caa a22 4500 445351624 CHVBK 20180317142845.0 cr unu---uuuuu 170323e20110601xx s 000 0 eng 10.1007/s00221-011-2712-1 doi (NATIONALLICENCE)springer-10.1007/s00221-011-2712-1 What should I do next? Using shared representations to solve interaction problems [Elektronische Daten] [Giovanni Pezzulo, Haris Dindo] Studies on how "the social mind” works reveal that cognitive agents engaged in joint actions actively estimate and influence another's cognitive variables and form shared representations with them. (How) do shared representations enhance coordination? In this paper, we provide a probabilistic model of joint action that emphasizes how shared representations help solving interaction problems. We focus on two aspects of the model. First, we discuss how shared representations permit to coordinate at the level of cognitive variables (beliefs, intentions, and actions) and determine a coherent unfolding of action execution and predictive processes in the brains of two agents. Second, we discuss the importance of signaling actions as part of a strategy for sharing representations and the active guidance of another's actions toward the achievement of a joint goal. Furthermore, we present data from a human-computer experiment (the Tower Game) in which two agents (human and computer) have to build together a tower made of colored blocks, but only the human knows the constellation of the tower to be built (e.g., red-blue-red-blue-$$\ldots$$). We report evidence that humans use signaling strategies that take another's uncertainty into consideration, and that in turn our model is able to use humans' actions as cues to "align” its representations and to select complementary actions. Springer-Verlag, 2011 Joint action nationallicence Shared representations nationallicence Bayesian model nationallicence Signaling nationallicence Motor simulation nationallicence Pezzulo Giovanni Istituto di Linguistica Computazionale "Antonio Zampolli”, CNR, Via Giuseppe Moruzzi, 1, 56124, Pisa, Italy aut Dindo Haris Computer Science Engineering, University of Palermo, Viale delle Scienze, Ed. 6, 90128, Palermo, Italy aut Experimental Brain Research Springer-Verlag 211/3-4(2011-06-01), 613-630 0014-4819 211:3-4<613 2011 211 221 https://doi.org/10.1007/s00221-011-2712-1 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s00221-011-2712-1 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Pezzulo Giovanni Istituto di Linguistica Computazionale "Antonio Zampolli”, CNR, Via Giuseppe Moruzzi, 1, 56124, Pisa, Italy aut NATIONALLICENCE 700 1- Dindo Haris Computer Science Engineering, University of Palermo, Viale delle Scienze, Ed. 6, 90128, Palermo, Italy aut NATIONALLICENCE 773 0- Experimental Brain Research Springer-Verlag 211/3-4(2011-06-01), 613-630 0014-4819 211:3-4<613 2011 211 221 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer