By the end of middle childhood, what abilities have nearly reached adult maturity?

Question

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Fine motor skills, which involve the coordination and control of small muscles in the hands and fingers, have nearly reached adult maturity by the end of middle childhood. Gross motor skills (large muscle movements), psycho-motor skills (thinking and perceptual skills), and vestibular-motor skills (balance and spatial orientation) continue to develop during adolescence and even into adulthood.

By the End of Middle Childhood, What Abilities Have Nearly