During afterdischarges in the young rat in vivo extracellular potassium is not elevated above adult levels

Developmental Brain Research

Volumn 91, Issue 1, 1996, Pages 136-139

  Stringer, Janet L ^a   Lothman, Eric W ^b  

^a BAYLOR COLLEGE OF MEDICINE   (United States)

^b UNIVERSITY OF VIRGINIA MEDICAL CENTER   (United States)

Author keywords

Afterdischarge; CA1; Dentate gyrus; Epilepsy; Extracellular potassium; Ontogeny

Indexed keywords

POTASSIUM;

ADOLESCENT; AFTERDISCHARGE; ANIMAL EXPERIMENT; ARTICLE; BRAIN DEVELOPMENT; CONTROLLED STUDY; DENTATE GYRUS; ELECTROPHYSIOLOGY; FEMALE; HIPPOCAMPUS; MALE; NONHUMAN; PRIORITY JOURNAL; RAT; SEIZURE;

EID: 0030053466     PISSN: 01653806     EISSN: None     Source Type: Journal    
DOI: 10.1016/0165-3806(95)00165-4     Document Type: Article

References (18)

1. Altman, J. and Das, G., Autoradiographic and histological evidence of postnatal hippocampal neurogenesis in rats, J. Comp. Neurol., 124 (1965) 319-336.
2. + in the transition from the interictal state to seizures, Brain Res., 48 (1972) 127-134.
3. +2 changes during epileptiform discharges in the immature rat neocortex, Dev. Brain Res., 36 (1987) 299-303.
4. Krnjevic, K. and Morris, M.E., Electrical and functional correlates of changes in transmembrane ionic gradients produced by neural activity in the central nervous system. In T. Zeuthen (Ed.) Application of Ion-selective Microelectrode, Elsevier, Amsterdam, 1981, pp. 195-216.
5. Louvel, J., Avoli, M., Kurcewicz, I. and Pumain, R., Extracellular free potassium during synchronous activity induced by 4-amino-pyridine in the juvenile rat hippocampus, Neurosci. Lett., 167 (1994) 97-100.
6. +: relation to epileptogenesis, Epilepsia, 15 (1974) 375-393.
7. Moshe, S.L., Albala, B.J., Ackermann, R.F. and Engel, J., Increased seizure susceptibility of the immature brain, Dev. Brain Res., 7 (1983) 81-85.
8. Mutani, R., Futamachi, K.J. and Prince, D.A., Potassium activity in immature cortex, Brain Res., 75 (1974) 27-39.
9. Schlessinger, A., Cowan, W. and Gottlieb, D., An autoradiographic study of the time of origin and the pattern of granule cell migration in the dentate gyrus of the rat, J. Comp. Neurol., 159 (1975) 149-176.
10. Schwartzkroin, P.A., Epileptogenesis in the immature central nervous system, In P.A. Schwartzkroin and H. Wheal (Eds.), Electrophysiology of Epilepsy, Academic Press, London, 1984, pp. 389-412.
11. Somjen, G.G., Interstitial ion concentration and the role of neuroglia in seizures, In P.A. Schwartzkroin and H. Wheal (Eds.), Electrophysiology of Epilepsy, Academic Press, London, 1984, pp. 305-341.
12. Somjen, G.G., Extracellular potassium in the mammalian nervous system, Annu. Rev. Physiol., 41 (1979) 159-177.
13. Stringer, J.L. and Higgins, M.G., Pharmacological characterization of the afterdischarge that precedes the onset of maximal dentate activation in the rat, Neuropharmacology, 33 (1994) 625-633.
14. Stringer, J.L. and Lothman, E.W., Ontogeny of hippocampal after-discharges in the urethane-anesthetized rat, Dev. Brain Res., 70 (1992) 223-229.
15. Stringer, J.L., Williamson, J.M. and Lothman, E.W., Induction of paroxysmal discharges in the dentate gyrus: frequency dependence and relationship to afterdischarge production, J. Neurophysiol., 62 (1989) 126-135.
16. Swann, J.W., Brady, R.J., Smith, K.L. and Pierson, M.G., Synaptic mechanisms of focal epileptogenesis in the immature nervous system, In J. Swann and A. Messer (Eds.), Disorders of the Developing Nervous System: Changing Views on Their Origins, Diagnoses and Treatment, Alan Liss, New York, 1988, pp. 19-49.
17. + accumulation during penicillin-induced epileptogenesis in the CA3 region of immature rat hippocampus, Dev. Brain Res., 30 (1986) 243-255.
18. Van Harreveld, A. and Malhotra, S.A., Extracellular space in the cerebral cortex of the mouse, J. Anat., 101 (1967) 197-201.