How do we confirm that “amagdalae” process fear, the hippocampus create memories, etc.
In: Biology
Two ways:
First: They take a video of your brain’s chemicals, and when they show you something sad, happy, etc and you feel sad or happy they see what parts are active since they show lots of chemicals being released.
Second, old way: They physically look at the areas of the brain damaged from people who survived strokes, car crashes, or otherwise experienced traumatic brain injury. The things they could no longer do or had trouble doing, feeling, thinking, or remembering were associated with the part that was damaged. Therefore since they damaged X part of the brain and they can no longer do Y, then Y is from X.
Adding on to the other great answer, we have tests that can analyze the electricity in your brain. Tests allow us to see how the signals are being transmitted and where, as well as the electrical functioning which can help us understand what happens when certain parts of the brain cannot function. Tests are used to help diagnose and treat neurological and cranial conditions like epilepsy.
And along with brain damage observation, we also have results from the lobotomies that were performed in the 1940s through 50s that help us understand what does what.
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