The philosophy of morality is based upon the
Golden Rule, which states a person should treat others as they wish to be treated, but where does morality come from? I think it is possible to trace the origin of morality to the hormone
Oxytocin, also called the “love hormone”. Oxytocin is a hormone that causes females to bond with their young and many studies have also shown a correlation of oxytocin with all forms of human bonding, increases in trust, and decreases in fear. It also evokes feelings of contentment, reductions in anxiety, and feelings of calmness and security around your partner.
The inability to secrete normal amounts of the hormone oxytocin is linked with
lack of empathetic feelings in humans, which can manifest itself as sociopathic behavior. Empathy in healthy males has been shown to be increased after intranasal oxytocin, also interestingly; oxytocin does seem to facilitate learning and memory specifically for social information. Healthy males administered intranasal oxytocin show improved memory for human faces, in particular happy faces. They also show improved recognition for positive social cues over threatening social cues and improved recognition of fear. Taking all this into consideration it stands to reason that oxytocin causes an increase in empathetic feelings for others and altruism which is the foundation of morality. In nature a mother who produced more oxytocin would bond better with her offspring, therefore she would take better care of them, making it a trait that would be selected for.
Oxytocin is also produced during sexual arousal which in some species causes pairs to bond for life and evokes solicitous feelings in males trying to win the sexual favors of females; consequently the males that females are most impressed with win the privilege of mating. In the animal kingdom mating only occurs when the female is receptive and allows the male of her choosing to mate with her, so it is to his advantage to be more accommodating, unlike in humans where the male many times uses force against the females will.
It might seem a bit odd at first to think that morality has it origins in a chemical called oxytocin, but when you start comparing the similarities between the bonding nature of female animals with their young and moral characteristics in humans, it becomes quite obvious there is a relationship. By necessity all life forms are selfish, that is the only way survival is assured; the only exception to that rule is the mother/child relationship where the mother always puts the needs of her offspring first…in some species this also applies to the male who helps care for their young. Turn off oxytocin and animal mothers would no longer bond with, or care for their young, resulting in the continuation of life coming to a halt.
Because humans are self-aware beings we consciously understand the benefits of helping others, so we can purposely treat others with kindness and compassion regardless of our relationship to them. Since oxytocin is a naturally occurring hormone that underlies the instinctive reason all animals (including humans) bond with and sacrificially give to others in their species, it becomes a good candidate for the bases of moral laws.
Chemicals seem to play a role in just about every human emotion. When there is a chemical imbalance in a living system it can turn a kind and compassionate person into a raging lunatic, or a person with a positive upbeat outlook on life to someone who contemplates suicide. This is the power of chemicals working on the brain and what seems to in part, create our individual personalities.
Rose
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