Article

Gómez-Vallejo, M. and Leoni, M. and Ronald, Angelica and Colvert, E. and Happé, F. and Bolton, P. (2021) Autism spectrum disorder and obstetric optimality: a twin study and meta-analysis of sibling studies. Journal of Child Psychology and Psychiatry 62 (11), pp. 1353-1362. ISSN 0021-9630.

Mason, D. and Ronald, Angelica and Ambler, A. and Caspi, A. and Houts, R. and Poulton, R. and Ramrakha, S. and Wertz, J. and Moffitt, T.E. and Happé, F. (2021) Autistic traits are associated with faster pace of aging: evidence from the Dunedin Study at age 45. Molecular Autism 14 (8), pp. 1684-1694. ISSN 2040-2392.

Lockwood Estrin, Georgia and Milner, V. and Spain, D. and Happé, F. and Colvert, E. (2020) Barriers to Autism Spectrum Disorder diagnosis for young women and girls: a systematic review. Review Journal of Autism and Developmental Disorders , ISSN 2195-7177.

Janecka, M. and Haworth, C.M.A. and Ronald, Angelica and Krapohl, E. and Happé, F. and Mill, J. and Schalkwyk, L.C. and Fernandes, C. and Reichenberg, A. and Rijsdijk, F. (2017) Paternal age alters social development in offspring. Journal of the American Academy of Child and Adolescent Psychiatry 56 (5), pp. 383-390. ISSN 0890-8567.

D'Souza, Dean and Booth, R. and Connolly, Monica and Happé, F. and Karmiloff-Smith, Annette (2016) Rethinking the concepts of “local or global processors”: evidence from Williams syndrome, Down syndrome, and Autism Spectrum Disorders. Developmental Science 19 (3), pp. 452-468. ISSN 1363-755x.

Milosavljevic, Bosiljka and Carter Leno, V. and Simonoff, E. and Baird, G. and Pickles, A. and Jones, C.R.G. and Erskine, C. and Charman, T. and Happé, F. (2016) Alexithymia in Adolescents with Autism Spectrum Disorder: Its Relationship to Internalising Difficulties, Sensory Modulation and Social Cognition. Journal of Autism and Developmental Disorders 46 (4), pp. 1354-1367. ISSN 0162-3257.

Tick, B. and Colvert, E. and McEwen, F. and Stewart, C. and Woodhouse, E. and Gillan, N. and Hallett, V. and Lietz, S. and Garnett, T. and Simonoff, E. and Ronald, Angelica and Bolton, P. and Happé, F. and Rijsdijk, F. (2016) Autism Spectrum Disorders and other mental health problems: exploring etiological overlaps and phenotypic causal associations. Journal of the American Academy of Child & Adolescent Psychiatry 55 (2), pp. 106-113. ISSN 0890-8567.

Brewer, R. and Biotti, F. and Catmur, C. and Press, Clare and Happé, F. and Cook, R. and Bird, Geoffrey (2016) Can neurotypical individuals read autistic facial expressions? Atypical production of emotional facial expressions in Autism Spectrum Disorders. Autism Research 9 (2), pp. 262-271. ISSN 1939-3792.

McEwen, F.S. and Stewart, C.S. and Colvert, E. and Woodhouse, E. and Curran, S. and Gillan, N. and Hallett, V. and Lietz, S. and Garnett, T. and Ronald, Angelica and Murphy, D.G.M. and Happé, F. and Bolton, P. (2016) Diagnosing Autism Spectrum Disorder in community settings using the development and well-being assessment: validation in a UK population-based twin sample. Journal of Child Psychology and Psychiatry 57 (2), pp. 161-170. ISSN 0021-9630.

Jones, A. and O’Nions, E. and Tick, B. and Rijsdijk, F. and Happé, F. and Plomin, R. and Ronald, Angelica and Viding, E. (2015) Examining the genetic and environmental associations between autistic social and communication deficits and psychopathic callous-unemotional traits. PLoS One 10 (9), e0134331. ISSN 1932-6203.

Colvert, E. and Tick, B. and McEwen, F. and Stewart, C. and Curran, S.R. and Woodhouse, E. and Gillan, N. and Hallett, V. and Lietz, S. and Garnett, T. and Ronald, Angelica and Plomin, R. and Rijsdijk, F. and Happé, F. and Bolton, P. (2015) Heritability of autism spectrum disorder in a UK population-based twin sample. JAMA Psychiatry 72 (5), pp. 415-423. ISSN 2168-622X.

Taylor, M.J. and Robinson, E.B. and Happé, F. and Bolton, P. and Freeman, D. and Ronald, Angelica (2015) A longitudinal twin study of the association between childhood autistic traits and psychotic experiences in adolescence. Molecular Autism 6 (1), ISSN 2040-2392.

Taylor, M.J. and Charman, T. and Robinson, E.B. and Hayiou-Thomas, M.E. and Happé, F. and Dale, P.S. and Ronald, Angelica (2014) Language and traits of autism spectrum conditions: evidence of limited phenotypic and etiological overlap. American Journal of Medical Genetics Part B: Neuropsychiatric Genetics 165 (7), pp. 587-595. ISSN 1552-4841.

