It is psychic and intellectual a construction that causes a selective representation of the past, that never is only that one of the individual, but of an inserted individual a familiar context, social, national. The history lived of a place, of a person, a moment, an object architectural, etc. can be changedded into a bedding for the proper knowledge of the daily one, where the memory becomes essential for the science of the same one, also being able for action result or simply by chance, this history to be dissolved in the souvenir, forgotten. In accordance with Henri Bergson, the memory in its general form involves a percipient question. Still in accordance with this author, the perception involves an intellectual capacity. Maurice Halbwachs affirms that the souvenir is a reconstruction of the past with the aid of data yielded for the gift and, moreover, prepared for other reconstructions made in previous occasions and of where the image of long ago was explanou well deformed.

According to this author, the souvenir can, from the convivncia in society, or groups inside of a society, being constructed and simulated. This simulation happens when the souvenirs enter in contact with the souvenirs of third on subjects in common that for its time the same implies in the perception of the past, increasing the amount of information on fact. Complete Halbwachs affirming that a memory does not exist that is one ' ' pure imagination and simples' ' or historical representation that not pass for the referencial citizen. The memory can be presented of form registered or still acquired through the orality, by means of depositions, certifications, stories, among others modalities. The verbal transmission of the memory was something very practised until a relatively recent time. Still today it has aboriginal cultures, for example, that they transmit its traditions, crendices, teachings, etc. through the orality.