BRIEF TABLE OF CONTENTS
CHAPTER 1: The Nature of Sound
CHAPTER 2: The Respiratory System
CHAPTER 3: Clinical Application: Evaluation and Treatment of Respiratory Disorders
CHAPTER 4: The Phonatory/Laryngeal System
CHAPTER 5: Clinical Application: Evaluation and Treatment of Phonatory Disorders
CHAPTER 6: The Articulatory/Resonatory System
CHAPTER 7: Clinical Application: Evaluation and Treatment of Articulatory and Resonance Disorders
CHAPTER 8: The Auditory System
CHAPTER 9: Clinical Application: Evaluation and Treatment of Disorders Related to Hearing Impairment
CHAPTER 10: The Nervous System
CHAPTER 11: Clinical Application: Brain Imaging in the Evaluation and Treatment of Disorders of the Nervous System
CHAPTER 12: Models and Theories of Speech Production and Perception
DETAILED TABLE OF CONTENTS
Foreword?xiii
Preface?xv
Acknowledgments?xvii
Introduction?xix
Chapter 1: The Nature of Sound 1
International System of Units ?2
Basic Physics Concepts ?3
Mass, Force, Weight, Volume, and Density ?3
Speed, Velocity, Momentum, Acceleration, (and Inertia ?5
Elasticity and Stiffness ?5
Work, Energy, Power, and Intensity ?5
Pressure ?6
Sound: Changes in Air Pressure ?7
Behavior of Air ?7
Air Pressure ?7
Airflow ?8
Relationship between Air Pressure, Air Volume, and Air Density ?8
The Nature of Sound ?9
Why Molecules Keep Vibrating: Elasticity, Inertia, and Friction ?11
Sound Propagation ?13
Wave Motion of Sound ?13
Longitudinal Versus Transverse Waves ?13
Mass/Spring System ?15
Simple Harmonic Motion ?15
Frequency, Period, Wavelength, Velocity, and Amplitude ?16
Visually Depicting Sound Waves: Waveforms ?18
Pure Tones and Complex Sounds ?21
Pure Tones ?21
Complex Sounds ?21
Periodic Versus Aperiodic Complex Waves ?21
Visually Depicting Sound Waves: Spectra ?23
Sound Absorption, Reflection, Refraction, and Diffraction ?24
Constructive and Destructive Interference ?28
Attributes of Sounds ?31
Frequency and Pitch ?31
Frequency: Human Range of Hearing ?32
Amplitude, Intensity, and Loudness ?32
Decibel Scale ?34
Logarithms and Ratios ?34
Perception on the dB Scale ?36
Advantages of the Decibel Scale ?37
Applications of the Decibel Scale ?38
Resonance ?39
Acoustic Resonance ?42
Tube Resonance and Standing Waves ?44
Acoustic Resonators as Filters ?47
Bandwidth ?48
Cutoff Frequencies ?49
Resonance Curves ?49
Parameters of a Filter ?49
Types of Filters ?50?
Summary?53
Review Exercises?54
Chapter 2: The Respiratory System 55
Pulmonary Apparatus ?55
Bronchial Tree ?56
Chest Wall ?59
Muscles of Respiration ?62
Accessory Muscles of Respiration ?62
Muscles of the Abdomen ?62
Pleural Linkage ?64
Moving Air Into and Out of the Lungs ?66
Inhalation ?66
Exhalation ?67
Rate of Breathing ?67
Lung Volumes and Capacities ?68
Resting Expiratory Level ?69
Lung Volumes ?69
Tidal Volume ?70
Inspiratory Reserve Volume ?70
Expiratory Reserve Volume ?71
Residual Volume ?71
Dead Air ?72
Lung Capacities ?72
Vital Capacity ?72
Functional Residual Capacity ?72
Inspiratory Capacity ?72
Total Lung Capacity ?73
Differences between Breathing for Life and Breathing for Speech ?75
Location of Air Intake ?76
Ratio of Time for Inhalation Versus (Exhalation ?77
Volume of Air Inhaled and Exhaled (per Cycle ?77
Muscle Activity for Exhalation ?78
Chest Wall Shape ?79
Breathing Patterns for Speech ?80
Speech Breathing for Isolated Vowels and Connected Speech ?82
Changes in Speech Breathing Over the Life Span ?83
Features of Speech Breathing in Children ?83
Features of Speech Breathing in Older Adults ?84
Summary?86
Review Exercises?87
Chapter 3: Clinical Application: Evaluation and Treatment of Respiratory Disorders 88
Measurement of Respiratory Variables ?88
Pulmonary Function Testing ?89
Respiratory Kinematic Analysis ?92
Air Pressures ?94
Airflow ?95
Classification of Respiratory Problems ?96
Symptoms of Respiratory Disorders ?97
Respiratory Function and Speech Production in Selected Disorders ?98
