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Communication Sciences and Disorders Commons™
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Articles 271 - 300 of 461
Full-Text Articles in Communication Sciences and Disorders
Assessing Correlations Between Lingual Movements And Formants, Christopher Dromey, Gwi-Ok Jang, Kristi Hollis
Assessing Correlations Between Lingual Movements And Formants, Christopher Dromey, Gwi-Ok Jang, Kristi Hollis
Faculty Publications
First and second formant histories have been used in studies of both normal and disordered speech to indirectly measure the activity of the vocal tract. The purpose of the present study was to determine the extent to which formant measures are reflective of lingual movements during diphthong production. Twenty native speakers of American English from the western United States produced four diphthongs in a sentence context while tongue movement was measured with a magnetic tracking system. Correlations were computed between the vertical tongue movements and the first formant, as well as between the anteroposterior movements and the second formant during …
Noun Clauses In Clinical Child Language Samples, Christine Beate Scoville
Noun Clauses In Clinical Child Language Samples, Christine Beate Scoville
Theses and Dissertations
Noun clauses are grammatical constructions that are of relevance both to typical language development and impaired language development. These clauses have been part of published techniques for the clinical analysis of language samples, and computer software for the automated analysis of clinical language samples has attempted to identify noun clauses, with limited success. The present study examined the development and clinical use of noun clauses as well as the automated identification of these clauses. Two sets of language samples were examined. One set consisted of 10 children with specific language impairment (SLI) whose age ranged from 7;6 to 11;1 (years;months), …
Using Systematic And Engaging Early Literacy Instruction And Digital Books To Teach At-Risk Kindergarteners To Read Target Words, Audra Marie Hales
Using Systematic And Engaging Early Literacy Instruction And Digital Books To Teach At-Risk Kindergarteners To Read Target Words, Audra Marie Hales
Theses and Dissertations
The purpose of this study was to examine the effects of using Systematic and Engaging Early Literacy (SEEL) intervention activities that incorporate digital books to teach kindergarteners to read. The study used a single-subject-multiple-baseline-across-behaviors design to compare kindergarten students' reading of comparable CVC words before and after intervention. Four students at-risk for reading difficulties were chosen for the study based on their performance on assessments and their teachers' recommendations. Students were divided into two dyads and received intervention three times a week for 25 minutes for approximately six weeks, or 18 total sessions. Baseline assessment data was collected prior to …
Perceptual, Acoustic, And Kinematic Effects Of Sentence-Initial, Single-Phoneme Prolongation In People Who Do And Do Not Stutter, Darrell Sharp Matthews
Perceptual, Acoustic, And Kinematic Effects Of Sentence-Initial, Single-Phoneme Prolongation In People Who Do And Do Not Stutter, Darrell Sharp Matthews
Theses and Dissertations
This study examined a sentence-initial one-second sound prolongation as a possible fluency-inducing condition in people who stutter. The effects of this prolongation technique on the single sentence utterances of five people who stutter (PWS) and five age- and gender-matched controls were investigated. Variables tested included stuttering percentages, speaking rate, duration of phonated intervals, and correlation between upper lip and lower lip/jaw. Results showed a non-significant trend for less stuttering to occur when participants used the prolongation technique. Significant findings included longer durations of phonated intervals and more negatively correlated upper- and lower-lip movements during the prolongation condition. Rate of speech …
The Correlation Between Spectral Moment Measures And Electropalatometric Contact Patterns For /T/ And /K/, Janelle Barrett
The Correlation Between Spectral Moment Measures And Electropalatometric Contact Patterns For /T/ And /K/, Janelle Barrett
Theses and Dissertations
Spectral moment analysis has helped further our understanding of the spectral properties of obstruent speech production; however, the physiologic correlates of these spectral measures are not well understood. The aim of the present study was to examine the possible correlations between the linguapalatal contact patterns used to produce the stops /t/ and /k/ and the resulting spectral characteristics. Using spectral moment analysis and electropalatography, the real-word productions of eight speakers of American English were investigated. The spectral measures for the stop consonant tokens in the present study were found to be similar to data reported in previous research with adult …
