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    Altered resting-state dynamics in autism spectrum disorder: causal to the social impairment?

    Gotts, S.J. and Ramot, M. and Jasmin, Kyle and Martin, A. (2018) Altered resting-state dynamics in autism spectrum disorder: causal to the social impairment? Progress in Neuro-Psychopharmacology & Biological Psychiatry 90 , pp. 28-36. ISSN 1878-4216.

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    Autism spectrum disorder (ASD) is characterized by profound impairments in social abilities and by restricted interests and repetitive behaviors. Much work in the past decade has been dedicated to understanding the brain-bases of ASD, and in the context of resting-state functional connectivity fMRI in high-functioning adolescents and adults, the field has established a set of reliable findings: decreased cortico-cortical interactions among brain regions thought to be engaged in social processing, along with a simultaneous increase in thalamo-cortical and striato-cortical interactions. However, few studies have attempted to manipulate these altered patterns, leading to the question of whether such patterns are actually causally involved in producing the corresponding behavioral impairments. We discuss a few such recent attempts in the domains of fMRI neurofeedback and overt social interaction during scanning, and we conclude that the evidence of causal involvement is somewhat mixed. We highlight the potential role of the thalamus and striatum in ASD and emphasize the need for studies that directly compare scanning during multiple cognitive states in addition to the resting-state.


    Item Type: Article
    Keyword(s) / Subject(s): ASD, Neurofeedback, Functional connectivity, Hypoconnectivity, Hyperconnectivity
    School: Birkbeck Faculties and Schools > Faculty of Science > School of Psychological Sciences
    Depositing User: Kyle Jasmin
    Date Deposited: 08 Feb 2019 14:20
    Last Modified: 02 Aug 2023 17:47


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