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Assessment of anxiety symptoms in autism spectrum disorders (ASD) is a challenging task due to the symptom overlap between the two conditions as well as the difficulties in communication and awareness of emotions in ASD. This motivates the development of a physiological marker of anxiety in ASD that is independent of language and does not require observation of overt behaviour. In this study, we investigated the feasibility of using indicators of autonomic nervous system (ANS) activity for this purpose. Specially, the objectives of the study were to 1) examine whether or not anxiety causes significant measurable changes in indicators of ANS in an ASD population, and 2) characterize the pattern of these changes in ASD. We measured three physiological indicators of the autonomic nervous system response (heart rate, electrodermal activity, and skin temperature) during a baseline (movie watching) and anxiety condition (Stroop task) in a sample of typically developing children (n = 17) and children with ASD (n = 12). The anxiety condition caused significant changes in heart rate and electrodermal activity in both groups, however, a differential pattern of response was found between the two groups. In particular, the ASD group showed elevated heart rate during both baseline and anxiety conditions. Elevated and blunted phasic electrodermal activity were found in the ASD group during baseline and anxiety conditions, respectively. Finally, the ASD group did not show the typical decrease in skin temperature in response to anxiety. These results suggest that 1) signals of the autonomic nervous system may be used as indicators of anxiety in children with ASD, and 2) ASD may be associated with an atypical autonomic response to anxiety that is most consistent with sympathetic over-arousal and parasympathetic under-arousal.

Background Including youth with disabilities and their families as partners in childhood disability research is imperative but can be challenging to do in an authentic and meaningful way. Simulation allows individuals to learn in a controlled environment and provides an opportunity to try new approaches. The objectives of the research study were to (1) codesign a suite of simulations and facilitation resources and understand how stakeholders engaged in the codesign process; and (2) describe the principles of authentic and meaningful research engagement as identified by stakeholders. Methods Interdisciplinary stakeholder groups, including youth with disabilities, parents, researchers, and trainees, codesigned simulation training videos by developing shared storylines about challenges with research engagement that were then performed and digitally recorded with standardized patient actors. Two forms of data were collected: (1) observations via field notes and video recordings were analyzed to understand the codesign process; and (2) interviews were analyzed to understand principles of authentic and meaningful engagement. Results Four simulation training videos were developed, and topics included: (1) forming a project team; (2) identifying project objectives and priorities; (3) reviewing results; and (4) navigating concerns about knowledge translation. Thirteen participants participated in the simulation codesign; nine of whom consented to be observed in the codesign process and seven who completed follow up interviews. We identified two themes about authentic and meaningful engagement in research: (1) whether the invitation to engage on a project was authentic and meaningful or was extended to ‘tick a box’; and (2) whether there were authentic and meaningful opportunities to contribute (e.g., valued contributions aligned with people’s lived experience, skills, and interests) or if they only served as a ‘rubber stamp’. Communication and expectations tied the ‘tick box’ and ‘rubber stamp’ themes together and underlie whether engagement was authentic and meaningful. Conclusions For research engagement to be authentic and meaningful, researchers and families need to set clear expectations, build rapport, have tangible supports, use clear communication, and build time and space to work together. Future work will explore the utility of the simulations and whether they improve knowledge and attitudes about authentic and meaningful engagement in research. Plain English summary Researchers, patients, and families who collaborate in childhood disability research can benefit from training on how to engage with each other authentically and meaningfully, i.e., where all parties feel supported and valued. We used a codesign approach to identify aspects of the research process where challenges might arise between researchers, patients, and families and then developed four videos with scenarios that mimic these challenges. Codesign is a collaborative approach in which different perspectives and relationships are prioritized while working to achieve a common aim. First, researchers, youth with disabilities, families, and trainees each identified challenges they had previously experienced in research engagement and used those to create one common scenario as the premise of each video. In follow up interviews, we asked a subset (7 people) of those who took part (13 people) about their experience in the co-design process and about what it means to engage in research where all parties feel supported and valued. Participants said that being invited to partner on research teams needed to be more than just a ‘tick box’ and even when invited onto research teams, they often lacked ways to contribute in a way where they felt valued. Engagement felt like a ‘rubber stamp’ when they were asked to contribute in a narrow way that did not align with the fullness of their lived experience, skills, and interests. Clear communication and mutual expectations were important for engagement to happen in a way that felt supportive and valuable. We suggest that researchers and families need to set clear expectations, build rapport, have tangible supports, use clear communication, and build time and space to work together.

