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Research regarding autistic children's sibling relationship quality is mixed, although some literature suggests poorer quality compared to children with other disabilities or who are neurotypical. Little is known about how the clinical characteristics of autistic children relate to parent perceptions of sibling relationship quality. We drew data from a subsample of 119 children on the autism spectrum, ages 10-11 years, from an ongoing longitudinal study. Hierarchical multiple regressions tested the extent to which children's autism symptoms, behavioral difficulties, and communication abilities related to four domains of parent-rated sibling relationship quality. We also examined communication ability as a moderator of the effect of behavioral difficulties on parent-rated sibling relationship quality. More severe autism symptoms were associated with lower levels of conflict and rivalry, whereas higher communication ability was related to more relative status/power, but also conflict. Communication ability moderated the effect of behavioral difficulties such that behavioral difficulties were more closely associated with less warmth/closeness when children had weaker communication skills; behavioral difficulties were not significantly associated with other domains of sibling relationship quality. Findings underscore the importance of considering clinical characteristics and multiple domains of relationship quality to better understand how parents view the relationships between autistic children and their siblings.

Understanding the types of intervention practices familiar to transdisciplinary autism spectrum disorder providers may be critical to characterize and optimize "usual care" for common clinical concerns (e.g. internalizing, externalizing, and social challenges) among school- and transition-age autistic youth. We assessed if there is an underlying factor structure to expert providers' familiarity with such practices, and if characteristics of experts (discipline, years' experience, and school setting) and/or their clients (age and intellectual disability) predicted these factors. Fifty-three expert providers rated their familiarity with 55 practices via an online Delphi poll. Exploratory structural equation modeling identified latent factors of familiarity, which were regressed onto provider and client variables to identify predictors. Four factors emerged: two approaches (cognitive and behavioral) and two strategies (engagement and accessibility). Cognitive approaches were associated with practicing outside school settings and treating clients without intellectual disability, behavioral approaches with practicing in schools and the disciplines of clinical psychology and behavior analysis, engagement strategies with practicing outside school settings, and accessibility strategies with more years in practice. Findings suggest expert transdisciplinary autism spectrum disorder providers are familiar with many of the same approaches and that differences in knowledge are predicted by their discipline, treatment setting, experience, and work with youth with intellectual disabilities. [This article was co-authored with the UCAS Consortium including: Amy Drahota, Latha Soorya, Allison Wainer, Matthew D. Lerner, Lauren J. Moskowitz, Elizabeth Cohn, and Connor M. Kerns.]

The stressors autistic individuals encounter and experience as traumatic may vary from non-autistics. We conducted a qualitative study to identify potential sources of trauma for autistic individuals and evaluate correspondence with a standard measure. We enrolled autistic adults (N = 14) and caregivers (N= 15) with varied adversities, levels of functioning, and socio-demographics. Participants completed standard measures of autism, traumatic exposures and stress, and qualitative interviews, which were submitted to thematic analysis. A wide range of experiences were described as traumatic. Whereas some reflected traditional traumas (e.g. maltreatment) and forms of social marginalization, others reflected conflicts between autistic characteristics and the environment (e.g. sensory trauma). All adults and caregivers described sources of trauma in interviews not captured by standardized measures. Varied stressful experiences, many not detected by a standardized measure, may have a traumatic effect on autistic individuals. Whereas some reflect commonly recognized trauma sources, others may reflect particular vulnerabilities for autistic individuals. Results have implications for assessing traumatic events and understanding their contribution to mental health inequities in the autistic population.

Objective: To evaluate how distinct presentations of anxiety symptoms and intellectual impairment influence the measurement and estimated rate of clinically significant anxiety in autism spectrum disorder (ASD).Method: The sample included 75 children (ages 9-13 years) with ASD and varied IQ and 52 typically developing (TD) controls and parents. Parents completed anxiety symptom scales and a diagnostic interview, designed to (1) differentiate anxiety and ASD and (2) examine DSM-specified and unspecified ("distinct") anxiety presentations in each child, including fears of change, special interests, idiosyncratic stimuli and social confusion rather than evaluation. Children completed standard intellectual and ASD diagnostic assessments.Results: 69% of those with ASD had clinically-significant anxiety, including 21% DSM-specified anxiety disorders, 17% distinct anxiety, and 31% both. Only 8% of TD children had clinically-significant anxiety, all DSM-specified. DSM-specified anxiety disorders in children with ASD and intellectual impairment (IQ

