He divided the brain into sections that corresponded to certain behaviors and traits that he called fundamental faculties .
Gall believed that the bumps and uneven geography of the human skull were caused by pressure exerted from the brain underneath .
Gall divided the brain into sections that corresponded to certain behaviors and traits that Gall called fundamental faculties .
Gall believed that the bumps and uneven geography of the human skull were caused by pressure exerted from the brain underneath .