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Originally Posted by pachyderm
It's good that today, esteemed researchers are always right, unlike the bad old days.
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I never said that. Esteemed researchers are often incorrect in their hypotheses. However, what is written in articles and journals is the result of years of testing and research on a particular hypothesis by people who dedicate their lives to their studies. To even be considered being published in academia, they need a plethora of evidence to back up their concepts, unlike the bad old days when all they needed was a good reputation with whatever hierarchical figure that happened to be running their respective land and proclaimed insight into the heavens. What they did wasn't even science.
Furthermore, in today's age, you need more than a baseless assumption to refute scientific theory. You need evidence, and a lot of it, unlike the bad old days when the Catholic church shot down Copernicus and Galileo's idea of a heliocentric solar system simply because it went against their teachings, despite the fact that a heliocentric solar system is true.
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What I am saying is that the facts of differences which we see now are not proof of how the differences originated. They could be partly inherited, and also due to in-utero influences, early childhood, and so on. I think I have enough experience of my own life, and similar feelings, to believe that some, much, most, all can come from those influences upon what may be a base structure that is different from "normal" in some degree. But "normal" is a range, not one point. The given inheritance is not totally determinative.
That is my thinking, anyway.
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Actually, we are beginning to understand how those differences originated. From the research conducted, genetic influences have been found. However, psychopathic traits can be caused by injury to the pre-frontal cortex or if the conscience is not developed in the early years of childhood, leading some researchers to conceptualize psychopathy to include both primary and secondary subtypes which differ in etiology, the former having genetic influences, the latter being caused by environmental factors...