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Fronto-temporoparietal connectivity and self-awareness in 18-month-olds: A resting state fNIRS study

Bulgarelli, C; Blasi, A; de Klerk, CCJM; Richards, JE; Hamilton, A; Southgate, V; (2019) Fronto-temporoparietal connectivity and self-awareness in 18-month-olds: A resting state fNIRS study. Developmental Cognitive Neuroscience , 38 , Article 100676. 10.1016/j.dcn.2019.100676. Green open access

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Abstract

How and when a concept of the 'self' emerges has been the topic of much interest in developmental psychology. Self-awareness has been proposed to emerge at around 18 months, when toddlers start to show evidence of physical self-recognition. However, to what extent physical self-recognition is a valid indicator of being able to think about oneself, is debated. Research in adult cognitive neuroscience has suggested that a common network of brain regions called Default Mode Network (DMN), including the temporo-parietal junction (TPJ) and the medial prefrontal cortex (mPFC), is recruited when we are reflecting on the self. We hypothesized that if mirror self-recognition involves self-awareness, toddlers who exhibit mirror self-recognition might show increased functional connectivity between frontal and temporoparietal regions of the brain, relative to those toddlers who do not yet show mirror self-recognition. Using fNIRS, we collected resting-state data from 18 Recognizers and 22 Non-Recognizers at 18 months of age. We found significantly stronger fronto-temporoparietal connectivity in Recognizers compared to Non-Recognizers, a finding which might support the hypothesized relationship between mirror-self recognition and self-awareness in infancy.

Type: Article
Title: Fronto-temporoparietal connectivity and self-awareness in 18-month-olds: A resting state fNIRS study
Open access status: An open access version is available from UCL Discovery
DOI: 10.1016/j.dcn.2019.100676
Publisher version: https://doi.org/10.1016/j.dcn.2019.100676
Language: English
Additional information: © 2019 Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (http://creative commons.org/licenses/BY-NC-ND/4.0/).
Keywords: Default mode network, Functional connectivity, Resting-state, Self-awareness, Toddler development, fNIRS
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > Div of Psychology and Lang Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > Div of Psychology and Lang Sciences > Institute of Cognitive Neuroscience
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Med Phys and Biomedical Eng
URI: https://discovery.ucl.ac.uk/id/eprint/10078105
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