Journal of the American Academy of Audiology最新文献

{"title":"Development of a Visual Faces Scale for Adults with Hearing Loss: The Facial Scale of Hearing Difficulty.","authors":"Laura Gaeta","doi":"10.3766/jaaa.250043","DOIUrl":"10.3766/jaaa.250043","url":null,"abstract":"<p><strong>Background: </strong>In busy clinics, audiologists can benefit from brief, patient-centered tools to identify those with hearing difficulties. Pure-tone and speech audiometry measures, as well as self-report measures, require time and significant patient engagement. Visual analog scales have been used in health care as an accessible and simple way to understand patients' multifaceted experiences.</p><p><strong>Purpose: </strong>To develop and test a brief, facial-based visual instrument, the Facial Scale for Hearing Difficulty (FSHD), that could provide a clinically useful complement to traditional diagnostic testing.</p><p><strong>Research design: </strong>Correlational.</p><p><strong>Study sample: </strong>Twenty-three adults with hearing profiles ranging from normal hearing (defined as -10 to <25 dB HL) to profound hearing loss.</p><p><strong>Intervention: </strong>The FSHD is a single-item, face-based visual analog scale that features five expressive faces ranging from 1 (no difficulty) to 5 (extreme difficulty).</p><p><strong>Data collection and analysis: </strong>Participants were asked to select the face from the FSHD that best represents their difficulty hearing. Participants also completed pure-tone audiometry, the Quick Speech-in-Noise test (QuickSIN), and a hearing handicap measure.</p><p><strong>Results: </strong>The FSHD had very strong, positive correlations with hearing handicap scores (ρ = 0.803, p < 0.001), pure-tone averages (ρ = 0.753, p < 0.001 for the better ear; ρ = 0.635, p = 0.001 for the worse ear), and QuickSIN (ρ = 0.567, p = 0.005).</p><p><strong>Conclusions: </strong>The FSHD is a quick instrument that can be administered in less than 1 minute and provides insight into patient difficulties with hearing. Given the strong associations with established clinical measures, the scale could be used as a point-of-entry tool for patient-centered care.</p><p><strong>Clinical relevance statement: </strong>The FSHD can help support clinical decision-making by helping to quickly identify patients who could benefit from further assessment, counseling, or aural rehabilitation. Because the instrument does not rely on technical language, literacy, or lengthy questionnaires, it could be well suited for inclusive service delivery in private or public practice, across diverse populations, or in under-resourced or fast-paced clinical settings.</p>","PeriodicalId":50021,"journal":{"name":"Journal of the American Academy of Audiology","volume":"37 3","pages":"235-242"},"PeriodicalIF":1.4,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13327964/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148392241","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Psychometric Rigor Before Clinical or Research Implementation.","authors":"Erin G Piker","doi":"10.3766/jaaa.37.2","DOIUrl":"10.3766/jaaa.37.2","url":null,"abstract":"","PeriodicalId":50021,"journal":{"name":"Journal of the American Academy of Audiology","volume":"37 2","pages":"79"},"PeriodicalIF":1.4,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13138004/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147845546","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Evidence Synthesis and Open Science: A Tutorial for Systematic Reviews and Beyond in Audiology Research.","authors":"Rachel Keiko Stark, Laura Gaeta","doi":"10.3766/jaaa.250020","DOIUrl":"10.3766/jaaa.250020","url":null,"abstract":"<p><strong>Background: </strong>Evidence synthesis refers to a reproducible literature review that addresses a structured research question with a critical analysis of the results from a comprehensive literature search such as what is seen in systematic reviews, scoping reviews, and meta-analyses. Evidence synthesis publications have become more common, but their quality has not increased. However, with an increased understanding of how to produce a high-quality evidence synthesis, this issue can be addressed. Adherence to the open science principles of transparency, collaboration, reproducibility, and accessibility can help increase the quality of evidence synthesis.</p><p><strong>Purpose: </strong>This tutorial provides step-by-step instructions regarding how to produce a high-quality evidence synthesis project following best practices for evidence synthesis and open science principles.</p><p><strong>Research design: </strong>Tutorial.