Background In 2019, our interdisciplinary team of researchers, family members, and youth co-designed four simulation training videos and accompanying facilitation resources to prepare youth, family members, trainees, and researchers to build the knowledge and skills to engage in patient-oriented research (POR) authentically and meaningfully. Videos covered challenges in aspects of the research process including (1) forming a project team; (2) identifying project objectives and priorities; (3) agreeing on results; and (4) carrying out knowledge translation. Methods The purpose of the study was to deliver four simulation training videos across 2 two-hour facilitated workshops with researchers, trainees, and family partners. We evaluated whether the training videos and facilitated discussion of the simulations helped to improve knowledge and attitudes about authentic and meaningful partnership in research and self-perceived ability to engage in POR. An explanatory sequential two-phase mixed methods design was used. Phase 1 (quantitative) included two training workshops and a pre/post-training survey. Phase 2 (qualitative) included two qualitative focus groups. Results of each phase were analyzed separately and then combined during interpretation. Results Sixteen individuals (including researchers/research staff, trainees, family members, clinicians) took part in this research study. Overall, participants were highly receptive to the training, providing high scores on measures of acceptability, appropriateness, and feasibility. While the training videos and facilitated discussion of the simulations were found to increase participants’ knowledge and ability to engage in authentic and meaningful POR, we found no significant change in attitude or intent. Recommendations about the simulation content and delivery were provided to inform for future use. Conclusions The simulations were found to be a positive and impactful way for collaborative research teams to build knowledge and ability to engage in authentic and meaningful POR. Recommendations for future work include covering different content areas with varying levels of nuance; and offering the training to stakeholders in a variety of roles, such as those higher-ranked academic positions. Plain English summary In 2019, our team of researchers, family members, and youth worked together to design and develop four digitally recorded simulation videos that can be used to train youth, caregivers/families, trainees, and researchers to engage with each other in research so that all parties feel supported and valued. This paper describes how the four simulation videos were packaged in the training and then delivered to 16 participants (researchers, trainees, and caregivers/families). We used multiple ways to evaluate the videos and training, including a survey before and after the training, focus groups with participants after the training, and written reflections shared by the training facilitators after the training was finished. We found that the simulation videos increased participants’ knowledge on engagement and their self-reported ability to engage in authentic and meaningful patient-oriented research. Participants rated their belief in engagement and their intent to engage in collaborative research highly at the pre-test and this remained consistent at the post-test. Participants liked that the simulations focused on challenges in research engagement and that the training was offered to researchers and family partners together. They provided valuable feedback on what we should change about the simulations, including the content, which should have less exaggerated lessons and to add more topics. They also suggested it would be helpful if stakeholders other than just the research team complete the training in the future, especially those who are in higher positions of academic power.

Background The importance of engaging parents in health research as co‐researchers is gaining growing recognition. While a number of benefits of involving parents as co‐researchers have been proposed, guidelines on exactly how effective engagement can be achieved are lacking. The objectives of this scoping review were to (i) synthesize current evidence on engaging parents as co‐researchers in health research; (ii) identify the potential benefits and challenges of engaging parent co‐researchers; and (iii) identify gaps in the literature. Methods A scoping literature review was conducted using established methodology. Four research databases and one large grey literature database were searched, in addition to hand‐searching relevant journals. Articles meeting specific inclusion criteria were retrieved and data extracted. Common characteristics were identified and summarized. Results Ten articles were included in the review, assessed as having low‐to‐moderate quality. Parent co‐researchers were engaged in the planning, design, data collection, analysis and dissemination aspects of research. Structural enablers included reimbursement and childcare. Benefits of engaging parent co‐researchers included enhancing the relevance of research to the target population, maximizing research participation and parent empowerment. Challenges included resource usage, wide‐ranging experiences, lack of role clarity and power differences between parent co‐researchers and researchers. Evaluation of parent co‐researcher engagement was heterogeneous and lacked rigour. Conclusions A robust evidence base is currently lacking in how to effectively engage parent co‐researchers. However, the review offers some insights into specific components that may form the basis of future research to inform the development of best practice guidelines.

