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Open research questions in Psychosomatic Disorders and Their Treatments

574 gap statements mined from Psychosomatic Disorders and Their Treatments papers in our 7.9M-paper local library, which holds 3,375 papers on the topic — drawn mostly from each paper's own stated research gap, future-work, challenge and limitation notes, and its abstract. The ones listed below are a selection still marked open; each names the study that raised it, with a DOI link where the paper has one.

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What the literature leaves open

  • The need to develop more sophisticated measures of fatigue. The challenge of understanding the complex relationship between effort and reward in fatigue.

    Towards a domain-general mechanistic model of fatigue: application to Functional Neurological Disorder · 2026 · DOI

  • The lack of understanding of fatigue in individuals with FND. The difficulty in defining and manipulating fatigue. The need for a mechanistic model of fatigue to develop effective treatments.

    Towards a domain-general mechanistic model of fatigue: application to Functional Neurological Disorder · 2026 · DOI

  • The paper identifies a gap in the understanding of how functional neurological symptoms, suggested effects and VR are implemented in the brain and how they might interact. The paper highlights the need for further research on the potential modulation of FND by VR.

    Functional neurological disorder, suggestion and virtual reality: neuroanatomical and computational perspectives · 2026 · DOI

  • The existing economic analysis of FND is limited, ignoring wider social costs. There is a lack of reliable estimates of the economic burden of FND. The standard QALY framework may not be suitable for evaluating the cost-effectiveness of FND treatments.

    The economic burden of functional neurological disorder · 2026 · DOI

  • Inadequate funding of large-scale mechanistic and longitudinal research has limited understanding of functional neurological disorder. Methodological limitations and the absence of standardized outcome measures have hindered research in this area. The paper identifies a gap in the use of digital remote monitoring technologies to investigate mechanisms and monitor outcomes in FND.

    Investigating mechanisms and monitoring outcomes in functional neurological disorder: the unrealized potential of digital remote monitoring technologies · 2026 · DOI

  • Future studies should examine the effects of treatment on the R2 component in patients with FMD. Future studies should investigate the relationship between the R2 component and other neurological and psychiatric conditions.

    Baseline blink reflex R2 changes correlate with affective and interoceptive domains in functional movement disorders · 2026 · DOI

  • There is a lack of quantitative evidence of a reduction in the BR R2 area in patients with FMD. The correlation between R2 changes and affective and interoceptive domains in FMD is not well understood.

    Baseline blink reflex R2 changes correlate with affective and interoceptive domains in functional movement disorders · 2026 · DOI

  • Potential underreporting or lack of access to psychiatric evaluation in certain populations. Challenges in managing FMDs in a developing country context, including limited resources and healthcare access.

    Challenges in the diagnosis and management of functional movement disorders in a developing nation: insights from the Philippines · 2026 · DOI

  • Further studies are needed to investigate the long-term effects of multidisciplinary management on FMD. Research should focus on the mechanisms underlying motor control and attentional processes in FMD. Studies should explore the potential benefits of multidisciplinary rehabilitation for other functional neurological disorders.

    Multimodal assessment of clinical and neural changes following multidisciplinary management in functional motor disorders · 2026 · DOI

  • Despite its clinical importance, little is known about its etiology, and the extent to which familial and genetic factors contribute to its development remains unclear.

    Familial Clustering of Hypochondriasis · 2026 · DOI

  • Childhood trauma is a well-known risk factor for somatic symptoms, but the psychological mechanisms behind this link remain insufficiently understood.

    When the body speaks for the mind: A parallel–serial mediation model of trauma, epistemic trust, reflective functioning, and somatic symptoms in emerging adults. · 2026 · DOI

  • Evidence on the frequency and characteristics of SSD among medically hospitalized inpatients remains scarce.

    Assessing DSM-5 criteria of somatic symptom disorder in medically hospitalized inpatients: A cross-sectional analysis · 2026 · DOI

  • Longitudinal data on somatic symptom disorder (SSD) in ulcerative colitis (UC) and irritable bowel syndrome (IBS) are lacking.

    Course and predictors of somatic symptom disorder in irritable bowel syndrome and ulcerative colitis: A longitudinal analysis from the SOMA.GUT-RCT · 2026 · DOI

  • The mechanisms underlying the high comorbidity between internalizing disorders (IDs) and functional disorders (FDs) remain unclear.

