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    Physics of Neurons

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    is just the brain and spinal cord. The peripheral nervous system, PNS, includes the nerves and neurons that extend outwards from CNS, to transmit information to your limbs and organs for example. Communication between your cells is extremely important, neurons are the messengers that relay information to and from your brain. Nerve cells generate electrical signals to transmit information. Neurons are not necessarily intrinsically great electrical conductors, however, they have evolved specialized

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    What is a Neuron?

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    What is a Neuron? Human brain consists of billions of cells interconnected together, with each performing its separate functions. It consists of two explicit categories of nerves: neurons and glia cells. Neuron is a single nerve cell in the entire nervous system; which is electrically excitable cell that carries information after being processed via chemical or electrical signals. One of its key characteristics is that it does not undergo cell division. In addition, it maintains a voltage gradient

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    Sensory Neuron

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    message back dictating the muscles in one’s hand to pull away from the source of pain. Sensory neurons are nerve cells that carry signals from outside of the body to the central nervous system. Neurons form nerve fibers that transmit impulses throughout the body. Neurons consists of three basic parts: the cell body, axon, and dendrites. The axon carries the nerve impulse along the cell. Sensory and motor neurons are insulated by a layer of myelin sheath, the myelin helps

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    Classifying Neurons

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    There are different types of neurons as above. Those neurons are generally classified according to structure and the function. The nerve cells are functionally classified as sensory neurons, motor neurons and interneurons. On the other hand there are three major types of neurons exist based on the structure. Those are unipolar neuron, bipolar neuron and multipolar neuron. 1.5.1 Structurally Classified Neurons There are number of ways when categorizing the neurons as structurally. One way is

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    Hippocampal Neuron

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    the formation of the axon. Based on observations like these, Toriyama et al. (2010) attempts address the mechanisms of how neurons can sense neurite length in order to identify the longest

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    Locus Coeruleus Neurons

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    hypothesized that the activation of the noradrengic neurons in response to stimuli leads to the strengthening of specific synapses in the cortex which results in the appropriate response. However, the changes that these neurons themselves undergo due to experience or the changes in the neural circuitry between these neurons and neurons of the cortex are unclear. The present study was aimed at understanding how the activity of locus coeruleus neurons leads to cortical plasticity through norepinephrine

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    Neuron Conduction

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    of the body to another, but in a different way than in an ordinary conductor. The electrical properties are different in neural conduction because it is slower and does not very in strength (it is a all-or-nothing conduction). A nerve cell (neuron) is the basic building block of the nervous system and is specialized to transmit information. It consists of a cell body and two types of branchlike fibers, dendrites and axons (top of Figure 1). Dendrites, along the cell body, receive information

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    Mirror Neurons

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    Mirror neurons have been one of the most exciting neurological discoveries in recent years. Some researchers have even gone as far as comparing the discovery of mirror neurons to DNA. Mirror neurons may be analogous to other human sensory systems and some believe that mirror neurons represent their own unique sensory system. Mirror neurons fire when a person or animal performs certain activities as well as when they watch another perform the same activity (Winerman, 2005). Basically, they allow animals

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    Three Major Neurons

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    Neurons are cells within the nervous system that transmit information to other nerve cells, muscle, or gland cells. Most neurons have a cell body, an axon, and dendrites. The dendrite is a sensory receptor that obtains different types of stimuli. It is where the nervous impulse is generated. This stimulation of the neuron produces a nerve impulse which travels along its axon and usually responds by releasing neurotransmitters at the end of the synaptic knob. These synaptic knobs are located

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    has a superior visual system to the female which he can use to locate and intercept the female fly in flight; however, the female fly does not have this advantage. The male-specific neurons that control the fly's superior visual system are complicated and intricate. The history behind the study of the fly's neurons begins with a 19th Century scientist by the name of Cajal. He studied neural systems and was the first to isolate nerve cells near the surface of the brain. His work led to a greater

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