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Towards understanding atypical social affiliation in psychopathy. One distinctive feature of individuals with psychopathy is their reduced motivation and capacity to develop authentic social relationships, which are founded on an enjoyment of prosocial interactions or concern for others. Surprisingly, potential neurocognitive vulnerabilities contributing to atypical social affiliation, and lack of prosocial behaviours in psychopathy, have yet to be systematically investigated. Research efforts have largely focused on how individuals with psychopathy process negative emotions, and how this might affect their capacity to feel guilt or empathise with others' distress. Here, we propose a framework for understanding the development of atypical social affiliation and attachment in psychopathy, and outline several key processes and neural systems speculated to underpin them. We then describe present neurocognitive findings that suggest that these processes and neural systems are compromised in individuals with, or at risk of developing, psychopathy. Finally, we consider several research directions that would help with the understanding of the origin and development of social affiliation in individuals with psychopathy. This work has the potential to inform and enhance prevention and treatment strategies.