|Ultrasound||Ultra high frequency sound waves are used to create image sequences of tongue motion in real-time. These 2D sequences can be reconstructed into 3D tongue surfaces.|
|Cine-Magnetic Resonance Imaging (Cine-MRI)||Vocal tract image sequences are recorded at up to 25 Hz, by summing individual time phases of multiple repetition sequence during short speech utterances.|
|High Resolution MRI (hMRI)||Static images define muscles and depict crisp edges within the vocal tract.|
|Tagged Cine-Magnetic Resonance Imaging (tMRI)||Tags are applied to tissue, and image sequences are recorded as the tissue and tags deform. tMRI allows tracking of tissue points in oral structures, and calcualtion of deformation parameters.|
|Diffusion Tensor MRI (DTI)||Tissue orientation is quantified by imaging the orientation-dependent diffusion processes that are associated with fibers.|
|Acoustical Analysis||The speech wave is recorded simultaneously with the physiological measures and analysed using spectral and waveform analysis packages.|
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