In the one case the object of cognition is present to my perceptive faculties; in the other it is recalled by the power of memory.
Scientific psychology tends, no doubt, to break down some of these popular distinctions.

Just as the zoologist sometimes groups together varieties of animals which the unscientific eye would never think of connecting, so the psychologist may analyze mental operations which appear widely dissimilar to the popular mind, and reduce them to one fundamental process.

Thus recent psychology draws no sharp distinction between perception and recollection.

It finds in both very much the same elements, though combined in a different way.

Strictly speaking, indeed, perception must be defined as a presentative-representative operation.
To the psychologist it comes to very much the same thing whether, for example, on a visit to Switzerland, our minds are occupied in _perceiving_ the distance of a mountain or in _remembering_ some pleasant excursion which we made to it on a former visit.