Many caregivers of autistic people experience mental health issues, and the impact of disruptions due to COVID-19 may present additional challenges for these individuals. This study characterized caregiver stress, anxiety, and resilient coping during COVID-19 and investigated the impact of COVID-19 disruptions, demographic variables, and resilient coping on mental health. The majority of caregivers reported some degree of disruption associated with COVID-19, and more than half reported moderate levels of stress and high anxiety. Resilient coping did not emerge as a moderator between COVID-19 disruptions and caregiver mental health, but instead had a direct effect on outcomes. Future research is needed to understand additional factors impacting the mental health of caregivers of autistic people during the COVID-19 pandemic.

Anxiety/obsessive-compulsive disorders are common among youth with autism spectrum disorder (ASD). Two versions of cognitive behavior therapy (CBT) are effective, with some advantage for a personalized, adapted version. This study evaluated predictors and moderators of standard CBT and adapted CBT. Youth (N = 167) ages 7-13 were randomized to standard or adapted CBT, or treatment-as-usual. Age, IQ, ASD severity, and emotional-behavioral symptom severity were examined. More severe internalizing and emotional-behavioral problems predicted poorer treatment outcomes especially in standard versus personalized CBT. Elevated repetitive behaviors and restricted interests predicted poorer treatment outcomes across treatments, though youth with "moderate" repetitive behaviors and restricted interested experienced poorer outcomes only in standard but not personalized CBT. Externalizing symptoms directly predicted treatment outcomes. Older age predicted improved outcomes in adapted but not standard CBT. Findings highlight the need for further treatment refinements and the value in adapting treatment for youth with more complex presentations.

This study examined the trajectories of autistic symptom severity in an inception cohort of 187 children with ASD assessed across four time points from diagnosis to age 10. Trajectory groups were derived using multivariate cluster analysis. A two trajectory/cluster solution was selected. Change in trajectory slopes revealed a "turning point" marked by plateauing in symptom reduction during the period of transition to school (age 6) for one of the two trajectories. Trajectories were labelled: "Continuously Improving" (27%) and "Improving then Plateauing" (73% of sample). Children in the two trajectories differed in levels of symptom severity, language, cognitive, and adaptive functioning skills. Study findings can inform the development of more personalized services for children with ASD transitioning into the school system.

Objective: To evaluate how distinct presentations of anxiety symptoms and intellectual impairment influence the measurement and estimated rate of clinically significant anxiety in autism spectrum disorder (ASD).Method: The sample included 75 children (ages 9-13 years) with ASD and varied IQ and 52 typically developing (TD) controls and parents. Parents completed anxiety symptom scales and a diagnostic interview, designed to (1) differentiate anxiety and ASD and (2) examine DSM-specified and unspecified ("distinct") anxiety presentations in each child, including fears of change, special interests, idiosyncratic stimuli and social confusion rather than evaluation. Children completed standard intellectual and ASD diagnostic assessments.Results: 69% of those with ASD had clinically-significant anxiety, including 21% DSM-specified anxiety disorders, 17% distinct anxiety, and 31% both. Only 8% of TD children had clinically-significant anxiety, all DSM-specified. DSM-specified anxiety disorders in children with ASD and intellectual impairment (IQ

Many caregivers of autistic people experience mental health issues, and the impact of disruptions due to COVID-19 may present additional challenges for these individuals. This study characterized caregiver stress, anxiety, and resilient coping during COVID-19 and investigated the impact of COVID-19 disruptions, demographic variables, and resilient coping on mental health. The majority of caregivers reported some degree of disruption associated with COVID-19, and more than half reported moderate levels of stress and high anxiety. Resilient coping did not emerge as a moderator between COVID-19 disruptions and caregiver mental health, but instead had a direct effect on outcomes. Future research is needed to understand additional factors impacting the mental health of caregivers of autistic people during the COVID-19 pandemic., Author(s): Kelsey A. Friesen [sup.1] [sup.2] , Jonathan A. Weiss [sup.3] , Stephanie J. Howe [sup.1] [sup.2] , Connor M. Kerns [sup.4] , Carly A. McMorris [sup.1] [sup.2] Author Affiliations: [...]

