D. Zajac

D. W. Warren, R. Mayo, D. Zajac, 1998, The Cleft palate-craniofacial journal : official publication of the American Cleft Palate-Craniofacial Association.

Maxillary arch dimensions and spectral characteristics of children with cleft lip and palate who produce middorsum palatal stops.

L. Cevidanes, D. Zajac, K. Haley, 2012, Journal of speech, language, and hearing research : JSLHR.

Reliability and Validity of a Computer-Mediated, Single-Word Intelligibility Test: Preliminary Findings for Children with Repaired Cleft Lip and Palate

D. Zajac, K. Haley, Amanda Lloyd, 2011, The Cleft palate-craniofacial journal : official publication of the American Cleft Palate-Craniofacial Association.

Vocabulary Growth From 18 to 24 Months of Age in Children With and Without Repaired Cleft Palate.

E. Crais, J. Preisser, M. Eshghi, 2019, Journal of speech, language, and hearing research : JSLHR.

The Nature of Nasal Fricatives: Articulatory-Perceptual Characteristics and Etiologic Considerations.

D. Zajac, 2015, Perspectives on speech science and orofacial disorders.

Impacts of Skeletal Anterior Open Bite Malocclusion on Speech

T. Turvey, Jeff Mielke, K. Moss, 2022, FACE.

ORTHOGNATHIC SPEECH PATHOLOGY: UNDERSTANDING HOW CLASS III JAW DISHARMONIES INFLUENCE SPEECH UTILIZING SPECTRAL MOMENT ANALYSIS

C. Ko, D. Zajac, Alan C. Kinlaw, 2019 .

Orthognathic speech pathology: impacts of Class III malocclusion on speech

T. Turvey, Jeff Mielke, K. Moss, 2021, European journal of orthodontics.

Microphone sensitivity as a source of variation in nasalance scores.

R. Mayo, D. Zajac, R. Lutz, 1996, Journal of speech and hearing research.

Age and gender effects on nasal respiratory function in normal subjects.

P. Vig, D. Zajac, 1993, The Cleft palate-craniofacial journal : official publication of the American Cleft Palate-Craniofacial Association.

Dyspnea following experimentally induced increased nasal airway resistance.

D. W. Warren, R. Mayo, D. Zajac, 1996, The Cleft palate-craniofacial journal : official publication of the American Cleft Palate-Craniofacial Association.

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.

J. Preisser, M. Eshghi, D. Zajac, 2017, Journal of speech, language, and hearing research : JSLHR.

Velopharyngeal Function in Speech Production

D. Zajac, 2015 .

Direct Measurement of Subglottic Air Pressure While Swallowing

M. Weissler, D. Zajac, R. Gross, 2006, The Laryngoscope.

Aerodynamic characteristics of tracheostomy speaking valves: an updated report.

D. Zajac, L. Fornataro-Clerici, T. A. Roop, 1999, Journal of speech, language, and hearing research : JSLHR.

Age and Phonetic Influences on Velar Flutter as a Component of Nasal Turbulence in Children with Repaired Cleft Palate

J. Preisser, D. Zajac, 2016, The Cleft palate-craniofacial journal : official publication of the American Cleft Palate-Craniofacial Association.

Effects of vowel height and vocal intensity on anticipatory nasal airflow in individuals with normal speech.

R. Mayo, D. Zajac, C. Hooper, 2001, Journal of speech, language, and hearing research : JSLHR.

Effects of Altered Fundamental Frequency on Nasalance during Vowel Production by Adult Speakers at Targeted Sound Pressure Levels

D. Zajac, K. Mandulak, 2009, The Cleft Palate-Craniofacial Journal.

The effect of speaking rate on velopharyngeal function in healthy speakers

Y. Yunusova, D. Zajac, A. Gauster, 2010, Clinical linguistics & phonetics.

Estimation of Transpalatal Nasalance during Production of Voiced Stop Consonants by Noncleft Speakers Using an Oral-Nasal Mask

David J. Zajac, D. Zajac, Emily L. Bundy, 2006, The Cleft palate-craniofacial journal : official publication of the American Cleft Palate-Craniofacial Association.

The Assessment of Velopharyngeal Function Using Nasal Ram Pressure Testing following Palatoplasty

J. V. van Aalst, O. Emodi, D. Zajac, 2013, The Cleft palate-craniofacial journal : official publication of the American Cleft Palate-Craniofacial Association.

The Palatal Closure Efficiency (PaCE) Index: A New Speaker-Centered Aerodynamic Metric for the Evaluation of Velopharyngeal Function During Speech.

David J. Zajac, Juliana Powell, Laura Perotta, 2021, Perspectives of the ASHA special interest groups.

Vocal Loudness as Contributory to the Occurrence of Obligatory Posterior Nasal Turbulence

M. Eshghi, D. Zajac, 2018, The Cleft palate-craniofacial journal : official publication of the American Cleft Palate-Craniofacial Association.

Evaluating the spectral distinction between sibilant fricatives through a speaker-centered approach

David J. Zajac, Katarina L. Haley, Elizabeth Seelinger, 2010, J. Phonetics.

Emergence of Prevocalic Stop Consonants in Children With Repaired Cleft Palate.

J. Preisser, D. Vivaldi, D. Zajac, 2020, Journal of speech, language, and hearing research : JSLHR.

Aerodynamic and laryngographic assessment of pediatric vocal function

D. Zajac, S. Stool, Z. Farkas, 1993, Pediatric pulmonology.

Deglutitive Subglottic Air Pressure and Respiratory System Recoil

R. Carrau, F. Sciurba, W. Slivka, 2012, Dysphagia.

Aerodynamic Characteristics of the Upper Airways During Speech Production: A Developmental Perspective

D. Zajac, 1997 .

Validating Spectral Moment Analysis as a Quantitative Measure of Speech Distortions in Speakers With Class III Malocclusions.