Principles of Clinical Management of Speech Breathing Disorders ?98
Neurological Disorders ?99
Parkinson's Disease ?99
Cerebellar Disease ?101
Cervical Spinal Cord Injury ?102
Cerebral Palsy ?103
Mechanical Ventilation ?104
Voice Disorders ?106
Stuttering ?108
Asthma ?111
Paradoxical Vocal Fold Motion ?113
Summary?115
Review Exercises?115
Integrative Case Studies?116
Chapter 4: The Phonatory/Laryngeal System 118
Laryngeal Skeleton ?118
Bones, Cartilages, and Membranes ?118
Joints of the Larynx ?123
Valves within the Larynx ?127
Aryepiglottic Folds ?127
False Vocal Folds ?127
True Vocal Folds ?127
Cover-Body Model ?129
Glottis ?130
Muscles of the Larynx ?130
Extrinsic Muscles ?130
Intrinsic Muscles ?131
Myoelastic-Aerodynamic Theory of Phonation ?137
Models of Vocal Fold Vibration ?138
Features of Vocal Fold Vibration ?139
Changes in the Phonatory/Laryngeal System Over the Life Span ?144
Infancy and Childhood ?144
Puberty ?144
Adulthood ?145
Vocal Quality ?147
Normal Voice Quality ?148
Abnormal Voice Qualities ?149
Vocal Registers ?151
Physiologic and Acoustic Characteristics of Registers ?152
Use of Different Registers in Singing and Speaking ?153
Summary?154
Review Exercises?154
Chapter 5: Clinical Application: Evaluation and Treatment of Phonatory Disorders 155
Measurement of Phonatory Variables ?155
Acoustic Analysis ?155
Perturbation Measures ?160
Noise Measures ?162
Laryngeal Visualization Methods ?163
Electroglottography ?163
EGG and Register ?167
EGG Slope Quotients ?167
Techniques for Visualizing the Larynx ?170
Advantages of Acoustic and Visual Analysis of Phonatory Function ?174
Evaluation and Treatment of Communication Disorders Involving the Phonatory System ?176
Neurological Disorders ?176
Benign Mucosal Lesions ?181
Laryngeal Cancer ?183
Hearing Impairment ?186
Transsexual Voice ?187
Stuttering ?188
Summary?191
Review Exercises?192
Integrative Case Studies?192
Chapter 6: The Articulatory/Resonatory System 195
Articulators of the Vocal Tract ?195
Oral Cavity ?196
Lips ?197
Mandible ?198
Maxilla ?199
Teeth ?200
Hard Palate ?203
Soft Palate ?203
Tongue ?207
Pharynx ?211
Muscles of the Pharynx ?212
Nasal Cavities ?213
Valves of the Vocal Tract ?214
Traditional Classification System of Consonants and Vowels ?215
Place of Articulation of English (Consonants ?215
Manner of Articulation of English (Consonants ?216
Voicing ?221
Vowel Classification ?221
Vocal Tract Resonance ?223
Characteristics of the Vocal Tract Resonator ?224
Source-Filter Theory of Vowel Production ?226
Formant Frequencies Related to Oral and Pharyngeal Volumes ?228
Vowel Formant Frequencies ?231
F1/F2 Plots ?233
Spectrographic Analysis ?234
Narrowband and Wideband Spectrograms ?235
Relationship Between Articulation and Spectrographic Characteristics of Vowels and Consonants ?235
Vowels ?236
Diphthongs ?236
Nasals ?238
Glides ?239
Liquids ?239
Stops ?240
Fricatives ?244
Affricates ?246
The Production of Speech Sounds in Context ?246
Coarticulation ?247
Speaking Rate ?249
Suprasegmentals ?249
Summary?253
Review Exercises?253
Chapter 7: Clinical Application: Evaluation and Treatment of Articulatory and Resonance Disorders 255
Articulation, Intelligibility, and Instrumental Measurement ?255
Ultrasound ?256
Electropalatography and Glossometry ?257
Magnetic Resonance Imaging ?258
Electromagnetic Articulography ?258
Evaluation and Treatment of Communication Disorders Involving Articulation and Resonation ?260
Dysarthria/Apraxia ?260
Hearing Impairment ?267
Cochlear Implantation ?270
Speech Sound Disorders ?272
Cleft Palate ?274
Stuttering ?275
Resonance Problems ?76
Summary?278
Review Exercises?278
Integrative Case Studies?279
Chapter 8: The Auditory System 282
Anatomy of the Ear ?282
Outer Ear ?282
Tympanic Membrane ?284
Middle Ear ?284
Inner Ear ?288
Perception of Speech ?293
Segmentation Problem ?293
Role of Redundancy in Speech (Perception ?294
Instrumental Analysis of Vowel and Consonant Perception ?294