Anxiety/obsessive-compulsive disorders are common among youth with autism spectrum disorder (ASD). Two versions of cognitive behavior therapy (CBT) are effective, with some advantage for a personalized, adapted version. This study evaluated predictors and moderators of standard CBT and adapted CBT. Youth (N = 167) ages 7-13 were randomized to standard or adapted CBT, or treatment-as-usual. Age, IQ, ASD severity, and emotional-behavioral symptom severity were examined. More severe internalizing and emotional-behavioral problems predicted poorer treatment outcomes especially in standard versus personalized CBT. Elevated repetitive behaviors and restricted interests predicted poorer treatment outcomes across treatments, though youth with 'moderate' repetitive behaviors and restricted interested experienced poorer outcomes only in standard but not personalized CBT. Externalizing symptoms directly predicted treatment outcomes. Older age predicted improved outcomes in adapted but not standard CBT. Findings highlight the need for further treatment refinements and the value in adapting treatment for youth with more complex presentations. Trial Registration Clinicialtrials.gov: NCT02028247; https://clinicaltrials.gov/ct2/show/NCT02028247., Author(s): Eric A. Storch [sup.1] , Jeffrey J. Wood [sup.2] , Andrew G. Guzick [sup.1] , Brent J. Small [sup.3] , Connor M. Kerns [sup.4] , D. Luis Ordaz [sup.5] [...]

This study investigated rates of suicidal ideation (SI) and suicidal and/or self-injurious behaviour (SSIB) reported by parents on the Child Behavior Checklist for 178 children with ASD over four annual assessments (ages 7-11 years). Analyses examined the frequency and persistence of SI and SSIB, and the association of SI and SSIB at any time point with child characteristics and internalizing and externalizing problems at age 7. SI occurred in 9.6% of children and was associated with fewer ASD symptoms and better adaptive functioning at age 7. SSIB occurred in 14.6% and was associated with poorer adaptive functioning and more externalizing behaviour at age 7. Internalizing problems were not associated with SI or SSIB at any time point. SI and SSIB rarely co-occurred (4%).

Using a cross-sectional survey of 673 multidisciplinary autism spectrum disorder providers recruited from five different sites in the United States, we examined the frequency with which community-based providers inquire about, screen, and treat trauma-related symptoms in their patients/students and assessed their perceptions regarding the need for and barriers to providing these services. Univariate and bivariate frequencies of self-reported trauma service provision, training needs, and barriers were estimated. Multivariable logistic regressions identified provider and patient-related factors associated with trauma-related symptoms screening and treatment. Over 50% of providers reported some screening and treatment of trauma-related symptoms in youth with autism spectrum disorder. Over 70% informally inquired about trauma-related symptoms; only 10% universally screened. Screening and treatment varied by provider discipline, setting, amount of interaction, and years of experience with autism spectrum disorder, as well as by patient/student sex, ethnicity, and socioeconomic status. Most providers agreed that trauma screening is a needed service impeded by inadequate provider training in trauma identification and treatment. The findings indicate that community providers in the United States of varied disciplines are assessing and treating trauma-related symptoms in youth with autism spectrum disorder, and that evidence-based approaches are needed to inform and maximize these efforts. [The article was also written by the Usual Care for Austism (UCAS) Consortium.]

Many autistic children experience changes in core symptom severity across middle childhood, when co-occurring mental health conditions emerge. We evaluated this relationship in 75 autistic children from 6 to 11 years old. Autism symptom severity change was evaluated for total autism symptoms using the autism diagnostic observation schedule calibrated severity score, as well as social-communication symptoms calibrated severity score, and restricted/repetitive behaviors calibrated severity score. Children were grouped based on their symptom severity change patterns. Mental health symptoms (attention-deficit hyperactivity disorder, anxiety, disruptive behavior problems) were assessed via parental interview and questionnaire and compared across the groups. Co-occurring mental health symptoms were more strongly associated with change in social-communication symptom or restricted/repetitive behavior severity than with total autism symptom severity. Two relevant groups were identified. The social-communication symptom-increasing-severity-group (21.3%) had elevated and increasing levels of anxiety, attention-deficit hyperactivity disorder, and disruptive behavior problems compared with children with stable social-communication symptom severity. The restricted/repetitive behavior-decreasing-severity-group (22.7%) had elevated and increasing levels of anxiety; 94% of these children met criteria for an anxiety disorder. Autism symptom severity change during middle childhood is associated with co-occurring mental health symptoms. Children that increase in social-communication symptom severity are also likely to demonstrate greater psychopathology, while decreases in restricted/repetitive behavior severity are associated with higher levels of anxiety. For many autistic children, the severity of their autism symptoms changes during middle childhood. We studied whether these changes are associated with the emergence of other mental health challenges such as anxiety and attention-deficit hyperactivity disorder. Children who had increased social-communication challenges had more anxiety and attention-deficit hyperactivity disorder symptoms and disruptive behavior problems than other children. Children who decreased their restricted and repetitive behaviors, on the contrary, had more anxiety. We discuss why these changes in autism symptoms may lead to increases in other mental health concerns. [ABSTRACT FROM AUTHOR]

