Dynamic imaging of speech and swallowing with MRI.
Dynamic imaging with MRI holds great promise for visualizing soft tissue structures in the oropharyngeal region during speech and swallowing studies. However, MRI suffers from historically slow acquisition speed and sensitivity to significant magnetic susceptibility differences in this region. In this work, we describe our efforts in creating high temporal resolution, serial acquisitions of the muscles of the oropharyngeal region. We describe our imaging approach that leads to acquisition rates of up to 21 frames per second. Additionally, we compare the serial acquisition scheme to gated acquisitions that suffer from temporal blur due to limited repeatability of the dynamic action.
Sutton
Bradley P
BP
Bioengineering Department at the University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA. bsutton@illinois.edu
Conway
Charles
C
Bae
Youkyung
Y
Brinegar
Cornelius
C
Liang
Zhi-Pei
ZP
Kuehn
David P
DP
D003679:Deglutition / Q000502:physiology*; D006801:Humans; D007091:Image Processing, Computer-Assisted; D008279:Magnetic Resonance Imaging / Q000379:methods*; D013060:Speech / Q000502:physiology*