Behavioral and Brain Sciences

Open Peer Commentary

Early development of shared intentionality with peers

Celia A. Brownell a1, Sara Nichols a1 and Margarita Svetlova a1
a1 Department of Psychology, University of Pittsburgh, Pittsburgh, PA 15260 [email protected] [email protected] [email protected]


In their account of the origins of human collaborative abilities, Tomasello et al. rely heavily on reasoning and evidence from adult–child collaborations. Peer collaborations are not discussed, but early peer collaborations differ from early adult–child collaborations. Describing and explaining the similarities and differences in shared intentionality with peers and adults will bring us closer to understanding the developmental mechanisms.