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Related Experiment Videos

Pretreatment neurophysiologic function and ECT response in depression.

William F Stubbeman1, Andrew F Leuchter, Ian A Cook

  • 1Laboratory of Behavioral Pharmacology, UCLA Neuropsychiatric Institute, Department of Psychiatry and Biobehavioral Sciences, David Geffen School of Medicine at UCLA, Los Angeles, CA 90024, USA.

The Journal of ECT
|September 3, 2004
PubMed
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Higher pretreatment theta-band cordance in the central brain region predicts better electroconvulsive therapy (ECT) response in depression patients. This finding suggests central brain activity may indicate ECT effectiveness.

Area of Science:

  • Neuroscience
  • Psychiatry
  • Quantitative Electroencephalography (QEEG)

Background:

  • Brain activity patterns before treatment may predict depression treatment outcomes.
  • Electroconvulsive therapy (ECT) is an effective treatment for severe depression.
  • Quantitative Electroencephalography (QEEG) offers a method to assess brain function.

Purpose of the Study:

  • To investigate the association between pretreatment QEEG measures and therapeutic response to ECT.
  • To test if midline apical QEEG electrode activity predicts ECT treatment success.
  • To explore the role of central brain activity in ECT outcomes.

Main Methods:

  • Ten patients with treatment-refractory depression underwent ECT.
  • Hamilton Rating Scale for Depression (Ham-D) scores were assessed before, during, and after ECT.

Related Experiment Videos

  • Resting-state, eyes-closed, 35-lead QEEG recordings were obtained prior to the first ECT session.
  • QEEG power and cordance were analyzed.

    • Main Results:

    • A significant positive correlation was found between pretreatment theta-band cordance in the central brain region and the percentage decrease in Ham-D scores (r = 0.80, P = 0.005).
    • No significant association was observed between QEEG cordance in other brain regions or QEEG power and clinical improvement.
    • Central theta-band cordance emerged as a strong predictor of ECT response.

    Conclusions:

    • Elevated pretreatment central QEEG cordance is associated with greater therapeutic benefits from ECT.
    • The findings suggest that pretreatment activity in the central brain region, potentially reflecting cingulate cortex function, may predict ECT response.
    • QEEG cordance, particularly in the central region, could serve as a biomarker for ECT efficacy in depression.