Urethane anesthesia blocks the development and expression of kindled seizures |
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| Authors: | D P Cain A Raithby M E Corcoran |
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| Affiliation: | Department of Psychology, University of Western Ontario, London, Canada. |
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| Abstract: | The effect of anesthetic and subanesthetic doses of urethane on the development of amygdala kindled seizures and on the expression of previously kindled seizures was studied in hooded rats. An anesthetic dose of urethane (1.5 g/kg) almost completely eliminated evoked afterdischarge and completely eliminated convulsive behavior in both groups. It also eliminated the seizure response to pentylenetetrazol. Subanesthetic doses of urethane (0.25 and 0.5 g/kg) strongly attenuated the expression of previously kindled seizures. These results suggest that urethane may not be an appropriate anesthetic for the study of epileptiform phenomena. |
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