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Supplemental material, sj-docx-2-anp-10.1177_00048674231161504 for Against the use of the Strengths and Difficulties Questionnaire for Aboriginal and Torres Strait Islander children aged 2–15 years by Tracey Chau, Jeggan Tiego, Louise Brown, David Coghill, Laura Jobson, Alicia Montgomery, Cammi Murrup-Stewart, Emma Sciberras, Tim J Silk, Megan Spencer-Smith, Nicole Stefanac, Daniel P Sullivan and Mark A Bellgrove in Australian & New Zealand Journal of Psychiatry

Supplemental material, sj-docx-3-jad-10.1177_10870547231155871 for Associations Between ADHD, Sleep Problems, and Mental Health Symptoms in Adolescents by George Loram, Mathew Ling, Tim Silk and Emma Sciberras in Journal of Attention Disorders

Supplemental material, sj-docx-2-jad-10.1177_10870547231155871 for Associations Between ADHD, Sleep Problems, and Mental Health Symptoms in Adolescents by George Loram, Mathew Ling, Tim Silk and Emma Sciberras in Journal of Attention Disorders

Supplemental material, sj-docx-5-anp-10.1177_00048674231161504 for Against the use of the Strengths and Difficulties Questionnaire for Aboriginal and Torres Strait Islander children aged 2–15 years by Tracey Chau, Jeggan Tiego, Louise Brown, David Coghill, Laura Jobson, Alicia Montgomery, Cammi Murrup-Stewart, Emma Sciberras, Tim J Silk, Megan Spencer-Smith, Nicole Stefanac, Daniel P Sullivan and Mark A Bellgrove in Australian & New Zealand Journal of Psychiatry

Supplemental material, sj-docx-3-anp-10.1177_00048674231161504 for Against the use of the Strengths and Difficulties Questionnaire for Aboriginal and Torres Strait Islander children aged 2–15 years by Tracey Chau, Jeggan Tiego, Louise Brown, David Coghill, Laura Jobson, Alicia Montgomery, Cammi Murrup-Stewart, Emma Sciberras, Tim J Silk, Megan Spencer-Smith, Nicole Stefanac, Daniel P Sullivan and Mark A Bellgrove in Australian & New Zealand Journal of Psychiatry

Supplemental material, sj-docx-6-anp-10.1177_00048674231161504 for Against the use of the Strengths and Difficulties Questionnaire for Aboriginal and Torres Strait Islander children aged 2–15 years by Tracey Chau, Jeggan Tiego, Louise Brown, David Coghill, Laura Jobson, Alicia Montgomery, Cammi Murrup-Stewart, Emma Sciberras, Tim J Silk, Megan Spencer-Smith, Nicole Stefanac, Daniel P Sullivan and Mark A Bellgrove in Australian & New Zealand Journal of Psychiatry

Supplemental material, sj-docx-1-anp-10.1177_00048674231161504 for Against the use of the Strengths and Difficulties Questionnaire for Aboriginal and Torres Strait Islander children aged 2–15 years by Tracey Chau, Jeggan Tiego, Louise Brown, David Coghill, Laura Jobson, Alicia Montgomery, Cammi Murrup-Stewart, Emma Sciberras, Tim J Silk, Megan Spencer-Smith, Nicole Stefanac, Daniel P Sullivan and Mark A Bellgrove in Australian & New Zealand Journal of Psychiatry

Supplemental material, sj-docx-4-anp-10.1177_00048674231161504 for Against the use of the Strengths and Difficulties Questionnaire for Aboriginal and Torres Strait Islander children aged 2–15 years by Tracey Chau, Jeggan Tiego, Louise Brown, David Coghill, Laura Jobson, Alicia Montgomery, Cammi Murrup-Stewart, Emma Sciberras, Tim J Silk, Megan Spencer-Smith, Nicole Stefanac, Daniel P Sullivan and Mark A Bellgrove in Australian & New Zealand Journal of Psychiatry

Supplemental material, sj-docx-2-jad-10.1177_10870547231155871 for Associations Between ADHD, Sleep Problems, and Mental Health Symptoms in Adolescents by George Loram, Mathew Ling, Tim Silk and Emma Sciberras in Journal of Attention Disorders

Supplemental material, sj-docx-1-jad-10.1177_10870547231155871 for Associations Between ADHD, Sleep Problems, and Mental Health Symptoms in Adolescents by George Loram, Mathew Ling, Tim Silk and Emma Sciberras in Journal of Attention Disorders

