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| Keywords: Nicotine increases dopamine release in a synapse.gif en Figure 3 2 Nicotine binds to specific receptors on the presynaptic neuron When nicotine binds to receptors at the cell body it excites the neuron so that it fires more action potentials electrical signals represented by jagged shape in lower left of figure that move toward the synapse causing more dopamine release not shown in figure When nicotine binds to nicotine receptors at the nerve terminal the amount of dopamine released in response to an action potential is increased ~NIH 2013-04-12 09 49 54 http //science education nih gov/supplements/nih2/addiction/guide/lesson3-1 htm United States National Institute of Health PD-USGov Uploaded with UploadWizard Tobacco-related graphics Schizophrenia | ||||
