The effect of high and low frequency cortical stimulation with a fixed or a poisson distributed interpulse interval on cortical excitability in rats

Ine Buffel, Alfred Meurs, Robrecht Raedt, Veerle de Herdt, Leen Decorte, Laurence Bertier, Jean Delbeke, Wytse Wadman, Kristl Vonck, Paul Boon

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)

Abstract

Neurostimulation is a promising treatment for refractory epilepsy. We studied the effect of cortical stimulation with different parameters in the rat motor cortex stimulation model. High intensity simulation (threshold for motor response--100 μA), high frequency (130 Hz) stimulation during 1 h decreased cortical excitability, irrespective of the interpulse interval used (fixed or Poisson distributed). Low intensity (10 μA) and/or low frequency (5 Hz) stimulation had no effect. Cortical stimulation appears promising for the treatment of neocortical epilepsy if frequency and intensity are high enough.

Original languageEnglish
Article number1430005
Number of pages10
JournalInternational Journal of Neural Systems
Volume24
Issue number2
DOIs
Publication statusPublished - Mar 2014

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