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field/scopolamine
Krækjan er vistuð á klemmuspjaldið
Bls 1 frá 346 niðurstöður
Scopolamine enhances middle-latency auditory evoked magnetic fields.
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To study the influence of central cholinergic muscarinic transmission on human cortical middle-latency auditory evoked magnetic fields (MAEF), centrally acting antagonist scopolamine hydrobromide (0.3 mg, i.v.), and peripheral muscarinic receptor antagonist glycopyrrolate (0.2 mg, i.v.), were
Dose-response effects of scopolamine on activity in an open field.
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The frequency of the responses, i.e., squares entered (ambulation), rearing and grooming, were recorded over 30 min for saline, and 0.25, 1.0, 2.0 and 4.0 mg/kg scopolamine treated groups. Scopolamine produced an inverted U dose-response curve for ambulation, an increase in rearing but no effect on
Decreased scopolamine yield in field-grown Duboisia plants regenerated from hairy roots.
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Hairy root cultures were obtained from hybrid clones of Duboisia myoporoides x D. leichhardtii following transformation by Agrobacterium rhizogenes strain A4. Shoots spontaneously regenerating from the hairy root cultures were rooted and transferred to soil. The plants displayed typical
Scopolamine produces locomotor stereotypy in an open field but apomorphine does not.
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Both dopaminergic and nondopaminergic drugs produce hyperlocomotion in rats. Dopaminergic drugs also produce focused stereotypy (absence of locomotion and intense sniffing or licking/biting of a restricted area of the environment). Some drugs produce repetitive routes of locomotion; this phenomenon
Amnesia of inhibitory avoidance by scopolamine is overcome by previous open-field exposure.
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The muscarinic cholinergic receptor (MAChR) blockade with scopolamine either extended or restricted to the hippocampus, before or after training in inhibitory avoidance (IA) caused anterograde or retrograde amnesia, respectively, in the rat, because there was no long-term memory (LTM) expression.
Post-training scopolamine treatment induced maladaptive behavior in open field habituation task in rats.
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The effects of scopolamine on memory consolidation are controversial and depend on several factors (i.e. site of administration, time of administration and testing, dose, cognitive task, experimental protocol, specie, strain, etc.). Generally, the range dose of systemic administered scopolamine,
Scopolamine reduces the P35m and P60m deflections of the human somatosensory evoked magnetic fields.
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Acetylcholine (ACh) is a potent neuromodulator in the brain with multiple, complex effects on neuronal function, most of which are mediated by muscarinic receptors. Generally, the most significant effect is excitation of pyramidal neurones and facilitation of responses to afferent stimulation. Much
Cholinergic modulation of vibrissal receptive fields in trigeminal nuclei.
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In sensory systems, it is usually considered that mesopontine cholinergic neurons exert their modulatory action in the thalamus by enhancing the relay of sensory messages during states of neural network desynchronization. Here, we report a projection heretofore unknown of these cholinergic cells to
Promoting scopolamine biosynthesis in transgenic Atropa belladonna plants with pmt and h6h overexpression under field conditions.
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Atropa belladonna is one of the most important plant sources for producing pharmaceutical tropane alkaloids (TAs). T1 progeny of transgenic A. belladonna, in which putrescine N-methyltransferase (EC. 2.1.1.53) from Nicotiana tabacum (NtPMT) and hyoscyamine 6β-hydroxylase (EC. 1.14.11.14) from
Changes of open field behavior in animal model of depression.
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Animal model of depression was developed by means of chronic exposure of rat pups to anticholinergic drugs (Atropine, Scopolamine) during the early life period from postnatal day 7 (P7) and/or 14 (P14) to P21 and/or P28, respectively. Such procedure resulted in lasting behavioral changes that were
Cholinergic transmission underlies modulation of frustration by open field exposure.
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Frustration can be defined as an emotional state generated by the omission or devaluation in the quantity or quality of an expected appetitive reward. Thus, reactivity to a reward is affected by prior experience with the different reinforcer values of that reward. This phenomenon is known as
Effects of prenatal AZT+3TC treatment on open field behavior and responsiveness to scopolamine in adult mice.
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Treatment of pregnant seropositive women and their neonates with the nucleoside analogs (reverse transcriptase inhibitors) zidovudine (AZT), lamivudine (3TC) and their combination has become a standard of care in industrialized countries to prevent transmission of the HIV-1 virus. Animal studies
Effects of arecoline and scopolamine on open field behavior of adult monkeys treated with lead during the first year postpartum.
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Nursery-reared rhesus monkeys were treated with no or moderate levels of lead during the first year postpartum. Previously, the lead-treated monkeys exhibited behaviors in the nonhuman primate version of the open field (10) resembling those caused by hippocampal lesions. The current study
Effects of the cholinesterase inhibitors donepezil and metrifonate on scopolamine-induced impairments in the spatial cone field orientation task in rats.
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The aim of these experiments was to assess whether the clinically validated cognition enhancers donepezil (Aricept, E2020) and metrifonate antagonize scopolamine-induced deficits in the cone field, a complex spatial discrimination task. The cone field task allows measurement of the effects of
Differential effects of intracerebroventricular AF64A injection, nucleus basalis of Meynert lesion, and scopolamine on place navigation and open-field behavior of rats.
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The present study was conducted to compare the behavioral effects of intracerebroventricular AF64A injection, electrolytic lesion of the nucleus basalis of Meynert (NBM), and systemic scopolamine treatment, all of which are typical experimental models of central cholinergic system dysfunction, on
Heillasta gagnagrunnur lækningajurtanna sem studdur er af vísindum
- Virkar á 55 tungumálum
- Jurtalækningar studdir af vísindum
- Jurtaviðurkenning eftir ímynd
- Gagnvirkt GPS kort - merktu jurtir á staðsetningu (kemur fljótlega)
- Lestu vísindarit sem tengjast leit þinni
- Leitaðu að lækningajurtum eftir áhrifum þeirra
- Skipuleggðu áhugamál þitt og vertu vakandi með fréttarannsóknum, klínískum rannsóknum og einkaleyfum
Sláðu inn einkenni eða sjúkdóm og lestu um jurtir sem gætu hjálpað, sláðu jurt og sjáðu sjúkdóma og einkenni sem hún er notuð við.
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