“You can see that in tasks that really lock the motor and sensory systems together, such as in handwriting, there’s this really clear tie between this motor action being accomplished and the visual and conceptual recognition being created,” she says. “As you’re drawing a letter or writing a word, you’re taking this perceptual understanding of something and using your motor system to create it.”
This makes sense because you are interacting with the content more. Instead of just reading from a computer or typing out notes, you are creating something. Then, you keep processing the information.