Which Factor Enables Children to Carry Out Sophisticated Motor Activities

question 44

Multiple Choice

Which factor enables children to carry out sophisticated motor activities that require the use of one hand?

• A) ability to contract large muscles
• B) inhibition of actions
• C) ability to maintain balance while running
• D) initiation of actions

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Definitions:

Afterimages

Visual illusions that continue to appear in one's vision after the exposure to the original image has ceased, often exhibiting contrasting colors.

Color Processing

The neurological process by which the brain interprets wavelengths of light as different colors, a function of the visual system.

Opponent-Process Cells

Specialized cells in the visual system that are used to detect color and are thought to work by encoding differences between the firing rates of pairs of color-sensitive neurons.

Thalamus

The brain’s sensory control center, located on top of the brainstem; it directs messages to the sensory receiving areas in the cortex and transmits replies to the cerebellum and medulla.