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Why Are People Left- (or Right-) Handed?
Live Science ^ | November 10, 2019 | Megan Gannon

Posted on 11/22/2019 4:44:45 AM PST by SunkenCiv

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To: Concentrate

Using the mouse in the less dominate hand makes it so much easier to take written notes with the other.


101 posted on 11/22/2019 8:47:41 AM PST by bgill
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To: bgill

And how is a lefty at an advantage? You can’t say how, because there is no difference in the two experiences.


102 posted on 11/22/2019 9:09:03 AM PST by SunkenCiv (Imagine an imaginary menagerie manager imagining managing an imaginary menagerie.)
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To: Sans-Culotte

What you’re saying doesn’t make any sense — this persistent fraction of lefthandedness goes back 500,000 years. Fencing is a fairly new skill.

Historically, combat was engaged in by amateurs as the occasion demanded.

Even when training started to become available, the likelihood is, a lefty would train righthanded because whomever is teaching him (probably a family member) would be righthanded.


103 posted on 11/22/2019 9:13:56 AM PST by SunkenCiv (Imagine an imaginary menagerie manager imagining managing an imaginary menagerie.)
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To: SunkenCiv

Of course left-handed is sinister. Sinister besides referring to evil also refers to left. Left handers are also gauche. Anyway, one of my granddaughters is Japanese American and appears to be left-handed. I say appears because as a child she clearly favored her left hand, but when she went to Japanese school she was required to use her right hand to write. There is only one ‘correct’ way to write kanji characters and left handers can’t do it. They have to use their right hands.


104 posted on 11/22/2019 9:31:24 AM PST by hanamizu
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To: bk1000

“””””Left handed people are in their right mind.”””””
Heehee -— I like that!

I’m left handed, altho I throw a ball and use a bat on the right side as my brothers taught me that way.(I’m female)

I do like the idea of eating with a fork and using a knife to cut with the right hand as I don’t have to keep switching hands to eat.


105 posted on 11/22/2019 9:44:56 AM PST by Exit148
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To: Yo-Yo
What does this study say about ambidextrous people?

Good question.  I'm not sure you would call it ambidextrous but I write/eat left handed but play sports right handed.  For me Left = dexterity and right = strength?

My mother and three of us boys are left handed.  In kindergarten my teacher kept putting the pencil in my right hand.  When Mom found out she and Dad had a friendly visit with the teacher and convinced her that you should't try to "make" a kid use his right hand if he naturally grabs the pencil with his left.  Glad she did.

106 posted on 11/22/2019 9:55:35 AM PST by DawnPatrolGuy
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To: abclily

Yes. We’re artistic and ambidextrous.


107 posted on 11/22/2019 10:00:52 AM PST by jersey117
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To: SunkenCiv

“In a first encounter, a lefty will not have done that. No advantage, no complete vacuum either. Real life.”

Ok fine. But only applies to first encounter.


108 posted on 11/22/2019 10:14:28 AM PST by JPJones (More Tariffs, less income tax.)
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To: SunkenCiv

Dad was a Southpaw. Mom was a Righty.

I’m right handed BUT left eye dominant (unusual....most have the same hand/eye dominance). The result is I shoot pool or shoot a rifle and eat Left handed. I can also write just as neatly - though more slowly - with my left hand. I absolutely can not throw left handed though.

There’s clearly a spectrum for hand dominance with some skewing far less to just one side than others do.


109 posted on 11/22/2019 10:20:17 AM PST by FLT-bird
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To: JPJones

No second encounter for the loser, and the odds are 50-50. Fewer lefties to start. Best case scenario is, survivors of the battle remain in the same proportion.


110 posted on 11/22/2019 10:20:25 AM PST by SunkenCiv (Imagine an imaginary menagerie manager imagining managing an imaginary menagerie.)
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To: FLT-bird

Reading can go any old way, although most of us are used to left-to-right, top-to-bottom. Vertically written text winds up read right-to-left, top-to-bottom when turned clockwise, if written by right-handers. Horizontally written text is, well, what we have today. Literacy is probably a large reason for recent cultural dominance of righthandedness, but again, not a good explanation for its antiquity. Handed-ness just *is*, and as the article alludes, arises apparently out of four spots in the genome that happen to all arrive in the same zygote at the same time. :^)


111 posted on 11/22/2019 10:25:07 AM PST by SunkenCiv (Imagine an imaginary menagerie manager imagining managing an imaginary menagerie.)
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To: SunkenCiv

“No second encounter for the loser, and the odds are 50-50. Fewer lefties to start. Best case scenario is, survivors of the battle remain in the same proportion.”

In a world of untrained fighters.


112 posted on 11/22/2019 10:37:39 AM PST by JPJones (More Tariffs, less income tax.)
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To: JPJones
In a world of trained or untrained fighters, obviously.

113 posted on 11/22/2019 10:47:01 AM PST by SunkenCiv (Imagine an imaginary menagerie manager imagining managing an imaginary menagerie.)
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