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Abstract #0159

Topographic Mapping of Resting State fMRI Data

Eleanor Barratt1, Michael Asghar1, Matthew Brookes1, and Susan Francis1

1School of Physics, University of Nottingham, Nottingham, United Kingdom

Task-based fMRI can provide robust somatotopic mapping of digits of the hand. Resting state fMRI (rs-fMRI) provides the ability to parcellate brain areas based on their connectivity. Here, we use simultaneous multislice to acquire high spatial resolution fMRI resting state data with a short TR to determine whether we can topographically map connectivity within the sensorimotor cortex. Seed based locations of the index finger (Digit 2) and little finger (Digit 5) are defined from somatotopic travelling wave and finger tapping tasks, and used to demonstrate significant topographic mapping in rs-fMRI data.

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