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Abstract #4325

Resting state networks detection, the importance of high temporal resolution: a comparison study between 2D-EPI, SMS 2D-EPI and 3D-EPI-CAIPI acquisitions

Mayur Narsude 1,2 , Wietske van der Zwaag 1 , Daniel Gallichan 1 , Rolf Gruetter 1 , and Jose Marques 2

1 CIBM, EPFL, Lausanne, Vaud, Switzerland, 2 University of Lausanne, Lausanne, Vaud, Switzerland

In this study we evaluate the importance of increased temporal resolution when analysing resting state networks. Furthermore, we evaluate the performance of two alternative approaches to obtain 3-fold acceleration in terms of temporal resolution in respect to standard multi-slice 2D-EPI: 3D-EPI-CAIPI and SMS-EPI. Both accelerated sequences offered improved statistical power in the RSN detection. Similar RSNs were detected with 3D-EPI-CAIPI and SMS-EPI and both could detect additional networks compared to standard 2D-EPI.

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