Split Brains

Everyone’s brain is made up of two halves, called hemispheres. These hemispheres are connected by a part of the brain called the corpus callosum. In the past, the corpus callosum was cut to treat epilepsy. However, when this part of the brain was cut, the two brain hemispheres would not be able to communicate, thus creating a split brain.

If you had a split brain, each of your brain’s hemispheres would be capable of having their own emotions, opinions, and personalities. The two hemispheres are also capable of disagreeing. Since your right hemisphere controls the left half of your body, and your left hemisphere controls the right side of your body, your hemispheres could have physical disagreements.

For example, if the right half of your body picks up a piece of food, and your right hemisphere doesn’t want you to eat it, your left hand (controlled by the right hemisphere) could try and remove of the food.

Usually, the left hemisphere of the brain controls speech. The left hemisphere’s dominant functions include math, logic, and language. The right hemispheres dominant functions include visualizing images, facial recognition, and music. The right hemisphere and left hemisphere can both see through your eyes on the halves of the body they control.

If you showed the left hemisphere an object, then asked a split brain patient what they saw, they would be able to tell you. However, since the right hemisphere cannot speak, if it was shown an object, and you asked, “What did you see?” the left hemisphere would be the one to respond, saying “Nothing.”

This fact is extremely creepy as it reveals a separate mind in a split brain patient’s head that is mute and sentient.

What would you do if you had a split brain? How would you cope with the two hemispheres of your brain constantly fighting over decisions?









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3 thoughts on “Split Brains

  1. In NLP (Neuro-Linguistic Programming), two minds would be considered minds having PARTS. I would then choose to integrate as much as possible. Fighting would do nothing to improve the situation. The PART(s) that don’t talk would have to be given a voice. Even silence is communication. I suspect using all the senses would be helpful. That way each side would have the opportunity for expression. I’m hoping I understand your meaning here. I have studied the brain extensively, primarily because I work with people who have many forms of dementia. The brain is fascinating, and there’s much more to know about it. Unless people have severely affected executive functions, integration is possible.

    Liked by 1 person

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