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Neuron Communication

by: Emily Scelta-Neff

Neuron Communication PIA 292

Marketplace > Adelphi University > PIA 292 > Neuron Communication
Emily Scelta-Neff

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About this Document

This is NOT about the structure of neurons; that will be the next set of notes I upload. This is a brief overview of how neurons communicate with each other and the methods by which we study that c...
Cognitive Psychology
Fareri, D
Class Notes
neurons, Psychology, cognition, communication
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This 1 page Class Notes was uploaded by Emily Scelta-Neff on Sunday September 18, 2016. The Class Notes belongs to PIA 292 at Adelphi University taught by Fareri, D in Fall 2016. Since its upload, it has received 3 views.


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Date Created: 09/18/16
Neuronal Communication Single Cell Recordings In order to study neurons, we use micro-electrodes that can pick up on the charge of a neuron. This is usually done in vitro,with a colony of neurons in a petri dish. It is rarely done in vivo. Surgery is required to do a single-cell recording in vivo, and is usually done on epileptics. We can use this process to track the firing of neurons in certain parts of the brain. Neurotransmitters A neuron’s general electrical charge is -70 millibolts, or mb. When a neuron fires, an electrical impulse, or action potential, is transmitted down it’s body. is measured in millibolts. A firing neuron will be at 50 mb. Neurons transmit information to other neurons at the synapse in the form of neurotransmitters.Neurotransmitters are chemicals that are stored in pockets at the neuron’s vesicles. When a neuron fires, the vesicle release the neurotransmitters across the synapse. Those neurotransmitters attach to the dendrites of receiving neuron. Afterwards, the unused neurotransmitters are broken down by enzymes, absorbed in a process called reuptake, or diffused. The presynaptic neuron is the neuron that fires a neurotransmission. The action potential fires down this neuron’s body. A postsynaptic neuron is a neuron that receives a neurotransmission. Its dendrites receive the neurotransmitters released by the presynaptic neuron. Neurotransmitters can be classified based on how they affect the postsynaptic neuron, by either excitatory or inhibitory function.


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