CHAPTER V
THE MENTAL QUALITIES
We now approach the subject of the several particular mental qualities, and the groups thereof, both in the phase of their inner states and that of their outer form. In the consideration of both of these phases we must avail ourselves of the investigations and researches of the old phrenologists who cleared a path for all who follow. Although many of the phrenological theories are rejected by modern psychologists and biologists, nevertheless their work established a firm foundation for the science of the study of the brain and its functions. And to Gall and his followers we are indebted for the discovery and teaching that the activity and development of the several mental qualities or faculties manifest in outer form in the shape of the skull.
Fig. 1
THE MENTAL QUALITIES
The general principles of phrenology may be briefly stated as follows:
I. The Brain is the organ of the mind.
II. The mind is not a single entity or power, but has several faculties, stronger or weaker, which determine the character of the individual.