Journal of Vestibular Research-Equilibrium & Orientation最新文献

{"title":"Dizziness and its effect on health-related quality of life (DRQOL).","authors":"Devin L McCaslin, Batoul Berri, Jennifer A Miner, Christopher M Graves, Katie L Gialloreti, Madison Fansher, Kevin A Kerber, Meredith E Adams, Noelle E Carlozzi","doi":"10.1177/09574271251392050","DOIUrl":"10.1177/09574271251392050","url":null,"abstract":"<p><p>Dizziness significantly impairs health-related quality of life, yet its specific impact remains underexplored. Gaining insight into this relationship is essential for providing optimal care. Thus, this study aimed to explore the impact of dizziness-related quality of life (DRQOL) and develop a conceptual framework to inform patient-centered care. Participants with documented complaints of dizziness, vertigo, or unsteadiness were identified via medical record review. Those with severe medical illness or disability were excluded. 30 adults (12 males and 18 females), diagnosed with vestibular (n = 10), neurological (n = 10), or nonspecific-related dizziness (n = 10) were recruited. Semi-structured interviews were conducted using Zoom to examine the effects of dizziness on daily life. Interviews were transcribed, de-identified, and analyzed using thematic content analysis. Findings revealed that dizziness and imbalance affect multiple domains, including physical health (functioning, symptoms, and vision), social health (impact and support), cognitive health, and mental health (both positive and negative). These impacts were consistent across all diagnostic subgroups. Despite challenges, many participants reported adaptive responses, including coping strategies and resilience. The study highlights the broad and debilitating effects of dizziness, while also recognizing the role of positive outcomes.</p>","PeriodicalId":49960,"journal":{"name":"Journal of Vestibular Research-Equilibrium & Orientation","volume":" ","pages":"207-219"},"PeriodicalIF":3.3,"publicationDate":"2026-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145369270","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Cross-cultural adaptation, validity, and reliability study of the Chinese version of the vestibular activities avoidance Instrument-9.","authors":"Xu Sun, Yiru Wang, Linghua Wang, Xiaoyi Liu, Ziwei Tong, Xiaoqing Ren, Xiao An, Yu Xia, Zhicong Zhou, Hong Wang","doi":"10.1177/09574271261465716","DOIUrl":"https://doi.org/10.1177/09574271261465716","url":null,"abstract":"<p><p>BackgroundPatients with vestibular disorders frequently avoid specific environments and activities due to the fear of dizziness episodes. However, this fear avoidance belief and behavior may inhibit the compensatory mechanisms of the vestibular system, thereby impacting the rehabilitation process. The Vestibular Activities Avoidance Instrument-9 (VAAI-9) is a 9-item tool specifically designed to identify and measure the fear avoidance beliefs and behaviors associated with vestibular disorders.ObjectiveTo translate and culturally adapt the VAAI-9 into Chinese and to investigate its reliability and validity of the Chinese Version.MethodsThe Brislin translation model was strictly followed to conduct cross-cultural adaptation of the VAAI-9, which included translation, back translation, expert consultation, and preliminary investigation, ultimately resulting in the Chinese version of the VAAI-9 (VAAI-9-C). A total of 330 Chinese-speaking patients with dizziness or vestibular disorders were recruited through convenience sampling, and they were asked to complete the baseline questionnaire and the VAAI-9-C. The reliability of the instrument was evaluated through item analysis, internal consistency was measured by Cronbach's alpha, and test-retest reliability was assessed by the intraclass correlation coefficient (ICC) and the minimal detectable change (MDC₉₅). Content validity was determined by expert evaluation results, including the item-level content validity index (I-CVI) and scale-level content validity index (S-CVI). Structural validity was assessed through exploratory factor analysis (EFA) and confirmatory factor analysis (CFA).ResultsDuring the cross-cultural adaptation process, minor revisions were made to the content expression to ensure semantic equivalence. The correlation coefficients between each item and the total score of VAAI-9-C ranged from 0.745 to 0.794. Cronbach's alpha was 0.911 and ICC was 0.886 for the VAAI-9-C total scale. The MDC₉₅ was 8.78 points. The I-CVI for each item of the VAAI-9-C ranged from 0.9 to 1.0, and the S-CVI was 0.98. Exploratory factor analysis revealed three common factors and explained 88% of the total variance. Confirmatory factor analysis indicated that χ²/df = 1.317, incremental fit index (IFI) = 0.995, Tucker-Lewis index (TLI) = 0.992, comparative fit index (CFI) = 0.995, root mean square error of approximation (RMSEA) = 0.038, and standardized root mean square residual (SRMR) = 0.024, demonstrating a good model fit.ConclusionsThe VAAI-9-C demonstrates strong reliability and validity, making it an effective tool for evaluating fear avoidance beliefs and behaviors in the Chinese-speaking population with dizziness.