Silvia Español holds a PhD. in Psychology from Universidad Autónoma de Madrid (Spain). She is currently a researcher at the Latin America Institute of Social Research, Faculty of Latin America Social Sciences/National Scientific and Technical Research Council (IICSAL, FLACSO/CONICET, Argentina). She also coordinates the Research Group on Socio-Cognitive Processes in Infancy and Early Childhood at the Psychology of Knowledge and Learning Department (FLACSO, Argentina), and is a Faculty member of the MSc. in Cognitive Psychology as well as Director of FLACSO's postgraduate virtual course The baby´s life: psychological development, scaffolding and nurturing environment. She is a certified Somatic Educator in the Feldenkrais Method. Her work deals with cognitive developmental psychology, the psychology of music, and the study of human movement. Mauricio Martínez has a PhD. in Psychology from Universidad Autónoma de Madrid (Spain). He participates in the Research Group on Socio-Cognitive Processes in Infancy and Early Childhood at Psychology of Knowledge and Learning at the Faculty of Latin America Social Sciences (FLACSO). He is Professor of Developmental Psychology at Universidad Abierta Interamericana (UAI) and Faculty member of the MsC. in Cognitive Psychology (FLACSO). He also teaches in the post-graduate virtual course The baby's life: psychological development, scaffolding and nurturing environmen" at FLACSO. His research focuses on early perceptual and intersubjective development, childhood play and early intervention in autism spectrum disorders. He is author of Intervención psicoeducativa para niños con trastorno del espectro autista [Psychoeducational intervention for children with autism spectrum disorders] (2015). Fernando G. Rodríguez is PhD. in Educational Sciences from Universidad de Buenos Aires. He has carried out research and training stays in Germany (DAAD) in Linguistics and Semiotics. He is currently Professor ofSemiology and Human Communication. He is member of the Research Group of Socio-Cognitive Processes in Infancy and Early Childhood at the Psychology of Knowledge and Learning Department (FLACSO, Argentina). As a researcher, his work is concerned with the development of communicative skills in young children, the structure of semiotic processes in general and the relationships between mind, sign and corporeality. Author of Semántica y pragmática en la comunicación del niño pregramatical. Gesto y palabra antes de la articulación morfosintáctica [Semantics and pragmatics in the communication of the pregrammatical child. Gesture and speech before morphosyntactic articulation] (2021) and co-editor of Los signos del cuerpo. Enfoques multimodales de la mente y el lenguaje [The signs of the body. Multimodal approaches to mind and language] (2018).