Preface

We inform that number two of 2016 Psychological Research Records is indexed in Scielo Mexico, Class, Latindex, Collections, and Redalyc scientific information system. Likewise, the journal is in the process of being evaluated by Scopus and to enter the journals index of CONACyT. For this issue, research articles were accepted covering topics of health, physiological processes, learning and cognitive processes and relationships. In terms of health, a study of internalized stigma in drug users. In the study of psychological processes, a paper on the administration of gabaa antagonist bicuculline to prevent the effects of the administration of the antagonist 5-ht1a8 - 0 h-dpat on the discriminative properties of amphetamine and an investigation about the relationship between neuropsychological maturity and the presence–absence of crawling behavior. In the section dealing with learning processes, a study to see if the method modulates the relationship between temporary discounts, probabilistic and social and cognitive processes, and a second study dealing with differences in the construction of causality and counter-causality in subjects with different educational levels. For the section on social processes and personal relations, articles on inclusion–exclusion parameters in the extremes of happiness and satisfaction with life in Mexico, nostalgia for the couple, the exploratory analysis of the love scale by Sternberg, couple's influence in the adjustment to heart disease and family functioning as predictor of alexithymia according to the IMC. We extend thanks to the meticulous work of the body of reviewers and the confidence of the researchers to undergo the process of double-blind evaluation.