Final answer:
Phrenology was a set of ideas developed in the early nineteenth century that involved mapping the cranium to specific human attributes. It was eventually deemed a pseudoscience due to lack of empirical support and its theories being proven wrong.
Step-by-step explanation:
Phrenology was a set of ideas developed in the early nineteenth century that involved mapping the cranium to specific human attributes. It was based on the belief that different parts of the brain were responsible for different functions. However, it was eventually deemed a pseudoscience because it lacked empirical support and its theories were proven wrong.