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Related Experiment Videos

Brain polarization: behavioral and therapeutic effects.

F Lolas

    Biological Psychiatry
    |February 1, 1977
    PubMed
    Summary
    This summary is machine-generated.

    This review examines constant direct current (DC) brain polarization for psychiatric conditions. While research shows consistent evidence, polarization is underrepresented compared to other brain stimulation techniques.

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    Area of Science:

    • Neuroscience
    • Psychiatry
    • Medical Physics

    Background:

    • Direct current (DC) brain polarization involves passing low-level currents through the brain.
    • Its therapeutic effectiveness in psychiatric patients has yielded varied results over the past 12 years.
    • Despite evidence, polarization is less recognized than pulsating currents like electrosleep.

    Purpose of the Study:

    • To review behavioral and therapeutic effects of brain polarization.
    • To highlight the underrepresentation of polarization in current psychiatric treatment literature.
    • To discuss physiological effects relevant to polarization research.

    Main Methods:

    • Focuses on studies investigating behavioral and therapeutic outcomes of polarization.
    • Includes analysis of research on physiological effects of polarizing currents.

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  • Reviews literature on constant, low-level direct currents applied via cephalic and noncephalic electrodes.

    • Main Results:

    • Evidence suggests consistent effects of direct currents applied to the head in psychiatric patients.
    • Polarization, using constant DC, is often overlooked in favor of pulsating currents.
    • The procedure is typically imperceptible to the patient and does not induce convulsions or sleep.

    Conclusions:

    • Brain polarization warrants further investigation and recognition in psychiatric treatment.
    • Consistent evidence supports the effects of direct current brain stimulation.
    • Further research into physiological effects could clarify polarization's therapeutic mechanisms.