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Related Experiment Videos

Insomnia Disorder and Brain's Default-Mode Network.

Daniel Ruivo Marques1,2, Ana Allen Gomes3,4, Gina Caetano5

  • 1Department of Education and Psychology, University of Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal. drmarques@ua.pt.

Current Neurology and Neuroscience Reports
|June 11, 2018
PubMed
Summary

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Insomnia disorder (ID) is linked to altered brain activity, particularly in the default-mode network (DMN). Research using neuroimaging shows abnormal DMN function in individuals with insomnia, suggesting new therapeutic targets.

Area of Science:

  • Neuroscience
  • Sleep Medicine
  • Psychiatry

Background:

  • Insomnia disorder (ID) is a common sleep disorder impacting physical and mental health.
  • Neuroimaging techniques are crucial for understanding brain function in ID.

Purpose of the Study:

  • To review novel neuroimaging approaches for studying brain networks in ID.
  • To explore impaired brain function associated with insomnia.

Main Methods:

  • Review of modern neuroimaging techniques, focusing on functional magnetic resonance imaging (fMRI).
  • Analysis of studies investigating brain network alterations in individuals with insomnia.

Main Results:

  • The default-mode network (DMN) shows altered activity in insomnia.
Keywords:
Brain imagingDefault-mode networkInsomnia disorderSelf-referential processingSleep

Related Experiment Videos

  • Evidence suggests a lack of DMN deactivation at rest and increased DMN activation during self-referential tasks in insomnia patients compared to controls.
  • Abnormal DMN activity is correlated with ID, warranting further investigation.

    • Conclusions:

    • Abnormal default-mode network (DMN) activity is a key feature of insomnia disorder.
    • Further research into the DMN in ID is needed to inform therapeutic strategies.
    • Neuroimaging provides valuable insights into the neural underpinnings of insomnia.