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Articles 1 - 26 of 26
Full-Text Articles in Speech and Hearing Science
A Neurophysiological Investigation Of Listening Effort In Normal Hearing Adults Using Fnirs And Pupillometry, Jessica Defenderfer
A Neurophysiological Investigation Of Listening Effort In Normal Hearing Adults Using Fnirs And Pupillometry, Jessica Defenderfer
Theses and Dissertations (ETD)
Real-world conversations are often accompanied by some sort of interference that challenges the clarity of the speaker’s message, causing listeners to exert more effort to understand speech. Previous research has demonstrated that when listening to speech becomes difficult, various regions of the brain are recruited beyond those which engage during optimal listening conditions. However, the neural correlates that underly listening effort are not fully understood. Importantly, the pupillary response can be used to index listening effort, such that pupil size increases with increasing cognitive demand. I proposed that pupillometry can be used to characterize the cortical response, such that changes …
Post-Intensive Care Syndrome Prevention And Detection In Covid-19 Patients, Bethany Sloane Melega
Post-Intensive Care Syndrome Prevention And Detection In Covid-19 Patients, Bethany Sloane Melega
Student Scholar Showcase
COVID-19 has impacts on patient health beyond the hospital. The trauma that patients, and families of patients, can experience during an admission to an intensive care unit (ICU) can last long after discharge from the ICU and the hospital in general. The psychological and physical impacts of ICU hospitalization can cause patients to experience Post Intensive Care Syndrome (PICS). PICS is the culmination of symptoms that persist after a critical illness that involve all aspects of a patient’s physical and mental well-being and can significantly affect family life and increase recovery time. Due to the strict personal-protective equipment (PPE) usage …
Identifying Molecular Pathways Underlying Noise-Induced Tinnitus, Mckenzie Rice
Identifying Molecular Pathways Underlying Noise-Induced Tinnitus, Mckenzie Rice
Williams Honors College, Honors Research Projects
Tinnitus is a serious neurological condition effecting 10-15% of adults, and can lead to other symptoms such as difficulty concentrating and sleeping, anxiety, and depression. Currently there are no FDA approved drugs to prevent or treat tinnitus, mainly due to a lack of understanding of its cellular and molecular pathways. T- and L- type calcium channels have been implicated in the modulation of tinnitus, as well as the dysfunction of gamma-aminobutyric acid (GABA) neurons. This study used the sound-based avoidance detection (SBAD) method in order to detect tinnitus and determine whether pharmacological treatments had an effect in mediating tinnitus. T-type …
Audiovisual Integration During Novel Word Learning Among School-Aged Children With Cochlear Implants, Kristen Elizabeth Thompson Thornton
Audiovisual Integration During Novel Word Learning Among School-Aged Children With Cochlear Implants, Kristen Elizabeth Thompson Thornton
Theses and Dissertations (ETD)
Objective. It is well established that being able to see someone’s mouth move as they speak boosts speech perception for children with cochlear implants (CIs). Thus, children with CIs are often instructed to orient themselves toward the person they are listening to, to gain access to visual speech cues. Children with CIs who are better “audiovisual integrators,” or those who experience an auditory-visual (AV) enhancement effect (higher performance for AV information than auditory-alone (AO) or visual-alone (VO)), are more likely to have better speech and language outcomes after receiving their CI than children with poorer AV integration skills. While AV …
Assisting Children With Velocardiofacial Syndrome Who Have Developmental Disabilities And Delays Associated With Speech, Communication, And Education, Mckenzie K. Holty
Assisting Children With Velocardiofacial Syndrome Who Have Developmental Disabilities And Delays Associated With Speech, Communication, And Education, Mckenzie K. Holty
Honors Thesis
