How the Processes of Mnemic and Original Sensations are Related: Proportional Variability

In the preceding chapter we have studied the way in which mnemic and original sensations differ from one another, and our conclusion was that, setting aside the difference in the mode of production, it is impossible to find a universally applicable distinction between these two classes of sensations considered as such, since difference in vividness, although very usually obtaining, cannot be considered as a universal characteristic.