Research Topics
| F LevySummaryAffiliation: University of New South Wales Country: Australia Publications
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Detail Information
Publications
Theories of autismFlorence Levy
School of Psychiatry, University of New South Wales and Prince of Wales Hospital, Randwick, NSW, Australia
Aust N Z J Psychiatry 41:859-68. 2007....- Cortical-subcortical re-entrant circuits and recurrent behaviourFlorence Levy
School of Psychiatry, University of New South Wales, and Child and Family East, Prince of Wales Hospital, Sydney, Australia
Aust N Z J Psychiatry 40:752-8. 2006..To explore the application of Parallel Distributed Processing (PDP) models to biological cortical-subcortical re-entrant circuits, and their implications for recurrent psychiatric symptomatology... 
Comorbid ADHD and mental health disorders: are these children more likely to develop reading disorders?Florence Levy
School of Psychiatry, Prince of Wales Hospital, University of New South Wales, Sydney, Australia
Atten Defic Hyperact Disord 5:21-8. 2013..In summary, both age and ADHD diagnosis were associated with variations in these comorbid disorders, and multiple comorbid disorders were associated with greater reading impairment...- Synaptic gating and ADHD: a biological theory of comorbidity of ADHD and anxietyFlorence Levy
School of Psychiatry, University of New South Wales, Prince of Wales Hospital, Randwick, Australia
Neuropsychopharmacology 29:1589-96. 2004..The use of DA partial agonists may also be of interest... - What do dopamine transporter and catechol-o-methyltransferase tell us about attention deficit-hyperactivity disorder? Pharmacogenomic implicationsFlorence Levy
School of Psychiatry, University of New South Wales, Prince of Wales Hospital, Randwick, NSW 2031, Australia
Aust N Z J Psychiatry 41:10-6. 2007.... - Working memory, catecholamines and psychosis: illustrative caseFlorence Levy
School of Psychiatry, University of New South Wales, Sydney, Australia
Aust N Z J Psychiatry 41:74-7. 2007..To briefly review the role of catecholamines in prefrontal functions and working memory as illustrated by a case study... 
Pharmacological and therapeutic directions in ADHD: Specificity in the PFCFlorence Levy
School of Psychiatry, University of New South Wales, Prince of Wales Hospital, Sydney, NSW 2031, Australia
Behav Brain Funct 4:12. 2008..Head to head comparisons of stimulant and noradrenergic alpha-2A, alpha-2B and alpha-2C agonists, utilizing vigilance and affective measures should help to clarify pharmacological and therapeutic differences...- Dopamine vs noradrenaline: inverted-U effects and ADHD theoriesFlorence Levy
School of Psychiatry, University of New South Wales, Prince of Wales Hospital, Randwick, New South Wales, Australia
Aust N Z J Psychiatry 43:101-8. 2009..Further studies utilizing delay-related firing paradigms should be useful in the investigation of attentional syndromes, and responses to newer pharmacological treatments... - Internalizing versus externalizing comorbidity: neural circuit hypothesisFlorence Levy
School of Psychiatry, University of New South Wales, Sydney, New South Wales, Australia
Aust N Z J Psychiatry 44:399-409. 2010..Function depends on the degree of cooperative integration of goal orientation, Pavlovian stimulus response, and operant processing in cortical-subcortical circuits, and interventions may be targeted at any of these functions... - Project for a scientific psychiatry in the 21st centuryFlorence Levy
Avoca Clinic, Prince of Wales Hospital, University of New South Wales, Randwick, NSW 2031, Australia
Aust N Z J Psychiatry 36:595-602. 2002..To discuss potential advances in neuroscientific knowledge in the 21st century, enabling the realization of Freud's original vision of a basic biological science and an associated metapsychology... - Timing, space and ADHD: the dopamine theory revisitedF Levy
School of Psychiatry, University of New South Wales, Prince of Wales Hospital, Randwick, Australia
Aust N Z J Psychiatry 35:504-11. 2001..The objective of this study was to review the dopamine theory of attention deficit hyperactivity disorder (ADHD) in terms of advances made over the last decade... - Implications for Australia of the multimodal treatment study of children with attention-deficit/hyperactivity disorderF Levy
School of Psychiatry, University of New South Wales, and Avoca Clinic, Prince of Wales Hospital, Randwick, Australia
Aust N Z J Psychiatry 35:45-8. 2001.... - Gender differences in ADHD subtype comorbidityFlorence Levy
School of Psychiatry, University of New South Wales, Sydney, Australia
J Am Acad Child Adolesc Psychiatry 44:368-76. 2005.... - Working memory in ADHD: prefrontal/parietal connectionsF Levy
School of Psychiatry, University of New South Wales, Sydney, Australia
