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Conceptual Analysis ARTICLE Provisionally accepted The full-text will be published soon. Notify me

Front. Psychol. | doi: 10.3389/fpsyg.2019.01708

A Penny for Your Thoughts: Children’s Inner Speech and its Neuro-Development

  • 1University College London, United Kingdom
  • 2Wellcome Trust Centre for Neuroimaging, University College London, United Kingdom
  • 3Durham University, United Kingdom
  • 4Department of Psychology, Durham University, United Kingdom

Inner speech emerges in early childhood, in parallel with the maturation of the dorsal language stream. To date, the developmental relations between these two processes have not been examined. We review evidence that the dorsal language stream has a role in supporting the psychological phenomenon of inner speech, before considering paediatric studies of the dorsal stream’s anatomical development and evidence for its emerging functional roles. We examine possible causal accounts of the relations between these two developmental processes, and consider their implications for phylogenetic theories about the evolution of inner speech and the accounts of the ontogenetic relations between language and cognition.

Keywords: neural development mechanism, Dorsal language pathway, Ventral language pathway, Arcuate Fasciculus (AF), Superior longitudinal fasciculus

Received: 09 Oct 2018; Accepted: 09 Jul 2019.

Edited by:

Thomas M. Brinthaupt, Middle Tennessee State University, United States

Reviewed by:

Cyrille Magne, Middle Tennessee State University, United States
Emily M. Elliott, Louisiana State University, United States  

Copyright: © 2019 Geva and Fernyhough. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

* Correspondence: Dr. Sharon Geva, University College London, London, United Kingdom, s.geva@ucl.ac.uk