Children with velocardiofacial syndrome (VCFS) have a variety of complex needs. Research shows that VCFS is characterized by a combination of medical problems, developmental delays, and learning disabilities, which vary from child to child. This syndrome also puts adolescents at a higher risk for developing psychiatric and psychotic disorders. The complexity of symptoms that can arise from VCFS can influence the ability of these children to communicate, socialize, and learn effectively. This literature review aims to discuss literature for caregivers, educators, and physicians to aid children effectively and understand their challenges relating to speech, communication, and education. This topic is …
Spectrographic Analysis Of The Lombard Effect, Julia Saxon
Spectrographic Analysis Of The Lombard Effect, Julia Saxon
Williams Honors College, Honors Research Projects
In my honors project I will study the feasibility of using spectrographic analysis to measure the Lombard effect. The Lombard effect is a well-known phenomenon in which talkers reflexively increase the intensity of their voices in the presence of background noise. We hypothesize that other measurable features of speech will also change with vocal intensity consistent with what is shown in literature. However, the current authors will discuss findings in terms of its potential value as a test of pseudohypoacusis, also known as nonorganic or functional hearing loss. The author and a licensed audiologist will examine the /i/ and /u/ …
Taste Manipulation And Swallowing Mechanics In Trauma-Related Sensory-Based Dysphagia, Angela M. Dietsch, H. Duncan Dorris, William Pearson, Katie E. Dietrich-Burns, Nancy Pearl Solomon
Taste Manipulation And Swallowing Mechanics In Trauma-Related Sensory-Based Dysphagia, Angela M. Dietsch, H. Duncan Dorris, William Pearson, Katie E. Dietrich-Burns, Nancy Pearl Solomon
Department of Special Education and Communication Disorders: Faculty Publications
Purpose: This study explored the effects of highconcentration taste manipulation trials on swallow function in persons with sensory-based dysphagia.
Method: Dysphagia researchers partnered with clinical providers to prospectively identify traumatically injured U.S. military service members (N = 18) with sensorybased dysphagia as evidenced by delayed initiation and/or decreased awareness of residue/penetration/ aspiration. Under videofluoroscopy, participants swallowed trials of 3 custom-mixed taste stimuli: unflavored (40% weight/volume [wt/vol] barium sulfate in distilled water), sour (2.7%wt/vol citric acid in 40% wt/vol barium suspension), and sweet–sour (1.11% wt/vol citric acid plus 8% wt/vol sucrose in 40% wt/vol barium suspension). Trials were analyzed and compared …
Motor-Induced Suppression Of The N100 Event-Related Potential During Motor Imagery Control Of A Speech Synthesizer Brain–Computer Interface, Jonathan S. Brumberg, Kevin M. Pitt
Motor-Induced Suppression Of The N100 Event-Related Potential During Motor Imagery Control Of A Speech Synthesizer Brain–Computer Interface, Jonathan S. Brumberg, Kevin M. Pitt
Department of Special Education and Communication Disorders: Faculty Publications
Purpose: Speech motor control relies on neural processes for generating sensory expectations using an efference copy mechanism to maintain accurate productions. The N100 auditory event-related potential (ERP) has been identified as a possible neural marker of the efference copy with a reduced amplitude during active listening while speaking when compared to passive listening. This study investigates N100 suppression while controlling a motor imagery speech synthesizer brain–computer interface (BCI) with instantaneous auditory feedback to determine whether similar mechanisms are used for monitoring BCI-based speech output that may both support BCI learning through existing speech motor networks and be used as a …
Multi-Frequency Electrophysiological Estimates Of Auditory Temporal Acuity, Negar Ahzan
Multi-Frequency Electrophysiological Estimates Of Auditory Temporal Acuity, Negar Ahzan
Electronic Thesis and Dissertation Repository
Auditory temporal acuity, a listener’s ability to discriminate rapid changes in the envelope of an auditory signal over time, is crucial for understanding speech. Electrophysiological measurement of auditory temporal acuity is beneficial when we cannot achieve reliable behavioural responses. The envelope following response (EFR) evoked by a changing (swept) amplitude-modulated (AM) stimulus is significantly correlated with behavioural measures of temporal acuity in humans. Previous research using AM broadband noise carriers may have been affected by the cancellation of evoked potentials at the measurement electrodes due to out-of-phase interference of parallel responses initiated at different times due to cochlear travelling wave …
