Speech and Hearing Science Commons^™

Contextual Interference In Speech Motor Learning Secondary To Similar Phonemes, Katelyn M. Bond

Capstones and Honors Theses

Purpose: The contextual interference (CI) effect is a motor learning phenomenon where learners experience difficulty during training resulting in poor performance; however, improved performance is observed in transfer conditions. Different variables elicit a CI effect, and the purpose of this study is to investigate whether phoneme (or sound) similarity may result in a CI effect during speech motor learning.

Method: The study included twenty-nine participants whose hearing and speech abilities were within the normal range. Participants were randomly assigned to one of two training sessions involving nonwords with either similar or dissimilar phonemes. Each training session included nonword repetition training …

A Preliminary Investigation Of Velopharyngeal Timing In Normally Developing Preschool Children And Those With Speech Sound Disorders, Taylor Danielle Snodgrass

Graduate Theses, Dissertations, and Problem Reports

As children acquire speech and language, they also begin to develop speech motor control. A widely accepted theoretical model for explaining speech acquisition and motor modifications necessary for appropriate speech is the Directions Into Velocities of Articulators (DIVA)model.This model posits that individuals plan and produce speech (feedforward system). If errors in speech are identified, they are modified since the DIVA Model includes a feedback system that is sensitive to such perturbations made during speech production (feedback system). This feedback system functions to make positive changes to one’s motor programming for speech. Literature suggests that children gain stability …