Sleep deprivation impairs working memory on the basis of given data. Given: The results of likelihood ratio test (LTR) and PLUS tests are given in the Table 1: Table 1: The accuracy and reaction time of well-rested (RW) and sleep-deprived (SD) subjects. Sleep-deprived-24 (SD24) refers to subjects who were SD for 24 hours and SD35 for 35 hours. LTR and PLUS are the two types of tests which were conducted. A (*) indicates that there is a significant difference between SD and RW subjects. Introduction: In the LTR test, an image of four capital letters was shown to the subjects for 0.5 seconds. After 3 seconds, an image of a lower-case letter was shown for 1.5 seconds. The subjects had to press a button if the letter in the lower-case matched the capital letter shown before. In the PLUS test, an image of two capital letters was shown for 0.5 seconds. After three seconds, an image of a lower-case letter was shown for 1.5 seconds and the subjects had to press a button if it was the next letter to either of the capital letters shown earlier.

Question

Want to see more full solutions like this?

Answer 1

Question

Chapter 46, Problem 1Q

Summary Introduction

To review:

Sleep deprivation impairs working memory on the basis of given data.

Given:

The results of likelihood ratio test (LTR) and PLUS tests are given in the Table 1:

Table 1: The accuracy and reaction time of well-rested (RW) and sleep-deprived (SD) subjects.

Sleep-deprived-24 (SD24) refers to subjects who were SD for 24 hours and SD35 for 35 hours.

LTR and PLUS are the two types of tests which were conducted.

A (*) indicates that there is a significant difference between SD and RW subjects.

Introduction:

In the LTR test, an image of four capital letters was shown to the subjects for 0.5 seconds. After 3 seconds, an image of a lower-case letter was shown for 1.5 seconds. The subjects had to press a button if the letter in the lower-case matched the capital letter shown before.

In the PLUS test, an image of two capital letters was shown for 0.5 seconds. After three seconds, an image of a lower-case letter was shown for 1.5 seconds and the subjects had to press a button if it was the next letter to either of the capital letters shown earlier.

Expert Solution & Answer

Explanation of Solution

Both the tests were designed to test the memory of the subjects. The PLUS test was more complex and needed more cognitive processing.

It can be observed from the data shown in the table that the accuracy in both the tests was significantly reduced in SD24 subjects, and further reduced in those SD35 individuals.

The reaction time was significantly increased in the SD subjects in the PLUS test. However, in the LTR test, the SD24 had a significantly increased reaction time, but the SD35 did not show a significant increase.

Conclusion

Therefore, it can be concluded that the working memory is impaired by sleep deprivation as the accuracy of the sleep-deprived subjects is reduced and their reaction time is increased in memory-based tests.

Want to see more full solutions like this?

Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Students have asked these similar questions

help tutor please

Q8. A researcher wants to study the effectiveness of a pill intended to reduce stomach heartburn in pregnant women. The researcher chooses randomly 400 women to participate in this experiment for 9 months of their pregnancy period. They all need to have the same diet. The researcher designs two groups of 200 participants: One group take the real medication intended to reduce heartburn, while the other group take placebo medication. In this study what are: Independent variable: Dependent variable: Control variable: Experimental group: " Control group: If the participants do not know who is consuming the real pills and who is consuming the sugar pills. This study is It happens that 40% of the participants do not find the treatment helpful and drop out after 6 months. The researcher throws out the data from subjects that drop out. What type of bias is there in this study? If the company who makes the medication funds this research, what type of bias might exist in this research work?

How do I determine the inhertiance pattern from the pedigree diagram?

Answer 2

Question

Chapter 46, Problem 1Q

Summary Introduction

To review:

Sleep deprivation impairs working memory on the basis of given data.

Given:

The results of likelihood ratio test (LTR) and PLUS tests are given in the Table 1:

Table 1: The accuracy and reaction time of well-rested (RW) and sleep-deprived (SD) subjects.

Sleep-deprived-24 (SD24) refers to subjects who were SD for 24 hours and SD35 for 35 hours.

LTR and PLUS are the two types of tests which were conducted.

A (*) indicates that there is a significant difference between SD and RW subjects.

Introduction:

In the LTR test, an image of four capital letters was shown to the subjects for 0.5 seconds. After 3 seconds, an image of a lower-case letter was shown for 1.5 seconds. The subjects had to press a button if the letter in the lower-case matched the capital letter shown before.

In the PLUS test, an image of two capital letters was shown for 0.5 seconds. After three seconds, an image of a lower-case letter was shown for 1.5 seconds and the subjects had to press a button if it was the next letter to either of the capital letters shown earlier.

Expert Solution & Answer

Explanation of Solution

Both the tests were designed to test the memory of the subjects. The PLUS test was more complex and needed more cognitive processing.

