PSY100H1 Lecture Notes - Lecture 6: Chicken Coop, Roger Perry, Oliver Sacks
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Psy100 - lecture 6 - the brain cont. Focus: everything depends on the quality of how you can relate. What we are depends on neurotransmitters, which have different functions that are performed in conjunction with the next level of analysis (such as neuroanatomy). Keep in mind that each part of the brain is special, and performs various specialized tasks. Dopamine works by integrating in various little parts of the parts of the brain. Nestler and malenka found that drug abuse changes the brain"s natural reward circuitry. Our brains are not functionally adapted to drugs. Stimulation of the pathways reinforces behaviour, ensuring that what you did you will do again (aka the brain"s system is highjacked by the drug aka addiction). You can get a dopamine rush out of the merest of activities: The vta sits on top of the brain stem. It must play a major part in basic functions.