Yu-Ju Lin , Meng-Chuan Lai , Li-Kuang Yang , Susan Shur-Fen Gau
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Abstract
Background
The sex-differential prevalence of attention-deficit/hyperactivity disorder (ADHD) varies across the lifespan, but little is known about sex differences in executive functions in adults with ADHD.
Methods
We assessed 261 adults, aged 18–40 years, diagnosed with ADHD (170 males [assigned at birth], aged 25.81 ± 5.49; 91 females, aged 27.76 ± 5.42) and 308 neurotypical adults (176 males, aged 24.62 ± 5.14; 132 female, aged 25.37 ± 5.42) via psychiatric interviews to confirm ADHD and other psychiatric diagnoses. They were assessed by the Cambridge Neuropsychological Testing Automated Battery (CANTAB) on Reaction Time (arousal/processing speed), Rapid Visual Information Processing (sustained attention), Spatial Span (spatial memory), Spatial Working Memory, Intradimentional/Extradimensional Shift (set-shifting), and Stocking of Cambridge (spatial planning). The primary analyses were adjusted for age, full-scale IQ, and co-occurring psychiatric conditions.
Results
Adults with ADHD had various co-occurring psychiatric conditions without sex differences in ADHD-neurotypical differences. Both adult males and females with ADHD performed poorer in all CANTAB tasks than same-sex neurotypical adults. Significant sex-moderating effects were observed in neuropsychological performance, including greater ADHD-neurotypical differences in arousal for females than males and in location memory for spatial tasks in males than females.
Conclusion
There were no sex-moderating effects in the presence of co-occurring psychiatric conditions in adult ADHD. However, there were sex-moderating effects on how ADHD related to neuropsychological functioning in adulthood. ADHD was associated with more challenges in arousal/processing speed in females and more challenges in strategy use or inhibition in spatial memory in males.
期刊介绍：
"Comprehensive Psychiatry" is an open access, peer-reviewed journal dedicated to the field of psychiatry and mental health. Its primary mission is to share the latest advancements in knowledge to enhance patient care and deepen the understanding of mental illnesses. The journal is supported by a diverse team of international editors and peer reviewers, ensuring the publication of high-quality research with a strong focus on clinical relevance and the implications for psychopathology.
"Comprehensive Psychiatry" encourages authors to present their research in an accessible manner, facilitating engagement with clinicians, policymakers, and the broader public. By embracing an open access policy, the journal aims to maximize the global impact of its content, making it readily available to a wide audience and fostering scientific collaboration and public awareness beyond the traditional academic community. This approach is designed to promote a more inclusive and informed dialogue on mental health, contributing to the overall progress in the field.
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