Supplemental material, sj-docx-6-anp-10.1177_00048674231161504 for Against the use of the Strengths and Difficulties Questionnaire for Aboriginal and Torres Strait Islander children aged 2–15 years by Tracey Chau, Jeggan Tiego, Louise Brown, David Coghill, Laura Jobson, Alicia Montgomery, Cammi Murrup-Stewart, Emma Sciberras, Tim J Silk, Megan Spencer-Smith, Nicole Stefanac, Daniel P Sullivan and Mark A Bellgrove in Australian & New Zealand Journal of Psychiatry

Supplemental material, sj-docx-3-jad-10.1177_10870547231155871 for Associations Between ADHD, Sleep Problems, and Mental Health Symptoms in Adolescents by George Loram, Mathew Ling, Tim Silk and Emma Sciberras in Journal of Attention Disorders

Supplemental material, sj-docx-4-anp-10.1177_00048674231161504 for Against the use of the Strengths and Difficulties Questionnaire for Aboriginal and Torres Strait Islander children aged 2–15 years by Tracey Chau, Jeggan Tiego, Louise Brown, David Coghill, Laura Jobson, Alicia Montgomery, Cammi Murrup-Stewart, Emma Sciberras, Tim J Silk, Megan Spencer-Smith, Nicole Stefanac, Daniel P Sullivan and Mark A Bellgrove in Australian & New Zealand Journal of Psychiatry

Supplemental material, sj-docx-5-anp-10.1177_00048674231161504 for Against the use of the Strengths and Difficulties Questionnaire for Aboriginal and Torres Strait Islander children aged 2–15 years by Tracey Chau, Jeggan Tiego, Louise Brown, David Coghill, Laura Jobson, Alicia Montgomery, Cammi Murrup-Stewart, Emma Sciberras, Tim J Silk, Megan Spencer-Smith, Nicole Stefanac, Daniel P Sullivan and Mark A Bellgrove in Australian & New Zealand Journal of Psychiatry

Supplemental material, sj-docx-1-jad-10.1177_10870547231155871 for Associations Between ADHD, Sleep Problems, and Mental Health Symptoms in Adolescents by George Loram, Mathew Ling, Tim Silk and Emma Sciberras in Journal of Attention Disorders

Supplemental material, sj-docx-2-anp-10.1177_00048674231161504 for Against the use of the Strengths and Difficulties Questionnaire for Aboriginal and Torres Strait Islander children aged 2–15 years by Tracey Chau, Jeggan Tiego, Louise Brown, David Coghill, Laura Jobson, Alicia Montgomery, Cammi Murrup-Stewart, Emma Sciberras, Tim J Silk, Megan Spencer-Smith, Nicole Stefanac, Daniel P Sullivan and Mark A Bellgrove in Australian & New Zealand Journal of Psychiatry

Exploration of the mediating role of pubertal timing in the relationship between early life adversity (characterised by threat and deprivation) and psychopathology outcomes utilising data from the Adolescent Brain and Cognitive Development study.

A cross-section study looking at associations between sleep problems, daytime sleepiness, and functional outcomes in a sample of 79 Australian adolescents (13-17) with ADHD.

ObjectiveSome studies have suggested alterations of structural brain asymmetry in attention-deficit/hyperactivity disorder (ADHD), but findings have been contradictory and based on small samples. Here, we performed the largest ever analysis of brain left-right asymmetry in ADHD, using 39 datasets of the ENIGMA consortium.MethodsWe analyzed asymmetry of subcortical and cerebral cortical structures in up to 1,933 people with ADHD and 1,829 unaffected controls. Asymmetry Indexes (AIs) were calculated per participant for each bilaterally paired measure, and linear mixed effects modeling was applied separately in children, adolescents, adults, and the total sample, to test exhaustively for potential associations of ADHD with structural brain asymmetries.ResultsThere was no evidence for altered caudate nucleus asymmetry in ADHD, in contrast to prior literature. In children, there was less rightward asymmetry of the total hemispheric surface area compared to controls (t=2.1, p=.04). Lower rightward asymmetry of medial orbitofrontal cortex surface area in ADHD (t=2.7, p=.01) was similar to a recent finding for autism spectrum disorder. There were also some differences in cortical thickness asymmetry across age groups. In adults with ADHD, globus pallidus asymmetry was altered compared to those without ADHD. However, all effects were small (Cohen's d from -0.18 to 0.18) and would not survive study-wide correction for multiple testing.ConclusionPrior studies of altered structural brain asymmetry in ADHD were likely underpowered to detect the small effects reported here. Altered structural asymmetry is unlikely to provide a useful biomarker for ADHD, but may provide neurobiological insights into the trait.

