PSY 351 Chapter Notes - Chapter 4: Tyrosine, Postganglionic Nerve Fibers, Raphe Nuclei
1 Apr 2014
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The effect is fast as it goes straight into the blood vessel. Prevent vesicles from releasing nt: neurotransmitter is a chemical that transmit signals from one neuron to another across the synapse, neuromodulator is a substance that alter nerve impulse, control muscle movement a. b. Ionotropic ach receptor & metabotropic ach receptor: monoamines are neurotransmitter that contain one amino group, catecholamines is a class of amines that includes dopamine, norepinephrine and epinephrine b. Indoleamines is a class of amines that include 5-ht (serotonin: da is dopamine, nigrostriatal, mesolimbic and mesocortical. Dopa decarboxylase: nmda = a specialized ionotropic glutamate receptor that controls the calcium channel. Ampa = a specialized ionotropic glutamate receptor that controls the sodium channel: gabaa = a ionotropic receptor that controls the chloride channel. Produces feelings of pleasure when released by the brain. Have multiple functions depending on its location. The major inhibitory neurotransmitter in the brain. Regulate neuronal excitability throughout the nervous system.