O'nions, E. and Viding, E. and Greven, C.U. and Ronald, Angelica and Happé, F. (2014) Pathological Demand Avoidance (PDA): exploring the behavioural profile. Autism 18 (5), pp. 538-544. ISSN 1362-3613.

Scherff, Aline and Taylor, M. and Eley, T.C. and Happé, F. and Charman, T. and Ronald, Angelica (2014) What causes internalising traits and autistic traits to co-occur in adolescence? A community-based twin study. Journal of Abnormal Child Psychology 42 (4), pp. 601-610. ISSN 0091-0627.

Holmboe, Karla and Rijsdijk, F. and Hallett, V. and Happé, F. and Plomin, R. and Ronald, Angelica (2014) Strong genetic influences on the stability of autistic traits in childhood. Journal of the American Academy of Child and Adolescent Psychiatry 53 (2), pp. 221-230. ISSN 0890-8567.

Hallett, V. and Ronald, Angelica and Colvert, E. and Ames, C. and Woodhouse, E. and Lietz, S. and Garnett, T. and Gillan, N. and Rijsdijk, F. and Scahill, L. and Bolton, P. and Happé, F. (2013) Exploring anxiety symptoms in a large-scale twin study of children with autism spectrum disorders, their co-twins and controls. Journal of Child Psychology and Psychiatry 54 (11), pp. 1176-1185. ISSN 0021-9630.

Taylor, M.J. and Charman, T. and Robinson, E.B. and Plomin, R. and Happé, F. and Asherson, P. and Ronald, Angelica (2013) Developmental associations between traits of autism spectrum disorder and attention-deficit/hyperactivity disorder: a genetically-informative, longitudinal twin study. Psychological Medicine 43 (08), pp. 1735-1746. ISSN 0033-2917.

Robinson, E.B. and Lichtenstein, P. and Anckarsäter, H. and Happé, F. and Ronald, Angelica (2013) Examining and interpreting the female protective effect against autistic behavior. Proceedings of the National Academy of Sciences of the United States of America 110 (13), pp. 5258-5262. ISSN 0027-8424.

Dworzynski, K. and Ronald, Angelica and Bolton, P. and Happé, F. (2012) How different are girls and boys above and below the diagnostic threshold for Autism Spectrum Disorders? Journal of the American Academy of Child and Adolescent Psychiatry 51 (8), pp. 788-797. ISSN 0890-8567.

Hallett, V. and Ronald, Angelica and Rijsdijk, F. and Happé, F. (2012) Disentangling the associations between autistic-like and internalizing traits: a community based twin study. Journal of Abnormal Child Psychology 40 (5), pp. 815-827. ISSN 0091-0627.

Karmiloff-Smith, Annette and Broadbent, H. and Farran, E.K. and Longhi, E. and D'Souza, Dean and Metcalfe, K. and Tassabehji, M. and Wu, Rachel and Senju, Atsushi and Happé, F. and Turnpenny, P. and Sansbury, F. (2012) Social cognition in Williams Syndrome: genotype/phenotype insights from partial deletion patients. Frontiers in Psychology 3 , ISSN 1664-1078.

Robinson, E.B. and Koenen, K.C. and McCormick, M.C. and Munir, K. and Hallett, V. and Happé, F. and Plomin, R. and Ronald, Angelica (2012) A multivariate twin study of autistic traits in 12-year-olds: testing the fractionable autism triad hypothesis. Behavior Genetics 42 (2), pp. 245-255. ISSN 0001-8244.

Robinson, E.B. and Koenen, K.C. and McCormick, M.C. and Munir, K. and Hallett, V. and Happé, F. and Plomin, R. and Ronald, Angelica (2011) Evidence that autistic traits show the same etiology in the general population and at the quantitative extremes (5%, 2.5%, and 1%). Archives of General Psychiatry 68 (11), pp. 1113-1121. ISSN 0003-990X.

Curran, S. and Dworzynski, K. and Happé, F. and Ronald, Angelica and Allison, C. and Baron-Cohen, S. and Brayne, C. and Bolton, P.F. (2011) No major effect of twinning on autistic traits. Autism Research 4 (5), pp. 377-382. ISSN 1939-3792.

Moruzzi, S. and Ogliari, A. and Ronald, Angelica and Happé, F. and Battaglia, M. (2011) The nature of covariation between autistic traits and clumsiness: a twin study in a general population sample. Journal of Autism and Developmental Disorders 41 (12), pp. 1665-1674. ISSN 0162-3257.

Hallett, V. and Ronald, Angelica and Rijsdijk, F. and Happé, F. (2010) Association of autistic-like and internalizing traits during childhood: a longitudinal twin study. American Journal of Psychiatry 167 (7), pp. 809-817. ISSN 0002-953X.

Ronald, Angelica and Happé, F. and Dworzynski, K. and Bolton, P. and Plomin, R. (2010) Exploring the relation between prenatal and neonatal complications and later autistic-Like features in a representative community sample of twins. Child Development 81 (1), pp. 166-182. ISSN 0009-3920.

