Final answer:
A spinal reflex occurs within the spinal cord without brain involvement, like the withdrawal reflex. A cranial reflex involves the brain, like the pupillary reflex.
Step-by-step explanation:
A spinal reflex is an automatic response to a stimulus that occurs entirely within the spinal cord, without any involvement of the brain.
Example: The withdrawal reflex, such as pulling your hand away from a hot object, is a spinal reflex.
A cranial reflex is a reflex that involves the brain in the processing of the sensory information and the initiation of the response.
Example: The pupillary reflex, where the pupil of the eye constricts in response to light, is a cranial reflex.
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