There are many interrelated parts that make up the brain, providing essential functions necessary to human life. Human brain functions are responsible for humans being able to talk and reason, as well as process visuals and emotions. When you make a decision, you probably don’t think about how much you’re using your brain to make that choice. The cerebral cortex, your brain’s primary structure, is highly involved with how you learn “new information, form thoughts and make decisions,” according to A Guide to Brain Anatomy, Function and Symptoms.

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