</p><p><strong>Data collection and analysis: </strong>This tutorial is a step-by-step guide of how to apply current evidence synthesis standards to knowledge synthesis projects that will contribute to audiology research. Information regarding open access and how the principles of open science contribute to the quality and reproducibility of evidence synthesis is provided.</p><p><strong>Results: </strong>Widely applicable steps for high-quality evidence synthesis research are presented with information about how open science principles can be applied to the evidence synthesis process.</p><p><strong>Conclusions: </strong>By incorporating open science principles in the production of evidence synthesis, published research will be of higher quality and improve access to critical information for evidence-based practice. Professionals can produce high-quality research by understanding the appropriate steps for an evidence synthesis project, choosing the appropriate method for a structured research question, and utilizing the recognized international standards for the production of systematic reviews and other types of evidence synthesis.</p><p><strong>Clinical relevance statement: </strong>This tutorial introduces readers to evidence synthesis with step-by-step guidance and resources for clinician and researcher teams to create high-quality research while following best practices for evidence synthesis.</p>","PeriodicalId":50021,"journal":{"name":"Journal of the American Academy of Audiology","volume":"37 2","pages":"144-152"},"PeriodicalIF":1.4,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13105853/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147787613","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Differentiating Superior and Inferior Vestibular Neuritis: Insights from an Integrated VEMP and vHIT Assessment.","authors":"Sejal Somani, Sharda Sarda","doi":"10.3766/jaaa.250027","DOIUrl":"10.3766/jaaa.250027","url":null,"abstract":"<p><strong>Background: </strong>Vestibular neuritis (VN) is a peripheral vestibular disorder commonly associated with viral infections or vascular insults and may affect either the superior or inferior division of the vestibular nerve. Diagnosis is based on case history and clinical vestibular assessments, including cervical (cVEMP) and ocular (oVEMP) vestibular evoked myogenic potentials (VEMPs). The video head impulse test (vHIT) is a recent advancement that enables canal-specific assessment of the vestibulo-ocular reflex (VOR), aiding in identifying nerve involvement.</p><p><strong>Purpose: </strong>This study aimed to compare and correlate vestibular profiles of superior VN (SVN) and inferior VN (IVN) using vHIT-derived parameters (VOR gain and corrective saccades) and VEMPs, and to explore VEMP tuning shift characteristics in patients with VN.</p><p><strong>Research design: </strong>A prospective case review was conducted using purposive sampling of patients diagnosed with VN.</p><p><strong>Study sample: </strong>Eighteen patients with VN (SVN: n = 10; IVN: n = 8) were evaluated through case history, pure-tone audiometry, cVEMP, oVEMP, and vHIT. SVN was defined by abnormal oVEMPs with preserved cVEMPs and IVN by reduced or absent cVEMPs with preserved oVEMPs.</p><p><strong>Intervention: </strong>No therapeutic intervention was administered; only diagnostic assessments were conducted.</p><p><strong>Data collection and analysis: </strong>VEMP responses at 500 and 1000 Hz were analyzed for tuning shifts. vHIT parameters included VOR gain and corrective saccades across semicircular canals. Mann-Whitney tests compared VOR gain, corrective saccades, and tuning shifts between groups. Spearman correlation assessed associations between VEMP and vHIT parameters.</p><p><strong>Results: </strong>No significant difference in VOR gain was found between SVN and IVN groups (p > 0.05). However, SVN patients exhibited significantly more corrective saccades in the lateral canal (p < 0.05). Tuning shifts were more frequent in IVN (50 percent), suggesting altered saccular frequency sensitivity. Significant correlations were found between saccadic metrics and VEMP amplitudes.</p><p><strong>Conclusions: </strong>Combined analysis of vHIT and VEMP, particularly including corrective saccade and tuning shift parameters, enhances the diagnostic precision in differentiating SVN from IVN.</p><p><strong>Clinical relevance statement: </strong>These findings support incorporating advanced vestibular tests, vHIT (VOR gain, corrective saccades), and VEMP (cVEMP, oVEMP) into routine clinical protocols to improve differential diagnosis, monitor vestibular integrity, and guide individualized management in patients with VN.