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Open research questions in Autism Spectrum Disorder Research

687 unresolved questions extracted from the limitations and future-work sections of 8,738 Autism Spectrum Disorder Research papers in our library. Each links back to the study that raised it.

What the literature leaves open

  • Despite studies supporting the efficacy of group social skills interventions for older autistic children and adoles- cents (without ID), the feasibility and potential benefits of such interventions for young autistic children (with- out ID) continue to be understudied (Hume et al.

    Pilot Study of a Summer Social Program (summerMAXyc) and Correlates of Outcomes for Young Autistic Children · 2026 · DOI

  • ABSTRACT Children with autism spectrum disorder (ASD) frequently experience elevated emotional and behavioral difficulties, yet factors associated with variability remain incompletely understood.

    Adaptive Functioning, Sensory Processing, and Behavioral Problems in Autistic Children: The Moderating Role of Gender · 2026 · DOI

  • Conclusion While these results need to be replicated in a larger study, especially involving more chil-dren with non-ASD related developmental delays, this is the first work using physiologi-cal measurements, coupled with AI, to support ASD diagnoses in a clinically relevant set-ting.

    Translational Study of using FOCM/TS Metabolites for Supporting Autism Spectrum Disorder Diagnosis · 2026 · DOI

  • ABSTRACT Autism spectrum disorder (ASD) is highly heritable; however, the neural architecture underlying semantic processing and social functioning, and the extent to which it reflects familial liability, remains insufficiently understood.

    Neural Endophenotypes of Semantic Processing and Social Functioning in Autism Spectrum Disorder · 2026 · DOI

  • Symptoms of oppositional behavior should be explored in a longitudinal sample, but results suggest individuals who have lost the autism diagnosis show significantly less ODD externalizing behaviors.

    Symptoms of Oppositional Behavior In autistic Adolescents and Adolescents Who Have Lost the Autism diagnosis · 2026 · DOI

  • For Policymakers and Health Authorities Governments in the GCC countries should set up their national ASD registries and population-level surveillance systems to generate reliable and up-to-date prevalence data that is used to inform health planning and resource allocation as replacement of current statistics that are clearly not supported by the research evidence. The official ASD prevalence statistics should be updated to reflect the best available research evidence, and all national health systems should include ASD as a discrete reporting category within disability data frameworks. Assess how effectively Qatar, Saudi Arabia and United Arab Emirates are implementing national autism strategies and fund and initiate similar projects in Bahrain, Kuwait and Oman. The evidence of advanced maternal age, gestational diabetes, and vitamin D deficiency increasing the risk of developing ASD in the populations of the Gulf region identifies the need to include structured screening procedures as an early identification tool for ASD within the public health programmes for prenatal and perinatal health.

    Autism Spectrum Disorder Research in the Gulf Region: A Systematic Review of Studies Published Between 2000 and 2025 · 2026 · DOI

  • Kuwait currently does not exist within the empirical ASD literature; it represents the most important single gap in the evidence base for the region.

    Autism Spectrum Disorder Research in the Gulf Region: A Systematic Review of Studies Published Between 2000 and 2025 · 2026 · DOI

  • Finally, the exclusive reliance on cross-sectional designs limits causal inference; whether reduced INS is a driver, a consequence, or an adaptive correlate of autistic social behavior remains uncertain.

    A PRISMA Systematic Review of Hyperscanning in Autism · 2026 · DOI

  • Declarations Future research is needed to evaluate the implementa- tion and outcomes of the protocol developed through this study. The implementation of the Autism Response Proto- col and related training should be evaluated to determine if they are realistic and generate a meaningful impact on FRs’ understanding, skills, and confidence in supporting autistic people. Prospective empirical evaluations of the Autism Response Protocol and related training guidelines will also be necessary to establish best practices around FR training in autism. Further, though the themes and recom- mendations were reviewed by members of both the autistic and FR communities, this study and the resulting products were created primarily by non-autistic researchers. Thus, future research on this important topic should adopt a true community-based participatory research framework to refine and strengthen recommendations. Finally, education and training are needed for professionals who encounter autistic people after they transition from a crisis scene to a hospital for stabilization or jail for legal consequences. For example, one survey of 40 autistic adults without intellec- tual disability rated interactions with emergency room staff as less favorably than those with police officers (Tint et al., 2019). In the current study, caregiver participants’ concerns over the quality of treatment their children would receive in hospitals and jails underscores the critical need to extend education beyond FRs to broader medical, legal, and crimi- nal justice professionals. Supplementary Information The online version contains supplementary material available at h t t p s : / / d o i . o r g / 1 0 . 1 0 0 7 / s 1 0 5 9 7 - 0 2 6 - 0 1 6 8 9 - 4 . Acknowledgements We would like to thank all of the participating individuals, families, and first responders for their valuable contribu- tions to this study. We also thank Isabel Huerta and Elizabeth Maquera who assisted with data collection and analysis on this project. Competing interests The authors declare no competing interests. Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adap- tation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit h t t p : / / c r e a t i v e c o m m o n s . o r g / l i c e n s e s / b y / 4 . 0 / .

