PSYB65H3 Lecture Notes - Carpal Bones, Cholinesterase, Convulsion
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Lecture 4 neuronal functioning, epilepsy, and transmitter substances (chapter 2, 3, 14) Dopamine system doesn"t work well, can"t move or walk properly, he shakes. Ted"s sister: has schizophrenia (hallucinates, she got the gene which caused her dopamine system to be overactive. Neurons are the cells that communicate things. They communicate through a membrane which has channels in them. These channels open up for various reasons electrically or chemically stimulated. When they open, there"s a high proportion of sodium on the outside of the cell. When these pores open up, sodium goes in. Information comes into the dendrites and then there is an action potential. The terminal button on the presynaptic side synaptic cleft synpase! postsynaptic side. Presynaptic: has synaptic vesicles, when the action potential comes the sv fuse to the membrane and release the neurotransmitter. Postsynaptic: has the receptors and take in the neurotransmitters. Life cycle of a transmitter substance: (slide1) how to help michael j.