Cranial Nerve XII May Be Assessed in an Infant by

question 26

Multiple Choice

Cranial nerve XII may be assessed in an infant by

• A)watching the infant's facial expressions when crying.
• B)observing the infant suck and swallow.
• C)clapping hands and watching the infant blink.
• D)observing the infant's rooting reflex.
• E)checking the infant's gag reflex.

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Definitions:

Ponzo Illusion

A visual illusion where two horizontal lines of identical length appear different in length because of converging parallel lines in the background.

Necker Effect

An optical illusion related to the perception of a two-dimensional drawing of a cube, which can spontaneously appear to switch orientation.

McCullough Effect

A phenomenon where prolonged exposure to colored gratings causes the visual system to adapt and see complementary colors in grayscale patterns.

Perceptual Constancies

The tendency to perceive objects as unchanging, despite changes in sensory input, such as changes in illumination, angle, or distance.