์ œ๊ฐ€ ์—†๋Š” ๋“ฏ ๋ณด์ด์ฃ .
02:23
of performing basic tasks.
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02:24
In other words, brain function is highly impaired,
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๋‹ค์‹œ ๋งํ•ด, ๋‡Œ ๊ธฐ๋Šฅ์ด ์‹ฌ๊ฐํžˆ ์†์ƒ๋˜์—ˆ์ง€๋งŒ
02:27
but not completely broken.
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์™„์ „ํžˆ ๊ณ ์žฅ๋‚˜์ง„ ์•Š์€ ๊ฒ๋‹ˆ๋‹ค.
02:29
But memory storage is a different story.
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ํ•˜์ง€๋งŒ ์ €์žฅ ๊ณต๊ฐ„ ์ชฝ์€ ์–˜๊ธฐ๊ฐ€ ๋‹ค๋ฆ…๋‹ˆ๋‹ค.
02:31
The transfer of moment-to-moment understanding
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์ˆœ๊ฐ„์ˆœ๊ฐ„์˜ ์ดํ•ด๋ฅผ ๊ธฐ์–ต์œผ๋กœ ๋ฐ”๊พธ๋Š” ๊ฒƒ์€
02:34
to something we can remember is thought to depend on a process
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LTP, ์ฆ‰, ์žฅ๊ธฐ ๊ฐ•ํ™”๋ผ๋Š” ๊ณผ์ •์— ์˜์กดํ•œ๋‹ค๊ณ  ์ƒ๊ฐ๋ฉ๋‹ˆ๋‹ค.
02:38
called long-term potentiation, or LTP.
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02:41
LTP happens throughout the brain,
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LTP๋Š” ๋‡Œ ์ „์ฒด์—์„œ ์ผ์–ด๋‚˜์ง€๋งŒ
02:43
but is especially important in learning and memory regions,
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์‹ ํ”ผ์งˆ๊ณผ ํ•ด๋งˆ์™€ ๊ฐ™์€
02:46
like the neocortex and the hippocampus.
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ํ•™์Šต๊ณผ ๊ธฐ์–ต ์˜์—ญ์— ํŠนํžˆ ์ค‘์š”ํ•ฉ๋‹ˆ๋‹ค.
02:49
During LTP,
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LTP๊ฐ€ ์ง„ํ–‰๋˜๋Š” ๋™์•ˆ
02:50
the firing of a neuron triggers physical changes to its structure.
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๋‰ด๋Ÿฐ์˜ ๋ฐœํ™”๋Š” ๊ทธ ๊ตฌ์กฐ์— ๋ฌผ๋ฆฌ์ ์ธ ๋ณ€ํ™”๋ฅผ ์ผ์œผํ‚ต๋‹ˆ๋‹ค.
02:54
For example, more receptors may be moved to the cell's surface,
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์˜ˆ๋ฅผ ๋“ค๋ฉด ๋” ๋งŽ์€ ์ˆ˜์šฉ์ฒด๊ฐ€ ์„ธํฌ ํ‘œ๋ฉด์œผ๋กœ ์ด๋™ํ•˜์—ฌ
02:57
making the neuron more sensitive to future signaling from its neighbors.
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์ดํ›„ ์˜†์—์„œ ์ „๋‹ฌ๋˜๋Š” ์‹ ํ˜ธ์— ๋‰ด๋Ÿฐ์ด ๋” ๋ฏผ๊ฐํ•ด์ง€๋„๋ก ๋งŒ๋“ค์ฃ .
03:01
These physical changes increase the likelihood that a cell
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์ด๋Ÿฌํ•œ ๋ฌผ๋ฆฌ์  ๋ณ€ํ™”๋Š” ์„ธํฌ๊ฐ€ ํ•ด๋‹น ์—ฐ๊ฒฐ์—์„œ ๋‹ค์‹œ ๋ฐœํ™”ํ•˜์—ฌ
03:04
will fire again at that connection,
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03:06
strengthening the wiring between neurons.
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๋‰ด๋Ÿฐ๋ผ๋ฆฌ ๋” ๊ฐ•ํ•˜๊ฒŒ ์—ฐ๊ฒฐ๋  ํ™•๋ฅ ์„ ๋†’์ž…๋‹ˆ๋‹ค.
03:09
And through this stronger connection,
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๊ทธ๋ฆฌ๊ณ  ๋” ๊ฐ•ํ•ด์ง„ ๊ฒฐ์†์„ ํ†ตํ•ด ์•ˆ์ •๋œ ๊ธฐ์–ต์ด ํ˜•์„ฑ๋œ๋‹ค๊ณ  ์—ฌ๊ฒจ์ง‘๋‹ˆ๋‹ค.
03:10
it's thought that a stable memory is formed.
