This webinar was originally accepted as a Teaching Course for ACPA's 77th Annual Meeting.

Many craniofacial professionals do not fully understand and appreciate the complexities of speech production. As such, they are not aware of how structure and the laws of physics can impact both resonance and speech production.

Normal speech production is, in fact, very complex and involves the coordination of the subsystems of respiration, phonation, velopharyngeal function, and speech articulation. Because these subsystems must work together (like a team), an anomaly or dysfunction in one of the subsystems can cause dysfunction of the other subsystems. (For example, a velopharyngeal opening during oral speech production can have an effect on respiration for speech, airflow for articulation of consonants, and resonance for voiced consonants and vowels. In some cases, it can even effect phonation.) With this background, the presenter will explain how the perceptual features of a speech and resonance disorder due to velopharyngeal insufficiency can be used to predict the size of the velopharyngeal opening. Finally, there will be a discussion of how surgical alteration of structure in the vocal tract can affect the physics of sound and airflow in a positive (or sometimes negative) way.

Continuing Education

Attendees must register, attend and evaluate each webinar to receive continuing education credit. This on-demand course will be eligible through March 31, 2022. 

  • ACCME: ACPA designates this educational activity for a maximum of 1.0 AMA PRA Category 1 Credits™.  Physicians should only claim credits commensurate with the extent of their participation in the activity. The American Cleft Palate-Craniofacial Association is accredited by the Accreditation Council for Continuing Medical Education (ACCME) to provide continuing medical education for physicians.

Nursing: This nursing continuing professional development activity was approved by the North Carolina Nurses Association, an accredited approver by the American Nurses Credentialing Center’s Commission on Accreditation.

To receive 1.0 contact hours:

  • Learners must attend 80% or more of the webinar.
  • Learners must complete and submit an evaluation form.

Neither the speakers nor members of the planning committee have any conflicts of interest related to the content of this activity.  Individual disclosures may be found in the “Topics” tab under their name. 

Original Seminar Date: July 16, 2020

On-Demand Release Date: July 17, 2020

On-Demand Expiration Date: March 31, 2022

Seminar Objectives
  • The learner will be able to describe the subsystems of speech and how they contribute to the production of individual speech sounds.
  • The learner will be able to discuss how abnormalities or changes in the structure within the vocal tract can affect the physics and acoustics of resonance and speech sound production in either a positive or negative way.
Seminar Information
Expiration Date:
March 31, 2022 11:55 PM
1 hour
ACPA Life Member Price:
Transitional Member Price:
Student Non-member Price:
Student Member Price:
Member Price:
ACPA Retired Price:
ACPA Member Price:
Full Price:
Understanding Speech/Resonance Disorders and Velopharyngeal Dysfunction Using a "Science Experiment" Approach
Speaker Information
Ann Kummer PhD, CCC-SLP  [ view bio ]
Individual topic purchase: Selected
AMA PRA Category 1 Credit(s)™: 1.00
Accreditation Council for Continuing Medical Education (non-MD/DO)
AMA PRA Category 1 Credit(s)™: 1.00
Nursing Contact Hours: 1.00
On-Demand Only
Student Non-member: $14.99
Student Member: $14.99
Member: $14.99
ACPA Retired: $14.99
ACPA Member: $14.99
ACPA Life Member: $14.99
Transitional Member: $14.99
Full Price: $24.99