The Effect Of Intervention Using A Robot On The Social Engagement Behaviors Of Four Children With Autism In Interaction With An Unfamiliar Adult, Sarai Sophia Dodge
The Effect Of Intervention Using A Robot On The Social Engagement Behaviors Of Four Children With Autism In Interaction With An Unfamiliar Adult, Sarai Sophia Dodge
Theses and Dissertations
This study examined the effect of low doses of interactive therapy with a robot on the basic social engagement skills of four children with autism in interaction with an unfamiliar adult. The current study was part of a larger work investigating the effects of treatment incorporating a robot on the social engagement behaviors of children with autism. A single-subject, multiple-baseline research design was implemented and included four types of sessions: baseline, traditional intervention, intervention including the robot, and follow-up. Each participant received a total of 20 intervention sessions in addition to baseline and follow-up sessions. Intervention with the robot was …
An Acoustic Analysis Of Elements Of Contrastive Stress Produced By 8 To 10-Year-Old Children, Nicole Michelle Clover
An Acoustic Analysis Of Elements Of Contrastive Stress Produced By 8 To 10-Year-Old Children, Nicole Michelle Clover
Theses and Dissertations
Contrastive stress is an aspect of communication that can be used to highlight information, de-accent redundant information, and create distinctions between new and previously-provided information. Previous research has documented that adult speakers use relative changes in their vocal intensity, fundamental frequency (F0), and duration to mark contrastive stress in a sentence. However, less is understood about how and when children mark contrastive stress in their communication, thus the current study aims to examine a number of acoustic elements of contrastive stress in 8 to 10-year-old children. Speech samples were elicited from 20 children and analyzed to determine if the acoustic …
The Effects Of Utilizing A Robot On The Social Engagement Behaviors Of Children With Autism In A Triadic Interaction, Kristi Anne Blanchard
The Effects Of Utilizing A Robot On The Social Engagement Behaviors Of Children With Autism In A Triadic Interaction, Kristi Anne Blanchard
Theses and Dissertations
The study presents the use of a humanoid robot to facilitate social engagement behaviors in four children with autism. These children were enrolled in a semester long treatment program based on components of the SCERTS model designed to facilitate social communication (Prizant, 2003). Following baseline, children received intervention sessions with and without the robot. During sessions involving the robot, each child would participate in a 10 minute interaction (as part of a 50 minute sessions) using a robot to facilitate interaction with a graduate clinician or parent. The interactions were recorded and analyzed for occurrences of social engagement behaviors. This …
The Effect Of Utilizing A Humanoid Robot On Social Engagement Behaviors In Children With Autism During Interaction With A Familiar Adult, Alyssa Stabenow
The Effect Of Utilizing A Humanoid Robot On Social Engagement Behaviors In Children With Autism During Interaction With A Familiar Adult, Alyssa Stabenow
Theses and Dissertations
This study focused on intervention using a humanoid robot to facilitate social engagement and joint attention in four children with autism. Intervention was conducted over a three month period, with each child receiving pre-testing, intervention, and post-testing. Intervention was based on the SCERTS model (Prizant, Wetherby, Rubin, & Laurent, 2003). Pre- and post-testing involved interactions with a parent, a familiar adult interaction, a less-familiar adult interaction, and a triadic interaction. This study focuses on the baseline and follow-up testing from the interaction with the familiar adult. Following a period of traditional intervention, sessions involving a humanoid robot (named Troy) were …
Outcomes Of A Social Communication Intervention On The Use Of Emotion Words, Amy Tucker Cornett
Outcomes Of A Social Communication Intervention On The Use Of Emotion Words, Amy Tucker Cornett
Theses and Dissertations
Children with language impairment (LI) have often been identified as having social communication breakdowns. A number of these problems are likely the result of deficits in emotional competence. This thesis examines a social communication intervention designed to target the emotional competence of children with LI. Three elementary school-aged children with LI were recruited to receive twenty, 20-minute intervention sessions over the course of four months. Each intervention session involved a combination of activities targeting emotion recognition and emotion inferencing using story retell, story exploration, story enactment, perspectives charts, journal entries, emotion labeling, and personalization. These activities revolved around Mercer Mayer's …
Development Of Psychometrically Equivalent Speech Audiometry Materials For Measuring Speech Recognition Thresholds In Native Tagalog Speakers, Brandon Brian Taylor