    First Responders’ Knowledge of and Training Needs in Autism: An Integration of Key Perspectives and Evidence-Based Practice · 2026 · DOI

  • In the context of a large body of intervention research focused on efficacy and comparative effectiveness, there has been very limited research on longitudinal outcomes for young children with autism, and even less research focused on exploring outcomes as related to early experi- ences with intensive interventions (such as EIBI).

    10-Year Outcome of Community-based Early Intensive Behavioral Intervention for Autistic Children · 2026 · DOI

  • Further, there was no standardized information collected from participants on interventions received during the 10-year interim period.

    10-Year Outcome of Community-based Early Intensive Behavioral Intervention for Autistic Children · 2026 · DOI

  • Future research warrants further expanding upon under- standing of how an individual’s profile might guide deci- sions regarding programs and interventions – based both upon preferences and skills/ need. Emerging work that utilizes predictors and more sophisticated, individualized designs (such as Sequential Multiple Assignment Ran- domized Trials or “SMART” designs) may result in more customized intervention experiences. Considerations for clinical practice include promoting increased access and availability of interventions in community settings, such as through telehealth. This is particularly critical to ensure access for racially, ethnically, and linguistically diverse fam- ilies, who have historically been excluded both from service Research on Child and Adolescent Psychopathology (2026) 54:381 3 38 Page 10 of 12 systems and from intervention research studies (Dallman et al., 2021; Smith et al., 2020). Finally, in the field, our framing and understanding of EIBI has changed over time and as new research has become available. There has been support for the overall benefits of early intervention, and we have also learned more about the priorities and preferences of the autistic community with respect to intervention options. Autistic experts increasingly express that creating positive social opportunities should focus more on promoting inclusive practices and attitudes, rather than intervening on individuals to change their behav- ior (Botha et al., 2022; Gardner, 2017). Most importantly, the field should engage more autistic researchers and advo- cates in this work to better integrate their lived expertise with those who have expertise in intervention design and evaluation. This includes partnering with autistic individu- als to help identify value-based outcomes and what true early educational “success” might look like in 10–15 years.

    10-Year Outcome of Community-based Early Intensive Behavioral Intervention for Autistic Children · 2026 · DOI

  • While the cur- rent study did not explicitly investigate co-occurrence, the results support the proposal that empathic disequilibrium may serve as a transdiagnostic socio-emotional dimension (Shalev & Uzefovsky, 2025), suggesting further research into this concept could be valuable.

    Empathic Disequilibrium in Autistic Traits and CU Traits: Investigating Empathy Imbalance in Children · 2026 · DOI

  • First, causal conclusions are limited by the cross-sectional nature of the study and results can only demonstrate how a network of autism-related approach-withdrawal behav- iors relates to concurrent psychiatric symptomatology for autistic children between the ages of 6 and 11 years.

    Conceptualizing Autism as a Behavioral Network: Transdiagnostic Associations with Co-occurring Psychiatric Conditions · 2026 · DOI

  • Abstract Background Anodal transcranial direct current stimulation (tDCS) using an extracephalic montage has demonstrated clinical efficacy in improving social functioning in individuals with autism spectrum disorder (ASD), however its neurobiological mechanisms remain poorly understood.

    Increased brain glucose metabolism after anodal left DLPFC–right shoulder tDCS in ASD: an open-label pilot F-18 FDG PET/CT study · 2026 · DOI

  • While a Ptchd1Δexon2 mouse model supports links between PTCHD1 and ID-like and ADHD-like phenotypes, it remains unclear as to the role of PTCHD1/Ptchd1 in the emergence of ASD-related pathology.

