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Abstract #0697

Articulation Analysis Using Real Time Spiral MRI with TRACER

Bo Xu1, Sam Tilsen, Pascal Spincemaille2, Madhur Srivastava, Peter Doerschuk, Yi Wang1

1Biomedical Engineering, Cornell University, Ithaca, NY, United States; 2Weill Cornell Medical College, New York, United States

In this study, the real-time spiral MRI combined with the TRACER reconstruction is used for articulation analysis. This method maintains coverage and spatial resolution but achieves a high temporal frame rate that is shown to be advantageous for the investigation of speech motor control.

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Keywords

achieve acoustical acquisition aligned analyze anatomical anterior anyone aperture applications approximately articulation articulatory audience biomedical block clinical closure coil college conducted consistent consonant consonantal constrained constraint constriction control coverage density development durations dynamic dynamics ecological electromagnetic engineering error excite exhibited extract facilitates fast final frame fully gestures golden gradient grammar great greater important indicates influence initial initiated instructed intensities investigation journal kinematic kinematics known laboratory latter leaf limited lips magnitude matrix measures medical motor mouth movement movements native normalized observation offers onset pascal patterns peter pharyngeal phonology physics placed position posterior precedes preceding preliminary previous produce productions psychology reaches real reconstructed reconstruction registered release repeated represent representative resolution resolved response responses sampling scanned series shading since slice smoothed society spatial speaker speaks speech speed spiral spirals spoiled stress stressed studies subject subjects subsequent superior syllable target technologies temporal tracer tract ultra ultrasound utterances variable variables velocities velum vocal vowel vowels whereas