It can be observed from the data shown in the table that the accuracy in both the tests was significantly reduced in SD24 subjects, and further reduced in those SD35 individuals.

The reaction time was significantly increased in the SD subjects in the PLUS test. However, in the LTR test, the SD24 had a significantly increased reaction time, but the SD35 did not show a significant increase.

Conclusion

Therefore, it can be concluded that the working memory is impaired by sleep deprivation as the accuracy of the sleep-deprived subjects is reduced and their reaction time is increased in memory-based tests.

Want to see more full solutions like this?

Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 3

Question

Chapter 46, Problem 1Q

Summary Introduction

To review:

Sleep deprivation impairs working memory on the basis of given data.

Given:

The results of likelihood ratio test (LTR) and PLUS tests are given in the Table 1:

Table 1: The accuracy and reaction time of well-rested (RW) and sleep-deprived (SD) subjects.

Sleep-deprived-24 (SD24) refers to subjects who were SD for 24 hours and SD35 for 35 hours.

LTR and PLUS are the two types of tests which were conducted.

A (*) indicates that there is a significant difference between SD and RW subjects.

Introduction:

In the LTR test, an image of four capital letters was shown to the subjects for 0.5 seconds. After 3 seconds, an image of a lower-case letter was shown for 1.5 seconds. The subjects had to press a button if the letter in the lower-case matched the capital letter shown before.

In the PLUS test, an image of two capital letters was shown for 0.5 seconds. After three seconds, an image of a lower-case letter was shown for 1.5 seconds and the subjects had to press a button if it was the next letter to either of the capital letters shown earlier.

Expert Solution & Answer

Explanation of Solution

Both the tests were designed to test the memory of the subjects. The PLUS test was more complex and needed more cognitive processing.

It can be observed from the data shown in the table that the accuracy in both the tests was significantly reduced in SD24 subjects, and further reduced in those SD35 individuals.

The reaction time was significantly increased in the SD subjects in the PLUS test. However, in the LTR test, the SD24 had a significantly increased reaction time, but the SD35 did not show a significant increase.

Conclusion

Therefore, it can be concluded that the working memory is impaired by sleep deprivation as the accuracy of the sleep-deprived subjects is reduced and their reaction time is increased in memory-based tests.

Want to see more full solutions like this?

Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 4

Question

Chapter 46, Problem 1Q

Summary Introduction

To review:

Sleep deprivation impairs working memory on the basis of given data.

Given:

The results of likelihood ratio test (LTR) and PLUS tests are given in the Table 1:

Table 1: The accuracy and reaction time of well-rested (RW) and sleep-deprived (SD) subjects.

Sleep-deprived-24 (SD24) refers to subjects who were SD for 24 hours and SD35 for 35 hours.

LTR and PLUS are the two types of tests which were conducted.

A (*) indicates that there is a significant difference between SD and RW subjects.

Introduction:

In the LTR test, an image of four capital letters was shown to the subjects for 0.5 seconds. After 3 seconds, an image of a lower-case letter was shown for 1.5 seconds. The subjects had to press a button if the letter in the lower-case matched the capital letter shown before.

In the PLUS test, an image of two capital letters was shown for 0.5 seconds. After three seconds, an image of a lower-case letter was shown for 1.5 seconds and the subjects had to press a button if it was the next letter to either of the capital letters shown earlier.

Expert Solution & Answer

Explanation of Solution

Both the tests were designed to test the memory of the subjects. The PLUS test was more complex and needed more cognitive processing.

It can be observed from the data shown in the table that the accuracy in both the tests was significantly reduced in SD24 subjects, and further reduced in those SD35 individuals.

The reaction time was significantly increased in the SD subjects in the PLUS test. However, in the LTR test, the SD24 had a significantly increased reaction time, but the SD35 did not show a significant increase.

Conclusion

Therefore, it can be concluded that the working memory is impaired by sleep deprivation as the accuracy of the sleep-deprived subjects is reduced and their reaction time is increased in memory-based tests.

Want to see more full solutions like this?

Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 5

Chapter 46, Problem 1Q

Summary Introduction

To review:

Sleep deprivation impairs working memory on the basis of given data.

Given:

The results of likelihood ratio test (LTR) and PLUS tests are given in the Table 1:

Table 1: The accuracy and reaction time of well-rested (RW) and sleep-deprived (SD) subjects.

Sleep-deprived-24 (SD24) refers to subjects who were SD for 24 hours and SD35 for 35 hours.

LTR and PLUS are the two types of tests which were conducted.

A (*) indicates that there is a significant difference between SD and RW subjects.

Introduction:

In the LTR test, an image of four capital letters was shown to the subjects for 0.5 seconds. After 3 seconds, an image of a lower-case letter was shown for 1.5 seconds. The subjects had to press a button if the letter in the lower-case matched the capital letter shown before.

