“…Caporael (1997) and Bugental (2000) described patterns of recurrent and universal one-on-one relationships in humans, including parent-child attachments and friendships. Although there are motivational and affective differences associated with different forms of one-on-one relationship, they all appear to be supported by the same suite of sociocognitive competencies, including the ability to read nonverbal communication signals, facial expressions, language, and theory of mind (e.g., Adolphs, 1999;Brothers & Ring, 1992;Dennett, 1987;Humphrey, 1976;Leslie, 1987;Moscovitch, Winocur, & Behrmann, 1997;Pinker, 1994). Theory of mind is especially salient in humans and represents the ability to make inferences about the intentions, beliefs, emotional states, and likely future behavior of other individuals (Baron-Cohen, 1995;Gopnik & Wellman, 1994).…”