Seizure (Ictal)—EEG Characteristics in Subgroups of Depressive Disorder in Patients Receiving Electroconvulsive Therapy (ECT)—A Preliminary Study and Multivariate Approach
Joint Authors
Wahlund, Björn
Liljenström, Hans
Liberg, Benny
von Rosen, Dietrich
Piazza, Paolo
Source
Computational Intelligence and Neuroscience
Issue
Vol. 2009, Issue 2009 (31 Dec. 2009), pp.1-8, 8 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2009-06-15
Country of Publication
Egypt
No. of Pages
8
Main Subjects
Abstract EN
Objectives.
Examine frequency distributions of ictal EEG after ECT stimulation in diagnostic subgroups of depression.
Methods.
EEG registration was consecutively monitored in 33 patients after ECT stimulation.
Patients were diagnosed according to DSM IV and subdivided into: (1) major depressive disorder with psychotic features (n=7), (2) unipolar depression (n=20), and (3) bipolar depression (n=6).
Results.
Results indicate that the diagnostically subgroups differ in their ictal EEG frequency spectrumml: (1) psychotic depression has a high occurrence of delta and theta waves, (2) unipolar depression has high occurrence of delta, theta and gamma waves, and (3) bipolar depression has a high occurrence of gamma waves.
A linear discriminant function separated the three clinical groups with an accuracy of 94%.
Conclusion.
Psychotic depressed patients differ from bipolar depression in their frequency based on probability distribution of ictal EEG.
Psychotic depressed patients show more prominent slowing of EEG than nonpsychotic depressed patients.
Thus the EEG results may be supportive in classifying subgroups of depression already at the start of the ECT treatment.
American Psychological Association (APA)
Wahlund, Björn& Piazza, Paolo& von Rosen, Dietrich& Liberg, Benny& Liljenström, Hans. 2009. Seizure (Ictal)—EEG Characteristics in Subgroups of Depressive Disorder in Patients Receiving Electroconvulsive Therapy (ECT)—A Preliminary Study and Multivariate Approach. Computational Intelligence and Neuroscience،Vol. 2009, no. 2009, pp.1-8.
https://search.emarefa.net/detail/BIM-512019
Modern Language Association (MLA)
Wahlund, Björn…[et al.]. Seizure (Ictal)—EEG Characteristics in Subgroups of Depressive Disorder in Patients Receiving Electroconvulsive Therapy (ECT)—A Preliminary Study and Multivariate Approach. Computational Intelligence and Neuroscience No. 2009 (2009), pp.1-8.
https://search.emarefa.net/detail/BIM-512019
American Medical Association (AMA)
Wahlund, Björn& Piazza, Paolo& von Rosen, Dietrich& Liberg, Benny& Liljenström, Hans. Seizure (Ictal)—EEG Characteristics in Subgroups of Depressive Disorder in Patients Receiving Electroconvulsive Therapy (ECT)—A Preliminary Study and Multivariate Approach. Computational Intelligence and Neuroscience. 2009. Vol. 2009, no. 2009, pp.1-8.
https://search.emarefa.net/detail/BIM-512019
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-512019