2024
Investigating muscle coordination patterns with Granger causality analysis in protrusive motion from tagged and diffusion MRI
Park H, Xing F, Stone M, Kang H, Liu X, Zhuo J, Fels S, Reese T, Wedeen V, Fakhri G, Prince J, Woo J. Investigating muscle coordination patterns with Granger causality analysis in protrusive motion from tagged and diffusion MRI. JASA Express Letters 2024, 4: 095201. PMID: 39240196, PMCID: PMC11384280, DOI: 10.1121/10.0028500.Peer-Reviewed Original Research
2021
A deep joint sparse non-negative matrix factorization framework for identifying the common and subject-specific functional units of tongue motion during speech
Woo J, Xing F, Prince J, Stone M, Gomez A, Reese T, Wedeen V, El Fakhri G. A deep joint sparse non-negative matrix factorization framework for identifying the common and subject-specific functional units of tongue motion during speech. Medical Image Analysis 2021, 72: 102131. PMID: 34174748, PMCID: PMC8316408, DOI: 10.1016/j.media.2021.102131.Peer-Reviewed Original ResearchConceptsNon-negative matrix factorizationSparse Non-negative Matrix FactorizationIterative shrinkage-thresholding algorithmNon-negative matrix factorization frameworkDeep neural networksMatrix factorization frameworkDeep learning frameworkTongue motionIdentified functional unitsGraph regularizationClustering performanceWeight mapLearning frameworkSpectral clusteringNeural networkMatrix factorizationModular architectureIncreased interpretabilityMotion dataFactorization frameworkConvoluted natureComparison methodTagged magnetic resonance imagingMuscle coordination patternsSpeechSpeech intelligibility loss due to amyotrophic lateral sclerosis: the effect of tongue movement reduction on vowel and consonant acoustic features
Rong P, Usler E, Rowe L, Allison K, Woo J, Fakhri G, Green J. Speech intelligibility loss due to amyotrophic lateral sclerosis: the effect of tongue movement reduction on vowel and consonant acoustic features. Clinical Linguistics & Phonetics 2021, 35: 1091-1112. PMID: 33427505, DOI: 10.1080/02699206.2020.1868021.Peer-Reviewed Original ResearchConceptsTarget wordsIntelligence declineSpeech intelligibilityPredictors of speech intelligibilityDysarthria secondary to amyotrophic lateral sclerosisMotor performanceHealthy controlsReduced speech intelligibilityAcoustic featuresPhonetic distinctionsSpeech soundsRobust predictorsTongue movementDisease-related changesSpeech intelligibility declinesAmyotrophic lateral sclerosisTongue dynamicsMeasurement typesReduced rangeImpaired tongue movementMovement reductionWordsTongue bladeVowelsSpeech
2019
Atlas-Based Tongue Muscle Correlation Analysis From Tagged and High-Resolution Magnetic Resonance Imaging.
Xing F, Stone M, Goldsmith T, Prince J, El Fakhri G, Woo J. Atlas-Based Tongue Muscle Correlation Analysis From Tagged and High-Resolution Magnetic Resonance Imaging. Journal Of Speech Language And Hearing Research 2019, 62: 2258-2269. PMID: 31265364, PMCID: PMC6808360, DOI: 10.1044/2019_jslhr-s-18-0495.Peer-Reviewed Original ResearchConceptsInternal tongue musclesFloor of mouthMagnetic resonance imagingHigh-resolution magnetic resonance imagingMuscle pairsTongue musclesRehabilitation strategiesSpeech sound productionResonance imagingCoordination patternsSpeech motor controlMuscle locationDisease populationMotion of muscleMotor controlIntersubjective behaviorsManually labeled masksMuscleGlossectomy patientsExtrinsic tongue musclesControl subjectsBloc movementFunctional lossPatientsMotion patternsDifferentiating post-cancer from healthy tongue muscle coordination patterns during speech using deep learning
Woo J, Xing F, Prince J, Stone M, Green J, Goldsmith T, Reese T, Wedeen V, El Fakhri G. Differentiating post-cancer from healthy tongue muscle coordination patterns during speech using deep learning. The Journal Of The Acoustical Society Of America 2019, 145: el423-el429. PMID: 31153323, PMCID: PMC6530633, DOI: 10.1121/1.5103191.Peer-Reviewed Original Research
2018
A Sparse Non-Negative Matrix Factorization Framework for Identifying Functional Units of Tongue Behavior From MRI
Woo J, Prince J, Stone M, Xing F, Gomez A, Green J, Hartnick C, Brady T, Reese T, Wedeen V, Fakhri G. A Sparse Non-Negative Matrix Factorization Framework for Identifying Functional Units of Tongue Behavior From MRI. IEEE Transactions On Medical Imaging 2018, 38: 730-740. PMID: 30235120, PMCID: PMC6422735, DOI: 10.1109/tmi.2018.2870939.Peer-Reviewed Original ResearchConceptsNon-negative matrix factorization frameworkProbabilistic graphical model frameworkMatrix factorization frameworkGraphical model frameworkWeight mapSpectral clusteringSynthetic dataMuscle coordination patternsMatrix factorizationMotion dataMotion patternsTongue motionFactorization frameworkTwo-dimensional imagesMuscle groupsLocal regionsLocal muscle groupLocal structural elementsTagged-MRIImagesFunctional muscle groups