Effect of low frequency electrical stimulation on spike and wave discharges of perioral somatosensory cortex in WAG/Rij rats

Sadighi, M and Shahabi, P and Oryan, S and Pakdel, F.G and Asghari, M and Pshapour, A (2013) Effect of low frequency electrical stimulation on spike and wave discharges of perioral somatosensory cortex in WAG/Rij rats. Pathophysiology, 20 (3). pp. 171-176.

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Abstract

Lowfrequencyelectricalstimulationhasbeenrevealedthatasapotentialcureinpatientwithdrugresistanttoepilepsy.Thisstudytriesto evaluatetheeffectoflowfrequencyelectricalstimulation(LFS)onabsenceseizureofperioralregionprimarysomatosensorycortex(S1po). Eighteen maleWAG/RijratswerereceivedLFS(3Hz,squarewave,monophasic,200 �s, and400�A) for25minintoS1poforaperiodof fivedays.Thereis6animalspergroup.ThestimulatingelectrodeswereimplantedaccordingtostereotaxiclandmarksandEEGrecordingwas obtained 30minbeforeandafterLFStoanalysefrequency,numberanddurationofspike–wavedischarges(SWD).Theresultsshowedthatin animals withunilateralstimulatingelectrodes(Exp1)infirstandseconddaysandalsoinanimalswithbilateralstimulatingelectrodes(Exp2) in days3rdand4th.LFShadsignificantdecreaseeffects(p < 0.05)onmeannumberofSWDbetweenpre-LFS.Incomparisonpre-LFSto post-LFS, meanofdurationinExp2decreasedsignificantly.IncontinuousapplicationofLFS(5days)onlythedataoffirstdaywasdifferently significant (p < 0.05)butdataofotherdayshadnodifference.ComparisonofdatabetweenExp1,Exp2andcontrolgroupsshowedthatthe mean numberofExp1wassignificantlydifferent(p < 0.05)andmeanpickfrequencyinExp2wassignificantlydecreasedincomparisonwith Exp1 group(p < 0.05).TheLFSofS1poproducessignificantantiepilepticeffectonabsenceseizurebutitwasnotpersistenttillthenextday and showsashorttimeeffect

Item Type: Article
Additional Information: cited By 4
Uncontrolled Keywords: Absence seizure;Perioralsomatosensorycortex;Spike–wavedischarges(SWD);WAG\Rij rat
Subjects: R Medicine > R Medicine (General)
Depositing User: Unnamed user with email gholipour.s@umsu.ac.ir
Date Deposited: 30 Jul 2017 08:34
Last Modified: 25 Jun 2019 04:18
URI: http://eprints.umsu.ac.ir/id/eprint/814

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