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Updated on: 20 Feb 2024, 10:45
Originally posted by parthwagh on 20 Feb 2024, 00:57.
Last edited by Sajjad1994 on 20 Feb 2024, 10:45, edited 1 time in total.
Last edited by Sajjad1994 on 20 Feb 2024, 10:45, edited 1 time in total.
Formatted
Kudos
Bookmarks
Question 1
B
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
15%
(low)
Question Stats:
84% (02:06) correct
16%
(00:51) wrong
based on 45
sessions
History
Date
Time
Result
Not Attempted Yet
Question 2
E
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
15%
(low)
Question Stats:
91% (00:30) correct 9%
(00:32) wrong
based on 35
sessions
History
Date
Time
Result
Not Attempted Yet
Question 3
C
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
45%
(medium)
Question Stats:
57% (01:07) correct 43%
(01:28) wrong
based on 37
sessions
History
Date
Time
Result
Not Attempted Yet
Sunlight has long been known to influence human behavior, but recent research delves deeper, revealing the intricate link between our internal timing system, or "circadian rhythm," and our cognitive abilities. This 24-hour biological cycle, regulated by light exposure, dictates everything from sleep-wake cycles to hormone release and even brainwave activity. Understanding how the circadian rhythm impacts peak performance holds significant implications for various aspects of our lives, from academic achievement to workplace productivity.Studies examining the cognitive consequences of misaligned circadian rhythms paint a clear picture. Individuals experiencing jet lag or shift work, where their sleep schedule clashes with their natural internal clock, exhibit declines in attention, memory, and reaction time. Sleep deprivation, a common issue in modern society, also disrupts the circadian rhythm, leading to similar cognitive impairments. Interestingly, even subtle variations in light exposure can affect performance. Research suggests that exposure to bright morning light can enhance alertness and cognitive function, while evening exposure to artificial blue light, emitted from electronic devices, can suppress melatonin production and disrupt sleep, hindering cognitive abilities the next day.
Optimizing performance, therefore, requires aligning external demands with our internal clock. The ideal scenario involves consistent sleep-wake schedules, with exposure to bright light in the morning and minimal blue light exposure in the evening. This synchronization allows the circadian rhythm to function optimally, ensuring peak cognitive function when it is most needed. Schools, for example, could adjust start times to better align with students' natural sleep patterns, potentially leading to improved academic performance. Similarly, workplaces could implement lighting protocols that mimic natural light fluctuations, promoting employee alertness and productivity.
Optimizing performance, therefore, requires aligning external demands with our internal clock. The ideal scenario involves consistent sleep-wake schedules, with exposure to bright light in the morning and minimal blue light exposure in the evening. This synchronization allows the circadian rhythm to function optimally, ensuring peak cognitive function when it is most needed. Schools, for example, could adjust start times to better align with students' natural sleep patterns, potentially leading to improved academic performance. Similarly, workplaces could implement lighting protocols that mimic natural light fluctuations, promoting employee alertness and productivity.
1. The main purpose of the passage is to:
(A) emphasize the importance of sunlight for human health.
(B) describe the impact of circadian rhythm on cognitive function.
(C) argue for changes in sleep schedules based on circadian rhythms.
(D) explore the potential benefits of artificial blue light exposure.
(E) compare the effects of jet lag and shift work on cognitive performance.
(A) emphasize the importance of sunlight for human health.
(B) describe the impact of circadian rhythm on cognitive function.
(C) argue for changes in sleep schedules based on circadian rhythms.
(D) explore the potential benefits of artificial blue light exposure.
(E) compare the effects of jet lag and shift work on cognitive performance.
2. Based on the passage, which of the following is LEAST likely to improve cognitive function?
(A) Maintaining a consistent sleep schedule.
(B) Getting adequate sleep (7-8 hours per night).
(C) Exposing oneself to bright light in the morning.
(D) Limiting blue light exposure before bed.
(E) Napping for extended periods during the day.
(A) Maintaining a consistent sleep schedule.
(B) Getting adequate sleep (7-8 hours per night).
(C) Exposing oneself to bright light in the morning.
(D) Limiting blue light exposure before bed.
(E) Napping for extended periods during the day.
3. The author implies that research on the circadian rhythm could be applied to which of the following?
(A) Developing new medications for jet lag.
(B) Designing light therapy treatments for seasonal affective disorder.
(C) Creating personalized sleep schedules based on individual circadian rhythms.
(D) Improving the safety of air travel by adjusting flight schedules.
(E) Encouraging workplaces to offer later start times for all employees.
(A) Developing new medications for jet lag.
(B) Designing light therapy treatments for seasonal affective disorder.
(C) Creating personalized sleep schedules based on individual circadian rhythms.
(D) Improving the safety of air travel by adjusting flight schedules.
(E) Encouraging workplaces to offer later start times for all employees.
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