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  • Jonna Kuntsi, Frühling Rijsdijk, Angelica Ronald, Philip Asherson, Robert Plomin
  • Psychology, Medicine
  • Biological Psychiatry
  • 2005 (First Published: 1 March 2005)
  • BACKGROUND The high heritability of the core symptoms of attention-deficit/hyperactivity disorder (ADHD) has been repeatedly demonstrated, but few studies to date have investigated the extent toContinue Reading
  • Elise B. Robinson, Karestan C Koenen, +5 authors Angelica Ronald
  • Psychology, Medicine
  • Archives of general psychiatry
  • 2011 (First Published: 1 November 2011)
  • CONTEXT Genetic factors play an important role in the etiology of both autism spectrum disorders and autistic traits. However, little is known about the etiologic consistency of autistic traitsContinue Reading
  • Katharina Dworzynski, Francesca Happé, Patrick F. Bolton, Angelica Ronald
  • Psychology, Medicine
  • Journal of autism and developmental disorders
  • 2009 (First Published: 1 August 2009)
  • Factor structure and relationship between core features of autism (social impairments, communication difficulties, and restricted, repetitive behaviours or interests (RRBIs)) were explored in 189Continue Reading
  • Angelica Ronald, Francesca Happé, Robert Plomin
  • Psychology, Medicine
  • European Child & Adolescent Psychiatry
  • 2008 (First Published: 1 December 2008)
  • In the present study we investigated phenotypic agreement between informants (parent, teacher and child self-report) on ratings of autistic-like traits and compared the genetic and environmentalContinue Reading
  • Rebecca Pinto, Fruhling V. Rijsdijk, Angelica Ronald, Philip Asherson, Jonna Kuntsi
  • Psychology, Medicine
  • Journal of abnormal child psychology
  • 2016 (First Published: 1 February 2016)
  • Attention-deficit/hyperactivity disorder (ADHD) and autism spectrum disorders (ASDs) frequently co-occur. However, due to previous exclusionary diagnostic criteria, little is known about theContinue Reading
    Cannabis users are more likely to have psychotic experiences (PEs). The degree to which these associations are driven by genetic or environmental influences in adolescence is unknown. This studyContinue Reading
  • Juan J Madrid-Valero, Angelica Ronald, Nicholas G. Shakeshaft, Kerry L. Schofield, Margherita Malanchini, Alice M. Gregory
  • Psychology, Medicine
  • Sleep
  • 2019 (First Published: 25 September 2019)
  • STUDY OBJECTIVES There is a well-established association between poor sleep quality and internalising traits. This relationship has previously been studied using a twin design. However, when it comesContinue Reading