Final answer:
The correct answer is C) Nucleus accumbens. Animal research suggests that stimulating the nucleus accumbens, along with other limbic system structures, plays a crucial role in sexual motivation.
Step-by-step explanation:
The correct answer is C) Nucleus accumbens. Dr. Rogers should insert an electrode into the nucleus accumbens to stimulate the reward centers of a rat's brain.
Animal research suggests that the nucleus accumbens, along with other limbic system structures like the amygdala, plays a crucial role in sexual motivation.
Studies have shown that damage to the nucleus accumbens results in a decreased motivation to engage in sexual behavior, while leaving the ability to do so intact.