Aphasia & Stutter Therapy: An Ailment Not To Be Treated, Janae Nieto
Aphasia & Stutter Therapy: An Ailment Not To Be Treated, Janae Nieto
Honors Theses
This work demonstrates the history of two common speech and communication disorders: aphasia and stuttering. Once considered incurable diseases, these conditions have since generated rich rehabilitation practices and accompanying schools of thought. The first part of the thesis takes up adult aphasia, excluding cases involving speech and communication disorders due to other mental illnesses. The second half of this project conveys the history of stuttering. The majority of the modern cases analyzed in this thesis focus on developmental stuttering in children; although, different forms of stuttering are embedded in the progression of the therapy history. Each chapter includes a section …
A Rapid, Handheld Device To Assess Respiratory Resistance: Clinical And Normative Evidence, Aaron B. Holley, Wesley D. Boose, Michael Perkins, Karen L. Sheikh, Nancy P. Solomon, Angela M. Dietsch, Jafar Vossoughi, Arthur T. Johnson, Jacob F. Collen
A Rapid, Handheld Device To Assess Respiratory Resistance: Clinical And Normative Evidence, Aaron B. Holley, Wesley D. Boose, Michael Perkins, Karen L. Sheikh, Nancy P. Solomon, Angela M. Dietsch, Jafar Vossoughi, Arthur T. Johnson, Jacob F. Collen
Department of Special Education and Communication Disorders: Faculty Publications
Introduction: Following reports of respiratory symptoms among service members returning from deployment to South West Asia (SWA), an expert panel recommended pre-deployment spirometry be used to assess disease burden. Unfortunately, testing with spirometry is high cost and time-consuming. The airflow perturbation device (APD) is a handheld monitor that rapidly measures respiratory resistance (APD-Rr) and has promising but limited clinical data. Its speed and portability make it ideally suited for large volume pre-deployment screening. We conducted a pilot study to assess APD performance characteristics and develop normative values. Materials and Methods: We prospectively enrolled subjects and derived reference equations …
A Preliminary Study Of A Spanish Graphic Novella Targeting Hearing Loss Prevention, Mark Guiberson, Emily Wakefield
A Preliminary Study Of A Spanish Graphic Novella Targeting Hearing Loss Prevention, Mark Guiberson, Emily Wakefield
Department of Special Education and Communication Disorders: Faculty Publications
Purpose: This preliminary study developed a digital graphic novella targeting hearing protection beliefs of Spanish-speaking agricultural workers. Researchers used pretest–posttest interview surveys to establish if the novella had an immediate influence on the participants’ beliefs about noise-induced hearing loss and usage of hearing protection devices.
Method: Researchers developed a digital graphic novella directed to increase knowledge about noise-induced hearing loss and increase the proper use of hearing protection devices. The novella was tailored to meet the specific linguistic and literacy needs of Spanish-speaking agricultural workers. Thirty-one Spanish-speaking farmworkers of Mexican nationality participated. This study included an interview survey with specific …
Assessment With Children Who Need Augmentative And Alternative Communication (Aac): Clinical Decisions Of Aac Specialists., Shelley Lund, Quach Wendy, Kristy S.E. Weissling, Miechelle L. Mckelvey, Aimee R. Dietz
Assessment With Children Who Need Augmentative And Alternative Communication (Aac): Clinical Decisions Of Aac Specialists., Shelley Lund, Quach Wendy, Kristy S.E. Weissling, Miechelle L. Mckelvey, Aimee R. Dietz
Department of Special Education and Communication Disorders: Faculty Publications
Purpose The purpose of this study was to explore how speech-language pathologists (SLPs) who are augmentative and alternative communication (AAC) specialists approach the assessment process for 2 case studies, 1 child with cerebral palsy and 1 with autism spectrum disorder. The aim of the study was to answer the following questions: (a) How do clinicians with expertise approach the AAC assessment process for children with developmental disabilities? (b) Can any initial hypothesis be drawn about how SLPs approach the assessment of children with motor versus social interactive deficits?
