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Different atypical social interaction styles (SISs) were defined and tested in children and adolescents with autism spectrum disorder (ASD). Whether these styles can also be distinguished in adults with ASD has not yet been explored. In men with ASD, men with personality disorder (PD), and men from the general population (N = 90), aged 18-65 years, we tested which SISs can be distinguished and how they relate to the presence of PD traits. We found a significant distinction in allocation to atypical SISs between the three groups. This study shows the presence of atypical SISs in adults with ASD, and complements previous SIS findings in children and adolescents with ASD. Trial registration The Netherlands National Trial Register NTR6391. Registered 04 May 2017., Author(s): Richard Vuijk [sup.1] , Pieter de Nijs [sup.2] , Arnoud Arntz [sup.3] , Hilde M. Geurts [sup.3] [sup.4] Author Affiliations: (1) Sarr Autism Rotterdam, , Dynamostraat 18, 3083 AK, [...]

For autism spectrum disorder (ASD) in adults there are several diagnostic instruments available with a need for consideration of the psychometric properties. This study aimed to conduct a first psychometric evaluation of a new diagnostic ASD instrument, the NIDA (Dutch Interview for Diagnostic assessment of ASD in adults) in 90 adult males without intellectual disability (age 18-65 years) in the Netherlands: 30 with ASD, 30 with a Personality Disorder and 30 nonpatient controls. The interrater agreement ranged from 0.79 to 1.00, the convergent validity including sensitivity and specificity ranged from 0.76 to 1.00, and we observed an adequate concurrent criterion-related validity. These promising findings can serve as foundation for future psychometric NIDA studies in a more diverse population.

For autism spectrum disorder (ASD) in adults there are several diagnostic instruments available with a need for consideration of the psychometric properties. This study aimed to conduct a first psychometric evaluation of a new diagnostic ASD instrument, the NIDA (Dutch Interview for Diagnostic assessment of ASD in adults) in 90 adult males without intellectual disability (age 18-65 years) in the Netherlands: 30 with ASD, 30 with a Personality Disorder and 30 nonpatient controls. The interrater agreement ranged from 0.79 to 1.00, the convergent validity including sensitivity and specificity ranged from 0.76 to 1.00, and we observed an adequate concurrent criterion-related validity. These promising findings can serve as foundation for future psychometric NIDA studies in a more diverse population. Trial registration The Netherlands National Trial Register NTR6391. Registered 04 May 2017., Author(s): Richard Vuijk [sup.1] , Mathijs Deen [sup.2] [sup.3] , Arnoud Arntz [sup.4] , Hilde M. Geurts [sup.4] [sup.5] Author Affiliations: (1) grid.476585.d, 0000 0004 0447 7260, Sarr Autism Rotterdam [...]

Adults with posttraumatic stress disorder from childhood trauma (ch-PTSD) described their 'worst' traumatic event (a single or repeated event) pre-post treatment for PTSD during an international clinical trial. The memory reports were coded for specificity ("Episodic" vs. "General") and level of detail. Repeated event (RE) narratives contained more generic and fewer episodic references but no more details than memories describing single events (SEs). Analysis of a subset of the sample's post-treatment memory reports found 38% of the information units were consistent with the pre-treatment narrative, 38% were omitted, 21% were new details and 2% were changes. The SE and RE groups did not differ on consistency. The data provide a unique insight into single versus repeated event memory reporting in a clinical sample with PTSD from childhood trauma.

Background: Twice weekly sessions of cognitive behavioral therapy (CBT) and interpersonal psychotherapy (IPT) for major depressive disorder (MDD) lead to less drop-out and quicker and better response compared to once weekly sessions at posttreatment, but it is unclear whether these effects hold over the long run. Aims: Compare the effects of twice weekly v. weekly sessions of CBT and IPT for depression up to 24 months since the start of treatment. Methods: Using a 2 × 2 factorial design, this multicentre study randomized 200 adults with MDD to once or twice weekly sessions of CBT or IPT over 16–24 weeks, up to a maximum of 20 sessions. Main outcome measures were depression severity, measured with the Beck Depression Inventory-II and the Longitudinal Interval Follow-up Evaluation. Intention-to-treat analyses were conducted. Results: Compared with patients who received once weekly sessions, patients who received twice weekly sessions showed a significant decrease in depressive symptoms up through month 9, but this effect was no longer apparent at month 24. Patients who received CBT showed a significantly larger decrease in depressive symptoms up to month 24 compared to patients who received IPT, but the between-group effect size at month 24 was small. No differential effects between session frequencies or treatment modalities were found in response or relapse rates. Conclusions: Although a higher session frequency leads to better outcomes in the acute phase of treatment, the difference in depression severity dissipated over time and there was no significant difference in relapse. [ABSTRACT FROM AUTHOR]