I know that I know nothing: Cortical thickness and functional connectivity underlying meta-ignorance ability in pre-schoolers

Autor: Elisa Filevich, Caroline Garcia Forlim, Carmen Fehrman, Carina Forster, Markus Paulus, Yee Lee Shing, Simone Kühn
Jazyk: angličtina
Rok vydání: 2020
Předmět:
Zdroj: Developmental Cognitive Neuroscience, Vol 41, Iss , Pp - (2020)
Druh dokumentu: article
ISSN: 1878-9293
DOI: 10.1016/j.dcn.2019.100738
Popis: 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. Keywords: Metacognition, Brain structure, Functional connectivity
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