The effect of gender on the N1-P2 auditory complex was examined while listening and speaking with altered auditory feedback. Fifteen normal hearing adult males and 15 females participated. N1-P2 components were evoked while listening to self-produced nonaltered and frequency shifted /a/ tokens and during production of /a/ tokens during nonaltered…

The present study explored the prevalence of self-reported stuttering in a Finnish twin population and examined the extent to which the variance in liability to stuttering was attributable to genetic and environmental effects. We analyzed data of 1728 Finnish twins, born between 1961 and 1989. The participants were asked to complete a…

The purpose of this study was to examine stuttering behavior in German-English bilingual people who stutter (PWS), with particular reference to the frequency of stuttering on content and function words. Fifteen bilingual PWS were sampled who spoke German as the first language (L1) and English as a second language (L2). Conversational speech was…

Purpose: The aim of this study was to identify whether different patterns of errors exist in irregular past-tense verbs in children who stutter (CWS) and children who do not stutter (CWNS). Method: Spontaneous language samples of thirty-one age- and gender-matched pairs of children (total N = 62) between the ages of 24 months and 59 months were…

There are many treatments currently available for stuttering, for both children and adults. These range from direct interventions intended to reduce the severity and/or frequency of the speech behaviors of stuttering, to those intended to alleviate the anxiety and other mental health issues that can accompany the disorder. However, as there are…

Purpose: The authors of this quasi-experimental design study explored the effect of an educational documentary video that presented factual and emotional aspects of stuttering on changing attitudes toward stuttering of preservice trainees and in-service public school teachers in Kuwait. Method: Participants were 99 preservice trainees (48 control,…

Purpose: This clinical trial determined the outcomes of a simple syllable-timed speech (STS) treatment for school-age children who stutter. Method: Participants were 10 children, ages 6-11 years, who stutter. Treatment involved training the children and their parents to use STS at near normal speech rates. The technique was practiced in the clinic…

Purpose: This Phase I clinical trial explored the viability of webcam Internet delivery of the Camperdown Program for adolescents who stutter. Method and Procedure: Participants were 3 adolescents ages 13, 15, and 16 years, with moderate-severe stuttering. Each was treated with the Camperdown Program delivered by webcam with no clinic attendance.…

Adults with intellectual impairments have a high prevalence of stammering. Characteristic speech and associated behaviours are also different in quality and more variable between individuals than those of the typical adult population. This paper describes a speech and language therapy group with two adults with intellectual impairments and…

Purpose: Physiologic reactivity profiles were generated for 9 school-age children with a history of stuttering. Utilizing salivary sampling, stress biomarkers cortisol and alpha-amylase were measured in response to normal daily stressors. Children with a history of stuttering were characterized as high or low autonomic reactors when compared to…

Purpose: The objective of this research was to compare the number and types of grammatical and non-grammatical silent pauses presented by stutterers and subjects with Asperger syndrome in their narratives. Method: Ten children who stutter and four participants with Asperger syndrome (mean ages of both groups 10 years) were assessed at the Speech…

Many research studies have focused on perceptions of stuttering by various groups of people. However, there is limited research on the perceptions of university instructors toward stuttering and people who stutter. Therefore, this study explored the perceptions of university instructors toward stuttering and students who stutter, and their beliefs…

The primary purpose of this study was to re-examine the influence of phonetic complexity on stuttering in young children through the use of the Word Complexity Measure (WCM). Parent-child conversations were transcribed for 14 children who stutter (mean age = 3 years, 7 months; SD = 11.20 months). Lexical and linguistic factors were accounted for…

Background: Little is known about optimal treatment approaches and stuttering treatment outcomes for children with Down syndrome. Aims and method: The purpose of this study was to investigate outcomes for a child with Down syndrome who received a combination of fluency shaping therapy and parent delivered contingencies for normally fluent speech,…

Objectives: Stuttering has been associated with a range of anxiety disorders, including social phobia. In the general community, anxiety disorders are frequently associated with increased rates of mood and substance use disorders. Therefore, in the present study, the authors sought to determine the rate of mood and substance use disorders among…