- The science of the special functions of the several
parts of the brain, or of the supposed connection between the various
faculties of the mind and particular organs in the brain. - In popular usage, the physiological hypothesis of Gall,
that the mental faculties, and traits of character, are shown on the
surface of the head or skull; craniology.
Phrenology Phrenology refers to the belief, first proposed in the eighteenth century, that intellectual abilities could be divined by studying bumps found on the skull. The assumption was