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We are not yet at the point in science where we can easily get at the activities of the endocrinal glands in normal mentality. We are able to recognize certain fundamental types, but more we cannot do; nor are we able to measure nervous energy except in relatively crude ways, but these crude ways have great value under certain conditions.

We do not accept this dictum entirely, but we say that the organism reacts in a complicated way and that the feeling sadness, disgust, anger, joy springs from the memories and past experiences aroused by a situation as well as from the widespread bodily excitement also so aroused. For the neurologist both the cerebral and the sympathetic- endocrinal components of emotion are important.

We of a later day who deal with this disease on the whole are inclined to the belief that some internal factor of a physical kind is responsible, some neuronic shift, or some strange, visceral endocrinal disorder.

When there has been a change in personality, the question of bodily disease is always paramount. The first questions to be asked under such circumstances are, "Is this person sick?" "Is the brain involved?" "Are endocrinal glands involved?"

But the influence of the endocrinal secretions is very great. As a matter of fact, judgment of character will never be attained through the study of face, form or hand. As language is a means not only of expressing truth but of disguising it, so these surface phenomena are as often masks as guides.