A decision-making style characterized by a drive to avoid potential loss rather than to seek possible reward may help decision making for ASD in some situations, but ultimately hinder functioning in relation to prosocial engagement and other complex situations where gain rather than punishment is the most effective motivating factor.
An important aspect of successful emotion regulation is the ability to adjust emotional responses to changing environmental cues. Difficulties with such adaptation may underlie both marked symptoms of behavioral inflexibility and frequent severe anxiety in the autism spectrum disorders (ASDs). Thirty children and adolescents diagnosed with ASD and 29 age- and intelligence quotient-matched controls completed a reversal learning paradigm following partial reinforcement Pavlovian fear conditioning, using a surprising air puff as the unconditioned stimulus. After initial reversal of cue contingencies, where a previously safe cue now predicted the air puff threat, the control group but not the ASD group responded more strongly to the new threat cue. The ASD group showed evidence for reversal learning only during later trials. Reversal learning in the ASD group was significantly negatively correlated with everyday symptoms of behavioral inflexibility but not with everyday anxiety. Understanding shared associations between inflexibility, anxiety, and autism, with regard both to clinical symptoms and neurobiological mechanisms, can provide important markers for better characterizing the substantial heterogeneity across the autism spectrum.
Introduction: Patient groups who pose behavioral challenges during dental attendance may be offered more restricted dental treatment options. Unsuccessful participation with dental visit tasks and demands has been commonly reported for autistic children. Objectives: This study aimed to examine parental perceptions of difficulties associated with dental attendance and oral care for autistic children and young adults, to highlight reported challenges and potential adaptations, and to identify interventions that will encourage positive experiences of dental attendance. Methods: Qualitative data were gathered through 2 focus groups with parents of primary school and secondary school pupils with autism, interviewed in separate groups. Questions about parents’ perceptions of dental attendance and oral care were asked. The groups were audio-recorded and transcribed verbatim. The transcripts were analyzed and initial codes generated. Development of subthemes and themes followed a process of thematic analysis. Results: Parental perceptions, which confirmed data from other studies, included the need for understanding and training, awareness of sensory issues, recognition of the individuality of autistic traits, time and clarity for communication, and factors affecting the confidence of parents to advocate in the clinical environment. Focus group participants identified the critical value of empathizing with an autistic perspective and highlighted the importance of positive oral health messages. They also noted the lack of understanding regarding the complexity of altering self-imposed, ritualistic dietary regimes and attempting to enact good dental preventive habits for their children. Conclusions: Analysis of data from parent focus groups provided a greater understanding of the needs and responsivity required for successful dental visits for autistic children and young adults. A range of potential interventions was identified and incorporated within a model of needs. Interventions based on Partnership Working, System Change, and Training of Dental Staff could be effective in reducing challenges posed by dental attendance for many children with autism. Knowledge Transfer Statement: Sensory sensitivities, communication difficulties, comorbid intellectual disability, and dental anxiety are barriers to successful participation during dental attendance for autistic children. This research proposes that interventions supporting Partnership Working, System Change, and Training of Dental Staff can reduce challenges posed by dental attendance. The model of interventions developed as part of this project can be used by oral care teams to help reduce barriers and improve the success of dental visits for autistic children.
We measured skin conductance response (SCR) to escalating levels of a direct social threat from a novel, ecologically-relevant experimental paradigm, the Intruder Threat Task. We simultaneously evaluated the contribution of social symptom severity and behavioral movement. Children with AS group showed less psychophysiological reactivity to social threat than controls across all three phases of the experiment. In the AS group, greater social impairment was significantly associated with reduced SCR. However, movement activity predicted SCR while diagnosis did not. Research and treatment need to account for the complex interplay of emotional reactivity and social behavior in AS. Psychophysiology studies of AS should consider the impact of possible confounds such as movement.
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