Posts Tagged ‘corpus callosum


Infidelity: Human Nature and the Corpus Callosum

Ever wonder why most societies tend to be softer on men than on women when it comes to infidelity?

I remember reading something about our brains’ hemispheres: the left hemisphere, which deals with math, logic, observation, and reasoning; and the right hemisphere, which handles language, emotion, perception, and intuition. The article said that the corpus callosum – the band of nerve fibres that connects the cerebral hemispheres – is often thicker in women than in men, making it easier for the hemispheres to share information and interact with each other as they try to process thoughts simultaneously.

So I guess maybe that’s why men can make hard decisions reflectively and objectively. It’s nothing personal, just business. Women, on the other hand, tend to involve their emotions when making most choices.

And so when it comes to playing around, men can do it out of pure lust without the slightest affection, while for women to be able to make love they must have feelings for the guy. (A lady friend of mine once remarked that what if she underwent some lobotomy to sever her corpus callosum, would that give her the same “male privilege”?)

They say that man is polygamous by nature. But before the ladies raise their eyebrows and the boys their heads, there is something I read about human nature that I would like to share. It goes something like this:

The author, a psychiatrist, says that he was often asked what is human nature, to which he would answer, “Human nature is going to the bathroom in your pants.” He goes on to explain that a very young child, when feeling the need, would defecate anywhere and with his pants on. That is his nature. But given the proper toilet training, sooner or later as he grows up he will be able to hold his bowel long enough to get to the bathroom. This will have become his second nature. And in those rare instances when he didn’t make it to the bathroom, he would feel very unnatural about it. From all this, the author points out that there is no such thing as “human nature” because among all the animals, only man has the capacity to transcend his instincts.

And so I guess it is with man’s reputation for philandering. Assuming there is some truth that that‘s his nature, man has the ability to transcend this polygamous nature and adopt fidelity as a second nature. And in the unlikely event that he slips, he would feel very unnatural about it. Like he just shat in his pants. innerminds inner minds


Attempts at uncovering the underlying simplicity beneath apparently complex concepts as well as the core complexity within seemingly straightforward issues

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