</p>","PeriodicalId":50021,"journal":{"name":"Journal of the American Academy of Audiology","volume":"37 2","pages":"116-124"},"PeriodicalIF":1.4,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13105855/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147787597","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"American Academy of Audiology Health-Related Quality of Life Benefits of Amplification for Adults with Sensorineural Hearing Loss: A Systematic Review Protocol.","authors":"Carole E Johnson, Anna Marie Jilla, Lindsey Jorgensen, Magudilu Srishyla Kumar Lakshmi, M Samantha Lewis, Jin Hyung Park, J Connor Sullivan, Emily Gonzalez, Elizabeth Sanders","doi":"10.3766/jaaa.250302","DOIUrl":"10.3766/jaaa.250302","url":null,"abstract":"<p><strong>Background: </strong>This protocol outlines a systematic review with meta-analysis to evaluate the evidence that hearing aid use versus non-use enhances the health-related quality of life (HRQoL) of adults with sensorineural hearing loss (SNHL).</p><p><strong>Purpose: </strong>The study has three aims: (1) to provide a graded recommendation regarding hearing aid use and its impact on HRQoL in adults with SNHL; (2) to assess the effects of hearing aid use on mental health, cognition, and balance within this group; and (3) to examine, through subgroup analyses, whether outcomes are influenced by variables such as patient age, degree of hearing loss, sex, amplification type, duration since fitting, or verification method.</p><p><strong>Methods and analysis: </strong>Participants will be adults over 18 years with mild to profound SNHL. Only those living independently or in assisted living facilities will be included. Excluded are individuals in acute care, or living in skilled nursing facilities, or who are incarcerated.Amplification options include the following: hearing aid styles (behind the ear, in the ear, etc.), power sources (battery, rechargeable, solar), signal processing (analog or digital), microphone type (omnidirectional or directional), fitting (monaural or binaural), service delivery (audiologist fit or direct to consumer), and payment type (self-pay or free).The following databases will be searched: CINAHL (via EBSCOhost), Cochrane Library, EMBASE (via Ovid SP), MEDLINE (via Ovid SP), PubMed, Scopus, Citations Indexes of Web of Science, ISRCTN Registry, ClinicalTrials.gov, and WHO International Clinical Trials Registry Platform.The Covidence online platform will be utilized for evidence synthesis, which will include the selection of studies, quality assessment (using Cochrane's Revised Risk-of-Bias Tool for Randomized Trials [RoB 2]), and data extraction for the meta-analyses.</p><p><strong>Ethics and dissemination: </strong>No ethical issues are expected. Systematic reviews do not require Institutional Review Board (IRB) approval because data for meta-analyses are available to the public and included studies have already gone through an IRB review. The protocol and findings of the systematic review will be presented at professional meetings and published in scientific journals.</p>","PeriodicalId":50021,"journal":{"name":"Journal of the American Academy of Audiology","volume":"37 2","pages":"153-163"},"PeriodicalIF":1.4,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13105854/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147787626","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Types of Evidence Synthesis Beyond Systematic Reviews in Evidence-Based Practice Publications in Audiology Research: A Tutorial.","authors":"Laura Gaeta, Rachel Keiko Stark","doi":"10.3766/jaaa.250019","DOIUrl":"10.3766/jaaa.250019","url":null,"abstract":"<p><strong>Background: </strong>Evidence synthesis refers to structured literature reviews that follow established guidelines and are reproducible, such as systematic reviews, scoping reviews, and meta-analyses. The methodological expectations for evidence synthesis, and especially systematic reviews, have evolved and become more rigorous.</p><p><strong>Purpose: </strong>This tutorial will provide information about new and emerging types of evidence synthesis, as well as an introduction to the updated standards for systematic reviews and meta-analysis.</p><p><strong>Research design: </strong>Tutorial.</p><p><strong>Data collection and analysis: </strong>This paper gives a brief history of evidence synthesis, along with an overview of the current literature on best methods for various types of evidence synthesis appropriate for audiology research. A detailed description of current standards and methods in evidence synthesis is provided, as well as published examples of the various types of evidence synthesis research in audiology.