Perception of Vowels and Diphthongs ?295
Formant Frequency Relationships ?295
Diphthongs ?297
Consonants ?298
Categorical Perception ?298
Multiple Acoustic Cues ?299
Influence of Coarticulation ?299
Perception of Consonants ?300
Liquids ?300
Glides ?300
Nasals ?300
Stops ?301
Fricatives ?303
Affricates ?303
Summary?304
Review Exercises?304
Chapter 9: Clinical Application: Evaluation and Treatment of Disorders Related to Hearing Impairment 305
Types of Hearing Loss ?305
Diagnosis of Hearing Impairment ?306
Immittance Audiometry ?306
Tympanometry ?307
Static-Acoustic Middle Ear Admittance ?311
Acoustic Reflex Testing ?311
Otoacoustic Emissions Testing ?312
Auditory Brain Stem Response Testing ?313
Hearing Loss and Speech Perception ?314
Clinical Application ?314
Phoneme Recognition in Speakers with Hearing Loss ?315
Acoustic Cues Used in Phoneme (Recognition ?316
Vowel Perception ?316
Consonant Perception ?317
Cochlear Implants ?317
Clinical Application ?320
Otitis Media and Speech Perception ?320
Language and Reading Disability and Speech Perception ?321
Temporal Processing Problems ?322
Developmental Dyslexia and Speech Perception ?324
Articulatory Problems and Speech Perception ?324
Clinical Application ?326
Summary?326
Review Exercises?327
Integrative Case Studies?327Chapter 10
Chapter 10: The Nervous System 328
Brain Tissue ?329
Glial Cells ?329
Neurons ?330
Neuronal Function ?333
Neurotransmission ?333
Central and Peripheral Nervous (Systems ?338
Central Nervous System ?339
Functional Brain Anatomy ?342
Cortex ?342
Cortical Connections ?344
Lobes of the Brain ?345
Subcortical Areas of the Brain ?350
Basal Nuclei ?350
Thalamus ?352
Hypothalamus ?353
Brain Stem ?354
Midbrain ?355
Pons ?355
Medulla ?355
Cerebellum ?356
Spinal Cord ?357
Spinal Nerves ?361
Cranial Nerves ?362
CN V: Trigeminal ?363
CN VII: Facial ?365
CN VIII: Vestibulocochlear ?365
CN IX: Glossopharyngeal ?365
CN X: Vagus ?365
CN XII: Hypoglossal ?367
Blood Supply to the Brain ?368
Motor Control Systems Involved in Speech Production ?369
Motor Cortex ?370
Upper and Lower Motor Neurons ?372
Direct and Indirect Systems ?375
Motor Units ?375
Principals of Motor Control ?378
Role of Feedback and Feedforward in Speech Motor Control ?378
Role of Sensory Information in Speech Motor Control ?379
Efference Copy ?379
Summary?380
Review Exercises?380
Chapter 11: Clinical Application: Brain Imaging in the Evaluation and Treatment of Disorders of the Nervous System 381
Techniques for Imaging Brain (Structure ?382
Computerized Tomography ?382
Magnetic Resonance Imaging ?383
Techniques for Imaging Brain Function ?384
Functional Magnetic Resonance Imaging ?384
Positron Emission Tomography ?385
Single Photon Emission Computed Tomography ?385
Electroencephalography and Evoked Potentials ?386
Transcranial Magnetic Stimulation ?388
Use of Brain Imaging Techniques in Communication Disorders ?390
Stuttering ?390
Stroke ?391
Parkinson's Disease ?392
Multiple Sclerosis ?393
Alzheimer's Disease ?394
Summary?395
Review Exercises?395
Integrative Case Studies?396
Chapter 12: Models and Theories of Speech Production and Perception 397
Models and Theories ?398
Models ?398
Theories ?399
Issues Related to Organization and Regulation of Speech Motor Control ?400
The Serial-Order Issue ?400
Degrees of Freedom ?401
Context-Sensitivity Problem ?401
Models and Theories of Speech Production ?401
Dynamic Systems Models ?401
Connectionist Models ?402
Spatial and Articulatory Target Models ?402
Feedback and Feedforward Models ?404
The DIVA Model ?405
Speech Perception ?406
Specialization of Speech Perception ?406
Infant Perception ?407
Models and Theories of Speech Perception ?408
Acoustic Invariance Theory ?408
Direct Realism ?409
TRACE Model ?409
Logogen Theory ?410
Cohort Theory ?410
Fuzzy Logical Model of Perception ?410
Native Language Magnet Theory ?411
Motor Theory ?411
Summary?413
Review Exercises?414
Glossary?415
References?431
Index?459
