Seeing behind the surface: communicative demonstration boosts category disambiguation in 12-month-olds.

Developmental Science
Ágnes M KovácsGergely Csibra

Abstract

In their first years, infants acquire an incredible amount of information regarding the objects present in their environment. While often it is not clear what specific information should be prioritized in encoding from the many characteristics of an object, different types of object representations facilitate different types of generalizations. We tested the hypotheses that 1-year-old infants distinctively represent familiar objects as exemplars of their kind, and that ostensive communication plays a role in determining kind membership for ambiguous objects. In the training phase of our experiment, infants were exposed to movies displaying an agent sorting objects from two categories (cups and plates) into two locations (left or right). Afterwards, different groups of infants saw either an ostensive or a non-ostensive demonstration performed by the agent, revealing that a new object that looked like a plate can be transformed into a cup. A third group of infants experienced no demonstration regarding the new object. During test, infants were presented with the ambiguous object in the plate format, and we measured generalization by coding anticipatory looks to the plate or the cup side. While infants looked equally often towards...Continue Reading

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Citations

Sep 7, 2017·Annual Review of Psychology·Danielle R Perszyk, Sandra R Waxman
Apr 10, 2020·Frontiers in Psychology·Jared VasilMaxwell J D Ramstead
Feb 5, 2021·Brain Sciences·Mihye Choi, Mohinish Shukla
Mar 27, 2021·Development and Psychopathology·Peter FonagyPatrick Luyten

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