Dr. Williamson most likely to be studying <u>"hypothalamus".</u>
The hypothalamus is a little locale of the brain. It's situated at the base of the mind, close to the pituitary gland.
While it is very little, the hypothalamus assumes a pivotal part in numerous critical capacities, including discharging hormones, directing body temperature, keeping up day by day physiological cycles, controlling craving, overseeing of sexual conduct and controlling enthusiastic reactions.
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city-states included Florence, Milan, Venice, Naples, and Rome.