</p>","PeriodicalId":49960,"journal":{"name":"Journal of Vestibular Research-Equilibrium & Orientation","volume":" ","pages":"9574271261465716"},"PeriodicalIF":1.2,"publicationDate":"2026-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148340883","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Motion sickness induced by periodic accelerations: Effects of motion axis, frequency, and acceleration magnitude.","authors":"Jan L Souman, Jelte E Bos, Cyriel Diels, Suzanne A E Nooij","doi":"10.1177/09574271261446596","DOIUrl":"https://doi.org/10.1177/09574271261446596","url":null,"abstract":"<p><p>BackgroundCarsickness is a potential barrier to the acceptance of automated driving as it turns drivers into passengers, thus making them more susceptible to motion sickness. However, most of our current knowledge of how vehicle motion causes motion sickness comes from seasickness studies, using vertical motion only. Some more recent studies have investigated the relationship between horizontal accelerations and motion sickness, but with inconsistent methodology and sometimes conflicting results.ObjectiveTo quantify the effects of acceleration frequency and magnitude for periodic accelerations along the longitudinal, lateral, and vertical axes in a large sample of participants, using consistent methodology throughout.MethodsIn three separate experiments, in total 107 participants were exposed to sinusoidal accelerations along either the longitudinal, lateral or vertical axis with different combinations of motion frequency and peak acceleration. Motion frequency was varied between 0.03 and 3.2 Hz, with peak acceleration ranging from 0.5 to 4.0 m/s². Motion sickness was measured during motion exposure using the Motion Illness Symptoms Classification (MISC) scale, while the Simulator Sickness Questionnaire (SSQ) and a visual analogue Discomfort scale were administered after each motion exposure.ResultsMotion sickness severity due to motion exposure was similar for the three motion axes. All three outcome measures showed a clear motion frequency dependency, with motion sickness in general most severe for frequencies around 0.2 Hz. However, significant motion sickness symptoms were observed for the entire frequency range tested. The frequency dependency was less clear for lateral motion than for longitudinal and vertical motion. Higher accelerations led to more severe motion sickness, with the rate of increase decreasing when accelerations became higher.ConclusionsOur results show that motion sickness due to periodic linear accelerations occurs along all three cardinal axes and that it depends on motion frequency. This frequency dependency was less clear for lateral motion than for longitudinal and vertical motion. Our results have important implications for both predictive models of motion sickness as well as for applications in automated vehicles.</p>","PeriodicalId":49960,"journal":{"name":"Journal of Vestibular Research-Equilibrium & Orientation","volume":" ","pages":"9574271261446596"},"PeriodicalIF":3.3,"publicationDate":"2026-06-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148158951","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Mouse models and translational research progress of hereditary vestibular dysfunction.","authors":"Nannan Si, Ling Jin, Wei Chang, Fengli Cheng, Changqing Zhao, Limin Suo","doi":"10.1177/09574271261453788","DOIUrl":"https://doi.org/10.1177/09574271261453788","url":null,"abstract":"&lt;p&gt;&lt;p&gt;BackgroundHereditary vestibular dysfunctions (HVDs) are a group of diseases caused by genetic mutations, characterized by congenital or progressive vestibular dysfunction, often accompanied by hearing loss or other systemic damages. These diseases are divided into syndromic (e.g., Usher syndrome, CHARGE syndrome) and non-syndromic types, involving mutations in key genes such as MYO7A, COCH, SLC26A4, TMC1, etc. Although clinical phenotypes vary, the pathogenesis is complex, traditional diagnostic methods are limited, and effective treatments are lacking. Mouse models are important tools for studying hereditary vestibular dysfunction, providing critical platforms for understanding disease mechanisms, developing diagnostic biomarkers, and treatment strategies.MethodsThis review systematically searched English and Chinese literature in databases including PubMed, Web of Science, Embase, and CNKI from January 2000 to April 2026. The search strategy combined Medical Subject Headings (MeSH) terms and free-text keywords, including \"hereditary vestibular dysfunction,\" \"mouse models,\" \"gene therapy,\" \"CRISPR-Cas9,\" \"Usher syndrome,\" \"translational research,\" \"biomarkers,\" \"Meniere disease,\" and \"International Mouse Phenotyping Consortium.