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03:13
Yet studies suggest that ethanol has a unique ability to disrupt LTP,
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๊ทธ๋Ÿฌ๋‚˜ ์—ฐ๊ตฌ๋“ค์€ ์—ํƒ„์˜ฌ์ด ๊ธฐ์–ต ํ˜•์„ฑ์— ํ•„์š”ํ•œ ๋ฌผ๋ฆฌ์  ๋ณ€ํ™”๋ฅผ ์ฐจ๋‹จํ•˜๋ฉด์„œ
03:18
blocking the physical changes needed for memory formation.
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LTP๋ฅผ ๋ฐฉํ•ดํ•˜๋Š” ๋…ํŠนํ•œ ๋Šฅ๋ ฅ์ด ์žˆ๋‹ค๊ณ  ๋งํ•ฉ๋‹ˆ๋‹ค.
03:21
So, while moment-to-moment information is encoded and understood,
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๊ทธ๋ž˜์„œ ์ˆœ๊ฐ„์ˆœ๊ฐ„์˜ ์ •๋ณด๋Š” ํ•ด์„๋˜๊ณ  ์ดํ•ดํ•  ์ˆ˜ ์žˆ์ง€๋งŒ
03:25
the storage of that information is blunted,
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์ •๋ณด์˜ ์ €์žฅ ์ฒ˜๋ฆฌ๊ฐ€ ๋‘”ํ•ด์ง€๋ฉด์„œ ๊ฒฐ๊ตญ ๋ธ”๋ž™์•„์›ƒ์ด ๋ฐœ์ƒํ•ฉ๋‹ˆ๋‹ค.
03:27
resulting in a blackout.
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03:29
Of course, not all levels of drinking result in blackouts.
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๋ฌผ๋ก  ๋ชจ๋“  ์Œ์ฃผ๊ฐ€ ๋ธ”๋ž™์•„์›ƒ์œผ๋กœ ์ด์–ด์ง€๋Š” ๊ฑด ์•„๋‹™๋‹ˆ๋‹ค.
03:32
They happen when the concentration of alcohol in the blood, or BAC,
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BAC, ์ฆ‰, ํ˜ˆ์ค‘ ์•Œ์ฝ”์˜ฌ ๋†๋„๊ฐ€
03:36
exceeds a certain level, approximately 0.16.
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์•ฝ 0.16์ด๋ผ๋Š” ํŠน์ •ํ•œ ์ˆ˜์ค€์„ ๋„˜์–ด๊ฐˆ ๋•Œ ๋ฐœ์ƒํ•˜์ฃ .
03:40
But thereโ€™s no magic number.
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ํ•˜์ง€๋งŒ ๊ทธ ์ดํ•˜๋„ ์•ˆ์‹ฌํ•˜๊ธด ์ด๋ฆ…๋‹ˆ๋‹ค.
03:41
At slightly lower BACs, brownouts, or the spotty memory of events, can occur,
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์•ฝ๊ฐ„ ๋‚ฎ์€ BAC์—์„œ๋„ ๋ธŒ๋ผ์šด์•„์›ƒ, ์ฆ‰ ๋ถˆ์™„์ „ํ•œ ๊ธฐ์–ต์ด ๋ฐœ์ƒํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
03:46
as some neurons continue to function properly while others fail.
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์ผ๋ถ€ ๋‰ด๋Ÿฐ์ด ์ œ๋Œ€๋กœ ์ž‘๋™ํ•˜์ง€๋งŒ ๋‚˜๋จธ์ง€๋Š” ๊ทธ๋Ÿฌ์ง€ ๋ชปํ•˜๋Š” ๊ฒฝ์šฐ์ฃ .
03:50
And drinking too much can cause a person to pass out altogether.
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๋˜ ๋„ˆ๋ฌด ๋งŽ์ด ๋งˆ์‹œ๋ฉด ์™„์ „ํžˆ ๊ธฐ์ ˆํ•  ์ˆ˜๋„ ์žˆ์Šต๋‹ˆ๋‹ค.
03:54
Other factors like dehydration level, genetic differences, medications,
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ํƒˆ์ˆ˜ ์ˆ˜์ค€, ์œ ์ „์  ์ฐจ์ด, ์•ฝ๋ฌผ ๋ณต์šฉ, ์‹ฌ์ง€์–ด๋Š” ์‹์‚ฌ๋Ÿ‰ ๊ฐ™์€ ๋‹ค๋ฅธ ์š”์ธ๋„
03:58
and even how much youโ€™ve eaten can affect the likelihood of a blackout.
