Benzodiazepine receptors in the medial-posterior hypothalamus mediate the reduction of hippocampal theta frequency by chlordiazepoxide

Brain Research

Volumn 954, Issue 2, 2002, Pages 194-201

  Woodnorth, M A ^a   McNaughton, Neil ^a  

^a UNIVERSITY OF OTAGO   (New Zealand)

Author keywords

Benzodiazepine; Hippocampal theta rhythm; Medial supramammillary nucleus; Posterior hypothalamic nucleus

Indexed keywords

BENZODIAZEPINE DERIVATIVE; BENZODIAZEPINE RECEPTOR; BENZODIAZEPINE RECEPTOR BLOCKING AGENT; CHLORDIAZEPOXIDE; FLUMAZENIL;

ANIMAL EXPERIMENT; ANIMAL TISSUE; ARTICLE; BRAIN DEPTH STIMULATION; BRAIN NUCLEUS; BRAIN STEM; CONTROLLED STUDY; DRUG EFFECT; HIPPOCAMPUS; HYPOTHALAMUS; MALE; NONHUMAN; PRIORITY JOURNAL; RAT; RETICULAR FORMATION; THETA RHYTHM;

ANIMALS; CHLORDIAZEPOXIDE; FLUMAZENIL; GABA MODULATORS; HIPPOCAMPUS; HYPOTHALAMUS, MIDDLE; HYPOTHALAMUS, POSTERIOR; MALE; RATS; RATS, SPRAGUE-DAWLEY; RECEPTORS, GABA-A; THETA RHYTHM; TIME FACTORS;

EID: 0037044879     PISSN: 00068993     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0006-8993(02)03267-5     Document Type: Article

References (29)

1. Coop C.F., McNaughton N., Scott D.J. Pindolol antagonizes the effects on hippocampal rhythmical slow activity of clonidine, baclofen, and 8-OH-DPAT, but not chlordiazepoxide or sodium amylobarbitone. Neuroscience. 46:1992;83-90.
2. Faris P.D., Sainsbury R.S. The role of the pontis oralis in the generation of RSA activity in the hippocampus of the guinea pig. Physiol. Behav. 47:1990;1193-1199.
3. Gray J.A., Ball G.G. Frequency specific relation between hippocampal theta rhythm, behaviour and amobarbital action. Science. 168:1970;1246-1248.
4. Gray J.A., McNaughton N. The Neuropsychology of Anxiety: An Enquiry Into the Functions of the Septo-Hippocampal System. 2nd Edition: 2000;Oxford University Press, Oxford.
5. Hindley S.W., Hobbs A., Paterson I.A., Roberts M.H.T. The effects of methyl β-carboline-3-carboxylate on social interactions and locomotor activity when microinjected into the nucleus raphe dorsalis in the rat. Br. J. Pharmacol. 86:1985;753-761.
6. James D.T.D., McNaughton N., Rawlins J.N.P., Feldon J., Gray J.A. Septal driving of hippocampal theta rhythm as a function of frequency in the free-moving male rat. Neuroscience. 2:1977;1007-1017.
7. Kirk I.J., McNaughton N. Mapping the differential effects of procaine on frequency and amplitude of reticularly-elicited hippocampal rhythmical slow activity. Hippocampus. 3:1993;526-571.
8. McNaughton N., Sedgwick E.M. Reticular stimulation and hippocampal theta rhythm in rats: effects of drugs. Neuroscience. 2:1978;629-632.
9. McNaughton N., Logan B., Panickar K.S., Kirk I.J., Pan W.-X., Brown N.T., Heenan A. Contribution of synapses in the medial supramammillary nucleus to the frequency of hippocampal theta rhythm in freely moving rats. Hippocampus. 5:1995;534-545.
10. Miller R. Cortico-Hippocampal Interplay and the Representation of Contexts in the Brain. 1991;Springer, Berlin.
11. Morris R.G.M., Hagan J.J. Hippocampal electrical activity and ballistic movement. Seifert W., Neurobiology of the Hippocampus. 1983;321-331 Academic Press, London.
12. O'Keefe J., Nadel L. The Hippocampus as a Cognitive Map. 1978;Oxford University Press, Oxford.
13. Olsen R.W. Drug interactions at the GABA receptor-ionophore complex. Annu. Rev. Pharmacol. Toxicol. 22:1982;245-277.
14. Pan W.-X., McNaughton N. The effects of injection of procaine and chlordiazepoxide into the supramammillary nucleus on the frequency of hippocampal theta rhythm in freely moving rats. Int. J. Neurosci. 84:1996;280.
15. Pan W.-X., McNaughton N. The medial supramammillary nucleus, spatial learning and the frequency of hippocampal theta activity. Brain Res. 764:1997;101-108.
16. Paxinos G., Watson C. The Rat Brain in Stereotaxic Coordinates. 3rd Edition: 1998;Academic Press, London.
17. A and benzodiazepine receptor antagonists in the region of the anterior basolateral amygdala of rats. Biol. Psychol. 37:1995;473-476.
18. Snedecor G.W., Cochrane W.G. Statistical Methods. 1967;Iowa State University Press, Ames, Iowa.
19. Thinschmidt J.S., Kinney G.G., Kocsis B. The supramammillary nucleus: is it necessary for the mediation of hippocampal theta rhythm? Neuroscience. 67:1995;301-312.
20. Vanderwolf C.H. Hippocampal electrical activity and voluntary movement in the rat. Electroencephalogr. Clin. Neurophysiol. 26:1969;407-418.
21. Vertes R.P. Selective firing of pontine gigantocellular neurons during movement and REM sleep. Brain Res. 128:1977;146-152.
22. Vertes R.P. Brain stem gigantocellular neurons: patterns of activity during behavior and sleep in the freely moving rat. J. Neurophysiol. 42:1979;214-228.
23. Vertes R.P. Brain stem activation of the hippocampus: a role for the magnocellular reticular formation and the MLF. Electroencephalogr. Clin. Neurophysiol. 50:1980;48-58.
24. Vertes R.P. An analysis of ascending brainstem systems involved in hippocampal synchronization and desynchronization. J. Neurophysiol. 46:1981;1140-1159.
25. Vertes R.P., Martin G.F. Autoradiographic analysis of ascending projections from the pontine and mesencephalic reticular formation and the median raphe nucleus in the rat. J. Comp. Neurol. 275:1988;511-541.
26. Vinogradova O.S. Expression, control, and probable functional significance of the neuronal theta rhythm. Prog. Neurobiol. 45:1995;523-583.
27. M.-A. Woodnorth, An Analysis of the Hypothalamic Control of the Frequency of Hippocampal Theta Rhythm in the Rat, Unpublished Ph.D. thesis, University of Otago, 2001.
28. M.-A. Woodnorth, R.J. Kyd, B.J. Logan, M.A. Long, N. McNaughton, Multiple hypothalamic sites control the frequency of hippocampal theta rhythm, Hippocampus (in press).
29. Woodnorth M.-A., McNaughton N. Similar effects of medial supramammillary or systemic injection of chlordiazepoxide on both theta frequency and fixed interval responding. Cogn. Affect. Behav. Neurosci. 2:2002;76-83.