Symptoms of autism spectrum disorder may influence alliance in psychotherapy. This study examined therapeutic alliance and its relationship with child characteristics and anxiety treatment outcomes in youth with autism spectrum disorder. Youth (N = 64) with autism spectrum disorder and co-occurring anxiety (7-16 years, IQ > 70) received 16 sessions of modular cognitive-behavioral therapy. Post-treatment therapist, youth and parent ratings of alliance as well as pre- and post-treatment ratings of child behavior were gathered. Ratings of alliance were commensurate to ratings seen in children without autism spectrum disorder. Measures of treatment outcome, but not pretreatment characteristics, were significantly associated with therapist ratings of alliance strength. Data suggest that therapeutic alliance may not be impaired in anxious youth with autism spectrum disorder and may be associated with treatment outcome.

Recent studies suggest that longstanding findings of abnormal amygdala morphology in ASD may be related to symptoms of anxiety. To test this hypothesis, fifty-three children with ASD (mean age = 11.9) underwent structural MRI and were divided into subgroups to compare those with at least one anxiety disorder diagnosis (n = 29) to those without (n = 24) and to a typically developing control group (TDC; n = 37). Groups were matched on age and intellectual level. The ASD and anxiety group showed decreased right amygdala volume (controlled for total brain volume) relative to ASD without anxiety (p = 0.04) and TDCs (p = 0.068). Results suggest that youth with ASD and co-occurring anxiety have a distinct neurodevelopmental trajectory.

Researchers increasingly employ longitudinal trajectory methods to understand developmental pathways of people on the autism spectrum across the lifespan. By assessing developmental or health-related outcome domains at three or more timepoints, trajectory studies can characterize their shape and varying rates of change over time. The purpose of this scoping review was to identify and summarize the published breadth of research that uses a trajectory study design to examine development in children (to age 18 years) diagnosed with autism. Using a systematic search and screening procedure, 103 studies were included. This review summarizes methodological characteristics across studies including the varying statistical approaches used. A series of figures maps where published research is available across 10 outcome domains and the ages over which children have been followed. Evidence gaps, informed by the perspectives of the autistic and caregiver stakeholders that were engaged in this review, are discussed. We recommend that future trajectory research addresses the absence of studies from low- and middle-income countries, considers longitudinal assessment of outcome domains that caregivers and autistic people consider meaningful, and plans follow-up periods with assessment timepoints that cover the gaps in ages where more outcome-specific data are needed. The types of outcomes studied in children on the autism spectrum include clinical characteristics, such as social functioning, communication, language, or autism symptoms. Research that measures these outcomes at multiple timepoints is useful to improve our understanding of what to expect as children develop. In trajectory studies, researchers assess outcomes at three or more timepoints. This method has advantages over two-timepoint studies because it allows researchers to describe changes in the speed of development, such as accelerations, plateaus, or slowdowns. We identified and reviewed 103 published trajectory studies in children (to age 18 years) with an autism diagnosis. Importantly, we did not include studies of treatments or their effects, nor did we summarize the results of studies. Instead, this review summarizes the characteristics of the available published research, including the methods used, the many different outcomes that have been studied over time and the ages over which they have been studied. This summary may be of interest to autistic people and caregivers (parents) who want to know about the existence of research that provides answers about what to expect during an autistic child's development. We have recommended that future trajectory research efforts try to make up for the lack of studies from low- and middle-income countries; that more attention is given to the following outcomes that are meaningful to caregivers and autistic people; and to try to fill in the age gaps where more outcome-specific data are needed. [ABSTRACT FROM AUTHOR]

