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An obsolete doctrine asserting each mental faculty is located in a definite part of the cerebral cortex, the size of which part varies in a direct ratio with the development and strength of the corresponding faculty; this size is indicated by the external configuration of the skull.
Synonym(s): craniognomy
[phreno- + G. logos, study]


Etymology: Gk, phren, mind
the study of the conformation of the skull based on the assumption that mental faculties are localized in particular sites on the surface of the brain. According to phrenologists, intelligence or other faculties of a person may be mirrored through elevations in the skull overlying the particular area of the brain.
A medical ‘discipline’ popular in the 18th to 19th century, which was based on the now-quaint belief that there was a relationship between the structure of the skull and mental traits


A theory, taken seriously for a time in the 18th century, that human characteristics were reflected in the relative growth of parts of the brain and that these could be detected by palpation of the skull bumps which, it was claimed, conformed to the shape of the brain.


Franz J., German-Austrian anatomist, 1758-1828.
Gall craniology - an obsolete doctrine. Synonym(s): phrenology