\" Inclusion criteria were: (1) peer-reviewed articles on hereditary vestibular dysfunction mouse models; (2) studies reporting genetic mechanisms, pathophysiology, or therapeutic interventions; and (3) English or Chinese language publications. Exclusion criteria were: (1) non-peer-reviewed conference abstracts or preprints and (2) studies without clear genetic or phenotypic characterization. Two authors independently screened titles, abstracts, and full texts, with disagreements resolved by consensus. The review focuses on analyzing the applications of spontaneous mutation models, genetic engineering models, CRISPR technology-based models, and knockout models from the International Mouse Phenotype Consortium (IMPC) in disease mechanism research and treatment development.ResultsIn recent years, significant progress has been made in hereditary vestibular dysfunction mouse model research. Spontaneous mutation models like Myo6 and Cdh23 mutant mice have revealed the key role of cytoskeletal and cell junctions in vestibular function. Genetic engineering models have successfully simulated a variety of diseases, including Usher syndrome, ion channel defects, and vestibular development abnormalities, elucidating the molecular mechanisms of TMC1/2 mechanosensory channels, SLC26A4 ion transport, and vestibular system development genes. The application of CRISPR-Cas9 technology has greatly improved model construction efficiency and precision. These models have shown positive results in gene therapy, gene editing, and drug treatment research. AAV-mediated gene replacement therapy, CRISPR gene repair, and new drugs such as α1-antitrypsin have all achieved positive outcomes in mouse models. Biomarker studies based on multi-omics t","PeriodicalId":49960,"journal":{"name":"Journal of Vestibular Research-Equilibrium & Orientation","volume":" ","pages":"9574271261453788"},"PeriodicalIF":3.3,"publicationDate":"2026-05-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148057933","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Cross-cultural adaptation and psychometric properties of a Spanish-language version of the Vestibular Disorders Activities of Daily Living Scale (VADL-ES).","authors":"Aitor Yusta-Ceacero, Sergio Serrada-Tejeda, Patricia Sánchez-Herrera Baeza, Nuria Máximo-Bocanegra, Paula Obeso-Benítez, Joaquín Horna-Schlincker, Helen S Cohen, Rosa M Martínez-Piédrola, Marta Pérez-de-Heredia-Torres","doi":"10.1177/09574271261455219","DOIUrl":"https://doi.org/10.1177/09574271261455219","url":null,"abstract":"<p><p>BackgroundVestibular disorders affect mobility, independence, and quality of life. Culturally adapted assessment tools are essential for accurate evaluation and effective treatment in diverse populations.ObjectivesTo translate, culturally adapt, and evaluate the psychometric properties of the Vestibular Disorders Activities of Daily Living Scale (VADL) into European Spanish (VADL-ES).MethodsThe VADL was adapted following international cross-cultural guidelines. Psychometric testing included internal consistency (Cronbach's α), test-retest reliability (ICC), content validity (CVI), convergent validity with the Dizziness Handicap Inventory (DHI), and discriminant validity (ROC analysis, Youden index). Floor/ceiling effects, standard error of measurement (SEM), minimal detectable change (MDC₉₅), and structural validity (exploratory and confirmatory factor analysis) were also assessed.ResultsThe VADL-ES showed excellent internal consistency (α = 0.978), test-retest reliability (ICC = 0.988), strong correlation with the DHI (ρ = 0.768), and high content validity (S-CVI = 0.93). ROC analysis yielded an AUC = 0.988 with 100% specificity. Factor analysis confirmed a three-factor structure explaining 72% of variance. No floor or ceiling effects were observed; MDC95 was 0.91.ConclusionsThe VADL-ES is a valid and reliable instrument for assessing functional limitations in Spanish-speaking patients with vestibular disorders, enabling standardized evaluation and longitudinal monitoring in clinical and research settings.</p>","PeriodicalId":49960,"journal":{"name":"Journal of Vestibular Research-Equilibrium & Orientation","volume":" ","pages":"9574271261455219"},"PeriodicalIF":3.3,"publicationDate":"2026-05-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148018554","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"New developments in the diagnosis of benign paroxysmal positional vertigo.","authors":"Hyun-Jae Kim, Ji-Soo Kim, Bela Büki","doi":"10.1177/09574271261454144","DOIUrl":"https://doi.org/10.1177/09574271261454144","url":null,"abstract":"<p><p>Since the diagnostic criteria of benign paroxysmal positional vertigo (BPPV) were published in 2015 by the Bárány Society, many new ideas and observations have been introduced concerning the diagnostic methods, classification and related theories of pathomechanisms of this most frequent vestibular disease. The aim of the authors was to review new diagnostic methods, classification, hypothetical pathomechanisms of the recently introduced BPPV variants. To look for answers to the \"Questions for the Future\" published in the Consensus Document (2015) of the Committee for Classification of Vestibular Disorders of the Bárány Society, the authors reviewed the publications listed in PUBMED since 2015 on \"diagnosis,\" \"classification,\" \"pathomechanism,\" of BPPV in the light of their own studies. The questions were:1. The possible role of loose otoconia within the short arm of the semicircular canals.2. Coexistence of canalithiasis and cupulolithiasis.3. Mechanism of \"pseudospontaneous\" nystagmus and the theory of \"canalith jam\".4. Mechanism of persistent geotropic direction-changing positional nystagmus and the theory of light cupula.5. Anterior canalithiasis and the posterior cupulolithiasis.New research results contribute to our understanding of previously unclassified symptoms and examination results. As a conclusion it can be stated that the newly defined entities are important for topodiagnosis and successful treatments by physiotherapy.