Low-frequency kindling as a new experimental model of epilepsy. 1986

Y Minabe, and Y Tanii, and Y Kadono, and M Tsutsumi, and I Nakamura

Ten cats were stimulated twice a day in the lateral amygdala with low-frequency stimulation of about 3 Hz until generalized convulsion occurred. After the completion of kindling, the longest interpulse interval required for provocation of generalized convulsion (pulse-interval threshold) was determined in each subject. The pulse-interval threshold was 1300 ms in five cats, and 900 ms in five other cats. Then the stability of pulse-interval threshold and of the number of stimulating pulses required for provocation of afterdischarge when the stimulation was delivered with the pulse-interval threshold (pulse-number threshold) was tested. The pulse-interval threshold, pulse-number threshold, and duration of afterdischarge in each stimulation did not change statistically at the interstimulation interval from 24 h to 7 days. Phenobarbital and diphenylhydantoin elevated the pulse-number threshold significantly. We propose that low-frequency kindling is a valuable experimental model of epilepsy in assessing simply and precisely the susceptibility of the epileptic focus itself and the severity of epileptic seizures.

UI MeSH Term Description Entries
D007696 Kindling, Neurologic The repeated weak excitation of brain structures, that progressively increases sensitivity to the same stimulation. Over time, this can lower the threshold required to trigger seizures. Kindlings, Neurologic,Neurologic Kindling,Neurologic Kindlings
D008297 Male Males
D002415 Cats The domestic cat, Felis catus, of the carnivore family FELIDAE, comprising over 30 different breeds. The domestic cat is descended primarily from the wild cat of Africa and extreme southwestern Asia. Though probably present in towns in Palestine as long ago as 7000 years, actual domestication occurred in Egypt about 4000 years ago. (From Walker's Mammals of the World, 6th ed, p801) Felis catus,Felis domesticus,Domestic Cats,Felis domestica,Felis sylvestris catus,Cat,Cat, Domestic,Cats, Domestic,Domestic Cat
D004558 Electric Stimulation Use of electric potential or currents to elicit biological responses. Stimulation, Electric,Electrical Stimulation,Electric Stimulations,Electrical Stimulations,Stimulation, Electrical,Stimulations, Electric,Stimulations, Electrical
D004594 Electrophysiology The study of the generation and behavior of electrical charges in living organisms particularly the nervous system and the effects of electricity on living organisms.
D004827 Epilepsy A disorder characterized by recurrent episodes of paroxysmal brain dysfunction due to a sudden, disorderly, and excessive neuronal discharge. Epilepsy classification systems are generally based upon: (1) clinical features of the seizure episodes (e.g., motor seizure), (2) etiology (e.g., post-traumatic), (3) anatomic site of seizure origin (e.g., frontal lobe seizure), (4) tendency to spread to other structures in the brain, and (5) temporal patterns (e.g., nocturnal epilepsy). (From Adams et al., Principles of Neurology, 6th ed, p313) Aura,Awakening Epilepsy,Seizure Disorder,Epilepsy, Cryptogenic,Auras,Cryptogenic Epilepsies,Cryptogenic Epilepsy,Epilepsies,Epilepsies, Cryptogenic,Epilepsy, Awakening,Seizure Disorders
D005260 Female Females
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia

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