Why did phrenology decline in popularity?
Frequently Asked Question about the extinct profession: Phrenologist
Phrenology declined in popularity due to its lack of scientific validity and reliance on pseudoscience. As psychology and neuroscience advanced, the simplistic correlation between skull shape and personality traits was debunked. The rise of empirical research methods and a better understanding of brain function further diminished phrenology's credibility, leading to its eventual rejection by the scientific community.