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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.

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1

Is Resting Anterior EEG Alpha Asymmetry a Trait Marker for Depression?

Debener, Stefan, Beauducel, André, Nessler, Doreen, Brocke, Burkhard, Heilemann, Hubert, Kayser, Jürgen 21 February 2014 (has links) (PDF)
Several lines of evidence suggest that asymmetric anterior brain activation is related to affective style, linking left hemisphere activation to positive affect and right hemisphere activation to negative affect. However, previous reports of left frontal hypoactivation in depressed patients were not confirmed in recent studies. This study evaluated additional characteristics of resting EEG alpha (8–13 Hz) asymmetry in 15 clinically depressed patients and 22 healthy adults by recording EEG activity on two separate occasions, 2–4 weeks apart. Across both sessions, group differences in anterior EEG asymmetry were compatible with the original hypothesis. However, groups differed in temporal stability of anterior EEG asymmetry, which was retest reliable in controls but not depressed patients. In contrast, temporal stability of posterior EEG asymmetry was acceptable in both groups. Increased variability of anterior EEG asymmetry may be a characteristic feature for depression, and, if so, this would challenge the notion that anterior EEG alpha asymmetry is a trait marker for depression. / Dieser Beitrag ist mit Zustimmung des Rechteinhabers aufgrund einer (DFG-geförderten) Allianz- bzw. Nationallizenz frei zugänglich.
Depression
Gefühl
Lateralisation
EEG
Elektroenzephalografie
Hinraktivierung
Ruhe-EEG
Alpha-Wellen
zeitliche Stabilität
Depression
Emotion
Laterality
Anterior brain activation
EEG alpha power
Resting EEG
Temporal stability
ddc:610
ddc:150
rvk:XA 10000
rvk:CL 1000
2

Is Resting Anterior EEG Alpha Asymmetry a Trait Marker for Depression?: Findings for Healthy Adults and Clinically Depressed Patients

Debener, Stefan, Beauducel, André, Nessler, Doreen, Brocke, Burkhard, Heilemann, Hubert, Kayser, Jürgen January 2000 (has links)
Several lines of evidence suggest that asymmetric anterior brain activation is related to affective style, linking left hemisphere activation to positive affect and right hemisphere activation to negative affect. However, previous reports of left frontal hypoactivation in depressed patients were not confirmed in recent studies. This study evaluated additional characteristics of resting EEG alpha (8–13 Hz) asymmetry in 15 clinically depressed patients and 22 healthy adults by recording EEG activity on two separate occasions, 2–4 weeks apart. Across both sessions, group differences in anterior EEG asymmetry were compatible with the original hypothesis. However, groups differed in temporal stability of anterior EEG asymmetry, which was retest reliable in controls but not depressed patients. In contrast, temporal stability of posterior EEG asymmetry was acceptable in both groups. Increased variability of anterior EEG asymmetry may be a characteristic feature for depression, and, if so, this would challenge the notion that anterior EEG alpha asymmetry is a trait marker for depression. / Dieser Beitrag ist mit Zustimmung des Rechteinhabers aufgrund einer (DFG-geförderten) Allianz- bzw. Nationallizenz frei zugänglich.
info:eu-repo/classification/ddc/610
ddc:610
info:eu-repo/classification/ddc/150
ddc:150

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