</p>","PeriodicalId":49960,"journal":{"name":"Journal of Vestibular Research-Equilibrium & Orientation","volume":" ","pages":"9574271261454144"},"PeriodicalIF":3.3,"publicationDate":"2026-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147989679","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Virtual reality-based visual vertical perception, fall risk, and vestibulo-ocular reflex evaluation in obstructive sleep apnea syndrome.","authors":"Gamze Nas Özütemiz, Alper Köycü, Ayşe Elif Küpeli","doi":"10.1177/09574271261451100","DOIUrl":"10.1177/09574271261451100","url":null,"abstract":"<p><p>BackgroundIn obstructive sleep apnea syndrome (OSAS), intermittent hypoxia and oxygen desaturation resulting from recurrent apnea episodes may adversely affect vestibular function.ObjectiveThis study aimed to provide a multidimensional evaluation of vestibular function in individuals with OSAS by assessing objective and functional/subjective vestibulo-ocular reflex (VOR), visual perception, and fall risk.MethodsVideo Head Impulse Test (vHIT), functional Head Impulse Test (fHIT), Tinetti Balance and Gait Test, and static and dynamic subjective visual vertical and horizontal tests were administered to 22 individuals with moderate OSAS, 22 with severe OSAS, and 23 healthy controls aged 18-55 years.ResultsFall risk was significantly increased in both OSAS groups compared with controls. Dynamic visual perception and functional VOR performance were predominantly impaired in severe OSAS, whereas vHIT gains did not differ between groups. Tinetti scores were not associated with subjective visual perception but showed moderate-to-strong correlations with fHIT performance in moderate and severe OSAS.ConclusionsFall risk is increased in OSAS, and functional VOR deficits may occur despite normal vHIT findings, suggesting involvement of higher-level (central) vestibular processing and underscoring the need for comprehensive vestibular assessment.</p>","PeriodicalId":49960,"journal":{"name":"Journal of Vestibular Research-Equilibrium & Orientation","volume":" ","pages":"9574271261451100"},"PeriodicalIF":3.3,"publicationDate":"2026-05-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147870197","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Using the probability of recovery from an acute unilateral vestibulopathy to determine the severity of the vestibular loss: Development of a multivariate PROBIT model.","authors":"Gabrielle Vassard-Yu, Lien Van Laer, Ann Hallemans, Luc Vereeck, Vincent Van Rompaey","doi":"10.1177/09574271261448955","DOIUrl":"10.1177/09574271261448955","url":null,"abstract":"<p><p>ObjectivesThis study aims to develop a prognostic model, based on the video Head Impulse Test (vHIT)-Vestibulo-Ocular Reflex (VOR) gain, of vestibular loss after an acute Unilateral Vestibulopathy (aUVP) predicting the probability of an objective and significant recovery.DesignData gathered prospectively in patients with aUVP were re-analyzed. After an exploratory cluster analysis, a multivariate PROBIT regression model was used to objectively pinpoint the value of vHIT-VOR gain at baseline that predicts a significant recovery after 10 weeks. Significant recovery was defined as a vHIT-VOR gain superior or equal to 0.70 after 10 weeks.ResultsA total of 48 subjects were included. The final model identified 2 thresholds, respectively, at 0.53 and 0.74, to classify severe (vHIT-VOR gain ≤0.53), moderate (0.53 < vHIT-VOR gain ≤0.74), and non-significant (0.74 < vHIT-VOR gain) vestibular loss. The probability of a significant recovery was 20% ((Prediction Interval 95% (PI) [0%-43%]) for a gain of 0.50 at baseline, while it doubles (45% (PI [0%-63%]) for an initial gain of 0.60. Our final model demonstrated a good area under the curve (AUC) of 0.85. The corrected AUC after bootstrap resampling was 0.81 (CI 95% [0.74, 0.89]). A good Brier score of the predicted probabilities was also obtained, at 0.15.Conclusions and relevanceFor the first time, this paper proposes a model that objectively defines the severity of vestibular loss at baseline after an aUVP. This research lays the groundwork for future studies to validate our prognostic model and perform more precise analyses of vestibular compensation patterns.