It is more difficult to designate this form of conation on its practical side by a satisfactory name.
The mental act of sensation which issues in reflex movement is so simple as to defy analysis.
The perceptive act is a reaction of the mind upon the object of which it is the perception.
What is the meaning of the togetherness of the perceiving mind, in that peculiar modification of perceiving which makes it perceive not a star but a tree, and the tree itself, is a problem for philosophy.
But unfortunately Locke treated ideas of reflection as if they were another class of objects of contemplation beside ideas of sensation.
Hence, in desiring, the more the enjoyment is delayed, the more fancy begins to weave about the object images of future fruition, and to clothe the desired object with properties calculated to inflame the impulse.