K. Moss, D. Zajac, L. Jacox, 2022, Perspectives of the ASHA special interest groups.

Pressure-Flow Characteristics of /m/ and /p/ Production in Speakers without Cleft Palate: Developmental Findings

D. Zajac, 2000 .

Pressure-flow characteristics of /m/ and /p/ production in speakers without cleft palate: developmental findings.

D. Zajac, 2000, The Cleft palate-craniofacial journal : official publication of the American Cleft Palate-Craniofacial Association.

Effects of a pressure target on laryngeal airway resistance in children.

D. Zajac, 1998, Journal of communication disorders.

Respiratory Responses to Sudden Pressure Venting during Stop Consonant Production

D. W. Warren, R. Mayo, D. Zajac, 1999, Folia Phoniatrica et Logopaedica.

Lexicogrammatical skills in 2-year-old children with and without repaired cleft palate

E. Crais, J. Preisser, M. Eshghi, 2021, Clinical linguistics & phonetics.

Acoustic-temporal aspects of stop-plosives in the speech of Persian-speaking children with cleft lip and palate

J. Preisser, M. Eshghi, D. Zajac, 2017, International journal of speech-language pathology.

Accuracy of the pressure-flow method in estimating induced velopharyngeal orifice area: effects of the flow coefficient.

D. Zajac, C. C. Yates, 1991, Journal of speech and hearing research.

Does the respiratory system function as an active pressure-flow source during experimental venting of oral air pressure? Comments on Finnegan, Luschei, and Hoffman (1999).

D. W. Warren, D. Zajac, 2000, Journal of speech, language, and hearing research : JSLHR.

The response to sudden change in vocal tract resistance during stop consonant production.

G. Essick, D. W. Warren, R. Mayo, 1997, Journal of speech, language, and hearing research : JSLHR.

Aerodynamic and acoustic characteristics of a speaker with turbulent nasal emission: a case report.

R. Mayo, D. Zajac, R. Kataoka, 1996, The Cleft palate-craniofacial journal : official publication of the American Cleft Palate-Craniofacial Association.

Temporal Characteristics of Aerodynamic Segments in the Speech of Children and Adults

D. Zajac, Alyssa M. Hackett, 2002 .

Temporal characteristics of aerodynamic segments in the speech of children and adults.

D. Zajac, Alyssa M. Hackett, 2002, The Cleft palate-craniofacial journal : official publication of the American Cleft Palate-Craniofacial Association.

Development and Resolution of Nasal Fricatives in a Child with Repaired Bilateral Cleft Lip and Palate: A Case Report.

D. Zajac, M. McQuillan, J. Powell, 2021, Perspectives of the ASHA special interest groups.

Lexical Selectivity of 2-Year-Old Children With and Without Repaired Cleft Palate Based on Parent Report

D. Zajac, Adriane L. Baylis, L. Vallino, 2020, The Cleft palate-craniofacial journal : official publication of the American Cleft Palate-Craniofacial Association.

Impacts of Development, Dentofacial Disharmony, and Its Surgical Correction on Speech: A Narrative Review for Dental Professionals

Jeff Mielke, Raymond P. White, D. Zajac, 2023, Applied sciences.

The relationship between spectral characteristics and perceived hypernasality in children.

D. W. Warren, R. Mayo, D. Zajac, 2001, The Journal of the Acoustical Society of America.

Age and Gender Effects on Nasal Respiratory Function in Normal Subjects

P. Vig, D. Zajac, 1993 .

Abrupt Laryngeal Engagement during Stop Plosive-Vowel Transitions in Children with Repaired Cleft Palate and Adequate Velopharyngeal Closure: Aerodynamic and Sound Pressure Level Evidence

D. Zajac, Sarah Milholland, 2014, The Cleft palate-craniofacial journal : official publication of the American Cleft Palate-Craniofacial Association.

Laryngeal Airway Resistance in Children with Cleft Palate and Adequate Velopharyngeal Function

D. Zajac, 1995 .

The Influence of Acoustic and Perceptual Factors on Perceived Hypernasality in the Vowel [i]: A Preliminary Study

David J. Zajac, Robert Mayo, D. W. Warren, 2001, Folia Phoniatrica et Logopaedica.

Obligatory Nasal Turbulence as a Trigger for the Development of Posterior Nasal Fricatives in a Child With Repaired Cleft Palate

D. Zajac, 2018, The Cleft palate-craniofacial journal : official publication of the American Cleft Palate-Craniofacial Association.

Handbook of Clinical Speech Physiology

D. Zajac, 2000 .

Nasalance scores of children with repaired cleft palate who exhibit normal velopharyngeal closure during aerodynamic testing.

D. Zajac, 2013, American journal of speech-language pathology.

Nasal coarticulation in normal speakers: a re-examination of the effects of gender.

R. Mayo, D. Zajac, R Kataoka, 1998, Journal of speech, language, and hearing research : JSLHR.

The Assessment of Velopharyngeal Function Using Nasal Ram Pressure Testing following Palatoplasty

J. V. van Aalst, O. Emodi, D. Zajac, 2013, The Cleft palate-craniofacial journal : official publication of the American Cleft Palate-Craniofacial Association.

The Influence of Nasality of Voice on Sex-Stereotyped Perceptions

David J. Zajac, Kathleen Bloom, K. Bloom, 1999 .