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Abstract #2302

K-t BLAST/k-t FOCUSS in real time imaging of the soft palate during speech

Marzena Wylezinska 1 , Andreia Freitas 1,2 , Malcolm Birch 1 , and Marc Miquel 1,2

1 Clinical Physics, Barts Health NHS Trust, London, United Kingdom, 2 William Harvey Research Institute, Queen Mary University of London, London, United Kingdom

The aim of this work was to investigate the performance of k-t BLAST scheme when applied to real-time imaging of speech. We were particularly interested to determine if this method could be used clinically to visualize soft palate motion and velopharyngeal closure during speech. We have also investigated k-t FOCUSS algorithm for reconstruction of dynamic speech data and compared it with commercially available k-t BLAST reconstruction. K-t BLAST scheme is a promising tool to accelerate MRI for speech imaging. K-t FOCUSS reconstruction allowed to improve quality of the images.

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