networks with input data normalised by column‚ row‚ sigmoid‚ and column constrained sigmoid normalisation. Also contained within the paper is an analysis of the performance results of back propagation neural networks with various numbers of hidden layer neurons‚ and differing number of cycles (epochs). The analysis of the performance of the neural networks is based on several criteria: incorrectly identified plants by training set (recall) and testing set (accuracy)‚ specific error within
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action potential increase slightly when add 1.0 V to the threshold voltage and stimulate the nerve? The action potential increases slightly because the nerve consists of more than one neuron‚ therefore increasing the voltage increases the number of neurons that are stimulated causing depolarization of most of the neurons 6. If you were to spend a lot of time studying nerve physiology in the laboratory‚ what type of stimulus would use‚ and why? If I spent time studying nerve physiology in a lab
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If damage to a nerve is severe or close to the cell body the entire neuron may die as well as other neurons that are normally stimulated by that particular nerve‚ may die as well. However if the cell body remains intact‚ cut or compressed the axons of the peripheral nerves can regenerate. However post trauma axon regrowth never exactly
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Immaculate Heart of Mary College SY 2012-2013 BIOLOGY EXCRETORY SYSTEM MODULE Urea is the main nitrogenous waste excreted by most mammals and is formed in the liver. It circulates the body and most of the urea produced by the body is transported to the kidneys. ORGANS OF EXCRETION ORGAN | WASTE EXCRETED | Skin | Sweat | Lungs | Carbon dioxide | Liver | Water‚ salts | Large intestine | Feces | Kidneys | Urine | THE KIDNEYS The kidneys are the main organs of excretion
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As I was waI stopped to take a breather as I was done finishing my last lap out of the 4 miles. I had called my mom to pick me up and ten minutes ago‚ but she was not here yet‚ I just assumed she was just running a little bit late. I can tell you standing outside in the flaming fiery sun‚ covered in sweat with no water bottle in hand is no fun. As I was waiting beads of sweat‚ thermoregulatory sweating‚ started appearing on my skin. The two types of sweating are eccrine glands‚ armpits‚ and apocrine
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Multiple Sclerosis is a chronic inflammatory demyelinating disease of the central nervous system and the spinal cord‚ which leads to patches of plaques in the regions of the brain and the spinal cord (Tenemabaum‚ 2011). The disease affects the body’s neurons‚ the cells of the brain and the spinal cord that carry information‚ which creates thoughts and perception‚ therefore allowing the brain to control the body instead of
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the following statements about neurotransmitters is false? a. Neurotransmitters allow impulses to flow from one neuron to another. b. Neurotransmitters prevent impulses from flowing from one neuron to another. c. Neurotransmitters are stored in the cell bodies of neurons. d. Each neurotransmitter is associated with a unique receptor. e. Unused neurotransmitter are recycled by neurons and used again. 2. Fill in the blank with the appropriate neurotransmitter: A. _______________ influences
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homeostasis II. Nerve Tissue A. Neurons (structural & functional units of nervous system) B. Neuroglial Cells (accessory cells: support neurons) 1. Astrocytes (star shaped cell) a. found between neurons and blood vessels b. provide nutrition c. support d. form scar tissue after brain tissue injury (multiply) 2. Oligodendrocytes a. smaller than astrocytes with fewer processes b. found along neurons c. form myelin sheath (brain and spinal cord neurons) 3. Microglia a. very small cells
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Response of Behavior To explain the communication process of neurons in the brain we must first understand the how a neuron works. In view of the fact that neurons form a network of electrical activities‚ they somehow have to be interconnected. When a nerve indicator‚ or impulse‚ reaches the ends of its axon‚ it has traveled as an action potential‚ or a pulse of electricity. However‚ there is no cellular continuity between one neuron and the next; there is a breach called synapse. The membranes
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yet one of the‚ if not the most‚ complex systems in the human body. It can be broken down into two main subdivisions‚ the central nervous system (CNS) and the peripheral nervous system (PNS). The central nervous system contains about 85 billion neurons and includes the spinal cord and brain. It is considered the control center of the body and processes all types of incoming sensory information. The peripheral nervous system is composed of all the other tissue outside of the central nervous system
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