Which of the following is a visual-spatial skill that should be mastered by around age 11?

• A. Bilateral integration
• B. Visual closure
• C. Laterality
• D. Directionality

Answer: (A)

Bilateral integration is the ability to use both sides of the body in a coordinated, interdependent way and to cross the midline when needed. This is a visual-spatial skill because it combines spatial awareness with motor action across the body, allowing for coordinated two-handed tasks and smooth integration of visual input with movement. By around age 11, most children have developed enough bilateral coordination to handle more complex activities that require both hands working together and crossing the midline, such as certain handwriting fluency tasks, cutting with scissors, or coordinating both hands for precise placement and manipulation.

Visual closure involves recognizing a whole object when only parts are visible, which is more of a perceptual skill developed earlier. Laterality is understanding left and right, and directionality involves knowing directional terms and sequencing, both foundational but not the late-developing, space-with-movement integration that emerges around late childhood.