Chapter 3 is essentially an overview of the biological aspect of psychology. It discusses synapses, neurons, and basically just discusses the chemistry of the brain, as well as the brain's cellular composition. It discusses the brain's various lobes and cortexes, and goes over their respective roles. One of the more disappointing discoveries I made when scanning this chapter is that contrary to popular belief, the brain is often running at its full capacity. Unfortunately, this discovery renders the movie "Limitless" pretty much useless. I also thought that the part discussing the Nature vs. Nurture debate was interesting. The Nature vs. Nurture debate is based around who has a greater influence in deciding the person that you will become. Is it predestined (nature)? Or are your interests and personality determined by your parents (nurture)? While the popular sentiment is the both play a role in dictating who a person becomes, the scientific community remains far from a consensus.
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