Development of visual perception of others’ actions: Children’s judgment of lifted weight

Autoři: Alessandra Sciutti aff001;  Laura Patanè aff002;  Giulio Sandini aff002
Působiště autorů: Cognitive Architecture for Collaborative Technologies (CONTACT) Unit, Istituto Italiano di Tecnologia, Genova, Italy aff001;  Robotics, Brain and Cognitive Sciences Department, Istituto Italiano di Tecnologia, Genova, Italy aff002
Vyšlo v časopise: PLoS ONE 14(11)
Kategorie: Research Article
doi: 10.1371/journal.pone.0224979


Humans are excellent at perceiving different features of the actions performed by others. For instance, by viewing someone else manipulating an unknown object, one can infer its weight–an intrinsic feature otherwise not directly accessible through vision. How such perceptual skill develops during childhood remains unclear. To confront this gap, the current study had children (N:63, 6–10 years old) and adults (N:21) judge the weight of objects after observing videos of an actor lifting them. Although 6-year-olds could already discriminate different weights, judgment accuracy had not reached adult-like levels by 10 years of age. Additionally, children’s stature was a more reliable predictor of their ability to read others’ actions than was their chronological age. This paper discusses the results in light of a potential link between motor development and action perception.

Klíčová slova:

Adults – Age groups – Children – Kinematics – Motor system – Musculoskeletal system – Sports – Vision


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