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Related Experiment Videos

The effect of variable duration one hertz interference on kindling

J Gaito

    The Canadian Journal of Neurological Sciences. Le Journal Canadien Des Sciences Neurologiques
    |February 1, 1980
    PubMed
    Summary

    Brain stimulation using 1-Hz current for 15 seconds or longer suppressed kindling behavior in rats. This suppression effect was transient, not due to tissue damage, and increased with stimulation duration.

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    Suppression of kindling behavior.

    The Journal of psychology·1984
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    The effect of low frequency and direct current stimulation on the kindling phenomenon in rats.

    The Canadian journal of neurological sciences. Le journal canadien des sciences neurologiques·1981
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    The effect of several intertrial intervals on the 1 Hz interference effect.

    The Canadian journal of neurological sciences. Le journal canadien des sciences neurologiques·1981
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    Gradient of interference by various frequencies on 60 Hz kindling behavior.

    The Canadian journal of neurological sciences. Le journal canadien des sciences neurologiques·1980
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    Interference effect of 3 Hz brain stimulation on kindling behavior induced by 60 Hz stimulation.

    Epilepsia·1980
    Same author

    Long term induction of kindled seizures in rats: interhemispheric factors.

    The Canadian journal of neurological sciences. Le journal canadien des sciences neurologiques·1978

    Area of Science:

    • Neuroscience
    • Epilepsy Research

    Background:

    • Kindling is a model for studying epilepsy, involving repeated electrical stimulation that leads to seizures.
    • Understanding factors that modulate kindling is crucial for developing anti-epileptic strategies.

    Purpose of the Study:

    • To investigate the impact of varying durations of 1-Hz brain stimulation on 60-Hz induced kindling behavior in rats.
    • To determine if the observed suppression of kindling is a lasting effect or transient.

    Main Methods:

    • Rats were subjected to daily trials involving 1-Hz and 60-Hz sine wave stimulation.
    • Effective threshold intensity (ETI) to elicit convulsions was measured before and after different durations of 1-Hz stimulation (5 to 600 seconds).

    Main Results:

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  • 1-Hz stimulation for 15 seconds or longer dose-dependently increased the ETI required for 60-Hz induced convulsions.
  • Suppression of convulsive behavior was observed, increasing with stimulation duration, with the 600-second group showing the most significant effect.
  • Most rats convulsed at lower ETI levels after a rest period, indicating the suppression was transient and not caused by tissue damage.

    • Conclusions:

    • 1-Hz brain stimulation, particularly at longer durations (≥15 seconds), effectively suppresses kindling behavior in a transient manner.
    • The findings suggest a potential modulatory role for specific brain stimulation parameters in controlling seizure-like activity.