Method This study used a phenomenological qualitative design. The researchers conducted 2 …
Assessment Protocol For Cognitive And Auditory Processing Skills For Clients Receiving Neurofeedback Treatment For Traumatic Brain Injury & Concussion: Literature Review, Elexea N. Aurilio, Miranda Hendrus
Assessment Protocol For Cognitive And Auditory Processing Skills For Clients Receiving Neurofeedback Treatment For Traumatic Brain Injury & Concussion: Literature Review, Elexea N. Aurilio, Miranda Hendrus
Williams Honors College, Honors Research Projects
Neurofeedback has become increasingly popular in the medical world and will hopefully become more commonly used in the fields of speech-language pathology and audiology. Currently, there is a lack of a singular, baseline and progression diagnostic tool to measure a client’s cognitive and auditory processing skills once they are referred for neurofeedback treatment.
Vocal Function Exercises For Normal Voice: With And Without Semi-Occlusion, Megan Suzanne Brown
Vocal Function Exercises For Normal Voice: With And Without Semi-Occlusion, Megan Suzanne Brown
Theses and Dissertations--Communication Sciences and Disorders
The primary purpose of this investigation was to explore the effects of varying degrees of vocal tract semi-occlusion in Vocal Function Exercises (VFEs) on attainment of pre- established maximum phonation time (MPT) goals in individuals between the ages of 18 and 45 with normal voice. Individuals were randomized into three experimental groups: the traditional VFE with a semi-occluded vocal tract (SOVT), modified /o/ with partial occlusion, and modified /a/ without significant occlusion. For six weeks, the participants completed the four exercises two times each, twice daily on corresponding vocal tract postures assigned by group. Results indicated significant change in percent …
Using Visual Scene Displays As Communication Support Options For People With Chronic, Severe Aphasia: A Summary Of Aac Research And Future Research Directions, David R. Beukelman, Karen Hux, Aimee R. Dietz, Miechelle L. Mckelvey, Kristy S.E. Weissling
Using Visual Scene Displays As Communication Support Options For People With Chronic, Severe Aphasia: A Summary Of Aac Research And Future Research Directions, David R. Beukelman, Karen Hux, Aimee R. Dietz, Miechelle L. Mckelvey, Kristy S.E. Weissling
Department of Special Education and Communication Disorders: Faculty Publications
Research about the effectiveness of communicative supports and advances in photographic technology has prompted changes in the way speech-language pathologists design and implement interventions for people with aphasia. The purpose of this paper is to describe the use of photographic images as a basis for developing communication supports for people with chronic aphasia secondary to sudden-onset events due to cerebrovascular accidents (strokes). Topics include the evolution of AAC-based supports as they relate to people with aphasia, the development and key features of visual scene displays (VSDs), and future directions concerning the incorporation of photographs into communication supports for people with …
Mapping The Spatial And Temporal Dynamics Of Sensorimotor Integration During The Perception And Performance Of Wallowing, Megan E. Cuellar
Mapping The Spatial And Temporal Dynamics Of Sensorimotor Integration During The Perception And Performance Of Wallowing, Megan E. Cuellar
Theses and Dissertations (ETD)
Similar to other complex sequences of muscle activity, swallowing relies heavily upon ‘sensorimotor integration.’ It is well known that the premotor cortex and primary sensorimotor cortices provide critical sensorimotor contributions that help control the strength and timing of swallowing muscle effectors. However, the temporal dynamics of sensorimotor integration remains unclear, even when performed normally without neurological compromise. Recent advances in EEG analysis blind source separation techniques via independent component analysis offer a novel and exciting opportunity to measure cortical sensorimotor activity in realtime during swallowing, concurrently with muscle activity during swallow initiation. In the current study, mu components were identified, …
