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    into CNS Depot Binding Biotransformation and elimination Pharmacokinetics Factors that affect movement of a drug into‚ through‚ and out of the body Pharmacodynamics (neuropsychopharmacology) a dynamic interaction: the study of the changes in neurons and how it changes and is influenced by behavior. Example- moods/expectations can influence the response to a drug Bioavailability the concentration of drug present in the blood that is free to bind to specific target sites. *Pharmacokinetic factors

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    The Spinal Cord

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    cord from the sensory cells of the cord to the sensory centre of the brain. 2. ANTERIOR HORNS – The anterior horns of the spinal cord is the front grey matter section of the spinal cord. It contains motor neurons that affect the axial muscles. The cell bodies of the alpha motor neurons are located here. A motor impulse from the motor centre in the brain is carried down to the motor cell in the spinal cord by an efferent fibre. POSTERIOR HORNS – The posterior horns of the spinal cord

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    Sense Organs

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    BIOLOGY Are eyes enough to enjoy this natural splendour ...? Didn’t you notice the picture drawn by Raju and its caption? What is your opinion about the caption? You too might have got the opportunity to enjoy such scenes from nature. What have your blissful experiences in such situations been? — — — — — Colourful scenes The chirping of birds The gentle pat of the breeze The intoxicating fragrance of flowers The honey-sweetness of mango 7 BIOLOGY Though these are different experiences

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    Research has determined that ageing is important to consider when looking at neurodegenerative diseases and there cause‚ such as Alzheimer’s disease. It is thought that neuronal loss is primarily involved in neurodegeneration when in fact it seems that synaptic strength‚ or plasticity‚ is more vulnerable to the process of ageing (1). Biochemical and structural alterations of the synapse such as changes in lipid composition in certain areas of the brain are also thought to be associated with this

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    cerebral cortex. The cerebral cortex is so significant since it controls our ability to learn and store complex and abstract information. Also‚ it is our control and information processing center. The cerebral cortex consists of many interconnected neurons that are quite useful. The cerebral cortex covers the frontal lobe. This lobe is so important because it controls our organization‚ planning‚ and creative thinking. The frontal lobe is also in control of the planning of movements and working memory

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    Human Development - Brain

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    HDFS August 21‚ 2013 The Brain Brain changes well into adulthood. Neurons are electrochemical Albert Einstein had more glia cells Brain fed by blood vessels Cell body of each neuron length 600 miles Dendrites are nerve cells ears Length of neuron is the axon. Conducts electrical impulse down to the terminal buttons Terminal Buttons go to Dendrites Neurotransmitter travels across the gap between terminal buttons and dendrites. One type of glia cell make up the myelin sheath When myelin

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    The Brain and Cranial Nerves Chapter 14 Notes 14.1 Brain Organization‚ Protection‚ and Blood Supply * brain: a portion of the CNS made of neurons and neuroglia * control center for registering sensations and correlating them together and with stored information to make decisions and take action * center for intellect‚ emotions‚ behavior and memory * neural tube: brain and spinal cord develop from the ectodermal tube * anterior part expands * inner

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    correctly answered: b. negative What does it mean that the voltage just inside the membrane is negative? You correctly answered: b. There are more negative charges than positive charges just inside the membrane. The membrane of most cells‚ including neurons‚ contains passive‚ open‚ K+ leak channels. Given the normal K+ concentrations and the resultant concentration gradient‚ which direction would K+ be expected to move (diffuse) through these leak channels? You correctly answered: b. out of the cell

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    How does Cannabis cause addiction? Addiction is seen as a difficult medical disorder by the NHS‚ this is because of how the chemical imbalance is altered as illicit drugs tap into the way the nerve cells communicate. There are two prominent ways in which drugs of abuse and legal drugs affect the brain. The first way is by mimicking the brains natural chemicals. Another way in which the brain can be affected is through the overstimulation of the limbic reward system. The majority of illicit drugs

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    Nav1.7 Research Paper

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    Pain is an essential sensation needed for survival but on the other hand chronic pain can be a detrimental medical condition. Sensation of pain typically originates from nociceptors located at peripheral neurons (Cummins et al.‚ 2007). Changes brought about in peripheral and central neurons due to altered activity of several ion channels have been linked to the degree of pain sensation. One of the most compelling evidence in the study of pain comes from people who have complete loss of sensation

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