It is currently the case that research on the personality disorder known as antisocial personality disorder, or ASPD, is still making progress. Much about the disorder remains unknown such as its origins and how to properly treat ASPD. The purpose of the following literature review is to examine current research regard ASPD and individuals with the personality disorder. The actions and symptomology of those with the personality disorder have been thoroughly well documented and examined. However, it is essential to have a stronger understanding of the cognition and emotional functions of those with ASPD. With better understanding and research on the ASPD and cognitive and emotional functioning there could perhaps be more beneficial ways to treat those with the disorder. The primary focus of the following literature review will be on ASPD as it relates to cognitive processing and emotional functions and the current research regarding the subject.