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Related Concept Videos

REM Sleep Behavior Disorder01:15

REM Sleep Behavior Disorder

REM Sleep Behavior Disorder (RBD) is a sleep disorder characterized by the absence of muscle paralysis that normally occurs during the REM phase of sleep. This absence allows individuals to physically act out their dreams, which are often vivid and disturbing. Common behaviors exhibited during episodes include kicking, punching, and yelling. These actions can be dangerous, potentially leading to injuries for the person with RBD or their bed partner.
RBD is significantly associated with...
Sleepwalking and Sleep Talking01:17

Sleepwalking and Sleep Talking

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.
Factors that increase the likelihood of sleepwalking include sleep deprivation and alcohol consumption. Contrary to common beliefs, it is safe...
Substance Use Disorders Affecting Sleep01:24

Substance Use Disorders Affecting Sleep

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.
Understanding the concepts of physical dependence,...
Stages of Sleep01:22

Stages of Sleep

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...
Sleep-Wake Cycles01:24

Sleep-Wake Cycles

Sleep is an essential physiological process vital to maintaining overall well-being. The reticular activating system (RAS), a network of neurons in the brainstem, regulates wakefulness and sleep. While it may seem passive, sleep consists of distinct cycles, each with its unique characteristics and functions. Two key sleep phases are non-rapid eye movement (NREM) and  rapid eye movement (REM).
NREM Sleep
NREM sleep comprises four progressive stages that seamlessly merge:
Nightmares and Night Terrors01:18

Nightmares and Night Terrors

Nightmares and night terrors represent two distinct types of sleep disturbances that differ in timing, characteristics, and the sleeper's recall of the event. Nightmares are vivid, disturbing dreams that usually awaken the sleeper from REM sleep, a stage of sleep where brain activity is high, and dreams are most frequent. Upon awakening, individuals often have detailed recollections of their nightmares, which can include themes of threats to survival, security, or self-esteem.
Nightmares often...

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A Chronic Sleep Fragmentation Model using Vibrating Orbital Rotor to Induce Cognitive Deficit and Anxiety-Like Behavior in Young Wild-Type Mice
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Violence in sleep.

Francesca Siclari1, Ramin Khatami, Frank Urbaniok

  • 1Department of Neurology, University Hospital Zürich, Switzerland.

Brain : a Journal of Neurology
|December 4, 2010
PubMed
Summary
This summary is machine-generated.

Violence and sleep can occur together, contrary to common belief. This review explores sleep disorders linked to violence, aiding diagnosis, treatment, and forensic understanding.

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Area of Science:

  • Neuroscience
  • Sleep Medicine
  • Psychiatry
  • Forensic Neurology

Background:

  • Violence and sleep are often viewed as mutually exclusive phenomena.
  • However, violence occurring during sleep periods is more common than typically recognized.
  • This phenomenon is associated with various neurological and psychiatric conditions.

Purpose of the Study:

  • To review sleep disorders associated with violent behaviors.
  • To provide insights into the diagnosis and therapeutic management of sleep-related violence.
  • To discuss current pathophysiological models linking sleep and violence.

Main Methods:

  • Literature review of studies on sleep disorders and violence.
  • Analysis of genetic, neuroimaging, and behavioral neurology findings.
  • Discussion of clinical cases and diagnostic criteria.

Main Results:

  • Violence can manifest in conditions like parasomnias (arousal disorders, REM sleep behavior disorder), epilepsy (nocturnal frontal lobe epilepsy), and psychiatric disorders (delirium, dissociative states).
  • Advances in genetics, neuroimaging, and behavioral neurology have improved understanding of underlying mechanisms.
  • Sleep-related violence shares pathophysiological links with violence in other contexts.

Conclusions:

  • Sleep disorders represent a significant, often overlooked, cause of violent behavior.
  • Comprehensive understanding is crucial for accurate diagnosis, effective treatment, and forensic evaluation.
  • Further research into the neurobiology of sleep-related violence is warranted.