[On the place of the reticular formation in the analyzer systems].
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Brain Stem↗
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Results for “Reticular Formation”
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[Inhibition by repetitive stimulation of the striate body of responses evoked by somatic stimulation at the level of the reticular formation and the thalamus].
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Basal Ganglia↗
[Reticular formation of the brain stem an and physiology of sleep].
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Brain Stem↗
Mechanism of adrenalin and aminazine action on the direct application to the midbrain reticular formation.
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Animals↗
[Provoked vocal emission in cats by stimulation of the mesencephalon reticular formation].
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Animals↗
[Circadian rhythm of the ratio of arginine- and lysine-rich histones in the neurons and their glial cell satellites of the reticular formation].
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Animals↗
[Proceedings: Single electric discharge response of the neurosecretory cells of the supraoptic nucleus of cats to the electric stimulation and osmotic pressure given to the septal area and brain stem reticular formation].
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Animals↗
Centrencephalic epilepsy induced by cobalt in the brain stem reticular formation.
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Animals↗
[Influence of activation of the midbrain reticular formation on seizure activity].
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Animals↗
[Effect of triftazin on the ultrastructure of neurons in the rat brain reticular formation].
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Animals↗
[Induction of sound sleep in cats by direct electric stimulation of the cerebral neocortex and the troncoencephalic reticular formation].
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Animals↗
Acetylcholinesterase activity of the human lower brain stem with special regard to the reticular formation.
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Acetylcholinesterase↗
[Modifications of unit activity at the level of the bulbar reticular formation during hypercapnia and hyperoxia].
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Animals↗
[Comparison of the effects of localized destructions of the subthalamus and of the mesencephalic reticular formation].
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Animals↗
Seasonal differences in circadian acetylcholinesterase activity in the brain stem reticular formation of the mouse.
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Acetylcholinesterase↗
[Neurochemical characteristics of alimentary motivation at the level of reticular formation neurons].
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Animals↗
Reticular formation and pain: toward a unifying concept.
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Animals↗
Long-term enhancement of REM sleep by the pituitary adenylyl cyclase-activating polypeptide (PACAP) in the pontine reticular formation of the rat.
In rats, rapid eye movement (REM) sleep can be elicited by microinjection of vasoactive intestinal polypeptide (VIP) into the oral pontine reticular nucleus (PnO). In the present study, we investigated whether this area could also be a REM-promoting target for a peptide closely related to VIP: the pituitary adenylyl cyclase-activating polypeptide (PACAP). When administered into the posterior part of the PnO, but not in nearby areas, of freely moving chronically implanted rats, PACAP-27 and PACAP-38 (0.3 and 3 pmol) induced a marked enhancement (60-85% over baseline) of REM sleep for 8 h that could be prevented by prior infusion of the antagonist PACAP-(6-27) (3 pmol) into the same site. Moreover, injections of PACAP into the centre of the posterior PnO resulted in REM sleep enhancement which could last for up to 11 consecutive days. Quantitative autoradiography using [125I]PACAP-27 revealed the presence in the PnO of specific binding sites with high affinity for PACAP-27 and PACAP-38 (IC50 = 2.4 and 3.2 nM, respectively), but very low affinity for VIP (IC50 > 1 microM). These data suggest that PACAP within the PnO may play a key role in REM sleep regulation, and provide evidence for long-term (several days) mechanisms involved in such a control. PAC1 receptors which have a much higher affinity for PACAP than for VIP might mediate this long-term action of PACAP on REM sleep.
Animals↗