</p>","PeriodicalId":49960,"journal":{"name":"Journal of Vestibular Research-Equilibrium & Orientation","volume":" ","pages":"9574271261448955"},"PeriodicalIF":3.3,"publicationDate":"2026-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147845509","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Social media analysis of Meniere's disease: Insights and challenges for otolaryngologists.","authors":"Wilhelmina Tan, Nicholas Rossi, Olivia Nixon-Hemelt, Brian Quinlan, Dayton Young, Brian McKinnon","doi":"10.1177/09574271251392049","DOIUrl":"10.1177/09574271251392049","url":null,"abstract":"<p><p>IntroductionThe advent and growth of social media platforms have dramatically altered the landscape of health information sharing, particularly for conditions like Meniere's disease. This study delves into the nature and impact of shared experiences and peer support concerning Meniere's disease on social media, underscoring the critical need for analyzing this content for its influence and accuracy. This study aims to analyze the portrayal of Meniere's disease across social media platforms, focusing on content accuracy and misinformation, to provide vestibular care professionals with insights for improving patient education and fostering more effective patient engagement.Materials and methodsEmploying a comprehensive qualitative approach, our study scrutinized 1108 social media posts about Meniere's disease from Facebook, Instagram, and TikTok-over 3 months. Analysis included authorship identification, examination of the subject matter, tone assessment, and evaluation of post popularity and engagement metrics.Results and analysisA significant portion of the analyzed posts were predominantly image-driven, with a majority authored by patients or their family members. Instagram was the most utilized for Meniere's disease discussions, followed by Facebook and then TikTok. The content analysis revealed that personal experiences comprised 40% of the posts, followed by informational posts, and queries or advice-seeking posts. Sentiment analysis showcased a diverse range of emotions: 45% of posts displayed a positive tone, 35% were neutral, and 20% expressed negative sentiments.DiscussionThe findings from this study highlight a significant demand for accurate and authoritative educational resources on social media regarding Meniere's disease. They offer vestibular care providers, including otolaryngologists, audiologists, physical therapists, speech-language pathologists, and others valuable insights into improving patient-centered care by developing and implementing effective communication strategies. Emphasizing patient empowerment, these strategies should cater to a patient population that is increasingly turning to social media for health-related information. The study also points to the necessity of addressing misinformation and guiding patients towards reliable sources of medical information online.</p>","PeriodicalId":49960,"journal":{"name":"Journal of Vestibular Research-Equilibrium & Orientation","volume":" ","pages":"164-171"},"PeriodicalIF":3.3,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145349613","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The effect of tilt degree and position changes on video ocular counter-roll test performance.","authors":"Asya Fatma Men, Ayşenur Küçük Ceyhan","doi":"10.1177/09574271251382787","DOIUrl":"10.1177/09574271251382787","url":null,"abstract":"<p><p>BackgroundThe vestibular system is essential for balance and visual stability and relies on the ocular counter-roll (OCR) reflex to regulate torsional eye movements during head tilt.ObjectiveThis study aimed to investigate how different tilt angles (15° and 45°) and tilt positions (head and body) influence static video Ocular Counter-Rolling (vOCR) responses in healthy individuals.MethodsA total of 30 healthy volunteers (17 females and 13 males), aged between 18 and 30 years, participated in the study. vOCR testing was conducted using the Interacoustics VisualEyes™ 525 video-oculography (VOG) system. Torsional eye movements were recorded at 15° and 45° during both lateral head tilt and body block tilt. Torsion degree, asymmetry, and gain values were analyzed and compared across all conditions.ResultsGain values did not significantly differ based on tilt angle or position (p > 0.05). The degree of torsional eye movement was significantly higher at 45° tilts compared to 15°, and greater during body tilt than head tilt (p < 0.0001). Asymmetry values remained within normal limits under all conditions and showed no significant differences (p > 0.05).ConclusionsThese findings indicate that the angle and position of tilt affect the magnitude of the rotational response, but that gain and asymmetry values remain consistent across conditions. This suggests that comparable gains can be obtained at different angles, such as 15° and 45°, and that low-angle tilts may be sufficient for evaluating otolith-ocular gain.</p>","PeriodicalId":49960,"journal":{"name":"Journal of Vestibular Research-Equilibrium & Orientation","volume":" ","pages":"133-142"},"PeriodicalIF":3.3,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145151480","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}