dementia/escopolamina

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Components of lemon essential oil attenuate dementia induced by scopolamine.

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The anti-dementia effects of s-limonene and s-perillyl alcohol were observed using the passive avoidance test (PA) and the open field habituation test (OFH). These lemon essential oils showed strong ability to improve memory impaired by scopolamine; however, s-perillyl alcohol relieved the deficit

Effects of NMDA modulation in scopolamine dementia.

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D-Cycloserine is a partial agonist at the strychnine-insensitive neuronal glycine receptor and positively modulates the N-methyl-D-aspartate (NMDA) excitatory amino acid receptor. NMDA receptors appear to be important in learning and memory, and D-cycloserine facilitates learning in rats. In man,

Effects of scopolamine on visual evoked potentials in aging and dementia.

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The unusual combination of a normal pattern reversal VEP and a delayed flash VEP has been reported in patients with dementia of Alzheimer's type (DAT). Hyoscine hydrobromide has been reported to produce a similar VEP abnormality in young, healthy subjects. In the present study, we assessed the

GABA-enriched fermented Laminaria japonica improves cognitive impairment and neuroplasticity in scopolamine- and ethanol-induced dementia model mice.

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OBJECTIVE Fermented Laminaria japonica (FL), a type sea tangle used as a functional food ingredient, has been reported to possess cognitive improving properties that may aid in the treatment of common neurodegenerative disorders, such as dementia. METHODS We examined the effects of FL on scopolamine

The scopolamine model of dementia: chronic transdermal administration.

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The transient impairments of memory produced by the muscarinic antagonist scopolamine have been adopted as a pharmacological model of Alzheimer-type dementia in normal volunteers. In this study we examined the effects of chronic (72 h) transdermal administration of scopolamine on memory, attention,

Scopolamine model of dementia: electroencephalogram findings and cognitive performance.

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BACKGROUND Memory and cognitive functions are known to decline with advancing age. Studies have suggested that this may be due to a decrease in cholinergic function in the brains of elderly people. This review aims to assess studies documented in the literature dealing with the 'scopolamine model'

Effect of supplementation of vitamin E and vitamin C on brain acetylcholinesterase activity and neurotransmitter levels in rats treated with scopolamine, an inducer of dementia.

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In the present study, the effects of vitamins E and C on the levels of neurotransmitters and acetylcholinesterase activity in the brains of rats treated with scopolamine, an inducer of dementia, were examined. Fifty male Sprague-Dawley rats at the age of 5 wk were divided into five groups after 1 wk

What can preservation of autobiographic memory after muscarinic blockade tell us about the scopolamine model of dementia?

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Autobiographic memory is reported to be impaired in patients with Alzheimer's disease (AD). To determine if cholinergic blockade fully reproduces the amnestic disorder found in dementia, we evaluated aspects of autobiographic and episodic memory in six healthy elderly controls after both scopolamine

Effects of scopolamine on delayed-matching-to-sample and paired associates tests of visual memory and learning in human subjects: comparison with diazepam and implications for dementia.

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Two experiments examined dose-related effects of 200, 400 and 600 micrograms scopolamine (n = 24, s.c.) and 5 and 10 mg diazepam (n = 6, PO) on parallel tests of visual memory and learning taken from the CANTAB battery. Scopolamine significantly impaired accuracy of performance on a delayed matching

Cognitive effects of scopolamine in dementia.

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Cholinergic deficiency was postulated to play an important role in the mental decline observed in Alzheimer's (AD), Parkinson's (PD) and multiinfarct (MID) dementia. In the present study, 11 AD, 8 MID and 7 PD patients (DSM III-R diagnostic criteria for dementia) and 9 healthy age-matched controls

Meserine, a novel carbamate AChE inhibitor, ameliorates scopolamine-induced dementia and alleviates amyloidogenesis of APP/PS1 transgenic mice.

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OBJECTIVE To investigate whether Meserine, a novel phenylcarbamate derivative of (-)-meptazinol, possesses beneficial activities against cholinergic deficiency and amyloidogenesis, the two major pathological characteristics of Alzheimer's disease (AD). METHODS Ellman's assay and Morris water maze

Reconstituted mother tinctures of Gelsemium sempervirens L. improve memory and cognitive impairment in mice scopolamine-induced dementia model.

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BACKGROUND Gelsemium sempervirens (L.) J.St.-Hil is a herb used for the treatment of various neuroses in both homeopathic and Ayurvedic systems. The present study examines whether Gelsemium reconstituted tincture can protect against scopolamine induced cognitive discrepancies in amnesic mouse model.

Lavandula stoechas (L) a Very Potent Antioxidant Attenuates Dementia in Scopolamine Induced Memory Deficit Mice.

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The objective of the current project was to explore the pharmacotherapeutic role of Lavandula stoechas (L) for the management of dementia. Dementia is considered a global challenge of current century seeking special attention of pharmacologists to explore its best remedies. Methanolic extract

Neuroprotective effects of inhaled lavender oil on scopolamine-induced dementia via anti-oxidative activities in rats.

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Lavender is used in traditional medicines in Asia, Europe, ancient Greece and Rome, and was mentioned in the Bible and in ancient Jewish texts. Also, lavender is reported to be an effective medical plant in treating inflammation, depression, stress and headache. The present study was undertaken in

Scopolamine effects on memory retention in mice: a model of dementia?

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Scopolamine-treated normal young human subjects exhibit memory dysfunctions analogous to those observed in demented patients. The dysfunctions are reversible by physostigmine but not by d-amphetamine which suggests that the memory impairment is specifically related to reduced cholinergic

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