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S. Karalunas

4 papers indexed here

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Open access Aug 2026

Emerging Temperament Perspectives on Heterogeneity and Psychopathology Risk

In this special issue, we bring together a set of studies that collectively demonstrate the power of temperament-based frameworks for advancing understanding of the structure of psychopathology and its underlying mechanisms, particularly in domains marked by substantial heterogeneity, comorbidity, early emergence, and...

Sarah L. Karalunas, E. D. Musser, K. Pérez-Edgar · 0 citations
Open access Aug 2026

Reproducible Temperament Profiles in Adolescents With Attention-Deficit/Hyperactivity Disorder Prospectively Predict Clinical Outcomes

Currently, the field faces controversy about how to integrate novel, trait-based dimensions into existing psychological diagnostic frameworks. The problem is salient for attention-deficit/hyperactivity disorder (ADHD), which encompasses a partially coherent neurodevelopmental syndrome that is nonetheless heterogeneous...

Michael B. Kozlowski, J. A. Sangoi, Hannah E. Morton et al. · 1 citation
Aug 2026

Neurocognitive and Temperament Predictors of Changes in Child and Adolescent Suicidal Thoughts and Behaviors for Youths With and Without Attention-Deficit/Hyperactivity Disorder

Suicidal thoughts and behaviors (STBs) are an urgent concern, with elevated risk in attention-deficit/hyperactivity disorder (ADHD). Drawing on the developmental psychopathology framework and socio-ecological model of suicide risk, this study examined trajectories of STBs in youth with and without ADHD and their predic...

Hannah E. Morton, Michael B. Kozlowski, Nathan F. Dieckmann et al. · 0 citations
Open access Jul 2026

Developmental Differences in White Matter Microarchitecture in Youth with ADHD: Longitudinal Findings from the ABCD Study

ADHD was robustly associated with reductions in isotropic diffusion in white matter tracts, suggestive of atypical glial cellularity during late childhood and complementary reductions in directional diffusion of select tracts may suggest atypical axonal organization enduring across early adolescence.

L. N. Overholtzer, Katherine L. Bottenhorn, H. Ahmadi et al. · 0 citations

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