Research

What is visual biofeedback?

Various technologies can be harnessed to provide visual biofeedback for speech. Our lab is currently investigating the effectiveness of three types of real-time visual biofeedback for speech sound disorders, motor speech disorders, including Childhood Apraxia of Speech, accent reduction and voice disorders. The three types we focus on are ultrasound, visual-acoustic and electropalatographic (EPG) biofeedback.

Research studies:

We have several active government funded research studies. If you are interested in participating in a research study, please click here.


Ultrasound Biofeedback

An ultrasound probe held beneath the chin generates an image of the client’s tongue during speech. The client is directed to match an individualized tongue shape.

Visual Acoustic Biofeedback

The client views a computer-generated acoustic representation (e.g., LPC spectrum) of his/her speech. The client is directed to match the visual representation of their speech to a target frequency pattern.

Electropalatographic (EPG) Biofeedback

The client uses a pseudopalate, which registers and displays areas of contact between the client’s tongue and palate. The client is directed to match a target tongue-to palate contact pattern.

To learn more about our research studies and biofeedback treatment offerings, please fill out the informational form found HERE and someone from the lab will contact you. If you have any further questions please contact msuspeechstudy@gmail.com