The Impact Of Interface Design During An Initial High-Technology Aac Experience: A Collective Case Study Of People With Aphasia, Aimee R. Dietz, Kristy S.E. Weissling, Julie Griffith, Miechelle L. Mckelvey, Devan Macke
The Impact Of Interface Design During An Initial High-Technology Aac Experience: A Collective Case Study Of People With Aphasia, Aimee R. Dietz, Kristy S.E. Weissling, Julie Griffith, Miechelle L. Mckelvey, Devan Macke
Department of Special Education and Communication Disorders: Faculty Publications
The purpose of this collective case study was to describe the communication behaviors of five people with chronic aphasia when they retold personal narratives to an unfamiliar communication partner using four variants of a visual scene display (VSD) interface. The results revealed that spoken language comprised roughly 70% of expressive modality units; variable patterns of use for other modalities emerged. Although inconsistent across participants, several people with aphasia experienced no trouble sources during the retells using VSDs with personally relevant photographs and text boxes. Overall, participants perceived the personally relevant photographs and the text as helpful during the retells. These …
Supporting Narrative Retells For People With Aphasia Using Augmentative And Alternative Communication: Photographs Or Line Drawings? Text Or No Text?, Julie Griffith, Aimee R. Dietz, Kristy S.E. Weissling
Supporting Narrative Retells For People With Aphasia Using Augmentative And Alternative Communication: Photographs Or Line Drawings? Text Or No Text?, Julie Griffith, Aimee R. Dietz, Kristy S.E. Weissling
Department of Special Education and Communication Disorders: Faculty Publications
Purpose: The purpose of this study was to examine how the interface design of an augmentative and alternative communication (AAC) device influences the communication behaviors of people with aphasia during a narrative retell task.
Method: A case-series design was used. Four narratives were created on an AAC device with combinations of personally relevant (PR) photographs, line drawings (LDs), and text for each participant. The narrative retells were analyzed to describe the expressive modality units (EMUs) used, trouble sources experienced, and whether trouble sources were repaired. The researchers also explored the participants’ perceived helpfulness of the interface features.
Results: The participants …
Personalizing Aac For People With Aphasia: The Role Of Text And Pictures, Aimee R. Dietz, Kristy S.E. Weissling, Julie Griffith, Miechelle L. Mckelvey
Personalizing Aac For People With Aphasia: The Role Of Text And Pictures, Aimee R. Dietz, Kristy S.E. Weissling, Julie Griffith, Miechelle L. Mckelvey
Department of Special Education and Communication Disorders: Faculty Publications
Over time, and with intensive instruction, people with aphasia (PWAs) can learn to use grid-based, categorically organized, high-technology AAC layouts during structured tasks (e.g., Hough & Johnson, 2009). In an effort to reduce the training intensity required to teach PWAs to use AAC; researchers developed visual scene displays (VSDs), designed to complement the residual cognitive and linguistic abilities of PWAs by tapping their intact episodic memory. VSD interfaces incorporate personally relevant (PR) photos, text, and speech output (Dietz, McKelvey, & Beukelman, 2006; Weissling & Beukelman, 2006). VSDs appear to facilitate improved communication success (e.g., McKelvey, Dietz, Hux, Weissling, & Beukelman, …
Supporting Narrative Retells For People With Aphasia Using Aac: Photographs Or Line Drawings? Text Or No Text?, Julie Griffith, Aimee R. Dietz, Kristy S.E. Weissling
Supporting Narrative Retells For People With Aphasia Using Aac: Photographs Or Line Drawings? Text Or No Text?, Julie Griffith, Aimee R. Dietz, Kristy S.E. Weissling
Department of Special Education and Communication Disorders: Faculty Publications
