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Infant Auditory Processing and Event-related Brain Oscillations
Published on: July 1, 2015
Linguistic and cognitive abilities in infancy: when does language become a tool for categorization?
1Laboraroite Cognition et Développement, Centre Universitaire de Boulogne, Institut de Psychologie - Université Paris 5, 71, Avenue Edouard Vaillant, 92774 Boulogne Billancourt, Cedex, France. thierry.nazzi@psycho.univ-paris5.fr
Cognition
|March 29, 2001
Summary
Young infants can learn object categories from pictures. Older infants (20 months) also use names to categorize objects, linking this skill to their growing vocabulary.
Area of Science:
- Developmental Psychology
- Cognitive Science
- Linguistics
Background:
- Infants develop categorization skills to understand the world.
- Early categorization relies on perceptual cues like vision.
- The role of linguistic information in infant categorization is less understood.
Purpose of the Study:
- To investigate infants' ability to form object categories using visual versus naming information.
- To examine age-related differences in categorization strategies at 16 and 20 months.
- To explore the relationship between vocabulary size and name-based categorization.
Main Methods:
- An object manipulation task was used to assess categorization abilities.
- Infants were tested at 16 and 20 months of age.
- Productive vocabulary size was measured for each infant.
Main Results:
- Infants at both 16 and 20 months used visual information for categorization.
- Only 20-month-old infants demonstrated the ability to use naming information for categorization.
- A significant correlation was found between vocabulary size and name-based categorization in 20-month-olds.
Conclusions:
- Infants as young as 20 months can utilize naming as a cue for object categorization.
- This ability appears linked to lexical development and vocabulary expansion.
- Findings suggest a developmental shift in how infants integrate linguistic and visual information for learning.
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