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Abstract #3960

Default Mode Network activity during spontaneous movement events

Francisca Marie Tan 1,2 , Karen Mullinger 1 , Yaping Zhang 2 , David Siu-Yeung Cho 2 , Susan Francis 1 , and Penny Gowland 1

1 Sir Peter Mansfield Imaging Centre, The University of Nottingham, Nottingham, Nottinghamshire, United Kingdom, 2 Department of Electrical and Electronic Engineering, The University of Nottingham Ningbo China, Ningbo, Zhejiang, China

The Default Mode Network (DMN) is associated with anti-correlation with task positive networks. In this study, we investigate the DMNs response to spontaneous motor events that are detected in the Somatosensory Network. Sparse paradigm free mapping is used to detect three movement types: long and short motor tasks, and spontaneous movements without prior timing information. DMN activity is compared for these three types. Results indicate that the DMN has higher average of activation for spontaneous events compared to task events. This analysis can be further extended to explore the DMNs behaviour for spontaneous events in other networks.

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