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Acetylcholine, a well known neurotransmitter, plays a critical synaptic role in the initial formation of memory. Chemical blockage of the acetylcholine receptors makes it harder to learn and remember even in healthy young people. Evidence for it comes from pharmacological studies conducted on human subjects wherein blockage of muscarinic cholinergic receptors by drugs such as scopolamine impaired the encoding of new memories. Conversely, drugs which activated nicotinic receptors enhanced the encoding of new information.
Similarly administration of scopolamine into the hippocampus impaired encoding of spatial memory. It has also been found that administration of drug that increases the level of acetylcholine in Alzheimer's disease (characterised of memory problems) improves memory by inhibiting the action of acetyl cholinesterase, an enzyme that breaks down acetylcholine and reduces its amount. Overall it can be said that decreased acetylcholine in the brain cause problems with memory function.
general characteristics
draw a well labled diagram of plasmotomy
A cross among wild-type fruitfly Drosophila melanogaster [normal bristles and grey body (s+s, e+ e)] with a mutant fly [short bristles and ebony body (ss ee)] produces following p
Define Interaction with carbohydrate, fats and proteins? Dietary carbohydrates, fats and proteins require water-soluble vitamins for their metabolism and in turn, influence the
Define Blank Titration for Saponification Number of Fats? Pipette 5 ml of alcoholic KOH in a 250 ml conical flask. Titrate against standardized HCI using phenolphtalein as an i
Q. Can you explain about Diagnostic coronary angiography? Diagnostic coronary angiography has become one of the primary components of cardiac catheterization. In a coronary ang
Explain Nutrition diagnosis Nutrition diagnosis is the identification and labelling that describes an actual occurrence, risk of, or potential for developing a nutrition probl
what are the characteristics of polychaeta
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Which is plant tissue responsible for the filling of the space between other tissues? Plant-filling tissue is basically called as parenchyma and the plant parenchyma can be div
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