It is quite possible for someone to be a very reasonable and a happy individual, up until the point where they have to live with constant on-going pain. There are books written on the subject of personality changes due to illness or medication. The whole thinking process can be altered by even comparatively mild pain if it goes onfor long enough. The patient will eventually tend to concentrate on avoiding pain or reducing movement to avoid pain.
The Human brain can be divided between a “higher” brain and a “lower” brain. The higher brain-activity, reading books, classical concerts, oil paintings is quite distinct from lower brain-activity.Lower brain is typically survival instinct, food, warmth, shelter and danger / threat.
Human beings have both brain areas and from day to day will be in a state moving from the one part to the other almost hour by hour. When subjected to mild…
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