Abstract #3890

Fractional amplitude of low frequency fluctuation associated with chess expertise: possible role of insular cortex

Dan-Ling Hsu¹, David J Ouellette², Patricia L Stefancin³, Sinduja Tirumalai Govindarajan², and Tim Q Duong³

¹101 Nicolls Road, Stony Brook Medicine, Stony Brook, NY, United States, ²Biomedical engineering, Stony Brook University, Stony Brook, NY, United States, ³Radiology, Stony Brook Medicine, Stony Brook, NY, United States

While various expertise domains have been studied extensively, the literature body provides only a few reports on chess expertise at rest. To fill the literature gap of resting-state study on chess expertise, we fALFF differences on a dataset consists of 29 chess experts and 29 novices and found a higher fALFF in the right insula cortex (IC,r). A further seed-to-voxel functional connectivity analysis seeding IC,r reveals a higher functional integration with two regions involves in object recognition, suggesting its role in integrating visual processing in salience network among chess experts.

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