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

    Bulgarelli, Chiara and Blasi Ribera, Anna and de Klerk, Carina C.J.M. and Richards, J.E. and Hamilton, A. and Southgate, Victoria (2019) Fronto-temporoparietal connectivity and self-awareness in 18-month-olds: a resting state fNIRS study. Developmental Cognitive Neuroscience 38 , p. 100676. ISSN 1878-9293.

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    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. [Abstract copyright: Copyright © 2019. Published by Elsevier Ltd.]


    Item Type: Article
    Keyword(s) / Subject(s): Default mode network, Functional connectivity, Resting-state, Self-awareness, Toddler development, fNIRS
    School: Birkbeck Faculties and Schools > Faculty of Science > School of Psychological Sciences
    SWORD Depositor: Mr Joe Tenant
    Depositing User: Mr Joe Tenant
    Date Deposited: 16 Sep 2019 07:45
    Last Modified: 02 Aug 2023 17:52


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