Marc L. Seal

ORCID: 0000-0002-8396-140X
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About
Contact & Profiles
Research Areas
  • Advanced Neuroimaging Techniques and Applications
  • Functional Brain Connectivity Studies
  • Neonatal and fetal brain pathology
  • Cannabis and Cannabinoid Research
  • Infant Development and Preterm Care
  • Advanced MRI Techniques and Applications
  • Schizophrenia research and treatment
  • Traumatic Brain Injury Research
  • Fetal and Pediatric Neurological Disorders
  • Traumatic Brain Injury and Neurovascular Disturbances
  • Neuroscience and Neuropharmacology Research
  • Child and Adolescent Psychosocial and Emotional Development
  • Autism Spectrum Disorder Research
  • Cardiac Arrest and Resuscitation
  • Stress Responses and Cortisol
  • Hypothalamic control of reproductive hormones
  • Neuroendocrine regulation and behavior
  • Neural and Behavioral Psychology Studies
  • Neural dynamics and brain function
  • Fibromyalgia and Chronic Fatigue Syndrome Research
  • Genetics and Neurodevelopmental Disorders
  • Cerebral Palsy and Movement Disorders
  • Attention Deficit Hyperactivity Disorder
  • Spinal Dysraphism and Malformations
  • Mental Health and Psychiatry

Murdoch Children's Research Institute
2015-2024

The University of Melbourne
2015-2024

Royal Children's Hospital
2013-2024

Auckland University of Technology
2024

University of Auckland
2024

University of Stavanger
2024

Pediatrics and Genetics
2024

Washington University in St. Louis
2021

RMIT University
2021

Royal Women's Hospital
2021

<h3>Context</h3> Cannabis use can both increase and reduce anxiety in humans. The neurophysiological substrates of these effects are unknown. <h3>Objective</h3> To investigate the 2 main psychoactive constituents of<i>Cannabis sativa</i>(Δ9-tetrahydrocannabinol [Δ9-THC] cannabidiol [CBD]) on regional brain function during emotional processing. <h3>Design</h3> Subjects were studied 3 separate occasions using an event-related functional magnetic resonance imaging paradigm while viewing faces...

10.1001/archgenpsychiatry.2008.519 article EN Archives of General Psychiatry 2009-01-01

Cannabis use typically begins during adolescence and early adulthood, a period when cannabinoid receptors are still abundant in white matter pathways across the brain. However, few studies to date have explored impact of regular cannabis on structure, with no previous examining its axonal connectivity. The aim this study was examine fibre brain for evidence microstructural alterations associated long-term test whether age is severity any change. To end, diffusion-weighted magnetic resonance...

10.1093/brain/aws136 article EN Brain 2012-06-04
Joaquim Raduà Eduard Vieta Russell T. Shinohara Peter Kochunov Yann Quidé and 95 more Melissa J. Green Cynthia Shannon Weickert Thomas W. Weickert Jason Bruggemann Tilo Kircher Igor Nenadić Murray J. Cairns Marc L. Seal Ulrich Schall Frans Henskens Janice M. Fullerton Bryan Mowry Christos Pantelis Rhoshel Lenroot Vanessa Cropley Carmel M. Loughland Rodney J. Scott Daniel H. Wolf Theodore D. Satterthwaite Yunlong Tan Kang Sim Fabrizio Piras Gianfranco Spalletta Nerisa Banaj Edith Pomarol‐Clotet Aleix Solanes Anton Albajes‐Eizagirre Erick J. Canales‐Rodríguez Salvador Sarró Annabella Di Giorgio Alessandro Bertolino Michael Stäblein Viola Oertel Christian Knöchel Stefan Borgwardt Stefan S. du Plessis Je‐Yeon Yun Jun Soo Kwon Udo Dannlowski Tim Hahn Dominik Grotegerd Clara Alloza Celso Arango Joost Janssen Covadonga M. Díaz‐Caneja Wenhao Jiang Vince D. Calhoun Stefan Ehrlich Kun Yang Nicola G. Cascella Yoichiro Takayanagi Akira Sawa Alexander Tomyshev Irina Lebedeva В. Г. Каледа Matthias Kirschner Cyril Höschl David Tomeček Antonín Škoch Thérèse van Amelsvoort Geor Bakker Anthony James Adrian Preda Andrea Weideman Dan J. Stein Fleur M. Howells Anne Uhlmann Henk Temmingh Carlos López‐Jaramillo Ana M. Díaz‐Zuluaga Lydia Fortea Eloy Martínez‐Heras Elisabeth Solana Sara Llufriú Neda Jahanshad Paul M. Thompson Jessica A. Turner Theo G.M. van Erp David C. Glahn Godfrey D. Pearlson Elliot Hong Axel Krug Vaughan J. Carr Paul A. Tooney Gavin Cooper Paul E. Rasser Patricia T. Michie Stanley V. Catts Raquel E. Gur Ruben C. Gur Fude Yang Fengmei Fan Jing Chen Hua Guo Shuping Tan