Ronald, Angelica and Hoekstra, R.A. and Happé, F. and Baron-Cohen, S. (2010) Limited genetic covariance between autistic traits and intelligence: findings from a longitudinal twin study. American Journal of Medical Genetics Part B: Neuropsychiatric Genetics 153b (5), pp. 994-1007. ISSN 1552-4841.

Hoekstra, R.A. and Happé, F. and Baron-Cohen, S. and Ronald, Angelica (2009) Association between extreme autistic traits and intellectual disability: insights from a general population twin study. British Journal of Psychiatry 195 (6), pp. 531-536. ISSN 0007-1250.

Vital, P.M. and Ronald, Angelica and Wallace, G.L. and Happé, F. (2009) Relationship between special abilities and autistic-like traits in a large population-based sample of 8-year-olds. Journal of Child Psychology and Psychiatry and Allied Disciplines 50 (9), pp. 1093-1101. ISSN 0021-9630.

Dworzynski, K. and Happé, F. and Bolton, P. and Ronald, Angelica (2009) Relationship between symptom domains in autism spectrum disorders: a population based twin study. Journal of Autism and Developmental Disorders 39 (8), pp. 1197-1210. ISSN 0162-3257.

Hallett, V. and Ronald, Angelica and Happé, F. (2009) Investigating the association between autistic-like and internalizing traits in a community-based twin sample. Journal of the American Academy of Child and Adolescent Psychiatry 48 (6), pp. 618-627. ISSN 0890-8567.

Happé, F. and Ronald, Angelica (2008) The 'Fractionable Autism Triad': a review of evidence from behavioural, genetic, cognitive and neural research. Neuropsychology Review 18 (4), pp. 287-304. ISSN 1040-7308.

Ronald, Angelica and Happé, F. and Plomin, R. (2008) A twin study investigating the genetic and environmental aetiologies of parent, teacher and child ratings of autistic-like traits and their overlap. European Child & Adolescent Psychiatry 17 (8), pp. 473-483. ISSN 1018-8827.

Hoekstra, R.A. and Ronald, Angelica and Happé, F. and Baron-Cohen, S. and Plomin, R. (2008) Genetic influences on extreme autistic traits and intellectual impairment: overlap and specificity. Behavior Genetics 38 (6), pp. 630-631. ISSN 0001-8244.

Dworzynski, K. and Ronald, Angelica and Hayiou-Thomas, M.E. and McEwan, F. and Happé, F. and Bolton, P. and Plomin, R. (2008) Developmental path between language and autistic-like impairments: a twin study. Infant and Child Development 17 (2), pp. 121-136. ISSN 1099-0917.

Dworzynski, K. and Ronald, Angelica and Hayiou-Thomas, M. and Rijskijk, F. and Happé, F. and Bolton, P. and Plomin, R. (2007) Aetiological relationship between language performance and autistic-like traits in childhood: a twin study. International Journal of Language and Communication Disorders 42 (3), pp. 273-292. ISSN 1368-2822.

Ronald, Angelica and Viding, E. and Happé, F. and Plomin, R. (2007) Individual differences in theory of mind ability in middle childhood and links with verbal ability and autistic traits: a twin study. Social Neuroscience 1 (3-4), pp. 412-425. ISSN 1747-0919.

McEwen, F. and Happé, F. and Bolton, P. and Ronald, Angelica and Rijsdijk, F. and Plomin, R. (2007) Origins of individual differences in imitation: links with language, pretend play, and rudimentary theory of mind in two-year-old twins. Child Development 78 (2), pp. 474-492. ISSN 0009-3920.

Ronald, Angelica and Happé, F. and Bolton, P. and Butcher, L.M. and Price, T.S. and Wheelwright, S. and Baron-Cohen, S. and Plomin, R. (2006) Genetic heterogeneity between the three components of the autism spectrum: a twin study. Journal of the American Academy of Child and Adolescent Psychiatry 45 (6), pp. 691-699. ISSN 0890-8567.

Ronald, Angelica and Happé, F. and Price, T.S. and Baron-Cohen, S. and Plomin, R. (2006) Phenotypic and genetic overlap between autistic traits at the extremes of the general population. Journal of the American Academy of Child and Adolescent Psychiatry 45 (10), pp. 1206-1214. ISSN 0890-8567.

Happé, F. and Ronald, Angelica and Plomin, R. (2006) Time to give up on a single explanation for autism. Nature Neuroscience 9 , pp. 1218-1220. ISSN 1546-1726.

Ronald, Angelica and Happé, F. and Hughes, C. and Plomin, R. (2005) Nice and nasty theory of mind in preschool children: nature and nurture. Social Development 14 (4), pp. 664-684. ISSN 0961-205X.

Ronald, Angelica and Happé, F. and Plomin, R. (2005) The genetic relationship between individual differences in social and nonsocial behaviours characteristic of autism. Developmental Science 8 (5), pp. 444-458. ISSN 1363-755X.

Letter

Ronald, Angelica and Happé, F. and Plomin, R. and Baron-Cohen, S. and Knickmeyer, R.C. and Belmonte, M.K. (2006) Genetic research into autism. [Letter]