Curr Drug Targets 2:347-52. 2001..While tonic dopamine activity in ventral striatum/accumbens gates inhibitory activity, dorsolateral prefrontal-parietal connections allow maintenance of working memory required for goal completion... - A symposium on Attention Deficit Hyperactivity Disorder (ADHD). Developments in treatmentFlorence Levy
Prince of Wales Hospital and School of Psychiatry, University of New South Wales, Australia
Aust N Z J Psychiatry 36:477-9. 2002 - Attention-deficit hyperactivity disorder: a category or a continuum? Genetic analysis of a large-scale twin studyF Levy
Department of Psychiatry, University of New South Wales, Australia
J Am Acad Child Adolesc Psychiatry 36:737-44. 1997..To investigate heritability and continuum versus categorical approaches to attention-deficit hyperactivity disorder (ADHD), using a large-scale twin sample... - Characterizing the ADHD phenotype for genetic studiesJim Stevenson
School of Psychology, University of Southampton, Highfield, Southampton SO17 1 BJ, UK
Dev Sci 8:115-21. 2005..It is suggested that extending such studies beyond cognitive underpinnings to include physiological and metabolic markers might facilitate progress... - The Australian Twin ADHD Project: current status and future directionsKellie S Bennett
School of Psychology, Curtin University of Technology, Perth, Western Australia 6945, Australia
Twin Res Hum Genet 9:718-26. 2006..Recruitment, assessment and retention of twin families require a major commitment but create a significant resource for collaboration in areas outside the original aim... - Should sluggish cognitive tempo symptoms be included in the diagnosis of attention-deficit/hyperactivity disorder?Richard D Todd
Department of Psychiatry, Washington University School of Medicine, St Louis, MO 63110, USA
J Am Acad Child Adolesc Psychiatry 43:588-97. 2004..To determine the impact of including sluggish cognitive tempo items on the factor and latent class structure of attention-deficit/hyperactivity disorder (ADHD) subtypes in boys and girls... - Familial clustering of latent class and DSM-IV defined attention-deficit/hyperactivity disorder (ADHD) subtypesErik R Rasmussen
Departments of Psychiatry and Genetics, Washington University School of Medicine, St Louis, MO 63110-1093, USA
J Child Psychol Psychiatry 45:589-98. 2004..These findings further extend previous work and are most consistent with the presence of multiple independent forms of ADHD... - A twin study of attention-deficit/hyperactivity disorder dimensions rated by the strengths and weaknesses of ADHD-symptoms and normal-behavior (SWAN) scaleDavid A Hay
School of Psychology, Curtin University of Technology, Perth, Western Australia
Biol Psychiatry 61:700-5. 2007..While this has major implications for genetic designs that require extremely discordant and concordant (EDAC) siblings, little is known of the genetics of scales which seek to differentiate within the "no ADHD symptom" group... - Joint analysis of the DRD5 marker concludes association with attention-deficit/hyperactivity disorder confined to the predominantly inattentive and combined subtypesNaomi Lowe
Department of Genetics, Trinity College, Dublin 2, Ireland
Am J Hum Genet 74:348-56. 2004..The joint analysis showed association with the DRD5 locus (P=.00005; odds ratio 1.24; 95% confidence interval 1.12-1.38). This association appears to be confined to the predominantly inattentive and combined clinical subtypes... - Special twin environments, genetic influences and their effects on the handedness of twins and their siblingsSarah E Medland
Genetic Epidemiology Unit, Queensland Institute of Medical Research, 300 Herston Road, Brisbane, Queensland 4029, Australia
Twin Res 6:119-30. 2003.... - Recruitment and attrition in twin register studies of childhood behavior: the example of the Australian Twin ADHD ProjectDavid A Hay
School of Psychology, Curtin University, Perth, WA, Australia
Twin Res 5:324-8. 2002..We discuss strategies for limiting the loss of families and for ensuring comparability of data across registers with similar interests but different methods of recruitment and exclusion... - Replication of the latent class structure of Attention-Deficit/Hyperactivity Disorder (ADHD) subtypes in a sample of Australian twinsErik R Rasmussen
Washington University School of Medicine, St. Louis, MO 63110-1093, USA
J Child Psychol Psychiatry 43:1018-28. 2002..LCA and DSM-IV systems of ADHD classification identify different phenotypic groups, and the basis of this disparity merits further investigation... - Depressive symptomatology in child and adolescent twins with attention-deficit hyperactivity disorder and/or developmental coordination disorderJan P Piek
School of Psychology, Curtin University of Technology, Perth, Western Australia, Australia
Twin Res Hum Genet 10:587-96. 2007..The implications of these findings are discussed with emphasis on understanding and recognizing the relationship between ADHD, DCD, and depression in the assessment and intervention for children and adolescents with these disorders...