Autism spectrum disorder (ASD) as well as social phobia (SP), and selective mutism (SM) are characterised by impaired social interaction. We assessed the validity of the Social Responsiveness Scale (SRS) to differentiate between ASD, and SP/SM. Raw scores were compared in 6-18 year old individuals with ASD (N = 60), SP (N = 38), SM (N = 43), and typically developed (N = 42). Sensitivity and specificity were examined. The three disorders showed overlapping SRS scores. Especially in boys with SM (ROC-AUC = .81), presence of ASD was overestimated by the SRS. A combination of three disorder specific questionnaires resulted in marginally improved diagnostic accuracy. For the clinically very relevant differential diagnosis of SP/SM, SRS results must be interpreted with caution.
The autopoietic enactive account of cognition explains the emergence of normativity in nature as the norm of self-maintenance of life. The autonomous nature of living agents implies that they can differentiate events and regulate their responses in terms of what is better or worse to maintain their own precarious identity. Thus, normative behavior emerges from living organisms. Under this basic understanding of normativity as self-maintenance, autopoietic enactivism defends a continuity between biological, cognitive, and social norms. The self-maintenance of an agent's sensorimotor identity establishes the cognitive norms that regulate its behavior, and the self-maintenance of its social identity determines the social norms. However, there is no clear explanation of how individuals, who by their very constitution are primarily moved to interact with the world under the norm of self-maintenance, could interact with the world driven by non-individual norms. Furthermore, understanding all normativity as self-maintenance makes it unclear how agents establish genuine social interactions and acquire habits that have no implication for their constitution as individuals. So, to face these challenges, I propose an alternative notion of normativity grounded on a Wittgensteinian, action-oriented, and pragmatic conception of meaning that distinguishes between an agent with a normative point of view and external normative criteria. I defend that a normative phenomenon is an interaction that is established by an individual point of view as defined by autopoietic enactivism and that is part of a self-maintaining system. The latter establishes the external normative criteria to evaluate the interaction, and it may or may not coincide with the identity of the interacting agent. Separating external normative
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