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ielts reading test - Sleep helps reduce errors in memory

A

Sleep may reduce mistakes in memory, according to a first-of-its-kind study led by a scientist at Michigan State University.

B

The findings, which appear in the September issue of the journal Learning & Memory, have practical implications for many people, from students doing multiple-choice tests to elderly people confusing their medicine, says Kimberly Fenn, principal investigator and assistant professor of psychology.

C

‘It’s easy to muddle things in your mind,’ Fenn says. This research suggests that after sleep, you’re better able to pick out the incorrect parts of that memory.’ Fenn and colleagues from the University of Chicago and Washington University in St Louis studied the presence of incorrect or false memory in groups of college students. While previous research has shown that sleep improves memory, this study is the first one that looks at errors in memory, she said.

D

Study participants were ‘trained’ by being shown or listening to lists of words. Then, twelve hours later, they were shown individual words and asked to identify which words they had seen or heard in the earlier session. One group of students was trained at 10 a.m. and tested at 10 p.m. after the course of a normal sleepless day. Another group was trained at night and tested twelve hours later in the morning, after about six hours of sleep. Three experiments were conducted. In each experiment, the results showed that students who had slept did not have as many problems with false memory and chose fewer incorrect words.

E

How does sleep help? The answer isn’t known, Fenn said, but she suspects it may be due to sleep strengthening the source of the memory. The source, or context in which the information is acquired, is a vital element of the memory process.

F

In other words, it may be easier to remember something if you can also remember where you first heard or saw it. Or perhaps the people who didn’t sleep as much during the study received so much other information during the day that this affected their memory ability, Fenn said.

G

Further research is needed, she said, adding that she plans to study different population groups, particularly the elderly. ‘We know older individuals generally have worse memory performance than younger individuals.

H

We also know from other research that elderly individuals tend to be more prone to false memories,’ Fenn said. ‘Given the work we’ve done, it’s possible that sleep may actually help them to reject this false information. And potentially this could help to improve their quality of life.

reduce (verb): Make smaller or less in size, amount, or degree.
Sentence: Exercise can help reduce stress levels.

mistakes (noun): Errors or faults in action or judgment.
Sentence: The student realized his mistakes after reviewing his test.

memory (noun): The faculty by which the mind stores and remembers information.
Sentence: I have a good memory for faces.

implications (noun): The likely consequences or effects of an action or decision.
Sentence: The new regulations have significant implications for businesses.

practical (adjective): Of or concerned with the actual doing or use of something rather than with theory and ideas.
Sentence: The workshop provided practical advice on time management.

muddle (verb): Bring into a disordered or confusing state.
Sentence: She muddled up the dates and missed the appointment.

false (adjective): Not in accordance with the truth or facts; incorrect or mistaken.
Sentence: He gave false information about his qualifications.

vital (adjective): Absolutely necessary or important; essential.
Sentence: Good communication skills are vital in a customer service job.

strengthen (verb): Make or become stronger.
Sentence: Regular exercise can strengthen your muscles.

reject (verb): Dismiss as inadequate, inappropriate, or not to one's taste.
Sentence: The panel rejected his proposal for the new project.

Sleep can potentially reduce mistakes in memory.

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The research findings appear in the August issue of the journal Learning & Memory.

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Kimberly Fenn is the principal investigator and assistant professor of psychology at Washington University.

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The study focused on the presence of correct memory in groups of college students.

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Participants were tested on their memory after six hours of sleep.

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Students who had slept encountered more problems with false memory and chose more incorrect words.

Correct! Wrong!

The source of the memory is considered a vital element in the memory process.

Correct! Wrong!

The research suggests that sleep helps individuals reject false information.

Correct! Wrong!

Fenn plans to study different population groups, especially college students.

Correct! Wrong!

Sleep improves memory capacity.

Correct! Wrong!

ielts reading test - Sleep helps reduce errors in memory (T & F)

What is the main focus of the study led by a scientist at Michigan State University?
Answer: The study focuses on the relationship between sleep and memory.

Which journal features the findings of the study?
Answer: The findings appear in the journal Learning & Memory.

According to Kimberly Fenn, what are the practical implications of the study?
Answer: The study has practical implications for students taking multiple-choice tests and elderly individuals dealing with medication confusion.

How does sleep affect memory accuracy, according to the research?
Answer: Sleep improves memory accuracy by reducing mistakes.

What did the study investigate in groups of college students?
Answer: The study investigated the presence of incorrect or false memory.

How were the study participants "trained"?
Answer: The participants were shown or listened to lists of words.

When were the participants tested on their memory recall?
Answer: The participants were tested twelve hours after the training session.

What were the results of the study in terms of false memory and incorrect word choices?
Answer: Students who had slept had fewer problems with false memory and chose fewer incorrect words.

What does Kimberly Fenn suspect as a possible reason for sleep's effect on memory?
Answer: Fenn suspects that sleep strengthens the source/context of the memory.

Which population group does Fenn plan to study in future research?
Answer: Fenn plans to study different population groups, particularly the elderly.

According to the study, sleep may ______ mistakes in memory.

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The research findings mentioned in the paragraph appear in which journal?

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Who led the first-of-its-kind study on the relationship between sleep and memory?

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Sleep has practical implications for which groups of people?

Please select 2 correct answers

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What does the research suggest about sleep and memory?

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In the study, participants were tested on their memory after ______ hours of sleep.

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What did the results of the study show about students who had slept?

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According to Fenn, what is a vital element of the memory process?

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What is one possible reason suggested by Fenn for the link between sleep and memory?

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Which population group does Fenn plan to study in future research?

Correct! Wrong!

ielts reading test - Sleep helps reduce errors in memory - Quiz

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