Archive for the ‘Miscellaneous’ Category

Why are lefties lefty?Why are lefties left-handed? It is an innate or acquired characteristic? It manifests in these cases, brain areas unexplored by righties? Why are fewer left-handed than right-handed? Here are a series of questions that, naturally, they put themselves, lefties and others.

Most people are not right-handed or left-handed entirely, but ambidextrous. Many use the right hand to write, but can easily lead weights or to perform various activities with his left hand or vice versa. Some can be lefty when playing tennis, but righty when playing handball and basketball. There are few people who use both hands for everything they do. In the world lefties represent about 13% of the total population.

Lateralization is the particularity of the human brain that requires each of the two cerebral hemispheres have certain ” powers “, although obviously the two can only work together. Tgus, the left hemisphere is responsible for language, analysis, logic and computation, and the right with space orientation , face recognition, artistic capabilities. The right hemisphere controls the left side of the body, and the left side controls the right. Read on »