NE101 Lecture 2- Roots of Neuro

NE101 Lecture 2- Roots of Neuro - NE101 Lecture 2 Roots of...

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NE101: Lecture 2 Roots of Neuroscience Connection : What is the circuitry of the brain? Cognition : How are psychological processes supported by the brain? Compartmentalization : Where are specific functions located in the brain? Cure : How do we move towards cures for mental illness? Connection: Neurons make up very small piece of brain but VERY IMPORTANT There are multiple levels of the nervous system, our job to figure out how they work together! Camillo Golgi (1872): Golgi developed the black reaction which stained a small proportion of cells. This made it easier to see the neurons because it is hard to see one from the other (like a forest, you can’t really see one tree clearly unless you make it stand out (stained)). We can se that the neurons stop at some point, not a spider web in which they are all connected physically. Or else the entire brain would be stained but for some reason it only stained a very small portion. Luigi Galvani (1791): Discovered that electrical stimulation could activate nerves and muscle. Unlike electricity, nerve conduction does not require a completed circuit and therefore used its own electrical potential: ‘animal electricity’.
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