1. The triune brain theory, developed by Paul MacLean, is based on evolutionary development and is composed of three interconnected brain layers: the neocortex, the limbic system, and the reptilian complex. According to MacLean, for learning to take place, information must be applied in a way that communicates with all three brains, because they do not operate independently of each other. The information presented to a student through teaching must appeal at the logical and cognitive level to the neocortex, at the emotional level to the limbic system, and at the instinctive survival level to the R complex. For example, a teacher may appeal to the neocortex by providing positive feedback to motivate a student to learn. This positive feedback provides the student with a sense of pleasure in the learning process, thereby engaging the limbic system. Additionally, since positive feedback is used as a motivational tool, the student will be instinctively ready and eager to learn, which reflects the R-complex. The split-brain theory was invented by Roger W. Sperry, who received the Nobel Prize. in 1981. During his study on epilepsy, he discovered that by cutting the corpus callosum in half, he could reduce the severity of epileptic seizures in patients (1). Because people are said to prefer one aspect of thinking over the other, educators must apply this theory to both sides of the brain for learning to be effective. For example, if educators want to appeal to the right-brain thinker, then they might use songs, poetry, or props when learning a concept, especially in a group setting. On the other hand, by appealing to left-brain thinkers, one could use crosswords for vocabulary...... middle of paper ...... a large disparity between the rich and the poor, as only the rich could afford this technology. Another possible positive ramification is that we can develop enhanced senses and cognitive functions through the fusion of biological (brains) and mechanical (robots) systems in cyborgs (6). Although this seems far-fetched and extraordinary, it has serious drawbacks. For example, as human beings, we are able to feel and experience things in life, such as love, through our senses (touch, taste, smell, etc.). If we are deprived of these senses via mechanical systems, are we then destroying this ability? And could these mechanical systems produce superhuman strength and possibly become destructive? I think so, because the movie “Iron Man” comes to mind. Where do we draw the line between what constitutes a benefit and what constitutes a risk when it comes to cyborgs? Only time will tell.