    Disruption of major Ptchd1 isoforms causes autistic traits in social behavior and communication · 2026 · DOI

  • However, the specific patterns of PAC at both intra-region and inter-region scalp levels in young children with ASD, as well as their precise associations with clinical symptoms, remain unclear.

    Widespread Hyper-Coupling and Frequency-Specific Dysregulation of Phase-Amplitude Coupling in Young Children with Autism Spectrum Disorder · 2026 · DOI

  • Given the centrality of digital communication to social, educational, and professional participation, further development of participatory, user-centered NLP assistive technologies for neurodiverse populations is warranted. Future research should prioritize controlled trials, longer follow-up periods, inclusion of minimally verbal and non-English-speaking individuals, and examination of bidirectional communication support rather than unidirectional user accommodation.

    Using natural language processing to support digital communication in adolescents and young adults with autism spectrum disorder · 2026 · DOI

  • • Low-stimulus spaces might help to reduce anxiety and enhance communication • Consider reducing sensory triggers (bright lights, smell, noises) • Be aware about tactile sensitivities that might lead to difficulties assessing blood pressure, collecting blood samples and performing clinical examinations • If possible, provide in advance clear information about clinical procedures to be performed and give timelines in advance • Provide information regarding staff changes as abrupt variations and unclear communication can increase anxiety • Literal thinking is not unusual in people with autism. Avoid metaphors. Strive in using concrete and unambiguous language • Consider using alternative communication modes (Text messages, e-mails, visual cards) • Allow additional processing time • Be aware that conventional signs of discomfort or pain might not be shown in some people with autism. Inability to recognize this feature might lead to delays in diagnosis and compromise patient-safety • In contact with non-verbal or little verbal patients, rely on information from people who knows them • To avoid experiences of stigma, dismissal, and of not being taken seriously, healthcare providers are encouraged to engage in validating and respectful interactions with older people with autism. • Empathy might be expressed in different ways in people with autism • Health care providers that strive in understanding different challenges that people with autism experience are valuable • Lack of continuity, staff turnover, and insufficient empathy are major barriers • Long-term relationships with the same healthcare providers can improve the experiences • Long wait times (healthcare waiting-rooms or inpatient wards) can be challenging for people with autism • Allow physical and emotional space.

    Older Adults with Autism Spectrum Disorder Meeting Healthcare Services: A Concise Systematic Qualitative Evidence Synthesis · 2026 · DOI

  • Here as well, performance improvement is seen as individuals with ASD age, although conflicting findings suggest that further research is needed to fully understand age-bound evolutions in this area. Fur- ther research, including longitudinal study designs are warranted.

    Who is Talking? A Systematic Review on Voice Identity Processing in Autism · 2026 · DOI

  • Although we assembled a reasonable number of articles, a major limitation of our review is that evidence at different levels of the neurofunctional processing model is incon- clusive and contradictory. One significant gap in the research is the absence of systematic investigations into the effects of participant age and basic acoustic percep- tual abilities on voice identity processing.

    Who is Talking? A Systematic Review on Voice Identity Processing in Autism · 2026 · DOI

  • The results and limitations of this review position future studies to address several remaining questions. How can we expand the scope of evidence-based training for providers to benefit autistic adults? How can we provide generic training on the care of autistic adults for a wide range of providers? How can we assess the training available in autism advocacy organizations and companies so that they can be included in the research literature? Future research may be conducted through community-based participatory research (CBPR), a partnership approach in which researchers and community stakeholders engage equitably, ultimately working towards positive 1 3Review Journal of Autism and Developmental Disorders social change through increased knowledge. This approach is especially applicable given how underserved autistic adults have been as a community; integrating the expertise of autistic adults would contribute to better training programs/interventions while also respecting them as primary stakeholders. Demonstrating the success of this approach in facilitating better care for autistic adults, the AHAT by Nicolaidis et al. and the DIVERSE curriculum by Zhao et al. were developed and evaluated through CBPR (Nicolaidis et al., 2016; Zhao et al., 2025). To feasibly improve outcome measures — specifically, to provide a measure of change in provider behavior — researchers may survey providers several months post-training to ask whether they have changed their behavior. This approach is most feasible when a specific behavior is the target of a training program; otherwise, when the behavior goals are more specific, such as offering alternative communication modalities or asking about sensory sensitivities, measuring the training’s efficacy in improving the quality of care provided is much more straightforward. Alternatively, for more general training programs, even a simple “Yes or No” response with optional open-text feedback from providers on whether their behavior toward autistic adults several months post-training has changed can be valuable in assessing training efficacy. Additionally, the dramatic rise in telehealth following the COVID-19 pandemic presents an opportunity to leverage videoconferencing to create accessible training for providers and to reach a wider range of neurodiverse patients who may have difficulty accessing transportation. Along with several other virtual training programs, the ECHO programs used videoconferencing and telehealth to adapt autism training. They offered a didactic environment for experts and healthcare providers to engage in community learning (Dreiling et al., 2022; Mazurek et al. 2020; Malow et al., 2023; Thakur et al., 2021; Cardon et al. 2023).

