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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.
Use the rules of probability to predict the ratios of progeny expected from two parents who are heterozygous for albinism. Note: Albinism is recessive to normal skin color. 1) What
Liverworts and mosses are characterized by their lack of vascular conducting tissue. These two groups of liverwort, plants and mosses, are known by which of the below terms: a)
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If for some reason our goblet cells are non-functional, this will adversely affect: 1. Production of somatostatin 2. Secretion of sebum from the sebaceous glands 3. Matura
using examples of invertebrate phyla illustrate how the increase in complexity is reflected by their nervous system?
Q. Illustrate the Methods to evaluate osseointegration? The criteria of success in implant dentistry remains complex. The vast majority of clinical reports noting success and f
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Winter Stratification - Thermal stratification During extremes of winter the surface layer of the lake freezes or attains a temperature close to 0° Celsius. Under these condit
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Vitamin B Complex The vitamin B complex comprises the vitamins B 1 , B 2 , B 6 and B 12 as well as the vitamin B factors biotin, folic acid, nicotinic acid and its amide as w
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