@incollection{Valdés18, author = {Humberto Foyaca Sibat and Lourdes de Fátima Ibañez Valdés}, title = {Introductory Chapter: Cognitive Disorders and Its Historical Background}, booktitle = {Cognitive Disorders}, publisher = {IntechOpen}, address = {Rijeka}, year = {2018}, editor = {Humberto Foyaca Sibat}, chapter = {1}, doi = {10.5772/intechopen.77084}, url = {https://doi.org/10.5772/intechopen.77084} }