    Data-driven subtypes of internalizing and functional somatic symptoms: A hybrid mixture modeling approach · 2026 · DOI

  • Although crucial for intervening in interoceptive and decision-making dysfunctions, causal evidence of interoceptive change and its relation to decision making is lacking.

    Body core compression enhances interoception leading to altered risk choices · 2026 · DOI

  • Future research should explore its efficacy in clinical populations alongside complementary therapies.

    Biofeedback and Training of Interoceptive Insight and Metacognitive Efficacy Beliefs to Improve Adaptive Interoception: A Subclinical Randomised Controlled Trial · 2025 · DOI

  • That is, although a variety of interventions are available for primary functional symptoms and mental health comorbidities, there have not been any systematic efforts to date to specifically target cognitive functioning in FND, leaving an important gap in the literature.

    Cognitive rehabilitation for functional neurological disorder · 2025 · DOI

  • The study investigates the effect of Tai Chi on interoceptive sensitivity as a potential embodied mechanism.

    Embodied pathways of recovery: interoceptive change and the reduction of depressive symptoms following Tai Chi in women aged 40–55 years · 2026 · DOI

  • SSD in youth is linked to emotional awareness and mentalising deficits; however, these factors, together with parental mentalising, have rarely been examined together.

    Mentalisation in Parents and Adolescents With Somatic Symptom Disorder: A Cross‐Sectional Case–Control Study · 2026 · DOI

  • Cognitive difficulties occur across the FND subtypes (eg, seizures, movement disorders, dizziness) but are largely underrecognized and undertreated by healthcare providers.

    Cognitive rehabilitation for functional neurological disorder · 2025 · DOI

  • Confirmatory factor analysis (CFA) tested this model across the Dutch and UK samples, with mixed results for fit indices, although good internal reliability was demonstrated.

    Exploration of the factor structure of the physical symptoms questionnaire (PSQ-51). Comparisons between Dutch and English samples · 2025 · DOI

  • Improving estimates that better reflect patients' willingness to pay, - Developing a proposed framework that may be used to do a cost-effectiveness analysis that is more responsive to the preferences…

    The economic burden of functional neurological disorder · 2026 · DOI

  • Development of innovative solutions to address research challenges in FND - Investigation of mechanisms and monitoring outcomes in FND using digital remote monitoring technologies - Standardization of outcome…

    Investigating mechanisms and monitoring outcomes in functional neurological disorder: the unrealized potential of digital remote monitoring technologies · 2026 · DOI

  • No definitive imaging biomarker has been established, - The genetic underpinnings of FND remain largely unexplored, - Limited number of studies investigating heritability and specific gene variants associated with the disorder, - No single gene has been definitively linked to FND, - Current clinical signs specific to FND are already highly…

    Imaging biomarkers in functional neurological disorders · 2026 · DOI

  • Integrating biomarkers may further enhance diagnostic precision, - Applying machine learning techniques to rs-fMRI data, - Investigating the role of genetic and epigenetic factors in FND, - Developing a multi-modal approach integrating neuroimaging, genetics and computational…

    Imaging biomarkers in functional neurological disorders · 2026 · DOI

Most-cited papers in Psychosomatic Disorders and Their Treatments

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Open questions raised by papers listed on this page include: (1) The lack of understanding of fatigue in individuals with FND (“Towards a domain-general mechanistic model of fatigue: application to…”, 2026); (2) There is a lack of reliable estimates of the economic burden of FND (“The economic burden of functional neurological disorder”, 2026); (3) Future studies should examine the effects of treatment on the R2 component in patients with FMD (“Baseline blink reflex R2 changes correlate with affective and interoceptive…”, 2026); (4) Potential underreporting or lack of access to psychiatric evaluation in certain populations (“Challenges in the diagnosis and management of functional movement disorders in…”, 2026); (5) Further studies are needed to investigate the long-term effects of multidisciplinary management on FMD (“Multimodal assessment of clinical and neural changes following…”, 2026). 574 gap statements have been mined from Psychosomatic Disorders and Their Treatments papers in our 7.9M-paper local library, which holds 3,375 papers on the topic; the gaps come from whichever of those papers state one. They are mostly the research gaps the authors state and the papers' abstracts, plus future-work, limitations and challenges passages. The ones listed below are a selection still marked open; each names the study that raised it, with a DOI link where the paper has one, so you can read the original claim in context.

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