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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.
name the sturcture formed when the male and female nuclei fuse during fertilisation.
Determine the term - techniques visualise anatomy Some techniques visualise anatomy, provide objective confirmation of structural abnormality. These include neuroradiological i
1. Identify and compare the methods of somatic gene therapies for ADA deficiency described on pp. 404-405 (Lewis) and OTC deficiency described on pp. 405-406 (Lewis). 2. Compa
Define Importance of Nutrition in Human Body? Nutrition is increasingly being recognized as an important determinant, which modulates the biological process of ageing. Poor nut
Which of the following patients will likely experience difficulty in maintaining lipoprotein synthesis resulting in elevated LDL levels? A physician is explaining to a group of med
Define the Effect of niacin deficiency on Digestive Sysytem? The predominant symptoms are glossitis and diarrhoea. Glossitis, cheilosis and stomatitis may vary from mild rednes
Why should you not apply cosmetics while doing a lab experiment in class?
Enzymatic analysis in foods: applications in food industry Did you know that the degree of bacterial contamination of foods or freshness of food, particularly, meat etc. can be
Class of Subphylum Uniramia - Insecta Class Insecta consists of nearly a million described species. There are more species of insects as compared to all the other species of a
sanguivarous mode of feeding in annelida
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