In a normally distributed brain, there's a motor strip and a sensory strip. The left side applies to the right side of the body and vice versa. So if you use your left hand to do stuff, you will develop the sensory and motor strips on the right side of your brain. Will this improve anything else in your brain. No. You might simply get better at using your left hand for various things. It's still not going to be as coordinated as the right side.
In a normally distributed brain, there's a motor strip and a sensory strip. The left side applies to the right side of the body and vice versa. So if you use your left hand to do stuff, you will develop the sensory and motor strips on the right side of your brain. Will this improve anything else in your brain. No. You might simply get better at using your left hand for various things. It's still not going to be as coordinated as the right side.
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