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๋ธ”๋ž™์•„์›ƒ์˜ ๊ฐ€๋Šฅ์„ฑ์— ์˜ํ–ฅ์„ ์ค„ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
04:02
And teenagers appear to be especially vulnerable
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์‹ญ ๋Œ€๋“ค์ด ํŠนํžˆ ์œ„ํ—˜ํ•ด ๋ณด์ด๋Š”๋ฐ
04:05
due to the substantial changes in brain development during those years.
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๋‡Œ ๋ฐœ๋‹ฌ์— ํฐ ๋ณ€ํ™”๊ฐ€ ์žˆ๋Š” ์‹œ๊ธฐ์ด๊ธฐ ๋•Œ๋ฌธ์ž…๋‹ˆ๋‹ค.
04:08
Alcoholโ€™s short-term effects usually donโ€™t last longer
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์•Œ์ฝ”์˜ฌ์˜ ๋‹จ๊ธฐ์ ์ธ ์˜ํ–ฅ์€ ๋ชธ ์†์—์„œ ๋Œ€์‚ฌ๊ฐ€ ๋๋‚˜๊ธฐ ์ „๊นŒ์ง€์ด๊ณ 
04:11
than the time it takes for their body to metabolize it, or about a day.
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๊ธธ์–ด์•ผ ํ•˜๋ฃจ ์ •๋„์ž…๋‹ˆ๋‹ค.
04:15
But repeatedly over-drinking can damage neurons and permanently impair memory.
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ํ•˜์ง€๋งŒ ๋ฐ˜๋ณต์ ์ธ ๊ณผ์Œ์€ ๋‰ด๋Ÿฐ ์†์ƒ๊ณผ ์˜๊ตฌ์ ์ธ ๊ธฐ์–ต๋ ฅ ์•…ํ™”๋ฅผ ๊ฐ€์ ธ์˜ต๋‹ˆ๋‹ค.
04:19
It can also harm other organs like the liver,
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๋˜ ๊ฐ„ ๋“ฑ ๋‹ค๋ฅธ ์žฅ๊ธฐ์—๋„ ํ•ด๋กญ์Šต๋‹ˆ๋‹ค.
04:22
which works overtime breaking down alcohol.
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์•Œ์ฝ”์˜ฌ์„ ๋ถ„ํ•ดํ•˜๋Š๋ผ ๋ฌด๋ฆฌํ•˜๊ฑฐ๋“ ์š”.
04:25
After all, experiencing a blackout or witnessing others
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์•„๋ฌดํŠผ, ๋ธ”๋ž™์•„์›ƒ์„ ๊ฒฝํ—˜ํ•˜๊ฑฐ๋‚˜
์ด๋ ‡๊ฒŒ ๊ณ ์žฅ๋‚œ ์ด๋“ค์„ ์ง€์ผœ๋ณด๋Š” ๊ฑด
04:28
in this compromised state
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04:30
can be a lot for your mind and body to process.
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์œก์ฒด์ ์œผ๋กœ๋“  ์ •์‹ ์ ์œผ๋กœ๋“  ํฐ์ผ์ด ๋  ์ˆ˜ ์žˆ๊ฒ ์ฃ .
์ด ์›น์‚ฌ์ดํŠธ ์ •๋ณด

์ด ์‚ฌ์ดํŠธ๋Š” ์˜์–ด ํ•™์Šต์— ์œ ์šฉํ•œ YouTube ๋™์˜์ƒ์„ ์†Œ๊ฐœํ•ฉ๋‹ˆ๋‹ค. ์ „ ์„ธ๊ณ„ ์ตœ๊ณ ์˜ ์„ ์ƒ๋‹˜๋“ค์ด ๊ฐ€๋ฅด์น˜๋Š” ์˜์–ด ์ˆ˜์—…์„ ๋ณด๊ฒŒ ๋  ๊ฒƒ์ž…๋‹ˆ๋‹ค. ๊ฐ ๋™์˜์ƒ ํŽ˜์ด์ง€์— ํ‘œ์‹œ๋˜๋Š” ์˜์–ด ์ž๋ง‰์„ ๋”๋ธ” ํด๋ฆญํ•˜๋ฉด ๊ทธ๊ณณ์—์„œ ๋™์˜์ƒ์ด ์žฌ์ƒ๋ฉ๋‹ˆ๋‹ค. ๋น„๋””์˜ค ์žฌ์ƒ์— ๋งž์ถฐ ์ž๋ง‰์ด ์Šคํฌ๋กค๋ฉ๋‹ˆ๋‹ค. ์˜๊ฒฌ์ด๋‚˜ ์š”์ฒญ์ด ์žˆ๋Š” ๊ฒฝ์šฐ ์ด ๋ฌธ์˜ ์–‘์‹์„ ์‚ฌ์šฉํ•˜์—ฌ ๋ฌธ์˜ํ•˜์‹ญ์‹œ์˜ค.

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