EEG Differences Between Eyes-Closed and Eyes-Open Conditions at the Resting Stage for Euthymic Participants

D. P.X. Kan, Paul E Croarkin, C. K. Phang, P. F. Lee

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Most prior research examined differences in the EEG frequency bands between eyes-closed and eyesopen conditions at the resting state as a baseline; without counter checking on the mental health state of the subjects; the depressive symptoms were often not assessed or controlled during the experiment. We examined EEGs of euthymic participants (who were free from the psychiaric symptoms) for the above two conditions at the resting state. A population of participants with healthy levels of depression, anxiety, and stress symptoms (n = 50) has been examined with the Patient Health Questionnaire-9 (PHQ-9) and Depression Anxiety Stress Scale-21 (DASS-21). The powers of the alpha rhythm, interpreted as relaxation waves, were higher during eyes-closed compared to eyes-open condition (P = 0.0…) in all brain regions (32 EEG channels). The prefrontal cortex was characterized by higher delta, theta, and beta powers during eyes-open periods at the resting state, as compared with eyes-closed ones.

Original languageEnglish (US)
Pages (from-to)432-440
Number of pages9
JournalNeurophysiology
Volume49
Issue number6
DOIs
StatePublished - Dec 1 2017

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Electroencephalography
Depression
Anxiety
Alpha Rhythm
Prefrontal Cortex
Healthy Volunteers
Mental Health
Health
Brain
Research
Population

Keywords

  • baseline
  • EEG
  • EEG frequency bands
  • euthymic subjects
  • eyes-closed conditions
  • eyes-open

ASJC Scopus subject areas

  • Neuroscience(all)
  • Physiology

Cite this

EEG Differences Between Eyes-Closed and Eyes-Open Conditions at the Resting Stage for Euthymic Participants. / Kan, D. P.X.; Croarkin, Paul E; Phang, C. K.; Lee, P. F.

In: Neurophysiology, Vol. 49, No. 6, 01.12.2017, p. 432-440.

Research output: Contribution to journalArticle

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