How did Gall Identify his 27 Faculties?

Franz Joseph Gall (1758-1828), a founding father of phrenology Phrenology was the pseudoscience of identifying a person ' s character and mental abilities on the basis of skull morphology ( “bumps on the head”). The enterprise was based on four assumptions (Gross, 2009): intellectual abilities and personality traits are differentially developed in each individual these abilities and traits
Source: The Neurocritic - Category: Neuroscience Authors: Source Type: blogs