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This study aimed to compare cognitive and memory abilities between older adults with and without autism over the age of 50. Twenty-eight individuals with autism and 29 typically developing (TD) older adults took part in the current study. Participants' cognitive and memory abilities were assessed by WAIS-IV and WMS-IV. Older autistic adults were found to have poorer performance in processing speed and visual working memory, but they performed at a similar level as TD controls in all other domains. Poorer processing speed and visual working memory are also often found to be associated with age-related decline in neurotypical adults. Longitudinal studies are warranted to explore how the combination of ageing and autism affects cognitive functioning in older adults. [ABSTRACT FROM AUTHOR]

Research on the experience of growing older with autism is very limited. In this study, 13 people with autism aged over 50 years participated in semi-structured interviews about their experiences of diagnosis, social support and getting older. Interviews were analysed using thematic analysis. Three overarching themes were generated: difference, life review and longing for connection. Prior to diagnosis, individuals had awareness of their difficulties, attributed these to intrinsic difference and engaged in a deliberate process of reducing the visibility of this difference. Diagnosis prompted a process of life review and externalisation, whereby past negative experiences were reattributed to autism as opposed to the self. Loneliness, isolation and yearning for interpersonal connection were ubiquitous and longstanding. Autism support and social groups were highly valued, offering opportunities for belonging, acceptance and social comparison. Results highlight the similarity to younger age groups in terms of lived experience and need for greater support, particularly with respect to reducing isolation and improving access to diagnosis. [ABSTRACT FROM AUTHOR]

We developed a brief, informant-report interview for assessing autism spectrum conditions (ASC) in adults, called the Developmental, Dimensional and Diagnostic Interview-Adult Version (3Di-Adult); and completed a preliminary evaluation. Informant reports were collected for participants with ASC (n = 39), a non-clinical comparison group (n = 29) and a clinical comparison group (n = 20) who had non-autistic mental health conditions. Mean administration time was 38 min (50 min for ASC). Internal consistency (αs ≥ 0.93) and inter-rater agreement (ICCs ≥ 0.99) were high. When discriminating ASC from non-ASC, the 3Di-Adult showed excellent sensitivity (95%) and specificity (92%). The 3Di-Adult shows promise as a psychometrically sound and time-efficient interview for collecting standardised informant reports for DSM-5 assessments of ASC in adults, in research and clinical practice. [ABSTRACT FROM AUTHOR]