Recent research illustrates how writing by hand engages the brain in learning. During one study at Indiana University published this year, researchers invited children to man a “spaceship,” actually an MRI machine using a specialized scan called “functional” MRI that spots neural activity in the brain. The kids were shown letters before and after receiving different letter-learning instruction. In children who had practiced printing by hand, the neural activity was far more enhanced and “adult-like” than in those who had simply looked at letters. “It seems there is something really important about manually manipulating and drawing out two-dimensional things we see all the time,” says Karin Harman James, assistant professor of psychology and neuroscience at Indiana University who led the study.

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— How Handwriting Boosts the Brain - WSJ.com