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 Experiment Videos

[Analyzing sleep EEG using correlation dimension and approximate entropy].

Zhaohui Jiang1, Huanqing Feng, Dalu Liu

  • 1Institute of BME, University of Science and Technology of China, Hefei 230026, China. jiangzhh@ustc.edu.cn

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi = Journal of Biomedical Engineering = Shengwu Yixue Gongchengxue Zazhi
|September 15, 2005
PubMed
Summary

Nonlinear EEG features like approximate entropy (ApEn) and correlation dimension (D2) effectively distinguish sleep stages. Brain complexity is highest when awake and decreases with deeper sleep, with REM sleep complexity between stages S1 and S2.

Related Concept Videos

You might also read

Related Articles

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

Sort by
Same author

Hantaan virus infection induces human mucosal-associated invariant T cell pyroptosis through IRE1α pathway.

Communications biology·2025
Same author

Association between weight-adjusted waist index and testosterone deficiency in adult American men: findings from the national health and nutrition examination survey 2013-2016.

BMC public health·2024
Same author

Mean platelet volume might be an effective indicator of poor semen quality in varicocele patients.

International urology and nephrology·2024
Same author

Causal effect of gut microbiota on the risk of prostatitis: a two-sample Mendelian randomization study.

International urology and nephrology·2024
Same author

The Presence of Circulating Nucleated Red Blood Cells Is Associated With Disease Severity in Patients of Hemorrhagic Fever With Renal Syndrome.

Frontiers in medicine·2021
Same author

Long noncoding RNA H19 regulates the therapeutic efficacy of mesenchymal stem cells in rats with severe acute pancreatitis by sponging miR-138-5p and miR-141-3p.

Stem cell research & therapy·2020

Area of Science:

  • Neuroscience
  • Signal Processing
  • Sleep Medicine

Context:

  • Accurate sleep scoring is fundamental for sleep research.
  • Electroencephalography (EEG) nonlinear features offer insights into sleep stages.

Purpose:

  • To calculate and compare the effectiveness of correlation dimension (D2) and approximate entropy (ApEn) in distinguishing sleep stages using EEG data.
  • To analyze the complexity and fluctuation patterns of brain activity across different sleep stages.

Summary:

  • Both D2 and ApEn were calculated from sleep EEG.
  • While D2 requires careful interpretation, its relative values effectively differentiate sleep stages.
  • ApEn offers simplicity, stability, and superior representation of sleep stages.
  • ApEn and D2 consistently show that brain complexity is maximal when awake, decreases with sleep depth, and REM sleep complexity falls between stages S1 and S2.

Related Experiment Videos

Impact:

  • This study validates ApEn and D2 as valuable nonlinear measures for sleep stage analysis.
  • Findings contribute to a deeper understanding of brain complexity dynamics during sleep.
  • Provides objective, quantitative methods to enhance sleep scoring accuracy.