PSY-1 Lecture Notes - Lecture 9: Lumbar Puncture, Methamphetamine, Opiate

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10 Jul 2020
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Most drugs and poisons have their effects by interfering with normal neurotransmission processes; for example: and cell walls. Receptor agonists mimics neurotransmitters, activating receptors on dendrites. Receptor antagonists block neurotransmitters from activating receptors. Reuptake inhibitors prevents axon terminals from recycling neurotransmitters, leaving them in the synaptic gap to activate other receptors. Enzyme inhibitors which prevent enzymes from breaking down extra neurotransmitters, leaving them in the synaptic gap to activate other receptors. Most addictive drugs, including alcohol, cocaine, and methamphetamine, Morphine and other opiate painkiller mimic the activity of endorphins. active dopamine receptors in the brain"s reward circuits. First neural net appeared around 700 million years ago. True brains did not appear until around 500 million years ago. Gave way to the development of the nervous system. The nerves exiting the central nervous system that carry sensory and motor information to and from the rest of the body. Process incoming information and send commands to the rest of the body.

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