excitation

One of the important characteristics of mania is the super-excitation of the sexual faculty.

Even in normal menstruation there is often a marked physiological excitation which affects the entire person.

Now the important point is that when this excitation is going on in the brain, we are conscious, we see the picture.

Actions of a somewhat similar character normally occur in which it is not easy to point to the excitation of any sense or senses.

The excitation of his nerves, however, kept him for the greater part of the night conscious of all that went on in the room.