© 2020 The brain undergoes extensive structural changes during adolescence, concurrent to puberty-related physical and hormonal changes. While animal research suggests these biological processes are related to one another, our knowledge of brain development in humans is largely based on age-related processes. Thus, the current study characterized puberty-related changes in human brain structure, by combining data from two longitudinal neuroimaging cohorts. Beyond normative changes in cortical thickness, we examined whether individual differences in the rate of pubertal maturation (or “pubertal tempo”) was associated with variations in cortical trajectories. Participants (N = 192; scans = 366) completed up to three waves of MRI assessments between 8.5 and 14.5 years of age, as well as questionnaire assessments of pubertal stage at each wave. Generalized additive mixture models were used to characterize trajectories of cortical development. Results revealed widespread linear puberty-related changes across much of the cortex. Many of these changes, particularly within the frontal and parietal cortices, were independent of age-related development. Males exhibiting faster pubertal tempo demonstrated greater thinning in the precuneus and frontal cortices than same-aged and -sex peers. Findings suggest that the unique influence of puberty on cortical development may be more extensive than previously identified, and also emphasize important individual differences in the coupling of these developmental processes.

Supplemental material, sj-pdf-1-jad-10.1177_1087054720978549 for Physical Health, Media Use, and Mental Health in Children and Adolescents With ADHD During the COVID-19 Pandemic in Australia by Emma Sciberras, Pooja Patel, Mark A. Stokes, David Coghill, Christel M. Middeldorp, Mark A. Bellgrove, Stephen P. Becker, Daryl Efron, Argyris Stringaris, Stephen V. Faraone, Susannah T. Bellows, Jon Quach, Tobias Banaschewski, Jane McGillivray, Delyse Hutchinson, Tim J. Silk, Glenn Melvin, Amanda G. Wood, Anna Jackson, George Loram, Lidia Engel, Alicia Montgomery and Elizabeth Westrupp in Journal of Attention Disorders

Supplemental material, sj-pdf-1-jad-10.1177_1087054720978549 for Physical Health, Media Use, and Mental Health in Children and Adolescents With ADHD During the COVID-19 Pandemic in Australia by Emma Sciberras, Pooja Patel, Mark A. Stokes, David Coghill, Christel M. Middeldorp, Mark A. Bellgrove, Stephen P. Becker, Daryl Efron, Argyris Stringaris, Stephen V. Faraone, Susannah T. Bellows, Jon Quach, Tobias Banaschewski, Jane McGillivray, Delyse Hutchinson, Tim J. Silk, Glenn Melvin, Amanda G. Wood, Anna Jackson, George Loram, Lidia Engel, Alicia Montgomery and Elizabeth Westrupp in Journal of Attention Disorders

The results leading to this publication have received funding from the Innovative Medicines Initiative 2 Joint Undertaking under grant agreement No 777394 for the project AIMS-2-TRIALS. This Joint Undertaking receives support from the European Union's Horizon 2020 research and innovation programme and EFPIA and AUTISM SPEAKS, Autistica, SFARI. The funders had no role in the design of the study; in the collection, analyses, or interpretation of data; in the writing of the manuscript; or in the decision to publish the results. Any views expressed are those of the author(s) and not necessarily those of the funders.

The results leading to this publication have received funding from the Innovative Medicines Initiative 2 Joint Undertaking under grant agreement No 777394 for the project AIMS-2-TRIALS. This Joint Undertaking receives support from the European Union's Horizon 2020 research and innovation programme and EFPIA and AUTISM SPEAKS, Autistica, SFARI. The funders had no role in the design of the study; in the collection, analyses, or interpretation of data; in the writing of the manuscript; or in the decision to publish the results. Any views expressed are those of the author(s) and not necessarily those of the funders.

The results leading to this publication have received funding from the Innovative Medicines Initiative 2 Joint Undertaking under grant agreement No 777394 for the project AIMS-2-TRIALS. This Joint Undertaking receives support from the European Union's Horizon 2020 research and innovation programme and EFPIA and AUTISM SPEAKS, Autistica, SFARI. The funders had no role in the design of the study; in the collection, analyses, or interpretation of data; in the writing of the manuscript; or in the decision to publish the results. Any views expressed are those of the author(s) and not necessarily those of the funders.

The results leading to this publication have received funding from the Innovative Medicines Initiative 2 Joint Undertaking under grant agreement No 777394 for the project AIMS-2-TRIALS. This Joint Undertaking receives support from the European Union's Horizon 2020 research and innovation programme and EFPIA and AUTISM SPEAKS, Autistica, SFARI. The funders had no role in the design of the study; in the collection, analyses, or interpretation of data; in the writing of the manuscript; or in the decision to publish the results. Any views expressed are those of the author(s) and not necessarily those of the funders.