Helen Leonard
Helen Leonard
Associate Professor, Centre for Child Health Research, University of Western Australia
Verified email at
Cited by
Cited by
Rett syndrome: revised diagnostic criteria and nomenclature
JL Neul, WE Kaufmann, DG Glaze, J Christodoulou, AJ Clarke, ...
Annals of neurology 68 (6), 944-950, 2010
The epidemiology of mental retardation: challenges and opportunities in the new millennium
H Leonard, X Wen
Mental retardation and developmental disabilities research reviews 8 (3 …, 2002
Mutations of CDKL5 cause a severe neurodevelopmental disorder with infantile spasms and mental retardation
LS Weaving, J Christodoulou, SL Williamson, KL Friend, OLD McKenzie, ...
The American Journal of Human Genetics 75 (6), 1079-1093, 2004
Intellectual disability co-occurring with schizophrenia and other psychiatric illness: population-based study
VA Morgan, H Leonard, J Bourke, A Jablensky
The British Journal of Psychiatry 193 (5), 364-372, 2008
Association of genetic and environmental factors with autism in a 5-country cohort
D Bai, BHK Yip, GC Windham, A Sourander, R Francis, R Yoffe, ...
JAMA psychiatry 76 (10), 1035-1043, 2019
Rett syndrome in Australia: a review of the epidemiology
CL Laurvick, N De Klerk, C Bower, J Christodoulou, D Ravine, C Ellaway, ...
The Journal of pediatrics 148 (3), 347-352, 2006
Long-read sequence analysis of the MECP2 gene in Rett syndrome patients: correlation of disease severity with mutation type and location
JP Cheadle, H Gill, N Fleming, J Maynard, A Kerr, H Leonard, ...
Human molecular genetics 9 (7), 1119-1129, 2000
The increasing prevalence of reported diagnoses of childhood psychiatric disorders: a descriptive multinational comparison
HO Atladottir, D Gyllenberg, A Langridge, S Sandin, SN Hansen, ...
European child & adolescent psychiatry 24, 173-183, 2015
Autism risk associated with parental age and with increasing difference in age between the parents
S Sandin, D Schendel, P Magnusson, C Hultman, P Surén, E Susser, ...
Molecular psychiatry 21 (5), 693-700, 2016
The CDKL5 disorder is an independent clinical entity associated with early-onset encephalopathy
S Fehr, M Wilson, J Downs, S Williams, A Murgia, S Sartori, M Vecchi, ...
European Journal of Human Genetics 21 (3), 266-273, 2013
Investigating genotype–phenotype relationships in Rett syndrome using an international data set
A Bebbington, A Anderson, D Ravine, S Fyfe, M Pineda, N De Klerk, ...
Neurology 70 (11), 868-875, 2008
Autism spectrum disorders in young children: effect of changes in diagnostic practices
N Nassar, G Dixon, J Bourke, C Bower, E Glasson, N De Klerk, H Leonard
International journal of epidemiology 38 (5), 1245-1254, 2009
The impact of having a sibling with an intellectual disability: Parental perspectives in two disorders
S Mulroy, L Robertson, K Aiberti, H Leonard, C Bower
Journal of Intellectual Disability Research 52 (3), 216-229, 2008
Clinical and biological progress over 50 years in Rett syndrome
H Leonard, S Cobb, J Downs
Nature Reviews Neurology 13 (1), 37-51, 2017
Guidelines for reporting clinical features in cases with MECP2 mutations
AM Kerr, Y Nomura, D Armstrong, M Anvret, PV Belichenko, S Budden, ...
Brain and Development 23 (4), 208-211, 2001
Young adults with intellectual disability transitioning from school to post-school: A literature review framed within the ICF
KR Foley, P Dyke, S Girdler, J Bourke, H Leonard
Disability and Rehabilitation 34 (20), 1747-1764, 2012
Survival of infants born with Down's syndrome: 1980-96.
S Leonard, CK Bower, B Petterson, H Leonard
Paediatric and perinatal epidemiology 14 (2), 163-171, 2000
Maternal conditions and perinatal characteristics associated with autism spectrum disorder and intellectual disability
AT Langridge, EJ Glasson, N Nassar, P Jacoby, C Pennell, R Hagan, ...
PloS one 8 (1), e50963, 2013
Rare childhood diseases: how should we respond?
Y Zurynski, K Frith, H Leonard, E Elliott
Archives of disease in childhood 93 (12), 1071-1074, 2008
Maltreatment risk among children with disabilities
MJ Maclean, S Sims, C Bower, H Leonard, FJ Stanley, M O’Donnell
Pediatrics 139 (4), 2017
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