</p><p><strong>Results: </strong>Evidence synthesis methods are presented, along with information about the process and steps for choosing the most appropriate method based on research needs. The expectations and benefits of the different types of methodology are introduced.</p><p><strong>Conclusions: </strong>Although systematic reviews are highly recognized and used within the field, the quality of systematic reviews can vary greatly. Understanding the different types of evidence synthesis methodologies, deciding how to choose the appropriate method for the research question, and reviewing the recognized international standards for systematic reviews will enable professionals to produce higher-quality research that can be used to guide clinical practice.</p><p><strong>Clinical relevance statement: </strong>Given the contributions of evidence synthesis to evidence-based practice (e.g., clinical practice guidelines, systematic reviews, position statements, etc.), this tutorial provides readers with guidance and resources for clinician and/or researcher teams to begin an evidence synthesis project that follows best practices. It also serves as an introduction for those seeking more information on evidence synthesis best practices and methods.</p>","PeriodicalId":50021,"journal":{"name":"Journal of the American Academy of Audiology","volume":"37 2","pages":"135-143"},"PeriodicalIF":1.4,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13105852/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147787720","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Feasibility in Recording Vestibular Evoked Myogenic Potentials from the Gastrocnemius Muscles Using Acoustic Stimulation.","authors":"Raghav H Jha, Erin G Piker, Jesus D Gomez","doi":"10.3766/jaaa.250009","DOIUrl":"10.3766/jaaa.250009","url":null,"abstract":"<p><strong>Background: </strong>Vestibulo-spinal reflexes (VSR) contribute to postural control from the neck to the lower extremities. The cervical vestibular evoked myogenic potential (cVEMP), recorded from neck muscles, assesses the upper VSR and is used in research and clinical settings. However, no clinical tools evaluate the full length of the VSR. Although lower-limb VEMP recordings show potential, previous studies have yielded inconsistent results.</p><p><strong>Purpose: </strong>This study examines the feasibility of recording a VEMP from the gastrocnemius muscle using acoustic stimulation.</p><p><strong>Research design: </strong>Feasibility study using single group cross-section research design.</p><p><strong>Study sample: </strong>Thirteen healthy participants aged 20-26 years, all with present cVEMP responses.</p><p><strong>Data collection and analysis: </strong>Participants underwent gastrocnemius VEMP recordings using stimuli, recording parameters, and electrode placements from previous studies. The stimuli included air-conduction clicks and 500-Hz tone bursts (132 dB peak SPL), as well as bone-conduction 500-Hz tone bursts (125 dB peak FL). Participants activated the gastrocnemius by leaning forward onto their toes, and recordings were obtained from both the ipsilateral and contralateral gastrocnemius muscles.</p><p><strong>Results: </strong>Replicable gastrocnemius VEMPs were observed in only two participants, even though all exhibited robust cVEMPs. In these two participants, responses showed N1P1 and N2P2 peaks between 55 and 105 milliseconds. The amplitude decreased with lower electromyography contraction, but the wave morphology remained unaffected by head turn or eye closure. Some participants found the stimuli loud and uncomfortable and reported fatigue from prolonged toe-standing.</p><p><strong>Conclusions: </strong>The response rates for gastrocnemius VEMPs are low. The findings suggest gastrocnemius VEMPs are observed in few individuals when using 132 dB peak SPL acoustic stimulation. The same stimulus and recording protocols are ineffective for most young, healthy individuals with present cVEMPs. A more intense stimulus may be needed to elicit gastrocnemius VEMPs; however, this approach is limited by potential hearing risks.</p><p><strong>Clinical relevance statement: </strong>Recording vestibular spinal reflexes from lower limb muscles using acoustic stimulation appears clinically unfeasible. Alternative methods, such as galvanic stimulation, should be explored for assessing vestibulo-spinal function in the lower extremities.