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Do you also find it difficult to differentiate between right and left? Perhaps your answer is no, but recent research has revealed that one out of every 6 people has to face such problems.
According to a SAGE journal report, a research conducted in 2020 by van der Ham and his colleagues found that about 15% of people consider themselves inadequate in terms of identifying left and right. The report claimed that more than half the participants used the sleight of hand strategy.
Why research, 2 facts…
1. Britain’s renowned neurosurgeon Henry Marsh revealed in his book ‘A Life in Brain Surgery’ that he performed the wrong brain surgery on a patient because he did not know the difference between right and left.
2. In 2017, the then US President Donald Trump went on a tour of the Philippines, during which Trump was enraged when he was asked to shake hands in the opposite way. After this the discussion started about the difference between right and left.
Its effect on doctors too
According to a BBC report, Professor Gerald Gormley of Ireland’s Quinn University released a research paper titled Medical Education. It has been said in this research that many doctors and medical students also struggle with the problem of differentiating between right and left.
It has been said in the research report that medical science needs to pay a lot of attention to this. If this problem is not rectified then it can directly affect the patients.
Children are at the forefront of spotting the difference
Children can distinguish between right and left more quickly than elders and adults. Alice Gomez and her team at the Lyon Neuroscience Research Center in France did a research on this.
In research, they found that children are making very few mistakes in differentiating between right and left. Interestingly, the age of all the children involved in the research was between 5-7 years.
Taking this point forward, van der Ham says – If you are going somewhere and a child is ahead to tell the location, then he can be the best in giving direction information. You can call children the best navigators.
Why does this happen i.e. what is the reason?
Why can’t humans differentiate between right and left? Talking on this, van der Ham says – The biggest reason is the lack of symmetry. Human mind gets disoriented many times while wandering.
Van der Ham further says that 5 factors are mainly responsible for this. Humans are not able to do this because of memory, language, visual, spatial processing and mental rotation.
How to tell the difference between right and left hand…
- If you join the first finger of your left hand with the thumb, you will see a shape like the English letter b. The meaning of this b is Baayaan i.e. Left.
- Similarly, if you do the same with the right hand, then you will see a shape like the English letter d. The meaning of this d is- Daayan means Right.
Is there any solution for this?
Is there any solution to differentiate between right and left? On this question, van der Ham says – To identify right from left, man uses the representation present in the body ie brain. The more asymmetrical the human body is, the easier it will be to identify it.
It has also been claimed in a research that compared to women, men differentiate between right and left quickly. According to experts, the best way to correct this is to run a public awareness campaign.
Why it is dangerous, 2 points…
1. According to Gerard Gormley, if doctors, like Henry Marsh, forget the difference between right and left while performing surgery, it can directly lead to the death of the patient. That is, one mistake of not being able to differentiate between right and left can cost a person’s life.
2. Gormley also gives the example of the Titanic ship. According to him, if the Titanic ship’s driver had turned left instead of right, the ship might have been saved from sinking. His reference is towards such problems in the plane and other drivers.
brain counts from top to bottom
New research published in PLOS One has found that the human brain counts faster from top to bottom than from left to right. In the research, the participant was given the option of horizontal, vertical and top-down numbers. However, most of the participants counted the numbers from top to bottom faster.
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