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It is a neural mechanism that plays a role in encoding of new information. Encoding takes place as a result of changes in the strength of synapses among neurons in neuronal networks that process and store information. This change occurs when one or more axons connected to some dendrite bombard it with a brief but rapid series of stimuli-such as 100 synaptic excitations per second for 1to 4 seconds. The burst of intense stimulation leaves the synapses potentiated (more responsive to new input of the same type) for minutes, days or weeks. This phenomenon is termed as long term potentiation. It occurs in many brain areas and is particularly prominent in hippocampus.
The chemicals involved in LTP are glutamate and its receptors - NMDA and AMPA. A wide variety of drugs that interfere with LTP also blocks encoding process whereas drugs that facilitate LTP enhance the process.
Define Role in protein metabolism and growth? Severe vitamin A deficiency results in abnormal RNA metabolism and protein synthesis and hence interferes with growth. Hence vitam
how does a plasma membrane regulate movement of molecules into and out of a cell? is it polarity, integrity, permeability, or solubility? these are my choices
Origin and Evolution of Metazoa Most of the early metazoans were soft bodied and so their fossils are rare. The extremely fragmented fossil record does not shed any specific l
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Define Functions of sodium and chloride? So far you have learnt that most minerals participate in important functions of body as they support the activity of specific enzymes.
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Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4 Spermatogonia - Spe
Explain the Biography of Pedanius Dioscorides? Pedanius Dioscorides, a Cicilian Greek, who lived in the first century A.D. was the most important botanist after Theophrastus. H
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