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Cuplikan kuliah tentang ilmu tidur

Nama:Tanggal:

Bagian dari kuliah mahasiswa tahun pertama universitas tentang tidur.

Audio dan pemeriksaan jawaban: https://joy-english.com/id/listening/sleep-science-lecture

Gagasan utama dan sikap

Simak cuplikan kuliah tersebut. Pilih jawaban yang paling tepat.

What is the lecturer's main aim in this extract?
- a) To persuade students to sleep for exactly eight hours
- b) To describe a single experiment in detail
- c) To introduce key ideas about sleep and question some popular beliefs
- d) To teach techniques for remembering lists of words
What common misunderstanding does the lecturer describe first?
- a) That dreaming only happens in deep sleep
- b) That the brain is mostly inactive during sleep
- c) That teenagers need less sleep than adults
- d) That sleep has no connection with memory
In the experiment, what usually happens to the volunteers who sleep?
- a) They remember more of what they learned
- b) They remember the same amount as the others
- c) They forget most of what they learned
- d) They need more time to learn new material
According to the current explanation, what does the brain do during deep sleep?
- a) It rests completely so that it can work the next day
- b) It creates new words and images
- c) It deletes all unimportant information
- d) It replays experiences and stores important information for longer
What is the lecturer's attitude to headlines about naps and exam results?
- a) He thinks they exaggerate what the research shows
- b) He thinks they are accurate but too simple
- c) He thinks naps are more useful than night-time sleep
- d) He thinks students should test the claims themselves
What does the lecturer suggest about teenagers who find it hard to get up early?
- a) They should go to bed much earlier
- b) They are usually being lazy
- c) They need less sleep than younger children
- d) Their body clock may make it genuinely difficult
What does the lecturer imply about the eight-hour rule?
- a) It is supported by all recent research
- b) It only applies to teenagers
- c) It is too simple to fit everyone
- d) It is the best rule for students to follow
What should students do before the next class?
- a) Repeat the memory experiment at home
- b) Read a chapter and keep a diary of their sleep
- c) Write a short essay about dreams
- d) Take a short nap each afternoon

Menyimak detail

Dengarkan lagi dan ketik kata atau angka yang hilang. Kamu boleh menulis angka dengan kata atau digit.

We spend roughly a ___ of our lives asleep.
Each sleep cycle lasts roughly ___ minutes.
In the experiment, volunteers learn a list of word ___ in the evening.
In teenagers, the internal clock often shifts later by around ___ hours.
Most adults seem to need between seven and ___ hours of sleep.
For next week, students should read chapter ___.

Kunci jawaban

Gagasan utama dan sikap

c) To introduce key ideas about sleep and question some popular beliefsIa menyajikan beberapa gagasan dari penelitian tidur dan menantang keyakinan umum, seperti tidur sebagai keadaan yang tetap dan aturan delapan jam.
b) That the brain is mostly inactive during sleepBanyak orang membayangkan tidur sebagai keadaan yang tetap, seperti mematikan komputer, padahal otak sangat sibuk di malam hari.
a) They remember more of what they learnedKelompok yang tidur biasanya mengingat jauh lebih banyak keesokan harinya.
d) It replays experiences and stores important information for longerOtak memutar ulang pengalaman hari itu dan memindahkan informasi penting ke penyimpanan jangka panjang.
a) He thinks they exaggerate what the research showsIa memperingatkan bahwa penelitiannya kecil dan sederhana, dan mengatakan tidur siang tidak akan menggandakan hasilmu.
d) Their body clock may make it genuinely difficultJam internal remaja cenderung bergeser lebih malam, jadi mereka belum tentu malas.
c) It is too simple to fit everyoneMenurutnya aturan itu agak terlalu rapi, karena jumlah tidur yang dibutuhkan berbeda-beda pada setiap orang.
b) Read a chapter and keep a diary of their sleepIa meminta mereka membaca satu bab dan mencatat kapan mereka tidur dan bangun.

Menyimak detail

thirdIa mengatakan kita menghabiskan sekitar sepertiga hidup untuk tidur.
ninety / 90Kita melewati siklus sekitar sembilan puluh menit.
pairsPara sukarelawan mempelajari daftar pasangan kata.
two / 2Jam internal cenderung bergeser lebih malam, sering kali sekitar dua jam.
nine / 9Kebanyakan orang dewasa tampaknya membutuhkan antara tujuh dan sembilan jam.
four / 4Ia meminta para mahasiswa membaca bab empat.

Transkrip

Lecturer: Good morning, everyone. Last week we looked at how memories are formed. Today I want to turn to something we spend roughly a third of our lives doing, yet rarely think about: sleep.

Lecturer: Let's begin with a common misunderstanding. Many people imagine sleep as a single, steady state, rather like switching off a computer. In fact, the brain is remarkably busy at night. We move through cycles of roughly ninety minutes, passing from light sleep into deep sleep and then into what's known as rapid eye movement sleep, when most vivid dreaming happens.

Lecturer: So why does this matter for learning? In one well-known type of experiment, volunteers learn a list of word pairs in the evening. Half of them then sleep normally, while the other half stay awake. The next day, the group that slept typically remembers noticeably more.

Lecturer: The current explanation is that during deep sleep, the brain replays the day's experiences and moves important information into longer-term storage. Now, a word of caution. These studies are usually small, and they test fairly simple tasks, so I'd be careful about headlines claiming that a short nap will double your exam results. It won't.

Lecturer: The second idea I'd like you to take away concerns timing. Each of us has an internal clock that tells the body when to feel alert and when to feel sleepy. In teenagers, this clock tends to shift later, often by around two hours. So a sixteen-year-old who can't fall asleep before midnight isn't necessarily being lazy when they struggle to get up at seven.

Lecturer: Finally, you've probably heard that everyone needs exactly eight hours a night. Personally, I find that rule rather too neat. Most adults seem to need somewhere between seven and nine, and the right amount genuinely varies from person to person.

Lecturer: For next week, please read chapter four, and keep a simple diary of when you go to bed and when you wake up. We'll compare the results in the seminar.