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Use of a head camera to examine maternal input and its relation to 10- to 26-month-olds’ acquisition of mental and non-mental state vocabulary

Published online by Cambridge University Press:  28 May 2020

Ted RUFFMAN*
Affiliation:
University of Otago, New Zealand
Ben LORIMER
Affiliation:
University of Otago, New Zealand
Sarah VANIER
Affiliation:
University of Otago, New Zealand
Damian SCARF
Affiliation:
University of Otago, New Zealand
Kangning DU
Affiliation:
University of Otago, New Zealand
Mele TAUMOEPEAU
Affiliation:
University of Otago, New Zealand
*
*Address for correspondence:Ted Ruffman Department of Psychology University of Otago PO Box 56 DunedinNew Zealand e-mail: ted.ruffman@otago.ac.nz

Abstract

We examined the relation between maternal responsiveness and children's acquisition of mental and non-mental state vocabulary in 59 pairs of mothers and children aged 10 to 26 months as they engaged in a free-play episode. Children wore a head camera and responsiveness was defined as maternal talk that commented on the child's actions (e.g., when the child reached for or manipulated an object visible in the head camera). As hypothesized, maternal responsiveness correlated with both mental and non-mental state vocabulary acquisition in younger children (approximately 18 months and younger) but not older children. We posit a diminishing role for maternal responsiveness in language acquisition as children grow older.

Type
Articles
Copyright
Copyright © The Author(s), 2020. Published by Cambridge University Press

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