Search Results - "Marks, G. A."

Blockade of GABA, type A, receptors in the rat pontine reticular formation induces rapid eye movement sleep that is dependent upon the cholinergic system by Marks, G.A, Sachs, O.W, Birabil, C.G

“…Abstract The brainstem reticular formation is an area important to the control of rapid eye movement (REM) sleep. The antagonist of GABA-type A (GABAA )…”
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Enhancement of rapid eye movement sleep in the rat by cholinergic and adenosinergic agonists infused into the pontine reticular formation by Marks, G.A, Birabil, C.G

“…The cholinergic agonist carbachol (1.1 mM) and the adenosinergic agonist cyclohexyladenosine (0.1 mM) were microinjected (60 nl) into the region of the caudal,…”
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Enhancement of rapid eye movement sleep in the rat by actions at A1 and A2a adenosine receptor subtypes with a differential sensitivity to atropine by Marks, G.A, Shaffery, J.P, Speciale, S.G, Birabil, C.G

“…The adenosine agonist cyclohexaladenosine injected into the medial pontine reticular formation of the rat induces a long-lasting increase in rapid eye movement…”
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Rapid eye movement sleep deprivation modifies expression of long-term potentiation in visual cortex of immature rats by Shaffery, J.P, Sinton, C.M, Bissette, G, Roffwarg, H.P, Marks, G.A

“…During rapid eye movement (REM) sleep, activity of non-retinal origin is propagated into central visual-system pathways in a manner similar, in pattern and…”
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A functional role for REM sleep in brain maturation by Marks, Gerald A., Shaffery, James P., Oksenberg, Arie, Speciale, Samuel G., Roffwarg, Howard P.

“…The biological function of REM sleep is defined in terms of the functions of neural processes that selectively operate during the REM sleep state. The high…”
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Infusion of adenylyl cyclase inhibitor SQ22,536 into the medial pontine reticular formation of rats enhances rapid eye movement sleep by Marks, G.A, Birabil, C.G

“…Microinjection of cholinergic and adenosinergic agonists into the medial pontine reticular formation of rats produces long lasting increases in the time spent…”
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REM sleep deprivation in monocularly occluded kittens reduces the size of cells in LGN monocular segment by SHAFFERY, J. P, OKSENBERG, A, MARKS, G. A, SPECIALE, S. G, MIHAILOFF, G, ROFFWARG, H. P

“…In this study, we test the hypothesis that when REM-state activation (which impinges upon all lateral geniculate nucleus laminae irrespective of stimulating…”
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A preliminary study of sleep in the ferret, Mustela putorius furo : A carnivore with an extremely high proportion of REM sleep by MARKS, G. A, SHAFFERY, J. P

“…Sleep and wakefulness were studied polygraphically in two adult male ferrets between the ages of 3 months and 2.5 years. Nine 24-hour recordings were obtained…”
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Neuronal activity in the lateral geniculate nucleus associated with ponto-geniculo-occipital waves lacks lamina specificity by Marks, Gerald A, Roffwarg, Howard P, Shaffery, James P

“…Ponto-geniculo-occipital (PGO) waves are spontaneously occurring field potentials recorded in the dorsal lateral geniculate nucleus (LGN) just prior to and…”
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Cholinergic responsiveness of neurons in the ventroposterior thalamus of the anesthetized rat by Marks, G A, Roffwarg, H P

“…Acetylcholine has been implicated as an important neurotransmitter in the mechanisms of thalamic activation. Cholinergic mechanisms are thought to directly…”
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Spontaneous activity in the thalamic reticular nucleus during the sleep/wake cycle of the freely-moving rat by Marks, G A, Roffwarg, H P

“…Neurons of the somatosensory thalamic reticular nucleus (TRN) were studied by extracellular recordings through the sleep/wake cycle in the unanesthetized,…”
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Evidence for a Role of Delta Sleep-Inducing Peptide in Slow-Wave Sleep and Sleep-Related Growth Hormone Release in the Rat by Iyer, Kanak S., Marks, G. A., Kastin, A. J., McCann, S. M.

“…To examine the role of delta sleep-inducing peptide (DSIP) in sleep-related growth hormone (GH) release, male rats were deprived of sleep for 4 hr by placing…”
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Increased gamma - and Decreased delta -Oscillations in a Mouse Deficient for a Potassium Channel Expressed in Fast-Spiking Interneurons by Joho, Rolf H, Ho, Chi Shun, Marks, Gerald A

“…  1 The Center for Basic Neuroscience and   2 Department of Psychiatry, The University of Texas Southwestern Medical Center, Dallas, Texas 75235-9111 Joho,…”
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Cholinergic modulation of responses to glutamate in the thalamic reticular nucleus of the anesthetized rat by Marks, G A, Roffwarg, H P

“…Neurons in the thalamic reticular nucleus (TRN) of the chloral hydrate-anesthetized rat were studied with extracellular recording and microiontophoretic…”
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Adenosine A1 receptors mediate inhibition of cAMP formation in vitro in the pontine, REM sleep induction zone by Marks, Gerald A., Birabil, Christian G., Speciale, Samuel G.

“…Microinjection of adenosine A1 receptor agonist or an inhibitor of adenylyl cyclase into the caudal, oral pontine reticular formation (PnOc) of the rat induces…”
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The cholinergic influence upon rat dorsal lateral geniculate nucleus is dependent on state of arousal by Marks, G A, Roffwarg, H P

“…Several lines of evidence suggest a role for acetylcholine (ACh) in mediating the effects of state of arousal on transfer of visual information through the…”
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Sleep state-specific neuronal activity in rat dorsal lateral geniculate nucleus is not altered by local serotonin and norepinephrine depletion by MARKS, G. A, SPECIALE, S. G, ROFFWARG, H. P

“…The relay cells in dorsal lateral geniculate nucleus (dLGN) represent one among many populations of neurons throughout the neuraxis that display systematic…”
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Serotonergic inhibition of the dorsal lateral geniculate nucleus by Marks, G A, Speciale, S G, Cobbey, K, Roffwarg, H P

“…Electrophysiological studies were conducted on chloral hydrate-anesthetized rats to determine if the dorsal raphe nucleus (DR) exerts an inhibitory influence…”
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A method for concurrent local intracranial drug infusion and electrophysiological recording by Marks, G A, Speciale, S G, Roffwarg, H P

“…A method employing a cannula-guidetube system with attached electrodes is described that permits infusions into discrete brain areas and simultaneous recording…”
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PGO waves and insomnia in PCPA-treated rats by Marks, G A, Roffwarg, H P

“…The serotonin-depleting drug, parachlorophenylalanine (PCPA), in a dosage of 300 mg/kg, was administered to rats in an effort to test the hypothesis that…”
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