Aphasia, Primary ProgressiveFrontotemporal DementiaAphasiaPrimary Progressive Nonfluent AphasiaDementiaAphasia, BrocaAnomiaFrontotemporal Lobar DegenerationAgraphiaAtrophyLanguage TestsNeuropsychological TestsPick Disease of the BrainApraxia, IdeomotorAphasia, WernickeSpeechTemporal LobeSemanticsLanguage DisordersMultiple Sclerosis, Chronic ProgressiveMagnetic Resonance ImagingFrontal LobeBrainAlzheimer DiseaseApraxiasSpeech Therapytau ProteinsLanguageNeuroimagingDNA Repeat ExpansionSpeech DisordersEcholaliaMental Status ScheduleCognition DisordersVerbal BehaviorDiffusion Tensor ImagingDementia, VascularTauopathiesBrain MappingComprehensionImage Processing, Computer-AssistedCerebral CortexMultiple Sclerosis, Relapsing-RemittingBehavioral SymptomsSupranuclear Palsy, ProgressiveAmyotrophic Lateral SclerosisBehaviorFunctional LateralityAge of OnsetDisease ProgressionImage Interpretation, Computer-AssistedMultiple SclerosisInclusion BodiesOsteitis DeformansPositron-Emission TomographyMotor Neuron DiseaseAphasia, ConductionNerve NetMyositis, Inclusion BodyCase-Control StudiesRNA-Binding Protein FUSNeurodegenerative DiseasesPsychomotor PerformanceChromosomes, Human, Pair 17TDP-43 Proteinopathies