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1990 | 41 | 1-3 |
Tytuł artykułu

Alteration of brain stem auditory evoked potentials after intracerebroventricular administration of met-enkephalin in rabbits

Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
Gregorowicz К., Kosiński S., Traczyk W. Z.: Alteration of brain stem auditory evoked potentials after intracerebroventricular administration of met-enkephalin in rabbits. Acta Physiol. Pol. 1990, 41(1-3): 63-70. Brainstem auditory evoked potentials (BAEPs) were elicited by binaural click stimulation and recorded from the rabbits with chronically implanted electrodes and a cannula for intracerebroventricular injection (i.c.v.). 4000 BAEPs were averaged off line. The registration was carried out before and after i.c.v. injection of met-enkephalin (2.5 or 25 nmol), naloxon (20 μg ), or i.v. injection of morphine (1.0, 2.0, 5.0 mg/kg b.w.). Enkephalin caused shortening of interpeak latency time, naloxon caused its lengthening, while the effect of morphine was not unidirectional. Enkephalin caused increase in the surface area below the negative peaks located in the range of 4.5-7.5 ms from the first positive peak, naloxon caused its decrease while the effect of morphine was also in this respect not unidirectional. It is concluded that opiate receptors are involved in the modulation of the auditory brainstem responses.
Wydawca
-
Rocznik
Tom
41
Numer
1-3
Opis fizyczny
p.63-70,fig.,ref.
Twórcy
  • Department of Physiology, Institute of Physiology and Biochemistry, Medical University, Lodz, Poland
autor
  • Department of Physiology, Institute of Physiology and Biochemistry, Medical University, Lodz, Poland
autor
  • Department of Physiology, Institute of Physiology and Biochemistry, Medical University, Lodz, Poland
Bibliografia
  • 1. Barnes C. D., Eltherington L. G. (1966). Drug Dosage in Laboratory Animals. A Handbook, University of California Press, Berkeley.
  • 2. Beyer C., Sawyer С. H. (1964). Effects of vigilance and other factors on non specific acoustic responses in rabbit. Explt. Neurol., 10, 156.
  • 3. Bhargava V. K., McKean С. M. (1977). Role of 5-hydroxytryptamine in the modulation of acoustic brainstem (far-field) potentials. Neuropharmacology, 16, 447 449.
  • 4. Bhargava V. K., Salamy A., McKean С. M. (1978). Effect of cholinergic drugs on the brainstem auditory evoked responses (far-field) in rats. Neurosci., 3, 821-826.
  • 5. Brix R. (1984). The influence of attention on the auditory brain stem evoked responses. Acta Otolaryngol. (Stockh.), 98, 89- 92.
  • 6. Buchwald J. S., Huang C. (1975). Origins of the far field acoustic response in the cat. Science, 189, 382-384.
  • 7. Campbell H. J., Fewer G., Harris G. W. (1964). The effect of intrapituitary infusion of median eminence and other brain extracts on anterior pituitary gonadotropic secretion. J. Physiol. (London), 170, 474- 486.
  • 8. Gerull G., Mrowiński D. (1984). Brainstem potentials evoked by binaural click stimuli with differences in interaural time and intensity. Audiology, 23, 265-276.
  • 9. Haffmans J., Blankwater Y. J., Ukponmwan O. E., Zulstra F. Vincent J. E., Hespe W., Dzoljic M. R. (1983). Correlation between the distribution of ³ H-labelled enkephalin in rat brain and the anatomical regions involved in enkephalin-induced seizures. Neuropharmacology, 22, 1021-1028.
  • 10. Hoffman D. W., Rubio J. A., Altschuler R. A., Fex J. (1984). Several distinct receptor binding enkephalins in olivocochlear Fibers and terminals in the organ of Corti. Brain Res.. 322, 59-65.
  • 11. Huang С. M. (1980). A comparative study of the brain stem auditory response animals. Brain Res., 184, 215-219.
  • 12. Jewett D. L., Williston J. S. (1971). Auditory evoked far fields average from the scalp of humans. Brain, 94, 681-696.
  • 13. Khachaturian H., Lewis M. E., Watson S. J. (1983). Enkephalin systems in diencephalon and brainstem of the rat. J. Comp. Neurol., 220, 310-320.
  • 14. Lev A., Sohmer H. (1972). Sources of averaged neural responses recorded in animal and human subject during cochlear audiometry (electrocochleogram). Arch. Ohr. Nas., Kehlk.-Heilk. 201, 79.
  • 15. Marsh R. R., Yamane H., Potsic W. P. (1984). Auditory brainstem response and temperature-relationship in guinea pig. Electroenceph. clin. Neurophysiol., 57, 289 -293.
  • 16. Matsuzaki M., Dowling K.C. (1984). Phencyklidine (PCP): effects on auditory evoked potentials in the rhesus monkey. Brain Res. Bull., 13, 153- 161.
  • 17. Pffeifer A., Pasi A., Mehraein P., Herz A. (1982). Opiate receptor binding sites in human brain. Brain Res., 248, 87-96.
  • 18. Sawyer С. H., Everett J. W., Green J. D. (1954). The rabbit diencephalon in stereotaxic coordinates. J. Comp. Neurol., 101, 801.
  • 19. Shapiro S. M., Molier A., Shiu G. K. (1984). Brain-stem auditory evoked potentials in rats with high-dose pentobarbital. Electroenceph. Clin. Neurophysiol., 58, 266-276.
  • 20. Sohmer H., Feinmesser M. (1967). Cochlear action potentials recorded from the external ear in man. Ann. Otol., 76, 427-435.
  • 21. Squires K. C., Chu N. S., Starr A. (1978). Auditory brain-stem potentials with alcohol. Electroenceph. Clin. Neurophysiol., 45, 577-584.
  • 22. Watson S. J., Khachaturian H., Akii H., Coy D. H., Goldstein A. (1982). Comparison of the distribution of dynorphin systems in brain. Science, 218, 1134-1136.
  • 23. Willard F. H., Ho R. H., Martin G. F. (1984). The neuronal types and the distribution of 5-hydroxytryptamine and enkephalin-like immunoreactive fibers in the dorsal cochlear nucleus of the North American opossum. Brain Res. Bull., 12, 253-266.
Typ dokumentu
Bibliografia
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Identyfikator YADDA
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