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Schizophrenia in Autistic People with Intellectual Disabilities: Symptom Manifestations and Identification
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Bakken, Trine Lise; Kildahl, Arvid Nikolai; Ludvigsen, Linn Beate; Bjørgen, Tale Gjertine; Dalhaug, Caroline; Hellerud, Jane Margrete Askeland; Hove, Oddbjørn; Solheim-Inderberg, Ann Magritt; Karlsen, Kjersti; Helverschou, Sissel Berge – Journal of Applied Research in Intellectual Disabilities, 2023
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…
Descriptors: Schizophrenia, Autism Spectrum Disorders, Intellectual Disability, Mental Disorders
Undiagnosed Psychotic Disorder in Autistic Individuals with Intellectual Disabilities and Suspected Obsessive-Compulsive Disorder: An Explorative, Clinical Study
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Dalhaug, Kristina Caroline; Storvik, Kristin; Kildahl, Arvid Nikolai – Journal of Mental Health Research in Intellectual Disabilities, 2023
Introduction: Mental health assessment in autistic individuals with intellectual disabilities may be challenging. Findings from non-autistic samples indicate overlap between obsessive-compulsive disorder (OCD) and psychotic disorder/schizophrenia, but little is known about this potential overlap in autistic people. Methods: Explorative,…
Descriptors: Mental Disorders, Clinical Diagnosis, Autism Spectrum Disorders, Intellectual Disability
Psychometric Properties of the Psychopathology in Autism Checklist (PAC)
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Helverschou, Sissel Berge; Ludvigsen, Linn Beate; Hove, Oddbjørn; Kildahl, Arvid Nikolai – International Journal of Developmental Disabilities, 2021
Psychiatric disorders in individuals with co-occurring autism spectrum disorders (ASD) and intellectual disability (ID) are common, but diagnosis presents many challenges. The Psychopathology in Autism checklist (PAC) is among the very few instruments specifically developed for this group of individuals. The psychometric properties of the PAC…
Descriptors: Mental Disorders, Psychometrics, Autism, Pervasive Developmental Disorders
Severe Intellectual Disability: Systematic Review of the Prevalence and Nature of Presentation of Unipolar Depression
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Walton, Catherine; Kerr, Mike – Journal of Applied Research in Intellectual Disabilities, 2016
Background: The diagnosis of depression in severe and profound intellectual disability is challenging. Without adequate skills in verbal self-expression, standardized diagnostic criteria cannot be used with confidence. The purpose of this systematic review was to investigate the assessment and diagnosis of unipolar depression in severe and…
Descriptors: Severe Intellectual Disability, Incidence, Depression (Psychology), Clinical Diagnosis