Epilepsy Research
Volume 24, Issue 3 , Pages 137-146 , July 1996

Propagation of epileptiform potentials in the guinea-pig piriform cortex is sustained by associative fibres

Received 18 December 1995 ,Revised 19 February 1996 ,Accepted 21 February 1996.

References 

  1. Biella G, de Curtis M. Associative synaptic potentials in the piriform cortex of the isolated guinea pig brain in vitro. Eur. J. Neurosci. 1995;7:54–64
  2. Crowell RM. Distant effects of a focal epileptogenic process. Brain Res. 1970;18:137–154
  3. de Curtis M, Pare' D, Llinas R. The electrophysiology of the olfactory-hippocampal circuit in the isolated and perfused adult mammalian brain in vitro. Hippocampus. 1991;1:341–354
  4. de Curtis M, Arcelli P, Debiasi S, Spreafico R, Avanzini G. Ultrastructural features of the isolated guinea pig brain maintained in vitro by arterial perfusion. Neuroscience. 1994;59:775–788
  5. de Curtis M, Biella G, Forti M, Panzica F. Multifocal epileptiform activity in the limbic system of the isolated guinea pig brain. J. Neurophysiol. 1994;71:2463–2476
  6. de Curtis M, Panzica F, Biella G. Interactions between associative synaptic inputs in the piriform cortex of the in vitro isolated guinea pig brain. Soc. Neurosci. Abstr. 1994;15:11
  7. Federico P, Borg SG, Salkauskus AG, MacVicar BA. Mapping pattern of neuronal activity and seizure propagation by imaging intrinsic optical signals in the isolated whole brain of the guinea pig. Neuroscience. 1994;58:461–480
  8. Freeman JA, Nicholson C. Experimental optimization of current source density technique for anuran cerebellum. J. Neurophysiol. 1975;38:369–382
  9. Goddard GV, Mc Intyre DC, Leech CK. A permanent change in brain function resulting from daily electrical stimulation. Exp. Neurol. 1969;25:295–330
  10. Goldensohn ES. The relevance of secondary epileptogenesis to the treatment of epilepsy: kindling and mirror focus. Epilepsia. 1984;25:S156–S168
  11. Haberly LB, Price JL. Association and commissural fibre system of the olfactory cortex of the rat. J. Comp. Neurol. 1978;178:711–740
  12. Haberly LB. Neuronal circuitry in olfactory cortex: anatomy and functional implications. Chem. Senses. 1985;10:219–238
  13. Haberly LB, Bower JM. Olfactory cortex: model circuit for study of associative memory?. TINS. 1989;12:258–264
  14. Haberly LB, Sutula TP. Neuronal processes that underlie expression of kindled epileptiform events in the piriform cortex in vivo. J. Neurosci. 1992;12:2211–2224
  15. Kairiss EW, Racine RJ, Smith GK. The development of the interictal spike during kindling in the rat. Brain Res. 1984;322:101–110
  16. Kauer JS. Contribution of topography and parallel processing to odor coding in the vertebrate olfactory pathway. TINS. 1991;14:79–85
  17. Ketchum KL, Haberly LB. Model of partial epilepsy in rat piriform cortex reveals stages in the transition from focal epileptiform activity to electrographic seizures. Soc. Neurosci. Abstr. 1992;378:12
  18. Ketchum KL, Haberly LB. Membrane currents evoked by afferent fibre stimulation in the rat piriform cortex. I. Current source density analysis. J. Neurophysiol. 1993;69:248–260
  19. Ketchum KL, Haberly LB. Endopiriform nucleus initiates afterdischarges in overlying piriform cortex in an acute model of partial epilepsy. Soc. Neurosci. Abstr. 1994;171:11
  20. Llinas R, Yarom Y, Sugimori M. Isolated mammalian brain in vitro: new technique for analysis of electrical activity of neuronal circuit function. In: 4th Ed.. Fed. Proc. 40:1981;p. 2240–2245
  21. Luskin MB, Price JL. The laminar distribution of intracortical fibres originating in the olfactory cortex of the rat. J. Comp. Neurol. 1983;216:292–302
  22. Mitzdorf U. Current source density method and application in the cat cerebral cortex: investigation of evoked potentials and EEG phenomena. Physiol. Rev. 1985;65:37–100
  23. Morrell F. Secondary epileptogenic lesions. Epilepsia. 1959/60;1:538–560
  24. Morrell F, Rasmussen T, de Toledo-Morrell L, Quesnay LF, Gloor P. Frontal lobe epilepsy of neoplastic etiology: incidence of secondary epileptogenesis. Epilepsia. 1983;25:654–655
  25. Morrell F. Secondary epileptogenesis in man. Arch. Neurol. 1985;42:318–335
  26. Muhlethaler M, de Curtis M, Walton K, Llinas R. The isolated and perfused brain of the guinea pig in vitro. Eur. J. Neurosci. 1993;5:915–926
  27. Piredda S, Gale K. A crucial epileptogenic site in the deep piriform cortex. Nature. 1985;317:623–625
  28. Racine RJ, Mosher M, Kairiss EW. The role of the piriform cortex in the generation of interictal spikes in the kindled preparation. Brain Res. 1988;454:251–263
  29. Racine RJ, Moore KA, Evans C. Kindling induced potentiation in the piriform cortex. Brain Res. 1991;556:218–225
  30. Rodriguez R, Haberly LB. Analysis of synaptic events in the opossum piriform cortex with improved current source density techniques. J. Neurophysiol. 1989;61:702–718
  31. Szente MB, Boda B. Cellular mechanisms of neocortical secondary epileptogenesis. Brain Res. 1994;648:203–214

PII: 0920-1211(96)00014-9

Epilepsy Research
Volume 24, Issue 3 , Pages 137-146 , July 1996

Article Tools