People with aphasia (PWAs) have demonstrated the ability to learn augmentative and alternative communication (AAC) devices that employ traditional grid layouts to enhance their communication; however, the process is typically lengthy and yields limited generalization (Fox & Fried-Oken, 2001; Koul & Harding, 1998). In response, researchers have begun to investigate the use of visual scene displays (VSDs) to support the communication interactions of PWAs by capitalizing on their relatively intact episodic memory (Beukelman, Dietz, McKelvey, Hux, & Weissling, in press; Dietz, Beukelman, & McKelvey, 2006a; Dietz, McKelvey, Beukelman, Weissling, & Hux, 2006b; McKelvey, Dietz, Hux, Weissling, & Beukelman, 2007). High-technology …
Si Edna, Si Pakoy At Si Rosanna By Ramon Cf Cuervo Iii, Emmanuel Mario B. Santos Aka Marc Guerrero, Ramon Cf Cuervo Iii
Si Edna, Si Pakoy At Si Rosanna By Ramon Cf Cuervo Iii, Emmanuel Mario B. Santos Aka Marc Guerrero, Ramon Cf Cuervo Iii
Emmanuel Mario B Santos aka Marc Guerrero
Socalled normal ‘zombie’ life of non-PWDs in our own neighborhoods will pale in comparison to these abilities of our (Marco Sison, may we borrow the title of your monster hit song of yesteryears?) Si Aida, Si Lorna at Si Fe PWDs – put to proactive work and living
Effect Of Occlusion, Directionality And Age On Horizontal Localization, Lynzee Nicole Alworth
Effect Of Occlusion, Directionality And Age On Horizontal Localization, Lynzee Nicole Alworth
Theses and Dissertations (ETD)
Localization acuity of a given listener is dependent upon the ability discriminate between interaural time and level disparities. Interaural time differences are encoded by low frequency information whereas interaural level differences are encoded by high frequency information. Much research has examined effects of hearing aid microphone technologies and occlusion separately and prior studies have not evaluated age as a factor in localization acuity. Open-fit hearing instruments provide new earmold technologies and varying microphone capabilities; however, these instruments have yet to be evaluated with regard to horizontal localization acuity.
Thus, the purpose of this study is to examine the effects of …
Feasibility Of Group Voice Therapy For Individuals With Parkinson’S Disease, Jeff Searl, Kristel Wilson, Karen Haring, Angela M. Dietsch, Kelly E. Lyons, Rajesh Pahwa
Feasibility Of Group Voice Therapy For Individuals With Parkinson’S Disease, Jeff Searl, Kristel Wilson, Karen Haring, Angela M. Dietsch, Kelly E. Lyons, Rajesh Pahwa
Department of Special Education and Communication Disorders: Faculty Publications
Purpose: The primary purpose was to demonstrate the feasibility of executing treatment tasks focused on increasing loudness in a group format for individuals with Parkinson’s disease (PD). A second purpose was to report preliminary pre-to-post treatment outcomes for individuals with PD immediately after they complete the group program. Methods: The group intervention is described. Fifteen adults with PD who participated in the group and three clinicians leading the group provided feedback about the execution of the intervention. The participants also provided voice samples and self-ratings of voice handicap once before completing the 8-week voice group and once immediately after completing …
Tracking The Time To Recovery After Induced Loudness Reduction (L), Yoav Arieh, Karen Kelly, Lawrence E. Marks
Tracking The Time To Recovery After Induced Loudness Reduction (L), Yoav Arieh, Karen Kelly, Lawrence E. Marks
Department of Psychology Faculty Scholarship and Creative Works
In induced loudness reduction (ILR), a strong tone causes the loudness of a subsequently presented weak tone to decrease. The aim of the experiment was to determine the time required for loudness to return to its initial level after ILR. Twenty-four subjects were exposed to 5, 10, 20, or 40 brief bursts of 2500-Hz pure tones at 80-dB SPL (inducers) and then tested in a series of paired comparison trials. Subjects compared the loudness of a weak target (2500 Hz at 60-dB SPL) to the loudness of a comparison tone at 500 Hz previously judged to match the target. The …
Rehabilitation Of The Deafened, Leslie D. Trott
Rehabilitation Of The Deafened, Leslie D. Trott
Medical Arts and Sciences: A Scientific Journal of the College of Medical Evangelists
No abstract provided.