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Background: The assessment of schizophrenia in autistic people with intellectual disabilities is challenging. This study aimed to explore the identification of schizophrenia in this population. Methods: Using data from a clinical multi-centre study, reported symptoms in 26 autistic individuals with intellectual disabilities diagnosed with co-occurring schizophrenia were explored. Scores on two checklists (Psychopathology in Autism Checklist [PAC], Aberrant Behaviour Checklist [ABC]) were compared with two comparison groups: autistic individuals with intellectual disabilities and other mental disorders (94), or no mental disorder (63). Results: Reported symptoms of schizophrenia in this population met the formal diagnostic criteria. For PAC/ABC scales, only PAC psychosis differed for the schizophrenia group. Among participants with schizophrenia, two were diagnosed with additional mental disorders. Elevated scores for anxiety and depression were common. Conclusions: Emphasising core symptoms seems necessary when assessing co-occurring schizophrenia in autistic people with intellectual disabilities. The PAC may serve as a helpful screening tool.

Background: The identification and treatment of psychiatric disorders in individuals with autism spectrum disorders (ASD) and ID presents many challenges. We describe the development of a professional network, together with a standardized protocol for clinical assessment, designed to promote clinical competence and professional development in eight clinical centers responsible for providing mental health services to autistic individuals with ID across all four health regions of Norway. Specific aims to describe: (1) patterns of psychiatric and behavior problems in patients treated by the network, (2) patterns of change over time, and (3) the relationship between psychiatric disorders and behavior problems. Method: A standardized protocol was used to assess individual progress in 132 patients (inpatients and outpatients) with autism and ID over 2 years (at referral (T1), after 1 year (T2), and after 2 years (T3)). Changes in psychiatric symptoms and behavior problems were assessed with the Psychopathology in Autism Checklist (PAC) and Aberrant Behavior Checklist (ABC). Results: Patients showed significant (p <.001) improvements from T1 to T2 on the psychosis, depression and anxiety subscales of the PAC, but no significant improvement on the obsessive compulsive disorder (OCD) subscale. Improvements were maintained from T2 to T3. Patients showed significant (p <.01) improvements on the ABC total score and on all ABC subscales except inappropriate speech from T1 to T2; these improvements were maintained from T2 to T3. Discussion The combination of a professional network and a standardized protocol for clinical assessment has promise as a strategy for improving professional competence and facilitating specialized mental health services for autistic individuals with ID and psychiatric disorders across an extensive geographical area. [ABSTRACT FROM AUTHOR]

Individuals with autism spectrum disorder (ASD) and intellectual disability (ID) seem to be at increased risk for post-traumatic stress disorder (PTSD), but knowledge is sparse regarding its identification in this population. Previous research indicates that certain symptoms of PTSD may be more easily recognized, and that identifying reexperiencing and avoidance is particularly challenging. Interpretative phenomenological analysis was used to explore 18 experienced clinicians' perceptions of PTSD symptom expression in ASD and ID through individual, qualitative interviews. Informants provided examples from all symptom groups, but these differed in how frequently they were described. Recognition of reexperiencing may rely on knowledge about individuals' trauma experience. Avoidance may present in a wider range of ways. Development of reexperiencing and avoidance may follow different trajectories in this population, contributing to challenges in recognition. Reexperiencing may be more severe in ASD/ID. Implications are discussed in light of current diagnostic criteria. [ABSTRACT FROM AUTHOR]

Introduction: autism spectrum disorder (ASD) and intellectual disability (ID) seem to influence the risk of and vulnerability to exposure to trauma and adverse events. While assessment of a psychiatric disorder in ASD and ID generally is challenging, identification of post-traumatic stress disorder (PTSD) seems particularly so, and knowledge does not seem easily accessible. Methods: This article provides a systematic review of studies describing trauma reactions in individuals with both ASD and ID, including studies involving any single case with the combination of ASD, ID, and PTSD. To systematically explore PTSD symptom presentation in the group, all reported symptoms from studies were assigned by DSM-5 criteria. Results: Eighteen studies met the inclusion criteria, eight group studies and 10 case studies. Assessment methodology in studies varied, as did the format of symptom report. DSM-5 criteria provided a useful framework for integrating findings across studies, indicating that PTSD may be identified in individuals with ASD and ID. However, symptoms involving alterations in arousal and negative alterations in thought and behavior seem more easily identified than symptoms of reexperiencing and avoidance. Conclusions: There is an urgent need to identify behavioral equivalents to PTSD symptoms in this group, making it possible to identify warning signs of trauma and abuse even if such incidents are not known to family or professional carers. [ABSTRACT FROM AUTHOR]