Validity and reliability of electroencephalographic frontal alpha asymmetry and frontal midline theta as biomarkers for depression
Identifieur interne : 000133 ( Main/Exploration ); précédent : 000132; suivant : 000134Validity and reliability of electroencephalographic frontal alpha asymmetry and frontal midline theta as biomarkers for depression
Auteurs : Christian Gold [Norvège] ; Jörg Fachner [Finlande] ; Jaakko Erkkil [Norvège]Source :
- Scandinavian Journal of Psychology [ 0036-5564 ] ; 2013-04.
English descriptors
- KwdEn :
- Teeft :
- Abnormal psychology, Absolute power values, Active electrodes, Additional source, Alpha asymmetry, Analysis software, Anxiolytic medication, Asymmetry, Average measures, Biological psychiatry, Biomarker, Biomarkers, Brain processes, British journal, Clinical assessments, Clinical change, Clinical endpoint, Clinical endpoints, Clinical interpretation, Clinical interview, Clinical research, Clinical sample, Clinical trials, Complete data, Consistency type, Data processing, Database, Depression scale, Depression scand, Depressive, Descriptive statistics, Development core team, Different locations, Electrode, Endpoint, Erkkila, Fachner, Frequency range, Frontal, Frontal hypoactivation, Frontal midline, Frontal midline theta, General population, Grieg academy music therapy research center, Hospital anxiety, Individual correlations, Individual differences, Interdisciplinary music research, Internal consistency, International journal, Intraclass correlation, Linear transformation, Lower bounds, Madrs, Main focus, Main hypothesis, Major depressive disorder, Medication, Midline, Moderate correlation, Moderate strength, Multiple testing, Music therapy, Nordic journal, Normal distribution, Normal range, Normative, Normative database, Other treatments, Participant, Pathological processes, Population database, Positive correlation, Positive values, Potential biomarkers, Present study, Previous research, Psychiatric, Psychiatric assessments, Psychiatric measures, Psychiatric tests, Psychiatry research, Psychol, Psychological assessments, Psychosomatic research, Publication bias, Reliability, Reliable measures, Right column, Sberg depression rating scale, Scalp electrode, Scand, Scandinavian, Scandinavian journal, Sensitivity analysis, Severe depression, Single electrodes, Single measures, Small effect, Small sample sizes, Statistical theory, Surrogate, Surrogate endpoints, Thatcher, Theta, Theta measures, Theta values, Thibodeau, True reliability, Valid biomarkers, Wheeler kinney.
Abstract
Electroencephalographic (EEG) frontal alpha asymmetry (FAA) and frontal midline (FM) theta have been suggested as biomarkers for depression and anxiety, but have mostly been assessed in small and non‐clinical studies. In a clinical sample of 79 adults with depression (ICD‐10: F32), resting EEG and scales of depression (MADRS) and anxiety (HADS‐A) were measured at intake and after 3 months. FAA and FM theta values were referenced to a normative population database. Internal consistency, test‐retest reliability, and correlations with psychiatric tests were examined. Reliability was sufficient. However, FAA and FM theta values were close to the general population, and correlations with psychiatric tests were mostly small and non‐significant, with the exception of FAA on F7–F8 z‐scores and HADS‐A. We conclude that the validity of FAA and FM theta and therefore their potential as biomarkers for depression and anxiety remain unclear.
Url:
DOI: 10.1111/sjop.12022
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In a clinical sample of 79 adults with depression (ICD‐10: F32), resting EEG and scales of depression (MADRS) and anxiety (HADS‐A) were measured at intake and after 3 months. FAA and FM theta values were referenced to a normative population database. Internal consistency, test‐retest reliability, and correlations with psychiatric tests were examined. Reliability was sufficient. However, FAA and FM theta values were close to the general population, and correlations with psychiatric tests were mostly small and non‐significant, with the exception of FAA on F7–F8 z‐scores and HADS‐A. We conclude that the validity of FAA and FM theta and therefore their potential as biomarkers for depression and anxiety remain unclear.</div></front></TEI><affiliations><list><country><li>Finlande</li><li>Norvège</li></country><region><li>Finlande-Centrale</li></region><settlement><li>Jyväskylä</li></settlement><orgName><li>Université de Jyväskylä</li></orgName></list><tree><country name="Norvège"><noRegion><name sortKey="Gold, Christian" sort="Gold, Christian" uniqKey="Gold C" first="Christian" last="Gold">Christian Gold</name></noRegion><name sortKey="Erkkil, Jaakko" sort="Erkkil, Jaakko" uniqKey="Erkkil J" first="Jaakko" last="Erkkil">Jaakko Erkkil</name></country><country name="Finlande"><region name="Finlande-Centrale"><name sortKey="Fachner, Jorg" sort="Fachner, Jorg" uniqKey="Fachner J" first="Jörg" last="Fachner">Jörg Fachner</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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