I know that I know nothing: Cortical thickness and functional connectivity underlying meta-ignorance ability in pre-schoolers.
Brain structure
Functional connectivity
Metacognition
Journal
Developmental cognitive neuroscience
ISSN: 1878-9307
Titre abrégé: Dev Cogn Neurosci
Pays: Netherlands
ID NLM: 101541838
Informations de publication
Date de publication:
02 2020
02 2020
Historique:
received:
18
01
2019
revised:
11
07
2019
accepted:
20
11
2019
pubmed:
4
12
2019
medline:
4
6
2020
entrez:
3
12
2019
Statut:
ppublish
Résumé
Metacognition plays a pivotal role in human development. The ability to realize that we do not know something, or meta-ignorance, emerges after approximately five years of age. We sought for the brain systems that underlie the developmental emergence of this ability in a preschool sample. Twenty-four children aged between five and six years answered questions under three conditions. In the critical partial knowledge condition, an experimenter first showed two toys to a child, then announced that she would place one of them in a box, out of sight from the child. The experimenter then asked the child whether she knew which toy was in the box. Children who gave consistently correct answers to this question (n = 9) showed greater cortical thickness in a cluster within left medial orbitofrontal cortex than children who did not (n = 15). Further, seed-based functional connectivity analyses of the brain during resting state revealed that this region is functionally connected to the medial orbitofrontal gyrus, posterior cingulate gyrus and precuneus, and mid- and inferior temporal gyri. This finding suggests that the default mode network, critically through its prefrontal regions, supports introspective processing. It leads to the emergence of metacognitive monitoring allowing children to explicitly report their own ignorance.
Identifiants
pubmed: 31790955
pii: S1878-9293(19)30325-1
doi: 10.1016/j.dcn.2019.100738
pmc: PMC6994539
pii:
doi:
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
100738Informations de copyright
Copyright © 2019 The Authors. Published by Elsevier Ltd.. All rights reserved.
Déclaration de conflit d'intérêts
Declaration of Competing Interest None.
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