In the PLUS test, an image of two capital letters was shown for 0.5 seconds. After three seconds, an image of a lower-case letter was shown for 1.5 seconds and the subjects had to press a button if it was the next letter to either of the capital letters shown earlier.

Expert Solution & Answer

Explanation of Solution

Both the tests were designed to test the memory of the subjects. The PLUS test was more complex and needed more cognitive processing.

It can be observed from the data shown in the table that the accuracy in both the tests was significantly reduced in SD24 subjects, and further reduced in those SD35 individuals.

The reaction time was significantly increased in the SD subjects in the PLUS test. However, in the LTR test, the SD24 had a significantly increased reaction time, but the SD35 did not show a significant increase.

Conclusion

Therefore, it can be concluded that the working memory is impaired by sleep deprivation as the accuracy of the sleep-deprived subjects is reduced and their reaction time is increased in memory-based tests.

Answer 6

Chapter 46, Problem 1Q

Summary Introduction

To review:

Sleep deprivation impairs working memory on the basis of given data.

Given:

The results of likelihood ratio test (LTR) and PLUS tests are given in the Table 1:

Table 1: The accuracy and reaction time of well-rested (RW) and sleep-deprived (SD) subjects.

Sleep-deprived-24 (SD24) refers to subjects who were SD for 24 hours and SD35 for 35 hours.

LTR and PLUS are the two types of tests which were conducted.

A (*) indicates that there is a significant difference between SD and RW subjects.

Introduction:

In the LTR test, an image of four capital letters was shown to the subjects for 0.5 seconds. After 3 seconds, an image of a lower-case letter was shown for 1.5 seconds. The subjects had to press a button if the letter in the lower-case matched the capital letter shown before.

In the PLUS test, an image of two capital letters was shown for 0.5 seconds. After three seconds, an image of a lower-case letter was shown for 1.5 seconds and the subjects had to press a button if it was the next letter to either of the capital letters shown earlier.

Expert Solution & Answer

Explanation of Solution

Both the tests were designed to test the memory of the subjects. The PLUS test was more complex and needed more cognitive processing.

It can be observed from the data shown in the table that the accuracy in both the tests was significantly reduced in SD24 subjects, and further reduced in those SD35 individuals.

The reaction time was significantly increased in the SD subjects in the PLUS test. However, in the LTR test, the SD24 had a significantly increased reaction time, but the SD35 did not show a significant increase.

Conclusion

Therefore, it can be concluded that the working memory is impaired by sleep deprivation as the accuracy of the sleep-deprived subjects is reduced and their reaction time is increased in memory-based tests.

Answer 7

Chapter 46, Problem 1Q

Summary Introduction

To review:

Sleep deprivation impairs working memory on the basis of given data.

Given:

The results of likelihood ratio test (LTR) and PLUS tests are given in the Table 1:

Table 1: The accuracy and reaction time of well-rested (RW) and sleep-deprived (SD) subjects.

Sleep-deprived-24 (SD24) refers to subjects who were SD for 24 hours and SD35 for 35 hours.

LTR and PLUS are the two types of tests which were conducted.

A (*) indicates that there is a significant difference between SD and RW subjects.

Introduction:

In the LTR test, an image of four capital letters was shown to the subjects for 0.5 seconds. After 3 seconds, an image of a lower-case letter was shown for 1.5 seconds. The subjects had to press a button if the letter in the lower-case matched the capital letter shown before.

In the PLUS test, an image of two capital letters was shown for 0.5 seconds. After three seconds, an image of a lower-case letter was shown for 1.5 seconds and the subjects had to press a button if it was the next letter to either of the capital letters shown earlier.

Answer 8

Expert Solution & Answer

Explanation of Solution

Both the tests were designed to test the memory of the subjects. The PLUS test was more complex and needed more cognitive processing.

It can be observed from the data shown in the table that the accuracy in both the tests was significantly reduced in SD24 subjects, and further reduced in those SD35 individuals.

The reaction time was significantly increased in the SD subjects in the PLUS test. However, in the LTR test, the SD24 had a significantly increased reaction time, but the SD35 did not show a significant increase.

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

Conclusion

Therefore, it can be concluded that the working memory is impaired by sleep deprivation as the accuracy of the sleep-deprived subjects is reduced and their reaction time is increased in memory-based tests.

Answer 12

Ch. 46.1 - Prob. 1R Ch. 46.1 - Prob. 2R Ch. 46.1 - Prob. 3R Ch. 46.1 - Prob. 4R Ch. 46.1 - Prob. 5R Ch. 46.2 - Prob. 1R Ch. 46.2 - Prob. 2R Ch. 46.2 - Prob. 3R Ch. 46.3 - Prob. 1R Ch. 46.3 - Prob. 2R

Concept explainers

Videos

Explanation of Solution

Want to see more full solutions like this?

Chapter 46 Solutions