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

The Wave Nature of Light02:12

The Wave Nature of Light

61.5K
The nature of light has been a subject of inquiry since antiquity. In the seventeenth century, Isaac Newton performed experiments with lenses and prisms and was able to demonstrate that white light consists of the individual colors of the rainbow combined together. Newton explained his optics findings in terms of a "corpuscular" view of light, in which light was composed of streams of extremely tiny particles traveling at high speeds according to Newton's laws of motion.
61.5K
Gene Evolution - Fast or Slow?02:05

Gene Evolution - Fast or Slow?

8.2K
The genomes of eukaryotes are punctuated by long stretches of sequence which do not code for proteins or RNAs. Although some of these regions do contain crucial regulatory sequences, the vast majority of this DNA serves no known function. Typically, these regions of the genome are the ones in which the fastest change, in evolutionary terms, is observed, because there is typically little to no selection pressure acting on these regions to preserve their sequences.
In contrast, regions which code...
8.2K
Gene Evolution - Fast or Slow?02:05

Gene Evolution - Fast or Slow?

3.7K
3.7K
Increasing Function01:18

Increasing Function

400
An increasing function exhibits a rise in output values as input values increase. This behavior is depicted graphically as a curve or line that slopes upward from left to right. Such a function satisfies the condition that if x1 < x2, then f(x1) < f(x2), indicating that the function values grow with increasing inputs. This concept is fundamental in understanding growth trends across various domains, such as population dynamics, financial investments, or resource consumption.The...
400
Simplified Synchronous Machine Model01:30

Simplified Synchronous Machine Model

790
The Synchronous Machine Model is a fundamental tool in analyzing and ensuring the transient stability of power systems. This model simplifies the representation of a synchronous machine under balanced three-phase positive-sequence conditions, assuming constant excitation and ignoring losses and saturation. The model is pivotal for understanding the behavior of synchronous generators connected to a power grid, particularly during transient events.
In this model, each generator is connected to a...
790
Increased Body Temperature01:25

Increased Body Temperature

7.5K
A body temperature above  38°C  (100.4 °F) is known as fever or pyrexia, and a person with fever is termed 'febrile.' Typically, the hypothalamus, a part of the brain that acts as the body's thermostat, regulates body temperature through a thermoregulatory setpoint. It receives signals from cold and warm thermal receptors throughout the body and adjusts the body's temperature accordingly. Fever occurs when this hypothalamic setpoint is altered, usually in...
7.5K

You might also read

Related Articles

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

Sort by
Same author

Neurons of the human subthalamic nucleus engage with local delta frequency processes during action cancellation.

Nature communications·2026
Same author

Daily Predictors of Psychotic-Like Experiences in Older Adults: The Role of Sleep Quality, Negative Emotions, and Cognitive Failures.

Journal of sleep research·2026
Same author

Non-invasive temporal interference stimulation of the hippocampus suppresses epileptic biomarkers in patients with Epilepsy: biophysical differences between kilohertz and amplitude modulated stimulation.

Brain stimulation·2025
Same author

Can Any Procedure Be Hypnosis? Exploring the Effect of Framing on Hypnotic Depth and Electrophysiological Correlates of Hypnosis in a Balanced Placebo Design.

Psychophysiology·2025
Same author

Brain localization and morphological changes in NREM parasomnias. A systematic review study.

Sleep & breathing = Schlaf & Atmung·2025
Same author

Daily dynamics of the temporal orientations of mind wandering: chronotype matters!

Neuroscience of consciousness·2025

Related Experiment Video

Updated: Feb 8, 2026

Cortical Bone Assessment Using Ultrasonic Guided Waves: A Reproducibility Study in a Healthy Population
09:02

Cortical Bone Assessment Using Ultrasonic Guided Waves: A Reproducibility Study in a Healthy Population

Published on: January 31, 2025

1.7K

Increased cortical involvement and synchronization during CAP A1 slow waves.

Péter Przemyslaw Ujma1,2, Péter Halász3, Péter Simor4

  • 1Institute of Clinical Neuroscience, "Juhász Pál" Epilepsy Centrum, Amerikai út 57, Budapest, 1145, Hungary. ujma.peter@med.semmelweis-univ.hu.

Brain Structure & Function
|June 29, 2018
PubMed
Summary
This summary is machine-generated.

Cyclic alternating patterns (CAP) slow waves during NREM sleep show greater spatial extent and amplitude. This indicates heightened cortical synchronization, potentially impacting synaptic homeostasis and epilepsy.

Keywords:
Cyclic alternating patternElectroencephalographyNREM sleepSlow waveSynaptic homeostasis

More Related Videos

Visualization of Cortical Modules in Flattened Mammalian Cortices
08:49

Visualization of Cortical Modules in Flattened Mammalian Cortices

Published on: January 22, 2018

13.8K
Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities
11:08

Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities

Published on: November 30, 2012

19.5K

Related Experiment Videos

Last Updated: Feb 8, 2026

Cortical Bone Assessment Using Ultrasonic Guided Waves: A Reproducibility Study in a Healthy Population
09:02

Cortical Bone Assessment Using Ultrasonic Guided Waves: A Reproducibility Study in a Healthy Population

Published on: January 31, 2025

1.7K
Visualization of Cortical Modules in Flattened Mammalian Cortices
08:49

Visualization of Cortical Modules in Flattened Mammalian Cortices

Published on: January 22, 2018

13.8K
Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities
11:08

Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities

Published on: November 30, 2012

19.5K

Area of Science:

  • Neuroscience
  • Sleep Science
  • Electroencephalography (EEG)

Background:

  • Slow waves in NREM sleep reflect cortical neuronal firing synchrony.
  • Cyclic alternating patterns (CAP) include slow waves in phase A1, but their function is unclear.

Purpose of the Study:

  • To investigate the physiological significance of slow waves during CAP A1.
  • To compare slow wave characteristics during CAP A1 versus non-CAP (NCAP) periods.

Main Methods:

  • Automatic detection of slow waves from EEG recordings in 37 healthy individuals.
  • Visual identification of CAP A1 events.
  • Analysis of slow wave amplitude, slopes, frequency, synchronization likelihood, origin, and propagation.

Main Results:

  • Slow waves during CAP A1 exhibited significantly greater spatial extent and amplitude compared to NCAP.
  • CAP A1 slow waves demonstrated steeper slopes and increased cortical synchronization.
  • No significant differences were found in frontal prominence or scalp propagation patterns.

Conclusions:

  • CAP A1 signifies a period of widespread, highly synchronized neuronal activity across the cortex.
  • This enhanced synchrony may play a role in synaptic homeostasis and epileptiform activity.