Assessment of anxiety symptoms in autism spectrum disorders (ASD) is a challenging task due to the symptom overlap between the two conditions as well as the difficulties in communication and awareness of emotions in ASD. This motivates the development of a physiological marker of anxiety in ASD that is independent of language and does not require observation of overt behaviour. In this study, we investigated the feasibility of using indicators of autonomic nervous system (ANS) activity for this purpose. Specially, the objectives of the study were to 1) examine whether or not anxiety causes significant measurable changes in indicators of ANS in an ASD population, and 2) characterize the pattern of these changes in ASD. We measured three physiological indicators of the autonomic nervous system response (heart rate, electrodermal activity, and skin temperature) during a baseline (movie watching) and anxiety condition (Stroop task) in a sample of typically developing children (n = 17) and children with ASD (n = 12). The anxiety condition caused significant changes in heart rate and electrodermal activity in both groups, however, a differential pattern of response was found between the two groups. In particular, the ASD group showed elevated heart rate during both baseline and anxiety conditions. Elevated and blunted phasic electrodermal activity were found in the ASD group during baseline and anxiety conditions, respectively. Finally, the ASD group did not show the typical decrease in skin temperature in response to anxiety. These results suggest that 1) signals of the autonomic nervous system may be used as indicators of anxiety in children with ASD, and 2) ASD may be associated with an atypical autonomic response to anxiety that is most consistent with sympathetic over-arousal and parasympathetic under-arousal.

To better understand Zaire ebolavirus (ZEBOV) circulation and transmission to humans, we conducted a large serological survey of rural populations in Gabon, a country characterized by both epidemic and non epidemic regions. The survey lasted three years and covered 4,349 individuals from 220 randomly selected villages, representing 10.7% of all villages in Gabon. Using a sensitive and specific ELISA method, we found a ZEBOV-specific IgG seroprevalence of 15.3% overall, the highest ever reported. The seroprevalence rate was significantly higher in forested areas (19.4%) than in other ecosystems, namely grassland (12.4%), savannah (10.5%), and lakeland (2.7%). No other risk factors for seropositivity were found. The specificity of anti-ZEBOV IgG was confirmed by Western blot in 138 individuals, and CD8 T cells from seven IgG+ individuals were shown to produce IFN-gamma after ZEBOV stimulation. Together, these findings show that a large fraction of the human population living in forested areas of Gabon has both humoral and cellular immunity to ZEBOV. In the absence of identified risk factors, the high prevalence of \"immune\" persons suggests a common source of human exposure such as fruits contaminated by bat saliva. These findings provide significant new insights into ZEBOV circulation and human exposure, and raise important questions as to the human pathogenicity of ZEBOV and the existence of natural protective immunization.

Background and aimsSupporting arbuscular mycorrhizal (AM) nutrient acquisition in crops may reduce the need for fertilizer inputs, leading to more cost effective and sustainable crop production. In wheat, AM fungal responsiveness and benefits of symbiosis vary among varieties. This study explored the role of soil compaction in this variation.MethodsWe examined in a field experiment how soil compaction affects AM fungal colonization and biomass in five spring wheat varieties, and how these varieties differ in their AM-mediated phosphorus (P) uptake. We also studied soil properties, and AM fungal community composition in roots and soil.ResultsSoil compaction increased AM fungal colonization in the variety Alderon, characterized by root traits that indicate inefficient P uptake. Wheat P concentration and P:N ratio in Alderon and Diskett increased with increased root AM fungal colonization and biomass. In Diskett, which is the most cultivated spring wheat variety in Sweden and has intermediate root traits, total P content per m2 also increased with root AM fungal colonization and biomass.ConclusionsSome wheat varieties, potentially those characterized by P inefficient root traits, such as Alderon, may depend more on AM-mediated P uptake in compacted than in non-compacted soil. Increased P uptake with increased AM fungal colonization in Diskett suggests that efficient root and AM-mediated nutrient uptake can occur simultaneously in a modern variety. Breeding varieties that use roots and AM symbiosis as complementary strategies for nutrient uptake could improve nutrient uptake efficiency and help farmers achieve stable yields in varying conditions.

(2010) Correction: High Prevalence of Both Humoral and Cellular Immunity to Zaire ebolavirus among Rural Populations in Gabon. No competing interests declared.