Development Of Psychometrically Equivalent Speech Audiometry Materials For Measuring Speech Recognition Thresholds In Native Tagalog Speakers, Brandon Brian Taylor
Theses and Dissertations
In addition to the use of pure-tones for testing hearing, speech signals are highly valuable diagnostic tools for identifying and evaluating hearing impairment. Speech audiometry involves the implementation of such signals in the measurement of hearing acuity. One aspect of speech audiometry involves assessment of the speech recognition threshold (SRT) which evaluates an individual's ability to hear and understand speech. While live speech has been used in the past to assess SRT, recorded materials are preferred and have been shown to be advantageous over live speech. High-quality digitally recorded speech audiometry materials have been available in English for some time, …
Effect Of A Humanoid Robot During Therapy On Responding To Joint Attention With Children With Autism Spectrum Disorder, Katherine Lowe
Effect Of A Humanoid Robot During Therapy On Responding To Joint Attention With Children With Autism Spectrum Disorder, Katherine Lowe
Theses and Dissertations
This study examined the use of a humanoid robot to engage two children with Autism Spectrum Disorder (ASD) on responding language behaviors including language, affect, imitation, and eye contact. The robot was integrated into each child's regular intervention in low-doses (10 min of a 50 min session). The goal was to increase responding language behaviors in the children with their conversational partners. The two children participated in pre and post assessment sessions as well as 16 intervention sessions. The data from these sessions were coded into two main categories including how the children interacted (Initiating Engagement, Responding to …
Reliability Of The Mean Length Of Utterance Measure In Samples Of Children's Language, Katherine Marie Bigelow
Reliability Of The Mean Length Of Utterance Measure In Samples Of Children's Language, Katherine Marie Bigelow
Theses and Dissertations
Mean length of utterance (MLU) is widely used in child language sample analysis as a way to quantify language development. The current study examines the split-half reliability of MLU and two alternative measures: MLU2 and median length of utterance (MdLU). The effects of utterance segmentation into phonological units (P-units) or communication units (C-units) on reliability were also studied. Sixty conversational child language samples were used which included ten children with language impairment. All measures were found to have high levels of split-half reliability, with MLU and MLU2 having higher levels of reliability than MdLU. There was no significant difference between …
Social Circles Of Children With Language Impairment, Erin Whitworth
Social Circles Of Children With Language Impairment, Erin Whitworth
Theses and Dissertations
Children with language impairment (LI) often demonstrate difficulties in social communication. The purpose of this pilot study was to examine the quantity and quality of the social interactions of children with LI and their typical peers through an analysis of the social networks or circles of each child. Eight children with LI as well as eight children with typically developing language and their parents were interviewed. Children's social networks were organized by social circles to effectively paint a picture of each child's social communication (Blackstone & Hunt Berg, 2003). Children with LI were found to have overall fewer contacts in …
The Correlation Between Spectral Moment Measures And Electropalatographic Contact Patterns For /S/ And /Ʃ/, Benjamin James Marshall
The Correlation Between Spectral Moment Measures And Electropalatographic Contact Patterns For /S/ And /Ʃ/, Benjamin James Marshall
Theses and Dissertations
Spectral Moment Analysis has helped further our understanding of the spectral properties of obstruent speech production; however, the physiologic correlates of these spectral measures are not well understood. The aim of the present study was to examine the possible correlations between the linguapalatal contact patterns used to produce the fricatives /s/ and /ʃ/ and the resulting spectral characteristics. Using spectral moment analysis and electropalatography (EPG), the real-word productions of eight speakers of American English were investigated. The spectral measures for the fricative tokens in the present study were found to be similar to data reported in previous research with adult …
The Effect Of An Artificially Flattened Fundamental Frequency Contour On Intelligibility In Speakers With Dysarthria, Emily E. Redd
The Effect Of An Artificially Flattened Fundamental Frequency Contour On Intelligibility In Speakers With Dysarthria, Emily E. Redd
Theses and Dissertations
