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Modeling the Cognitive Mechanisms Linking Autism Symptoms and Anxiety in Adults
Emotional acceptance, alexithymia, and intolerance of uncertainty (IU) contribute to anxiety disorders in neurotypical populations. Their association with anxiety in people diagnosed with autism spectrum disorder (ASD) has not been studied. We aimed to model the contributions of these constructs on the relationship between dimensional measures of autism and anxiety. Participants were 151 adults recruited from 2 sites, including those diagnosed with ASD (n = 76) and a matched comparison group (n = 75). All participants completed a battery of questionnaires measuring core autism symptoms, anxiety, emotional acceptance, alexithymia, and intolerance of uncertainty. Structural equation modeling with mediation was used to examine directional relationships among these variables. Autism symptoms directly predicted less emotional acceptance and increased alexithymia and IU. Alexithymia and acceptance were shown to explain 64% of the effect between autism symptom severity and anxiety level. This suggests that people with ASD experience increased levels of anxiety because they are more likely to react aversively to their emotional experiences, while lacking the ability to identify and understand their emotions. Developing and implementing mindfulness-based interventions aimed at assuaging alexithymia and IU, while increasing emotional acceptance, may be especially helpful in treating anxiety in ASD
Case formulationâA vehicle for change? Exploring the impact of cognitive behavioural therapy formulation in first episode psychosis: A reflexive thematic analysis
Objectives:
Formulation is considered a fundamental process of cognitive behavioural therapy for psychosis (CBTp). However, an exploration into the personal impact of different levels of case formulation (CF) from a service user perspective (SU) is lacking, particularly for those experiencing a first episode of psychosis.
Design:
This Big Q qualitative design used semi-structured interviews.
Methods:
Reflexive thematic analysis (TA) was used to analyse 10 participant interviews. NVivo 12 computer-assisted qualitative data analysis software aided data organisation and analysis.
Results:
One overarching theme âCF â A vehicle for change?â was developed as a pattern of shared meaning across the data set. Three main themes related to the overarching theme: (1) Vicious cycles: âI never really thought about it being me maintaining the problemsâ (including one subtheme â Self-empowerment: âOnly you can make the changes for yourselfâ); (2) Early life experiences: âMy experiences have shaped the person that I am, therefore, it's not my faultâ (including one subtheme â Disempowerment: â[My] core beliefs have been damagedâ); and (3) Keep it simple: âDon't push it too far over the top in case it becomes like spaghettiâ.
Conclusions:
Maintenance formulations may be experienced as self-blaming, but also self-empowering, which may help to facilitate change. Longitudinal formulations may be experienced as non-blaming, but also disempowering, which may inhibit change. Simple CF diagrams may also facilitate change, whereas overly complex CFs may inhibit change. How CBTp therapists might look to improve the impact of different levels of CF for service users (SUs) in first episode psychosis (FEP) are described
Relations among restricted and repetitive behaviors, anxiety and sensory features in children with autism spectrum disorders
The purpose of this study was to explore how atypical reactions to sensory stimuli contribute to the relation between restricted and repetitive behaviors and anxiety in children with autism spectrum disorders (ASD). In Study 1, factor analysis of restricted and repetitive behaviors was carried out using the Repetitive Behavior Questionnaire-2 (RBQ-2), completed by 120 parents of 2- to 17-year-olds with ASD. Two subtypes resulted: repetitive sensory and motor behaviors, and insistence on sameness, accounting for 40% of the variance. This two-factor solution was retained even when the sensory items of the RBQ-2 were removed. In Study 2, 49 of the same parents also completed the Spence Anxiety Scales and the Sensory Profile. The insistence on sameness factor was significantly associated with anxiety while the repetitive motor behaviors factor was not. The relation between anxiety and insistence on sameness was mediated by sensory avoiding and to a lesser extent by sensory sensitivity. Implications for arousal explanations of ASD and for clinical practice are discussed
Ultrasound Evaluation of Fluid in Knee Recesses at Varying Degrees of Flexion
Various methods are utilized in daily practice to obtain optimal information on effusion in the knee. Our aim is to investigate which scanning position provides the best information about synovial fluid in the knee by using ultrasound and to evaluate the magnitude of difference for measuring synovial fluid in 3 major recesses (suprapatellar, medial parapatellar, and lateral parapatellar) of the knee according to various degrees of flexion. Sonographers in 14 European centers documented bilateral knee joint ultrasound examinations on a total of 148 knee joints. The largest sagittal diameter of fluid was measured in scans corresponding to the 3 major recesses at different (0\ub0, 15\ub0, 30\ub0, 45\ub0, 60\ub0, and 90\ub0) degrees of flexion of the knee. The difference of measurement of effusion according to transducer position, knee position, and the interaction between them was investigated by analysis of variance followed by Tukey's test. No correlation was noted between patient characteristics and ultrasound detection of effusion. The sagittal diameter of synovial fluid in all 3 recesses was greatest at 30\ub0 flexion. Analysis of variance and Tukey's test revealed that the suprapatellar scan and 30\ub0 flexion is the best combination for detecting effusion as confirmed by receiver operator characteristic curve analysis. The suprapatellar scan of the knee in 30\ub0 flexion was the most sensitive position to detect fluid in knee joints. Sagittal diameter of fluid in all 3 recesses increased with the knee in the 30\ub0 flexed position as compared to the extended position. Copyright \ua9 2012 by the American College of Rheumatology
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