The objective of this article is to revise some aspects related to memory development, specifically, auto-biographic remembrances and, from this, to evaluate la relation between the latter and the development of mind theory and self-conscience. With this purpose, a revision on memory development and mind theory was carried out in order to establish a link with the appearance of self-conscience, mainly auto-non-ethic conscience, proposed by Tulving. In this way, it has been established that thanks to non-ethic conscience, when an individual has an autobiographic remembrance, he is really mentally traveling to the past; e.g., he is re-experimenting something that happened before and that thanks to mind theory, this is a process of re-experimenting but a process for imagining or wishing