The superior colliculus plays an important role in:

A) object recognition.
B) color perception.
C) circadian rhythms.
D) orienting responses.

Superior Colliculus

A structure in the midbrain involved in visual processing, eye movements, and orientation responses.

Orienting Responses

The body's automatic reaction to stimulus, involving attention and physiological adjustments to better sense the stimulus.

Circadian Rhythms

Biological cycles that occur on a roughly 24-hour schedule, regulating various physiological processes including sleep, alertness, and hormone production.