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Open research questions in Voice and Speech Disorders

345 unresolved questions extracted from the limitations and future-work sections of 1,662 Voice and Speech Disorders papers in our library. Each links back to the study that raised it.

What the literature leaves open

  • small sample size, - retrospective cohort study, - limited follow-up time for some patients, - potential for Type II error

    Objective acoustic voice outcomes following direct laryngochondroplasty in transgender women: a technique-specific cohort study · 2026 · DOI

  • further studies with larger sample sizes, - longer follow-up times, - comparison of different LCP techniques

    Objective acoustic voice outcomes following direct laryngochondroplasty in transgender women: a technique-specific cohort study · 2026 · DOI

  • The study has a retrospective design which limits causal inferences. The lack of a validated measure of religiosity. No other limitations were stated in the text.

    Tolerance to Office-Based Laryngeal Surgery and Perceived Change in Voice Handicap in Religious Leaders Compared to Patients Who Are Not Religious Leaders in Beirut, Lebanon · 2026 · DOI

  • A search of the literature revealed no studies on the relationship between religiosity or religious status and tolerance to outpatient procedures, suggesting a need for further research. The development of a validated measure of religiosity could improve future studies. Investigating the relationship between religiosity and tolerance to other medical procedures could provide further insights.

    Tolerance to Office-Based Laryngeal Surgery and Perceived Change in Voice Handicap in Religious Leaders Compared to Patients Who Are Not Religious Leaders in Beirut, Lebanon · 2026 · DOI

  • The study identifies a gap in the understanding of the relationship between voice disorders and anxiety/stress levels in Islamic clergy. The study highlights the need for further research on the impact of voice disorders on the physical, functional, and emotional well-being of clergymen.

    Stress and Anxiety Profile of Clergymen with Voice Disorders in Türkiye · 2026 · DOI

  • The study was limited to 11 vocal biomarker startups, - The study used a qualitative interview approach, - The sample size was determined by thematic saturation and adequate representation of startup geographic diversity and maturity

    The epistemic economy of vocal biomarker startups: a qualitative interview study of data practices and governance · 2026 · DOI

  • The scientific foundation for vocal biomarker startups remains unestablished. The governance framework for vocal biomarker startups is lacking. There is a need for established scientific and ethical standards in the vocal biomarker industry.

    The epistemic economy of vocal biomarker startups: a qualitative interview study of data practices and governance · 2026 · DOI

  • The study faces challenges in synthesizing existing research due to the limited number and substantial clinical diversity of available studies. The paper acknowledges the limitation of registering the review after completion of the formal literature searches and study screening. The study faces challenges in estimating the prevalence of voice disorders due to the heterogeneity of the included studies.

    Prevalence of voice disorders in military personnel: a systematic review and meta-analysis · 2026 · DOI

  • The prevalence of voice disorders in military populations is poorly characterized. There is a need for a systematic review and meta-analysis to synthesize existing research on the prevalence of voice disorders in military populations.

    Prevalence of voice disorders in military personnel: a systematic review and meta-analysis · 2026 · DOI

  • A comparative analysis of the diagnosis effectiveness of acoustic features, linguistic features, and their combination using the same dataset - Improving the accuracy of machine learning for AD diagnosis

    Automatic speech analysis for detecting cognitive decline of older adults · 2024 · DOI

  • There is a lack of comparative studies on which type of indicator, acoustic or linguistic, is more effective for early screening of AD. Most existing studies utilize only one type of indicator or combine both types, assuming that the combination yields better diagnosis results.

    Automatic speech analysis for detecting cognitive decline of older adults · 2024 · DOI

  • However, its application by Speech and Language Therapists (SLTs) in the paediatric population remains underexplored.

    Assessing vocal fold movement in healthy young children and infants using laryngeal ultrasound by speech and language therapists: a feasibility study · 2026 · DOI

  • High-quality, large-scale studies with longer follow-up are needed to standardize diagnostic and rehabilitation protocols and improve voice outcomes in this underexplored field.

