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Related Concept Videos

Insufficient Sleep and Sleep Deprivation01:13

Insufficient Sleep and Sleep Deprivation

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Insufficient sleep refers to not getting the recommended amount of sleep for optimal functioning, even if it's just slightly less than needed. Sleep insufficiency may occur due to lifestyle choices, such as staying up late for social events or work, resulting in routinely getting less sleep than required. For example, consistently sleeping 6 hours when the body needs 7-9 hours can lead to cumulative effects on health and well-being.
Sleep deprivation is a more severe form of sleep loss...
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Stages of Sleep01:22

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Sleep progresses through distinct stages, each characterized by specific brain wave patterns and physiological responses ranging from wakefulness to stages of non-rapid eye movement, known as non-REM, to rapid eye movement, referred to as REM. Understanding these stages helps in recognizing how sleep supports various bodily and cognitive functions.
Before sleep begins, in wakefulness, the brain exhibits primarily beta waves, which are high in frequency and low in amplitude, indicating alertness...
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Understanding Sleep01:11

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Sleep, an essential biological state, involves significant reductions in physical activity, sensory awareness, and interaction with the environment. This complex physiological process is primarily regulated by specific brain regions, notably the hypothalamus and pons, which govern the sleep-wake cycle or circadian rhythm.
The circadian rhythm, a nearly 24-hour cycle, is deeply influenced by environmental light cues. Light exposure directly affects the hypothalamus, which in turn regulates...
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Sleep Apnea01:21

Sleep Apnea

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Sleep apnea is a condition where breathing stops intermittently during sleep, often leading to significant health issues. Each episode can last from 10 to 20 seconds or more and is frequently accompanied by a brief arousal from sleep. This disturbance, largely unnoticed by the individual, can lead to severe daytime fatigue. Commonly, individuals seek help after being informed by their partners about loud snoring and noticeable breathing pauses during sleep.
The condition is more prevalent among...
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Sleepwalking and Sleep Talking01:17

Sleepwalking and Sleep Talking

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Somnambulism, commonly known as sleepwalking, involves individuals engaging in activities ranging from simple walking to more complex behaviors such as driving. Sleepwalking typically occurs during the slow-wave sleep stages 3 and 4 early in the night when the person is not dreaming, contradicting the myth that sleepwalkers are acting out their dreams.
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Substance Use Disorders Affecting Sleep01:24

Substance Use Disorders Affecting Sleep

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Substance use disorders involve a pattern of using drugs more extensively than intended and continuing use despite harmful consequences. This includes legal substances like alcohol and nicotine, as well as illegal drugs. These disorders often involve both physical and psychological dependence, reflecting compulsive use of substances that significantly alter thoughts, feelings, and behaviors, contributing to a major public health issue.
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The Sleep Nullifying Apparatus: A Highly Efficient Method of Sleep Depriving Drosophila
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Sleep deprivation, effort allocation and performance.

Stijn A A Massar1, Julian Lim1, Scott A Huettel2

  • 1Centre for Cognitive Neuroscience, Neuroscience and Behavioural Disorders Programme, Duke-NUS Medical School, Singapore, Singapore.

Progress in Brain Research
|May 11, 2019
PubMed
Summary
This summary is machine-generated.

Sleep deprivation impairs cognitive performance by reducing capacity and motivation. However, extrinsic motivation can help individuals exert more effort, partially overcoming these deficits.

Keywords:
Decision-makingEffortMotivationPerformanceRewardSleep deprivation

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Area of Science:

  • Cognitive Neuroscience
  • Sleep Science
  • Psychology

Background:

  • Sleep deprivation induces physiological changes impacting cognitive functions like arousal and attention.
  • Cognitive performance relies on limited capacity, which is further challenged by sleep loss.
  • Sleep loss diminishes motivation and increases perceived effort, negatively affecting performance.

Purpose of the Study:

  • To review research on the relationship between sleep deprivation, effort, and cognitive performance.
  • To integrate findings into an effort-based decision-making framework.
  • To discuss practical implications for healthy and clinical populations.

Main Methods:

  • Review of current scientific literature on sleep deprivation, effort, and performance.
  • Integration of findings into a theoretical framework.
  • Analysis of implications for work productivity and clinical conditions.

Main Results:

  • Sleep deprivation negatively affects cognitive performance through capacity limitations and reduced motivation.
  • Extrinsic motivation (e.g., incentives) can increase effort and partially mitigate performance decrements.
  • Sleep-related performance impairments may stem from a voluntary decision to reduce effort.

Conclusions:

  • Cognitive performance deficits from sleep deprivation can be viewed through an effort-based decision-making lens.
  • Motivation plays a crucial role in modulating the impact of sleep loss on performance.
  • Understanding this interplay has implications for optimizing performance in various settings.