Dr. David J Zajac BS, MA, PH.D.
Speech-Language Pathologist
101 BRAUER HALL CB # 7450 CHAPEL HILL NC, 27599About
Dr. David Zajac is a speech language pathologist practicing in CHAPEL HILL, NC. Dr. Zajac specializes in speech, language and swallowing disorders in patients. As a speech language pathologist, Dr. Zajac evaluates, diagnoses and treats patients with communication and swallowing troubles. These conditions may be due to developmental delay, brain injury, hearing loss, autism, stroke or other diseases and injuries. Dr. Zajac helps patients make sounds and improve their voices through various methods. Speech language pathologists also work with patients to strengthen muscles used to speak and swallow, and work with individuals and families to help cope with their conditions.
Provider Details
Expert Publications
Data provided by the National Library of Medicine- Estimation of transpalatal nasalance during production of voiced stop consonants by noncleft speakers using an oral-nasal mask.
- Effects of altered fundamental frequency on nasalance during vowel production by adult speakers at targeted sound pressure levels.
- Evaluating the spectral distinction between sibilant fricatives through a speaker-centered approach.
- Spectral analysis of word-initial alveolar and velar plosives produced by Iranian children with cleft lip and palate.
- The assessment of velopharyngeal function using nasal ram pressure testing following palatoplasty.
- Abrupt laryngeal engagement during stop plosive-vowel transitions in children with repaired cleft palate and adequate velopharyngeal closure: aerodynamic and sound pressure level evidence.
- Nasalance scores of children with repaired cleft palate who exhibit normal velopharyngeal closure during aerodynamic testing.
- Age and Phonetic Influences on Velar Flutter as a Component of Nasal Turbulence in Children With Repaired Cleft Palate.
- The Nature of Nasal Fricatives: Articulatory-Perceptual Characteristics and Etiologic Considerations.
- Acoustic-temporal aspects of stop-plosives in the speech of Persian-speaking children with cleft lip and palate.
- Velopharyngeal Status of Stop Consonants and Vowels Produced by Young Children With and Without Repaired Cleft Palate at 12, 14, and 18 Months of Age: A Preliminary Analysis.
- Aerodynamic and Laryngeal Characteristics of Place-Dependent Voice Onset Time Differences.
Dr. David J Zajac BS, MA, PH.D.'s Practice location
UNC Dental Faculty Practice (Endodontics, General Dentistry, Operative Dentistry, Oral and Maxillofacial Pathology/Radio
120 Dental Circle Tarrson Hall -Chapel Hill, NC 27514Get Direction
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