Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Substance Use Disorders Affecting Sleep

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,...

Sleep-Wake Cycles

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:

You might also read

Related Articles

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

Sort by

Same author

The Effect of Autogenic Training in a Form of Audio Recording on Sleep Quality and Physiological Stress Reactions of University Athletes-Pilot Study.

International journal of environmental research and public health·2022

Same author

Influence of the Spectral Quality of Light on Daytime Alertness Levels in Humans.

Advances in cognitive psychology·2020

Same author

Genes involved in glucocorticoid receptor signalling affect susceptibility to mood disorders.

The world journal of biological psychiatry : the official journal of the World Federation of Societies of Biological Psychiatry·2020

Same author

Verbal fluency in research conducted with PET technique under conditions of extended cognitive activation with the use of 18F-fluorodeoxyglucose (FDG) tracer.

Psychiatria polska·2017

Same author

A systemic literature review of neuroimaging studies in women with breast cancer treated with adjuvant chemotherapy.

Contemporary oncology (Poznan, Poland)·2017

Same author

Suicide behavior as a quantitative trait and its genetic background.

Journal of affective disorders·2016

Search research articles

Related Experiment Video

Updated: Jun 26, 2026

Multi-Modal Home Sleep Monitoring in Older Adults

Multi-Modal Home Sleep Monitoring in Older Adults

Published on: January 26, 2019

The modified Color Density Spectral Array--an alternative method for sleep presentation.

Tadeusz Pracki¹, Daria Pracka, Marzena Ziółkowska-Kochan

¹Ludwik Rydygier Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Torun, Poland. prackie@wp.pl.

Acta Neurobiologiae Experimentalis

|December 30, 2008

Summary

This summary is machine-generated.

This study introduces a modified Color Density Spectral Array (CDSA) method for analyzing sleep patterns. Combining CDSA with hypnograms enhances sleep data analysis and quality.

More Related Videos

Through-the-Wall Blood Sampling Method to Minimize Sleep Disruption in Clinical Settings

Through-the-Wall Blood Sampling Method to Minimize Sleep Disruption in Clinical Settings

Published on: June 13, 2025

Related Experiment Videos

Last Updated: Jun 26, 2026

Multi-Modal Home Sleep Monitoring in Older Adults

Multi-Modal Home Sleep Monitoring in Older Adults

Published on: January 26, 2019

Through-the-Wall Blood Sampling Method to Minimize Sleep Disruption in Clinical Settings

Through-the-Wall Blood Sampling Method to Minimize Sleep Disruption in Clinical Settings

Published on: June 13, 2025

Area of Science:

Neuroscience
Sleep Medicine
Biomedical Engineering

Background:

The Color Density Spectral Array (CDSA) method, first introduced in 1987, provides graphical representations of sleep patterns.
Existing methods for sleep pattern analysis can be enhanced for greater informative value.

Purpose of the Study:

To describe a modified Color Density Spectral Array (CDSA) method for graphical representation of sleep patterns.
To adapt the CDSA method for displaying the frequency and voltage of electroencephalogram (EEG) signals during sleep.
To evaluate the effectiveness of the modified CDSA method in sleep analysis.

Main Methods:

The study analyzed overnight sleep records from 35 healthy volunteers (23 women, 12 men; aged 19-26).
A modified Color Density Spectral Array (CDSA) method was developed and applied to EEG data.
The modified CDSA method was integrated with hypnogram data for analysis.

Main Results:

The modified CDSA method effectively displays the frequency course and voltage of EEG signals during sleep.
Combining the hypnogram with the modified CDSA method was shown to significantly increase the informative value of sleep data.
The integrated approach resulted in enhanced quality of sleep analysis.

Conclusions:

The modified CDSA method offers an improved approach to visualizing and analyzing sleep EEG data.
Integrating hypnograms with the modified CDSA method significantly enhances the depth and accuracy of sleep analysis.
This combined approach represents a valuable advancement in sleep research and clinical diagnostics.