Prosody plays an important role in speech communication. Many individuals with motor speech disorders have decreased prosodic control and thus lower overall intelligibility. Few studies have examined the effect of a flattened prosodic contour on the intelligibility of dysarthric speech, and little is known about the role that listener gender plays in understanding disordered speech. The purpose of this study was to quantify the impact of artificial prosodic manipulation on the intelligibility of dysarthric speech as a function of the extent of fundamental frequency (F0) contour flattening. A further goal was to examine the influence of listener gender on intelligibility. …
Brain Mapping Of The Mismatch Negativity Response In Vowel Formant Processing, Elizabeth Anne Perry
Brain Mapping Of The Mismatch Negativity Response In Vowel Formant Processing, Elizabeth Anne Perry
Theses and Dissertations
The mismatch negativity (MMN) response, a passively-elicited component of the auditory event-related potential (ERP), reflects preattentive identification of infrequent changes in acoustic stimuli. In the current study, the MMN response was examined closely to determine what extent natural speech sounds evoke the MMN. It was hypothesized that a significant MMN response results during the presentation of deviant stimuli from which spectral energy within formant bands critical to vowel identification has been removed. Localizations of dipoles within the cortex were hypothesized to yield information pertaining to the processing of formant-specific linguistic information. A same/different discrimination task was administered to 20 adult …
Test-Retest Reliability In The Determination Of The Speech Recognition Threshold, Alyssa Montierth Jacobs
Test-Retest Reliability In The Determination Of The Speech Recognition Threshold, Alyssa Montierth Jacobs
Theses and Dissertations
For many years, speech recognition threshold (SRT) testing has been used as an indicator of audiologic health. However, with changing methods and technology, test-retest reliability has not been reviewed extensively with newer digitally recorded spondaic words which meet a published criterion of listener familiarity. This study examined the test-retest reliability of 33 high frequency usage and psychometrically equated spondaic words. The American Speech-Language-Hearing Association recommended method (2-dB decrements) was used to measure the left and right SRT of 40 participants using both male and female talker recordings. For each participant, four SRTs were found during the test condition and four …
Accuracy Of Automated Grammatical Tagging Of Narrative Language Samples From Spanish-Speaking Children, Tyson Gordon Harmon
Accuracy Of Automated Grammatical Tagging Of Narrative Language Samples From Spanish-Speaking Children, Tyson Gordon Harmon
Theses and Dissertations
The present study measured the accuracy of automated grammatical tagging software as compared to manual tagging in Spanish-speaking children's personal and fictional event narrative language samples. Studies have identified articles, clitic (contracted with a verb) pronouns, and verbs as clinical markers for language impairment in Spanish-speaking children. Automated grammatical tagging software may aid in the rapid identification of these grammatical markers. Grammatical morphemes of 30 first and fourth grade children's personal and fictional event narrative samples were tagged and compared with their respective manually tagged samples. The accuracy of word-level coding averaged 91%, and similar accuracy was found for clinically …
Electropalatographic Measures Of Stop Consonants In Speakers With And Without Apraxia Of Speech On Repeated Sampling Occasions, Christopher Dromey, Shannon C. Mauszycki, Julie L. Wambaugh
Electropalatographic Measures Of Stop Consonants In Speakers With And Without Apraxia Of Speech On Repeated Sampling Occasions, Christopher Dromey, Shannon C. Mauszycki, Julie L. Wambaugh
Faculty Publications
Apraxia of speech (AOS) is an acquired motor speech disorder characterized by difficulty producing speech sounds caused by deficits in motor planning. Various tools exist to examine the physiologic aspects of articulation. Unfortunately, very few physiologic studies of AOS have been conducted. Electropalatography (EPG) is one method for examining the tongue's role in articulation by measuring tongue-to-palate contact. However, there is limited research examining the articulatory changes that are attributable to repeated exposure with wearing the pseudopalate as well as desensitization to the pseudopalate. The purpose of this investigation was to examine the impact of repeated measurement using EPG with …
Frequency Response Of Synthetic Vocal Fold Models With Linear And Nonlinear Material Properties, Stephanie M. Shaw, Scott L. Thomson, Christopher Dromey, Simeon Smith
Frequency Response Of Synthetic Vocal Fold Models With Linear And Nonlinear Material Properties, Stephanie M. Shaw, Scott L. Thomson, Christopher Dromey, Simeon Smith
Faculty Publications
Purpose: The purpose of this study was to create synthetic vocal fold models with nonlinear stress-strain properties and to investigate the effect of linear versus nonlinear material properties on fundamental frequency during anterior-posterior stretching.
