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Vocal wow in an adapted reflex resonance model.
J Acoust Soc Am
March 2020
Department of Physics and Astronomy, Ohio University, Athens, Ohio 45701, USA.
Vocal wow and tremor are slow modulations of the voice presumed to result from integration of auditory and somatosensory feedback, respectively. This distinction has important implications for diagnosis and treatment of neurological disorders that may differentially impact these systems, but the underlying mechanisms remain poorly understood. An important contribution on this matter is the reflex resonance model [Titze et al.
View Article and Find Full Text PDFRelations between Sensorimotor Integration and Speech Disorders in Parkinson's Disease.
Curr Alzheimer Res
March 2019
Neuroscience Institute of Castilla y Leon (INCYL), University of Salamanca, Salamanca. Spain.
Background: Sensorimotor integration mechanisms can be affected by many factors, among which are those involving neuromuscular disorders. Parkinson's disease (PD) is characterized by well-known motor symptoms, among which lately have been included motor speech deficits. Measurement of the acoustic startle reflex (ASR) and its modulations (prepulse inhibition and prepulse facilitation, PPI and PPF respectively) represent a simple and quantifiable tool to assess sensorimotor function.
View Article and Find Full Text PDFResponses of Middle-Frequency Modulations in Vocal Fundamental Frequency to Different Vocal Intensities and Auditory Feedback.
J Voice
September 2017
Department of Otorhinolaryngology, Faculty of Medicine, School of Medicine, National Yang-Ming University, Taipei, Taiwan; Department of Otolaryngology, Taipei City Hospital Renai Branch, Taipei, Taiwan. Electronic address:
Objectives And Background: Auditory feedback can make reflexive responses on sustained vocalizations. Among them, the middle-frequency power of F0 (MFP) may provide a sensitive index to access the subtle changes in different auditory feedback conditions.
Materials And Methods: Phonatory airflow temperature was obtained from 20 healthy adults at two vocal intensity ranges under four auditory feedback conditions: (1) natural auditory feedback (NO); (2) binaural speech noise masking (SN); (3) bone-conducted feedback of self-generated voice (BAF); and (4) SN and BAF simultaneously.
Feasibility and Associated Limitations of Office-Based Laryngeal Surgery Using Carbon Dioxide Lasers.
JAMA Otolaryngol Head Neck Surg
May 2017
Voice Clinic, Department of Otolaryngology, Cheng Hsin General Hospital, Taipei, Taiwan3Department of Otolaryngology, National Yang-Ming University, Taipei, Taiwan.
Importance: There are few reports evaluating awake, office-based carbon dioxide (CO2) laser surgery for laryngeal lesions. To date, this study was the largest reported case series of office-based laryngeal surgery by fiber delivery CO2 laser. Office-based laryngeal surgical procedures have become increasingly popular.
View Article and Find Full Text PDFThe role of auditory and kinaesthetic feedback mechanisms on phonatory stability in children.
Indian J Otolaryngol Head Neck Surg
December 2013
Ali Yavar Jung National Institute for the Hearing Handicapped, Manovikasnagar, Secunderabad, India.
Auditory feedback plays an important role in phonatory control. When auditory feedback is disrupted, various changes are observed in vocal motor control. Vocal intensity and fundamental frequency (F0) levels tend to increase in response to auditory masking.
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