    Diagnosis and Rehabilitation of Dysphonia After Spinal Cord Injury · 2026 · DOI

  • There was no consensus on objective and subjective measurements to evaluate the condition or best indications for requiring surgical intervention.

    Iatrogenic pediatric unilateral vocal cord paralysis after cardiac surgery: a review · 2024 · DOI

  • Thyroplasty, injection medialization (IM) and recurrent laryngeal nerve reinnervation (RLNR) were the reported surgical interventions used to treat UVCP, however there was limited data on short and long-term surgical outcomes in children.

    Iatrogenic pediatric unilateral vocal cord paralysis after cardiac surgery: a review · 2024 · DOI

  • The lack of attention to snoring's creative or musical potential. The need for a compositional model that supports breath-shaped phrasing and affective shading.

    Snoring as Involuntary Vocalisation: Mapping Its Rhythmic, Timbre-Based, and Affective Qualities in Experimental Music Composition · 2026 · DOI

  • Additional studies on micro-gestural expression in performance further support the idea that small sonic details can carry significant expressive weight (Windsor, 2011; Leman, 2016).

    Snoring as Involuntary Vocalisation: Mapping Its Rhythmic, Timbre-Based, and Affective Qualities in Experimental Music Composition · 2026 · DOI

  • Limited sample size of the available Chinese speech database. Relative scarcity of high-quality annotated speech data. Current limitations in expertise and technical resources.

    Study on the characteristics analysis and recognition method of vowels in patients with type Ⅱ diabetes · 2026 · DOI

  • In-depth analysis of the specific roles played by the six types of Chinese vowels in diabetes detection. Collection of larger datasets with high-quality annotated speech data.

    Study on the characteristics analysis and recognition method of vowels in patients with type Ⅱ diabetes · 2026 · DOI

  • The current state of Automatic Speech Recognition (ASR) for dysarthric speech is limited. The available data for dysarthric speech is limited.

    How can deep learning technique be leveraged to enhance ASR systems for dysarthric speech recognition? · 2026 · DOI

  • Adolescent singers face challenges in terms of vocal and physiological development. Conductors need to adapt their pedagogical approaches to the age and developmental level of their students.

    Vocal Pedagogy and Rehearsal Strategies in Adolescent Choral Settings: An Observational Study of Australian National Choirs · 2026 · DOI

  • There is a growing need for effective and healthy vocal training strategies for adolescent singers. The current study aims to address this gap by exploring vocal techniques and pedagogical approaches in adolescent choir rehearsals.

    Vocal Pedagogy and Rehearsal Strategies in Adolescent Choral Settings: An Observational Study of Australian National Choirs · 2026 · DOI

  • The physiological underpinnings of atypical stop consonant productions in PD are not well understood. There is a need to investigate the articulatory correlates of atypical stop consonant production in speakers with PD.

    Articulatory kinematics during atypical stop productions in Parkinson’s disease · 2026 · DOI

  • the sample size may be considered modest, - the study was limited to a specific patient population, - the study was an initial validation and exploratory psychometric assessment, - the questionnaire was only validated for Polish-speaking adults

    Psycho-Vox: A Polish Questionnaire for the Differential Diagnosis of Muscle Tension Dysphonia · 2026 · DOI

  • further validation of the Psycho-Vox questionnaire for other languages and populations, - development of tailored diagnostic tools for patients with voice disorders, - investigation of the usefulness of the questionnaire in monitoring therapeutic progress

    Psycho-Vox: A Polish Questionnaire for the Differential Diagnosis of Muscle Tension Dysphonia · 2026 · DOI

Most-cited papers in Voice and Speech Disorders

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345 open questions have been extracted from the limitations and future-work passages of 1,662 Voice and Speech Disorders papers in our library. Each one below links back to the study that raised it, so you can read the original claim in context.

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