What principle is demonstrated by the findings that stimulation of the genitals elicits sex-related behaviors in a male animal whose spinal cord has been cut?
A) Male sexual behavior can at times appear to be brainless.
B) The brain is not required for the sexual reflexes of erection and ejaculation.
C) Sexual orientation is dependent on spinal mechanisms.
D) Pathways from the hypothalamus to the spinal cord are key to sexual behavior.
E) Sexual reflexes cannot occur without the brain.

Question

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The findings that stimulation of the genitals elicits sex-related behaviors in a male animal whose spinal cord has been cut suggests that the brain is not required for the sexual reflexes of erection and ejaculation.

What Principle Is Demonstrated by the Findings That Stimulation of the Genitals