{"_id":"vgYNZet63GMPQAG42","bibbaseid":"troyer-blanton-kriegstein-abnormalactionpotentialburstsandsynchronizedgabamediatedinhibitorypotentialsinaninvitromodeloffocalepilepsy-1992","author_short":["Troyer, M D","Blanton, M G","Kriegstein, A R"],"bibdata":{"bibtype":"article","type":"article","title":"Abnormal action-potential bursts and synchronized, GABA-mediated inhibitory potentials in an in vitro model of focal epilepsy","author":[{"propositions":[],"lastnames":["Troyer"],"firstnames":["M","D"],"suffixes":[]},{"propositions":[],"lastnames":["Blanton"],"firstnames":["M","G"],"suffixes":[]},{"propositions":[],"lastnames":["Kriegstein"],"firstnames":["A","R"],"suffixes":[]}],"abstract":"Focal, freeze-induced lesions were made in isolated hemispheres of turtle cerebral cortex in vitro, permitting the investigation of epileptiform discharges in a preparation with preserved intracortical circuitry. Freeze lesions resulted in interictal discharges and occasional ictal-like events. The interictal discharges were dependent upon activation of non-NMDA excitatory amino acid receptors and were affected by but did not require NMDA receptor activation. Voltage clamp and current clamp recordings revealed abnormal bursts of low-amplitude action potentials in 36% of recorded neurons, while large, repetitive inhibitory potentials, mediated by GABAA receptors, were recorded in 90% of the neurons. Thus, prominent findings in this model include abnormalities of both excitatory and inhibitory activity. Since these changes in neuronal excitability resulted from a localized physical injury, they may resemble the changes that occur in acute posttraumatic epilepsy.","journal":"Epilepsia","volume":"33","number":"2","pages":"199–212","month":"March","year":"1992","address":"United States","language":"en","bibtex":"@ARTICLE{Troyer1992-ro,\n title = \"Abnormal action-potential bursts and synchronized,\n {GABA-mediated} inhibitory potentials in an in vitro model of\n focal epilepsy\",\n author = \"Troyer, M D and Blanton, M G and Kriegstein, A R\",\n abstract = \"Focal, freeze-induced lesions were made in isolated hemispheres\n of turtle cerebral cortex in vitro, permitting the investigation\n of epileptiform discharges in a preparation with preserved\n intracortical circuitry. Freeze lesions resulted in interictal\n discharges and occasional ictal-like events. The interictal\n discharges were dependent upon activation of non-NMDA excitatory\n amino acid receptors and were affected by but did not require\n NMDA receptor activation. Voltage clamp and current clamp\n recordings revealed abnormal bursts of low-amplitude action\n potentials in 36\\% of recorded neurons, while large, repetitive\n inhibitory potentials, mediated by GABAA receptors, were recorded\n in 90\\% of the neurons. Thus, prominent findings in this model\n include abnormalities of both excitatory and inhibitory activity.\n Since these changes in neuronal excitability resulted from a\n localized physical injury, they may resemble the changes that\n occur in acute posttraumatic epilepsy.\",\n journal = \"Epilepsia\",\n volume = 33,\n number = 2,\n pages = \"199--212\",\n month = mar,\n year = 1992,\n address = \"United States\",\n language = \"en\"\n}\n\n","author_short":["Troyer, M D","Blanton, M G","Kriegstein, A R"],"key":"Troyer1992-ro","id":"Troyer1992-ro","bibbaseid":"troyer-blanton-kriegstein-abnormalactionpotentialburstsandsynchronizedgabamediatedinhibitorypotentialsinaninvitromodeloffocalepilepsy-1992","role":"author","urls":{},"metadata":{"authorlinks":{}}},"bibtype":"article","biburl":"https://bibbase.org/f/EJMp3HRuxirjxpcXh/references.bib","dataSources":["sAFYeB74DpbdXM9NN","4zx9n2tbeLTix3Wxr","k3cdWrThyTh5o59Rm","hq9pebjzmsTuyxGGx","h8Atv2SAy4PmShg5j"],"keywords":[],"search_terms":["abnormal","action","potential","bursts","synchronized","gaba","mediated","inhibitory","potentials","vitro","model","focal","epilepsy","troyer","blanton","kriegstein"],"title":"Abnormal action-potential bursts and synchronized, GABA-mediated inhibitory potentials in an in vitro model of focal epilepsy","year":1992}