“…Crying is a highly precise action policy: the infant learns that its own crying causes the parents' various attempts to minimise its uncertainty along a wide range of responses (Pezzulo et al, 2023; see also: e.g., Frierson et al, 2021). The role of undertaking autonomous activities -even random as infants' 'motor babbling' (i.e., the flailing of the limbs; Aoki et al, 2016;Adolph & Hoch, 2019; see also: e.g., Smith & Gasser, 2005;Adolph & Robinson, 2015;Thelen, 1995) -for the development of skilful capabilities (i.e., goal-directed actions), has been shown by work in embodied robotics adopting the AIF. Research on social understanding has instead show the importance of engaging with the material world.…”