Online Assessment and Enhancement of Auditory Perception for Speech Sound Errors: Online Rotating Delivery of Perception/Production Enhanced Treatment for Rhotics

Montclair State University

Summary

The goal of this clinical trial is to determine whether perceptual training enhances speech perception and production outcomes in children with Residual Speech Sound Disorders (RSSD). The main questions it aims to answer are: Does pre-treatment speech production accuracy predict treatment response? Does perceptual acuity influence the effectiveness of perception-first versus production-first interventions? Researchers will compare TAU+Perception-first and TAU-first treatment conditions to see if the order of intervention affects speech improvement outcomes, particularly based on participants' initial perception and production accuracy. Participants will: Complete pre-treatment evaluations to assess /r/ production and speech perception. Be grouped into high or low production and perception accuracy categories based on established thresholds. Be randomly assigned (using a blocked randomization procedure) to one of two treatment arms via telepractice. Participate in the assigned treatment condition designed to target speech sound accuracy. Randomization is stratified to ensure treatment groups are balanced based on pre-treatment severity in both the perception and production domains.

Description

Children with RSSD may vary in pre-treatment speech production severity, and the extent to which they can approximate /r/ may be an important indicator of subsequent treatment response. In addition, perceptual acuity may influence how participants respond to perception and/or production treatment. Therefore, a blocked randomization procedure will be used to protect against a situation where treatment groups are unbalanced with respect to pre-treatment severity in either the perception or production domain. Based on the treating clinicians' perceptual ratings of participants' performance in /r/…

Interventions

Behavioral

Visual acoustic biofeedback: ORDER

In visual-acoustic biofeedback treatment, elements of traditional articulation treatment are used, including auditory models, verbal descriptions of correct articulator placement, cues for repetitive motor practice via images and diagrams of the vocal tract as visual aids. These strategies are supplemented with a dynamic display of the speech signal in the form of the real-time LPC (Linear Predictive Coding) spectrum (Sona-Match module of PENTAX Sona- Speech software). Because correct vs incorrect productions of /r/ contrast acoustically in the frequency of the third formant (F3), participants will be cued to make their real-time LPC spectrum match a visual target characterized by a low F3 frequency. They will be encouraged to attend to the visual display while adjusting the placement of their articulators and observing how those adjustments impact F3. Knowledge of performance feedback will typically involve reference to the location of the third peak on the visual display.

Behavioral

Perception Training: ORDER

Description: Perceptual training involves self-paced presentation of auditory stimuli via a computerized software program (Gorilla). Stimuli are organized into three separate tasks. In tasks 1 and 3, which train category goodness judgment, participants will hear 75 naturally produced speech tokens containing /r/ from various speakers, with a balance of correct and incorrect productions. They will classify each /r/ as correct or incorrect and receive feedback on the accuracy of their classification. Tasks 1 and 3 differ in that task 1 will feature a subset of items designed to provide focused practice on a specific context (e.g., initial /r/ as in red; /r/ as syllable nucleus as in sir), with increasing difficulty over time, whereas task 3 will feature randomly selected items representing all contexts and difficulty levels. In task 2, participants will hear 75 items drawn from the synthetic rake-wake continuum used in the identification task administered at baseline, but they will recei

Online Assessment and Enhancement of Auditory Perception for Speech Sound Errors: Online Rotating Delivery of Perception/Production Enhanced Treatment for Rhotics

Summary

Description

Eligibility

Interventions

Location