Method: Three materially linear and three materially nonlinear models were created and stretched up to 10 mm in 1 mm increments. Phonation onset pressure (Pon), fundamental frequency (F0) at Pon, and F0 at 0.20 kPa above Pon were recorded for each length. Measurements were repeated as the models were relaxed in 1 mm increments back to their resting …
The Measure Matters: Language Dominance Profiles Across Measures In Spanish–English Bilingual Children, Lisa M. Bedore, Elizabeth D. Pena, Connie Summers, Maria D. Resendiz, Kai Greene, Thomas M. Bohman, Ronald B. Gillam
The Measure Matters: Language Dominance Profiles Across Measures In Spanish–English Bilingual Children, Lisa M. Bedore, Elizabeth D. Pena, Connie Summers, Maria D. Resendiz, Kai Greene, Thomas M. Bohman, Ronald B. Gillam
Faculty Publications
The purpose of this study was to determine if different language measures resulted in the same classifications of language dominance and proficiency for a group of bilingual pre-kindergarteners and kindergarteners. Data were analyzed for 1029 Spanish–English bilingual pre-kindergarteners who spanned the full range of bilingual language proficiency. Parent questionnaires were used to quantify age of first exposure and current language use. Scores from a short test of semantic and morphosyntactic development in Spanish and English were used to quantify children’s performance. Some children who were in the functionally monolingual range based on interview data demonstrated minimal knowledge of their other …
A Preliminary Report On Disordered Speech With Deep Brain Stimulation In Individuals With Parkinson's Disease, Christopher Dromey, Suzy Bjarnason
A Preliminary Report On Disordered Speech With Deep Brain Stimulation In Individuals With Parkinson's Disease, Christopher Dromey, Suzy Bjarnason
Faculty Publications
Deep brain stimulation (DBS) of the subthalamic nucleus (STN) has proven effective in treating the major motor symptoms of advanced Parkinson's disease (PD). The aim of this study was to learn which laryngeal and articulatory acoustic features changed in patients who were reported to have worse speech with stimulation. Six volunteers with PD who had bilateral STN electrodes were recorded with DBS turned on or off. Perceptual ratings reflected poorer speech performance with DBS on. Acoustic measures of articulation (corner vowel formants, diphthong slopes, and a spirantization index) and phonation (perturbation, long-term average spectrum) as well as verbal fluency scores …
The Efficacy Of Social Communication Intervention In Improving Emotion Inferencing For School-Aged Children With Language Impairment, Matthew Keith Frank
The Efficacy Of Social Communication Intervention In Improving Emotion Inferencing For School-Aged Children With Language Impairment, Matthew Keith Frank
Theses and Dissertations
Children with language impairment (LI) have demonstrated several language problems, including receptive and expressive deficits. A growing body of research has further demonstrated emotion understanding and, more specifically, emotion inferencing deficits that negatively affect the ability of this population to use language successfully in social interactions. Consequently, the present study examines social communication intervention focused on improving emotion inferencing for children with a diagnosis of LI or Autism Spectrum Disorder (ASD), as similar social communication deficits are occasionally seen in children with these diagnoses. Study participants were identified from the caseload of a practicing certified speech-language pathologist (SLP) and qualified …
The Effects Of Gender And Elicitation Method On The Prosodic Cues Used By 7- To 11-Year-Old Children To Signal Sentence Type, Lacey Ann Powell
The Effects Of Gender And Elicitation Method On The Prosodic Cues Used By 7- To 11-Year-Old Children To Signal Sentence Type, Lacey Ann Powell
Theses and Dissertations
The purpose of this study was to examine the prosodic cues used by 7 to 11 year-old children to signal questions and declarative statements in terms of changes in fundamental frequency (F0), duration, and intensity. Additional aims were to evaluate how children's use of prosody changes as a function of gender and method of elicitation. A group of 16 children participated in three different types of elicitation tasks (imitative, reading, and naturalistic). An acoustic analysis revealed that the participants produced the different sentence types using a variety of acoustic cues. Not only do children vary the mean of F0 and …
The Effects Of A Literature-Based Emotion Recognition Program On Teacher Report Of Sociability Withdrawal For Six Children With Social Communication Difficulties, Jennifer Lynn Harris
