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Alien Hand Syndrome

The effect of VP and LB arguing can be detected without any special techniques in cases of "Alien Hand Syndrome", a very rare neurological disorder occurring in cases where the brain hemispheres are unable to communicate with each other, mainly after the split-brain surgery.

As VP operations are processed in the interaction processing areas of the right hemisphere of the brain, which controls left side of the body, and LB operations are processed in the interaction processing areas of the left hemisphere of the brain, which controls right side of the body, and as most human actions are performed by hands, the argument between their VP and LB is demonstrated live through behaviour of their hands.

One such patient, while having argument with his wife, was attacking her with his left hand (driven by right hemisphere, or VP, which is the emotional side), while his right hand (driven by left hemisphere, or LB, which is the rational pre-programmed side) was trying to stop his own left hand.

Another patient put a cigarette into her mouth with her right hand (i.e. LB), and, before she could light it up, her left hand (i.e. VP) pulled it out of her mouth and threw it away (thinking of future consequences). Later, she surmised that "I guess 'he' doesn't want me to smoke that cigarette." The "he" in this case was obviously her VP.

Yet another patient kept picking up a newspaper with his right hand, following which, his left hand would put it down, which happened until he finally threw it on the floor.

Another patient was seen buttoning his shirt with his right hand, following which, his left hand unbuttoned each of them just as quickly as he could button them.

The left hand of yet another patient, while playing checkers, made a move that he thought was a wrong one, which he corrected with his right hand (i.e. LB, the logical processor, as the game needs thorough logical processing to calculate multiple steps in advance – more under title Sequential LB Monologue). However, his left hand, to his frustration, repeated the false move (based on bad recall of past memory, i.e. VP). On another occasion, the same person turned the pages of a book with one hand, while the other hand tried to close it.

In their normal day-to-day activities, both hands would cooperate normally in the same patients, like when pouring coffee or tying shoelaces.

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