Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Insufficient Sleep and Sleep Deprivation01:13

Insufficient Sleep and Sleep Deprivation

916
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...
916
General Anesthesia: Overview01:24

General Anesthesia: Overview

648
Anesthesia is a medical procedure that uses drugs for CNS suppression to enable painless surgeries and procedures. The selection of anesthetics is influenced by their pharmacokinetic properties, side effects, and patient characteristics. Various types of anesthesia include general, local, regional, spinal, and inhalational.
General anesthesia induces unconsciousness in the whole body, while the others target specific areas or sensations. It is administered to minimize adverse effects, maintain...
648
Stages of General Anesthesia01:22

Stages of General Anesthesia

1.6K
Various sedation levels offer significant advantages in facilitating procedural interventions for patients undergoing medical or invasive surgical procedures. These levels span from anxiolysis to general anesthesia, providing a spectrum of sedative effects to cater to specific patient needs. Anxiolysis reduces anxiety and is achieved through minimal sedation, enabling patients to remain awake and responsive while feeling more at ease during the procedure. This level can benefit minor...
1.6K
Stages of Sleep01:22

Stages of Sleep

1.4K
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...
1.4K
Understanding Sleep01:11

Understanding Sleep

1.5K
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...
1.5K
Sleep Apnea01:21

Sleep Apnea

531
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...
531

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Ketone Bodies Derived From Medium-Chain Triglycerides Support Brain Metabolism and Function Under Hypoglycemia in Type 1 Diabetes Mellitus.

Diabetes·2026
Same author

Altering MRI rotating frame relaxations by changing the truncation level of Hyperbolic Secant pulse.

Journal of magnetic resonance (San Diego, Calif. : 1997)·2026
Same author

Task-Evoked Functional Activation and Coupling With CSF Flow Detected in the Human Brain With Ultrashort Echo Time fMRI at 7 T.

NMR in biomedicine·2026
Same author

Amyloid-β-laden CSF turns guardian macrophages into collateral damage in Alzheimer's disease.

Brain : a journal of neurology·2026
Same author

Reversible alterations of brain acetate metabolism associated with alcohol consumption.

Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology·2026
Same author

Greater hypoxic burden predicts weaker coordination between brain pulsation and CSF flow on 7T MRI independent of non-hypoxic arousals: Implications for glymphatic activity.

bioRxiv : the preprint server for biology·2026

Related Experiment Video

Updated: Jan 27, 2026

Quantitative Measurement of the Immune Response and Sleep in Drosophila
12:16

Quantitative Measurement of the Immune Response and Sleep in Drosophila

Published on: December 4, 2012

16.0K

Glymphatic System Function in Relation to Anesthesia and Sleep States.

Helene Benveniste1, Paul M Heerdt1, Manuel Fontes1

  • 1From the Departments of Anesthesiology.

Anesthesia and Analgesia
|March 19, 2019
PubMed
Summary

The brain utilizes a novel "glymphatic system" for waste removal, clearing metabolic byproducts via cerebrospinal fluid (CSF) flow. This system

More Related Videos

A High-performance Liquid Chromatography Measurement of Kynurenine and Kynurenic Acid: Relating Biochemistry to Cognition and Sleep in Rats
07:04

A High-performance Liquid Chromatography Measurement of Kynurenine and Kynurenic Acid: Relating Biochemistry to Cognition and Sleep in Rats

Published on: August 19, 2018

11.0K
Polygraphic Recording Procedure for Measuring Sleep in Mice
08:45

Polygraphic Recording Procedure for Measuring Sleep in Mice

Published on: January 25, 2016

25.2K

Related Experiment Videos

Last Updated: Jan 27, 2026

Quantitative Measurement of the Immune Response and Sleep in Drosophila
12:16

Quantitative Measurement of the Immune Response and Sleep in Drosophila

Published on: December 4, 2012

16.0K
A High-performance Liquid Chromatography Measurement of Kynurenine and Kynurenic Acid: Relating Biochemistry to Cognition and Sleep in Rats
07:04

A High-performance Liquid Chromatography Measurement of Kynurenine and Kynurenic Acid: Relating Biochemistry to Cognition and Sleep in Rats

Published on: August 19, 2018

11.0K
Polygraphic Recording Procedure for Measuring Sleep in Mice
08:45

Polygraphic Recording Procedure for Measuring Sleep in Mice

Published on: January 25, 2016

25.2K

Area of Science:

  • Neuroscience
  • Cellular Biology
  • Physiology

Background:

  • The brain is highly metabolically active, producing waste products at a high rate.
  • The absence of lymphatic vasculature in the brain presents a challenge for waste clearance.
  • Cerebrospinal fluid (CSF) flow is traditionally thought to aid in central nervous system (CNS) detoxification.

Purpose of the Study:

  • To review the anatomical components and operational drivers of the brain's glymphatic system.
  • To highlight the glymphatic system's dependence on arousal states and anesthesia.
  • To discuss the potential clinical implications of the glymphatic system for preventing perioperative delirium and cognitive dysfunction.

Main Methods:

  • Review of emerging scientific literature on the glymphatic system.
  • Analysis of anatomical and physiological data related to CSF transport and waste drainage.
  • Synthesis of evidence linking glymphatic function to arousal and anesthesia.

Main Results:

  • The glymphatic system acts as a brain-wide perivascular pathway for CSF transport and waste drainage.
  • The glymphatic system's function is significantly influenced by the state of arousal and anesthetic agents.
  • Evidence suggests CSF flow is a key mechanism for brain waste clearance.

Conclusions:

  • The glymphatic system is a critical component of brain waste clearance.
  • Understanding the glymphatic system's regulation by arousal and anesthesia is crucial.
  • Further clinical research into the glymphatic system may offer new strategies for managing perioperative complications.