Journal article

Dynamic regional phase synchrony (DRePS): An Instantaneous Measure of Local fMRI Connectivity Within Spatially Clustered Brain Areas

Amir Omidvarnia, Mangor Pedersen, Jennifer M Walz, David N Vaughan, David F Abbott, Graeme D Jackson

HUMAN BRAIN MAPPING | WILEY | Published : 2016

Abstract

Dynamic functional brain connectivity analysis is a fast expanding field in computational neuroscience research with the promise of elucidating brain network interactions. Sliding temporal window based approaches are commonly used in order to explore dynamic behavior of brain networks in task-free functional magnetic resonance imaging (fMRI) data. However, the low effective temporal resolution of sliding window methods fail to capture the full dynamics of brain activity at each time point. These also require subjective decisions regarding window size and window overlap. In this study, we introduce dynamic regional phase synchrony (DRePS), a novel analysis approach that measures mean local in..

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Grants

Awarded by National Health and Medical Research Council (NHMRC) of Australia


Awarded by NHMRC


Funding Acknowledgements

Contract grant sponsor: National Health and Medical Research Council (NHMRC) of Australia; Contract grant number: 628952; Contract grant sponsors: Florey Institute of Neuroscience and Mental Health acknowledges the strong support from the Victorian Government and in particular the funding from the Operational Infrastructure Support Grant; Contract grant sponsor: NHMRC practitioner fellowship (to G.J.); Contract grant number: 1060312; Contract grant sponsor: The University of Melbourne scholarships (MIRS & MIFRS) (to M.P.); Contract grant sponsor: NHMRC postgraduate scholarship and a Windermere Foundation doctoral scholarship (to D.V.); Contract grant sponsor: Australian National Imaging Facility (to D.A.)