    Autism Training Programs for Providers Supporting Autistic Adults: A Scoping Review · 2026 · DOI

  • Development of verbal abilities seem to present discrepancies, although evidence remains inconclusive, as well results on EFs evaluated with neuro- psychological instruments, where difficulties are linked to ASD but sex-differences are still not clear as studies have not been replicated and findings are dependent on the mea- surements used given the interconnected nature of these abilities.

    A systematic review and future research directions of sex differences in cognitive abilities of autistic children and adolescents · 2026 · DOI

  • Furthermore, the potential adherence to gender-affirming treatments was not investigated, however this can influence cogni- tive functions (Karalexi et al. Addition- ally, the studies reviewed exhibit imbalanced samples, variability in measures, and inconsistent findings, all of which may impact the robustness and generalizability of the results. Furthermore, exist- ing research remains insufficient to systematically investi- gate key developmental stages, from the perinatal period to toddlerhood, infancy, early childhood, middle childhood, and adolescence.

    A systematic review and future research directions of sex differences in cognitive abilities of autistic children and adolescents · 2026 · DOI

  • Autism is partly characterized by socio-communicative abilities that diverge from the neurotypical population. These skills shape interpersonal interactions, influence navigation of the social world, and impact development across multiple domains. Research has established a bidirectional relationship between socio-communicative and cognitive abilities in both autistic and neurotypical individuals (Soto-Icaza et al., 2015; Weisberg, 2015), underscoring the relevance of investigating cognitive functioning to identify areas that may benefit from targeted interventions. Understanding the specific challenges present in a given population is essential for the development of targeted interventions that can be further tailored to individual profiles. Establishing standardized procedures is fundamental for ensuring scientific rigor in intervention strategies, particularly when addressing the needs of a specific population. However, standardization does not preclude personalized treatment approaches; rather, it provides a structured foundation that enhances the precision and effectiveness of individualized interventions. Potential differences in cognitive abilities may stem from variations in social skills and, in turn, contribute to further divergence in socio-communicative behaviors. Given that prior research on cognitive abilities has predominantly focused on male samples and evidence suggests that autistic females exhibit distinct social profiles (Cook et al., 2021; Dean et al., 2017; Hiller et al., 2016; Paolizzi et al., 2022), expanding knowledge in this area is critical. Accordingly, the second aim of this study is to outline future research directions to enhance its characterization. From a methodological point of view, current literature presents several limitations, one of the most prominent being small and unequal sample sizes, largely due to the limited availability of autistic females. One major methodological Review Journal of Autism and Developmental Disorders1 3 concern arising from unequal sample sizes is that it is often overlooked in statistical analyses. In many cases, samples with unequal variances are analyzed using statistical tests that assume homogeneity of variance, such as ANOVA, which can lead to reduced statistical power and an increased risk of Type I errors. This methodological limitation may impact the reliability and generalizability of findings, underscoring the need for more robust statistical approaches and larger, more balanced samples in future research. Additionally, only six out of the twenty-one studies considered included control groups, highlighting the necessity of appropriate controls to determine whether observed findings are specific to the autistic population or reflect sex-normative differences.

    A systematic review and future research directions of sex differences in cognitive abilities of autistic children and adolescents · 2026 · DOI

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687 open questions have been extracted from the limitations and future-work passages of 8,738 Autism Spectrum Disorder Research 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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