Compared to righties, left-handed participants in the study showed an imbalance in activity between the left and right hemispheres when trying to process their moodiness. Here's a look at some of the most common facts about being left-handed, and what it might really mean for your health. When the average is taken across all types of left-handedness, it shows that left-handers are less lateralized. In fact, left-handers hear slow-changing sounds better. Historical batting averages show that left-handed batters have a slight advantage over right-handed batters when facing right-handed pitchers. Left-handers' brains are structured differently from right-handers' in ways that can allow them to process language, spatial relations and emotions in more diverse and potentially creative ways. A disproportionately large number of ice hockey players of all positions, 62 percent, shoot left, though this does not necessarily indicate left-handedness. Similarly, studies of adolescents who took tests to assess mathematical giftedness found many more left-handers in the population. Researchers are not exactly sure how to explain this phenomenon, but many believe it's related to how the brain is wired.
Most people righties and lefties alike rely on the brain's left hemisphere for tasks like language functioning. In water polo the centre forward position has an advantage in turning to shoot on net when rotating the reverse direction as expected by the centre of the opposition defence and gain an improved position to score. Researchers theorize brain laterality plays a role. Lefties Hear Speeches Differently People who use their left hands when listening may more easily hear slowly-changing sounds than those who use their right hands, according to a study from Georgetown University Medical Center. But one recent Dutch study suggests that left-handed politicians actually have an advantage in televised debates. For years, myth has held that left-handers are more likely to become alcoholics. Children who became lateral later than infancy i. Left-handed people are more skillful with their left hands when performing tasks. For the study, participants watched an eight-minute clip from the frightening film Silence of the Lambs. The left hemisphere, which controls the right hand, likes rapidly-changing sounds like consonants, while the right hemisphere, which controls the left hand, likes slowly-changing sounds like syllables or intonation. The author chalks it up to the fact that left-handed athletes get a lot more opportunity to practice against right-handed opponents than vice versa since there are so many more righties out there. Tight ends , when only one is used, typically line up on the same side as the throwing hand of the quarterback, while the offensive tackle on the opposite hand, which protects the quarterback's "blind side," is typically the most valued member of the offensive line. This could be the first signs of a left-handed child, say the researchers. Both findings could be due to the fact that non-righties are more likely to have unusual brain lateralization, which could affect the way their brains process fear and anger. But researchers have found that in populations with certain mental disorders, that rate goes up. But if you're left-handed, you might not think the same way as righties, according to a Stanford University study. They certainly don't have reversed brains. Gender[ edit ] According to a meta-analysis of studies, totaling 1,, participants, the best estimate for the male to female odds ratio was 1. But a survey of more than 25, people from 12 countries has cleared things up a bit. In fact, left-handers hear slowly-changing sounds better. It's linked to some sleep problems Southpaws may be more prone to periodic limb movement disorder PLMD , which causes patients to involuntarily kick and jerk their arms and legs while sleeping. Just consider all of the right-handed gadgets, awkwardly designed desks, and cooking tools that fit comfortably only in your right hand. Research into the topic was murky, however, and relied on small samples. It goes back to the idea that lefties have a physical advantage over righties. According to scientists, having one hemisphere dominate is much more efficient, which is why some left-handers are at increased risk for learning impairments and brain disorders. August 13 is International Left-Handers Day.
Video about disadvantages of being left handed:
Why Being Left-Handed Is A Superpower
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