The Effects Of A Literature-Based Emotion Recognition Program On Teacher Report Of Sociability Withdrawal For Six Children With Social Communication Difficulties, Jennifer Lynn Harris
Theses and Dissertations
Children with language impairment (LI) often demonstrate difficulties in social communication. Although a number of general social communication interventions have been suggested, there is relatively little work done to examine the efficacy of these interventions for school-age children with LI, and none reported to target general emotional competence. The purpose of this study was to examine the effects on teacher perception of an intervention designed to improve emotion understanding. The intervention was centered on the presentation and use of children's stories to introduce and practice aspects of emotion understanding. The withdrawn and sociable subscales of the Teacher Behavior Rating Scale …
Listeners' Ability To Identify The Gender Of Preadolescent Children Across Multiple Linguistic Contexts, Sharalee Ann Blunck
Listeners' Ability To Identify The Gender Of Preadolescent Children Across Multiple Linguistic Contexts, Sharalee Ann Blunck
Theses and Dissertations
The purpose of this study was to determine whether 20 listeners could identify the gender of 10 preadolescent children from speech samples. An additional aim was to evaluate whether listeners identified children more accurately when listening to speech samples when more linguistic context was available. The listeners were presented with a total of 190 speech samples in four different categories of linguistic context: segments, words, sentences, and discourse. The listeners were instructed to listen to each speech sample and decide whether the speaker was a male or female. In addition, the listeners were instructed to rate their level of confidence …
The Effect Of A Treatment Program Utilizing A Humanoid Robot On Social Engagement Of Two Children With Autism Spectrum Disorder, Margaret Michele Maxfield
The Effect Of A Treatment Program Utilizing A Humanoid Robot On Social Engagement Of Two Children With Autism Spectrum Disorder, Margaret Michele Maxfield
Theses and Dissertations
The purpose of this study was to evaluate the use of a robot (Troy) in a low-dose treatment protocol for two children with Autism Spectrum disorder. The efficacy of intervention was measured by comparing social engagement in two contexts: interactions with two adults and interaction with an unfamiliar adult. During the treatment, a robot was included in pseudo-triadic interactions with the clinician and the child. The robot was programmed to perform simple actions that imitated the actions of the clinician in an effort to engage the child. These pseudo-triadic interactions were incorporated into intervention over the course of a 16-session …
Analysis Of The Effectiveness Of Social Skills Intervention In Improving The Use Of Validating Comments Used By Children With Specific Language Impairments In Peer Group Interactions, Chelsea Pulsipher Mccleve
Analysis Of The Effectiveness Of Social Skills Intervention In Improving The Use Of Validating Comments Used By Children With Specific Language Impairments In Peer Group Interactions, Chelsea Pulsipher Mccleve
Theses and Dissertations
This study examined the efficacy of a social skills training program on the use of validating comments and negative comments by children with specific language impairment. The present study is an extension of a previous research project. Four children (three female, one male) with specific language impairment, ages 6 to 11, participated in a ten week social skills training program which involved direct instruction of target concepts, peer interactions with classmates, and evaluation of the use of target skills by reviewing videotaped peer interactions. The individual performance of each subject was compared to the age- and gender-matched typical peers with …
The Effects Of The Use Of A Humanoid Robot On Social Engagement In Two Children With Autism, Aersta Kayleen Acerson
The Effects Of The Use Of A Humanoid Robot On Social Engagement In Two Children With Autism, Aersta Kayleen Acerson
Theses and Dissertations
This study examines the effects of intervention using a robot on the social interactions of two children with Autism Spectrum Disorder (ASD). Robots have been shown to facilitate human-robot interaction in children with Autism Spectrum Disorder, yet research has not fully investigated the use of robots to enhance interactions between children with ASD and human conversational partners. The purpose of this study was to investigate the ability of a low-dose intervention procedure using a robot to increase social engagement between each child and his communication partner. Although variable, results were promising and suggested that additional investigation is warranted.