Cognitive–behavioral therapy (CBT) is an effective treatment for anxiety in youth with autism spectrum disorder (ASD). However, research has yet to examine what cognitive characteristics may influence treatment response. The current study investigated decision-making ability and social cognition as potential (a) predictors of differential treatment response to two versions of CBT and (b) moderators of the effect of treatment condition. The study included 148 children (mean age = 9.8 years) with interfering anxiety and a diagnosis of ASD who were enrolled in a randomized clinical trial comparing two versions of CBT for anxiety (standard and adapted for ASD). Participants completed pretreatment measures of decision-making ability (adapted Iowa Gambling Task) and social cognition (Strange Stories) and analyses tested whether task performance predicted treatment response across and between (moderation) treatment conditions. Our findings indicate that decision-making ability moderated treatment outcomes in youth with ASD and anxiety, with a better decision-making performance being associated with higher post-treatment anxiety scores for those who received standard, not adapted, CBT. Children with ASD and anxiety who are more sensitive to reward contingencies and reinforcement may benefit more from adapted CBT approaches that work more explicitly with reward. [ABSTRACT FROM AUTHOR]

This study examined the extent to which clinical and demographic characteristics predicted outcome for children with autism spectrum disorder. Participants included 152 students with autism spectrum disorder in 53 kindergarten-through-second-grade autism support classrooms in a large urban public school district. Associations between child characteristics (including age, language ability, autism severity, social skills, adaptive behavior, co-occurring psychological symptoms, and restrictive and repetitive behavior) and outcome, as measured by changes in cognitive ability following one academic year of an intervention standardized across the sample were evaluated using linear regression with random effects for classroom. While several scales and subscales had statistically significant bivariate associations with outcome, in adjusted analysis, only age and the presence of symptoms associated with social anxiety, such as social avoidance and social fearfulness, as measured through the Child Symptom Inventory-4, were associated with differences in outcome. The findings regarding the role of social anxiety are new and have important implications for treatment. Disentangling the construct of social anxiety to differentiate between social fearfulness and social motivation has important implications for shifting the focus of early treatment for children with autism spectrum disorder.

Recent studies suggest that longstanding findings of abnormal amygdala morphology in ASD may be related to symptoms of anxiety. To test this hypothesis, fifty-three children with ASD (mean age = 11.9) underwent structural MRI and were divided into subgroups to compare those with at least one anxiety disorder diagnosis (n = 29) to those without (n = 24) and to a typically developing control group (TDC; n = 37). Groups were matched on age and intellectual level. The ASD and anxiety group showed decreased right amygdala volume (controlled for total brain volume) relative to ASD without anxiety (p = .04) and TDCs (p = .068). Results suggest that youth with ASD and co-occurring anxiety have a distinct neurodevelopmental trajectory., Author(s): John D. Herrington [sup.1] [sup.2] , Brenna B. Maddox [sup.1] , Connor M. Kerns [sup.4] [sup.5] , Keiran Rump [sup.2] , Julie A. Worley [sup.6] , Jennifer C. Bush [...]

Anxiety disorders in autistic children are associated with significant functional impairment. Few studies have examined impairing anxiety presentations in autistic preschool children (i.e., 3–5 years old). This cross‐sectional study examined the phenomenology of impairing anxiety and the strongest correlates of anxiety in 75 autistic preschool children. Parents completed a diagnostic interview that assesses two anxiety types, DSM‐5 anxiety disorders and impairing distinct anxiety presentations, and measures of anxiety correlates. An exploratory network analysis examined connections between anxiety and its correlates. Forty percent of children had impairing anxiety. Specific phobia followed by 'other social fear,' a type of distinct anxiety, were the most common anxiety types. Child intolerance of uncertainty (IU) was the only correlate that was associated with anxiety in a network analysis framework. Child IU linked anxiety to two other correlates, sensory over‐responsivity and somatic symptoms. Findings emphasize the need for early intervention for anxiety and further research on its correlates. Lay Summary: This study examines the types of anxiety in autistic preschool children and what factors are associated with anxiety. Results showed that 40% of children had anxiety that interfered with functioning. Child intolerance of uncertainty had a strong association with anxiety was the link between sensory over‐responsivity and somatic symptoms. These findings emphasize the importance of treating anxiety in preschool autistic children and further research on what factors contribute to anxiety. [ABSTRACT FROM AUTHOR]