</p>","PeriodicalId":50021,"journal":{"name":"Journal of the American Academy of Audiology","volume":"37 2","pages":"125-134"},"PeriodicalIF":1.4,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13105857/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147787629","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"State and Trait Anxiety Alter Postural Control in Healthy Adults.","authors":"Ashley Zaleski-King, Nkechi Nwagbara, Robin Pinto, Jacob Lefler, Douglas Brungart","doi":"10.3766/jaaa.250008","DOIUrl":"10.3766/jaaa.250008","url":null,"abstract":"<p><strong>Background: </strong>Both anxiety and visual motion sensitivity are known to influence sensory integration and balance control. The State Trait Anxiety Inventory includes subscales that assess distinct aspects of anxiety, which may be worthwhile to measure given they are mapped differently in the brain and may have different functional implications.</p><p><strong>Purpose: </strong>This study aimed to clarify the role state and trait anxiety may play in postural control when measured in degraded sensory environments. Specifically, we studied the degree to which state anxiety may influence the effect of visual and somatosensory manipulations on postural control in a healthy adult cohort.</p><p><strong>Research design: </strong>This is a prospective repeated-measures design.</p><p><strong>Study sample: </strong>Twenty-six healthy adults denying the presence of hearing or balance deficits.</p><p><strong>Data collection and analysis: </strong>Postural control was measured on variable support surfaces and in dynamic and static virtual visual environments. Trait anxiety was measured prior to testing, and state anxiety was measured during postural control testing using the State Trait Anxiety Inventory. Trait anxiety score was used as a between-subjects factor and state anxiety score was used as a covariate.</p><p><strong>Results: </strong>There was a significant main effect of visual condition and a significant interaction between visual condition and support surface. The effect of the visual manipulations varied based on support surface after adjusting for state anxiety level.</p><p><strong>Conclusions: </strong>The influence of visual manipulation on postural control varied with the support surface type and the degree of state anxiety. The data imply that individuals with higher state anxiety may adopt strategies for postural control that are different from those of others with minimal anxiety overlay. Further, the effects of anxiety on postural control may vary based on sensory context, as well as individual traits unassociated with context. In healthy adults anxiety might not only amplify symptoms but also alter how sensory information is processed and interpreted.</p><p><strong>Clinical relevance statement: </strong>This study demonstrates that varying degrees of state anxiety may affect postural control differently in degraded sensory environments. The findings suggest that integrating anxiety metrics into vestibular evaluations may provide insight into the functional outcomes related to visual motion sensitivity.</p>","PeriodicalId":50021,"journal":{"name":"Journal of the American Academy of Audiology","volume":"37 2","pages":"80-89"},"PeriodicalIF":1.4,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13105858/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147787578","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Test-Retest Reliability of the Triangle Completion Test.","authors":"Nathan Gabriel Sattah, Erin E Hernon, Courtney D Hall, Erin G Piker, Kristal Riska","doi":"10.3766/jaaa.250055","DOIUrl":"10.3766/jaaa.250055","url":null,"abstract":"<p><strong>Background: </strong>The triangle completion test (TCT) is a clinical measure of spatial navigation that has been associated with vestibular function. There are limited data on its statistical reliability.</p><p><strong>Purpose: </strong>This study aimed to assess the test-retest reliability of the TCT.</p><p><strong>Research design: </strong>Test-retest study of prospectively recruited participants.</p><p><strong>Study sample: </strong>Participants aged 60 years or older with no falls within the last 12 months and no history of vestibular dysfunction were recruited. Twenty participants were included, with a mean (standard deviation) age of 69.2 (6.25) years. Participants were equally divided among male and female participants (50.0 percent) and were predominantly White (80.0 percent).</p><p><strong>Intervention: </strong>Patients walked right triangles with leg lengths 1 meter (m) by 2 m by 2.23 m. Participants walked four triangles in the test trial (Trial One) and four triangles in the retest trial (Trial Two) without visual or auditory cues.</p><p><strong>Data collection and analysis: </strong>Endpoint error and angular deviation were measured for each triangle. Participants were retested three hours later. Test-retest reliability was assessed using intraclass correlation coefficients (ICC) and absolute reliability was assessed using the minimal detectable change (MDC).