A common limitation of neuroimaging studies is their small sample sizes. To overcome this hurdle, the Enhancing Neuro Imaging Genetics through Meta-Analysis (ENIGMA) Consortium combines data from many institutions worldwide. However, introduces heterogeneity due to different scanning devices and sequences. ENIGMA projects commonly address with random-effects meta-analysis or mixed-effects mega-analysis. Here we tested whether batch adjustment method, ComBat, can further reduce site-related...

10.1016/j.neuroimage.2020.116956 article EN cc-by NeuroImage 2020-05-27

<h3>Context</h3> <i>Cannabis sativa</i>use can impair verbal learning, provoke acute psychosis, and increase the risk of schizophrenia. It is unclear where<i>C sativa</i>acts in human brain to modulate learning induce psychotic symptoms. <h3>Objectives</h3> To investigate effects 2 main psychoactive constituents of<i>C sativa</i>, Δ9-tetrahydrocannabinol (Δ9-THC) cannabidiol, on regional function during paired associate learning. <h3>Design</h3> Subjects were studied 3 separate occasions...

10.1001/archgenpsychiatry.2009.17 article EN Archives of General Psychiatry 2009-04-01

Cannabis sativa, the most widely used illicit drug, has profound effects on levels of anxiety in animals and humans. Although recent studies have helped provide a better understanding neurofunctional correlates these effects, indicating involvement amygdala cingulate cortex, their reciprocal influence is still mostly unknown. In this study dynamic causal modelling (DCM) Bayesian model selection (BMS) were to explore pure compounds C. sativa [600 mg cannabidiol (CBD) 10...

10.1017/s1461145709990617 article EN The International Journal of Neuropsychopharmacology 2009-09-24

Measuring the distribution of brain tissue types (tissue classification) in neonates is necessary for studying typical and atypical development, such as that associated with preterm birth, may provide biomarkers neurodevelopmental outcomes. Compared magnetic resonance images adults, neonatal present specific challenges require development specialized, population-specific methods. This paper introduces MANTiS (Morphologically Adaptive Neonatal Tissue Segmentation), which extends unified...

10.3389/fninf.2016.00012 article EN cc-by Frontiers in Neuroinformatics 2016-03-28

Measures of physical growth, such as weight and height have long been the predominant outcomes for monitoring child health evaluating interventional in public studies, including those that may impact neurodevelopment. While growth generally reflects overall nutritional status, it lacks sensitivity specificity to brain developing cognitive skills abilities. Psychometric tools, e.g., Bayley Scales Infant Toddler Development, afford more direct assessment development but they require language...

10.1016/j.dcn.2024.101397 article EN cc-by Developmental Cognitive Neuroscience 2024-05-31

Objectives: Even when euthymic bipolar disorder patients can have persistent deficits in working memory, but the neural basis of this deficit remains unclear. We undertook an functional magnetic resonance imaging investigation performing two memory paradigms; two‐back and Sternberg tasks, selected to examine central executive phonological loop respectively. hypothesized that neuronal dysfunction would be specific network underlying rather than component memory. Methods: Twelve right‐handed I...

10.1111/j.1399-5618.2004.00147.x article EN Bipolar Disorders 2004-11-12

The application of neurocognitive models to study schizophrenia has been influential in understanding the nature this complex and heterogeneous disorder. However, a comprehensive empirically validated account auditory hallucinations remains elusive. aim review was critically assess current evidence for specific deficits associated with verbal (AVHs) schizophrenia.A systematic literature search conducted research involving three cognitive hallucinations: those implicating dysfunction imagery,...

10.1080/13546800344000156 article EN Cognitive Neuropsychiatry 2004-01-25

Niemann-Pick disease type C (NPC) is a progressive neurovisceral disorder with disrupted intracellular cholesterol metabolism that results in significant alterations to neuronal and axonal structure. Adult patients present ataxia, gaze palsy, impaired cognition, neuropsychiatric illness, but the neural substrate has not been well-characterized vivo. Our aim was investigate sample of adults confirmed NPC for gray white matter abnormalities.We utilized combination optimized voxel-based...

10.1212/wnl.0b013e3181e6210e article EN Neurology 2010-05-20
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