</p><p><strong>Results: </strong>In Trial One, participants had a mean endpoint error of 80.5 (53.4) centimeters (cm) and a mean angular deviation of 12.5 (4.82) degrees. In Trial Two, participants had a mean endpoint error of 64.4 (23.6) cm and a mean angular deviation of 14.4 (6.91) degrees. Endpoint error had poor reliability (ICC 0.05, 95 percent confidence interval [CI]: -1.41, 0.62), whereas angular deviation had fair reliability (ICC 0.72, 95 percent CI: 0.28, 0.89). The endpoint error had an MDC of 144.7 cm, and the angular deviation had an MDC of 7.13 degrees.</p><p><strong>Conclusions: </strong>TCT angular deviation shows promise for good reliability, whereas endpoint error showed poor reliability. Further refinements to the TCT are needed to improve clinical feasibility and reliability.</p><p><strong>Clinical relevance statement: </strong>These results call into question the feasibility and reliability of the TCT and highlight the need for protocol standardization and optimization.</p>","PeriodicalId":50021,"journal":{"name":"Journal of the American Academy of Audiology","volume":"37 2","pages":"108-115"},"PeriodicalIF":1.4,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13105856/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147787680","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Comparison of Auditory Brainstem Responses Recorded from Three Different Clinical Systems.","authors":"Jennifer Chapman, Tyler Weaver, Sangamanatha Ankmnal Veeranna, Charles Marx","doi":"10.3766/jaaa.240130","DOIUrl":"10.3766/jaaa.240130","url":null,"abstract":"<p><strong>Background: </strong>The auditory brainstem response (ABR) test is used to estimate hearing thresholds and for neurodiagnostic purposes. ABRs can be recorded for traditional stimuli such as broadband clicks and frequency-specific tone bursts (0.5, 1, 2, and 4 kHz). Recently, chirp stimuli (broadband and narrowband chirps [0.5, 1, 2, and 4 kHz]) have been recommended to be used to record ABRs.</p><p><strong>Purpose: </strong>There is a lack of comparative studies of ABR latency, amplitude, and thresholds obtained from these systems for both traditional and chirp stimuli.</p><p><strong>Research design: </strong>Repeated measure design.</p><p><strong>Study sample: </strong>Fifteen adults whose hearing thresholds were ≤25 dB HL participated in this study.</p><p><strong>Data collection and analysis: </strong>The Interacoustics Eclipse-25 (EP-25), the Intelligent Hearing System (IHS), and the Vivosonic Integrity V500 systems were used. Peak-to-peak voltage was examined for traditional and chirp stimuli across all three systems. Behavioral and ABR thresholds were obtained for all stimuli. Also, peak V latencies and peak-to-peak amplitudes for all stimuli recorded at 80 dBnHL were examined.</p><p><strong>Results: </strong>Peak-to-peak voltage differed between systems, especially for chirp stimuli. The EP-25 and the IHS systems showed significantly lower behavioral thresholds for some chirp stimuli compared with traditional, comparable stimuli, whereas the Integrity V500 system showed significantly lower behavioral thresholds for broadband click and 4-kHz tone burst stimuli compared with comparable chirp stimuli. Significant differences in behavioral thresholds between systems were observed. The EP-25 (broadband chirp, 1-, 2-, and 4-kHz narrowband chirp) and the IHS (2-kHz narrowband chirp) showed significantly lower ABR thresholds for comparable stimuli, whereas the Integrity V500 system showed lower ABR thresholds for broadband click and 0.5-kHz tone burst stimuli compared with comparable chirp stimuli. ABR thresholds for 2-kHz tone burst and 0.5- and 2-kHz narrowband chirp stimuli were significantly different between systems. The peak V latencies of the IHS system were significantly longer for most of the stimuli compared with other systems. The Integrity V500 system showed significantly lower peak-to-peak amplitudes of peak V for most of the stimuli when compared with other systems.</p><p><strong>Conclusions: </strong>The ABR latencies, amplitudes, and thresholds may differ between ABR recording systems, and clinicians should be aware of these differences to avoid misdiagnosis.</p><p><strong>Clinical relevance statement: </strong>The differences in ABR latencies, amplitudes, and thresholds between systems may lead to inconsistencies in diagnostic accuracy. Audiologists should use system-specific normative data.</p>","PeriodicalId":50021,"journal":{"name":"Journal of the American Academy of Audiology","volume":"37 2","pages":"90-107"},"PeriodicalIF":1.4,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13100346/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148972162","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}