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Havers, Laura and von Stumm, Sophie and Cardno, A.G. and Freeman, D. and Ronald, Angelica (2023) Psychotic experiences and negative symptoms from adolescence to emerging adulthood: developmental trajectories and associations with polygenic scores and childhood characteristics. Psychological Medicine 53 (12), pp. 5685-5697. ISSN 0033-2917.

Taylor, M.J. and Freeman, D. and Lundstrom, S. and Larsson, H. and Ronald, Angelica (2022) Heritability of psychotic experiences in adolescents and interaction with environmental risk. JAMA Psychiatry 79 (9), pp. 889-897. ISSN 2168-622X.

Havers, Laura and Cardno, A.G. and Freeman, D. and Ronald, Angelica (2022) The latent structure of negative symptoms in the general population in adolescence and emerging adulthood. Schizophrenia Bulletin Open 3 (1), ISSN 2632-7899.

Cardno, A.G. and Selzam, S. and Freeman, D. and Ronald, Angelica (2021) Psychotic-like experiences in adolescence occurring in combination or isolation: associations with Schizophrenia risk factors. Psychiatric Research and Clinical Practice 3 (2), pp. 67-75. ISSN 2575-5609.

Barkhuizen, W. and Taylor, M.J. and Freeman, D. and Ronald, Angelica (2018) A twin study on the association between psychotic experiences and tobacco use during adolescence. Journal of the American Academy of Child and Adolescent Psychiatry 58 (2), 267-276.e8. ISSN 0890-8567.

Pain, O. and Dudbridge, F. and Cardno, A.G. and Freeman, D. and Yi, L. and Lundstrom, S. and Lichtenstein, P. and Ronald, Angelica (2018) Genome-wide analysis of adolescent psychotic-like experiences shows genetic overlap with psychiatric disorders. American Journal of Medical Genetics Part B: Neuropsychiatric Genetics 177 (4), pp. 416-425. ISSN 1552-4841.

Shakoor, Sania and McGuire, P. and Cardno, A.G. and Freeman, D. and Ronald, Angelica (2017) A twin study exploring the association between childhood emotional and behaviour problems and specific psychotic experiences in a community sample of adolescents. Journal of Child Psychology and Psychiatry 59 (5), pp. 565-573. ISSN 0021-9630.

Hosang, G. and Cardno, A.G. and Freeman, D. and Ronald, Angelica (2017) Characterization and structure of hypomania in a British nonclinical adolescent sample. Journal of Affective Disorders 207 , pp. 228-235. ISSN 0165-0327.

Taylor, Mark J. and Freeman, D. and Ronald, Angelica (2016) Dimensional psychotic experiences in adolescence: Evidence from a taxometric study of a community-based sample. Psychiatry Research 241 , pp. 35-42. ISSN 0165-1781.

Shakoor, Sania and Zavos, H. and Haworth, C.M.A. and McGuire, P. and Cardno, A.G. and Freeman, D. and Ronald, Angelica (2016) Association between stressful life events and psychotic experiences in adolescence: evidence for gene-environment correlations. British Journal of Psychiatry 208 (6), pp. 532-538. ISSN 0007-1250.

Zavos, H.M.S. and Eley, T.E. and McGuire, P. and Plomin, R. and Cardno, A.G. and Freeman, D. and Ronald, Angelica (2016) Shared etiology of psychotic experiences and depressive symptoms in adolescence: a longitudinal twin study. Schizophrenia Bulletin 42 (5), pp. 1197-1206. ISSN 0586-7614.

Sieradzka, D. and Power, R.A. and Freeman, D. and Cardno, A.G. and Dudbridge, F. and Ronald, Angelica (2015) Heritability of individual psychotic experiences captured by common genetic variants in a community sample of adolescents. Behavior Genetics 45 (5), pp. 493-502. ISSN 0001-8244.

Taylor, M. J. and Gregory, A. M. and Freeman, D. and Ronald, Angelica (2015) Do sleep disturbances and psychotic-like experiences in adolescence share genetic and environmental influences? Journal of Abnormal Psychology 124 (3), pp. 674-684. ISSN 0021-843X.

Shakoor, Sania and Zavos, H. and McGuire, P. and Cardno, A.G. and Freeman, D. and Ronald, Angelica (2015) Psychotic experiences are linked to cannabis use in adolescents in the community because of common underlying environmental risk factors. Psychiatry Research 227 (2-3), pp. 144-151. ISSN 0165-1781.

Shakoor, Sania and McGuire, P. and Cardno, A.G. and Freeman, D. and Plomin, R. and Ronald, Angelica (2015) A shared genetic propensity underlies experiences of bullying victimization in late childhood and self-rated paranoid thinking in adolescence. Schizophrenia Bulletin 41 (3), pp. 754-763. ISSN 0586-7614.

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.

Ronald, Angelica and Sieradzka, D. and Cardno, A.G. and Haworth, C. and McGuire, P. and Freeman, D. (2014) Characterization of psychotic experiences in adolescence using the Specific Psychotic Experiences Questionnaire (SPEQ): findings from a study of 5000 16-year-old twins. Schizophrenia Bulletin 40 (4), pp. 868-877. ISSN 0586-7614.

Jackson, A.T. and Thalassinos, Konstantinos and John, R.O. and McGuire, N. and Freeman, D. and Scrivens, J.H. (2010) Characterisation of end groups in poly(2-hydroxyethyl methacrylate) by means of electrospray ionisation-mass spectrometry/mass spectrometry (ESI-MS/MS). Polymer 51 (6), pp. 1418-1424. ISSN 0032-3861.

Mulvey, Laura (2010) Cinema, synch sound and Europe 1929: reflections on coincidence. In: Sider, L. and Freeman, D. and Sider, J. (eds.) Soundscapes: The School of Sound Lectures 1998-2001. London, UK: Wallflower Press. ISBN 9780956563903.

Gracie, A. and Freeman, D. and Green, Simon and Garety, P.A. and Kuipers, E. and Hardy, A. and Ray, K. and Dunn, G. and Bebbington, P. and Fowler, D. (2007) The association between traumatic experience, paranoia and hallucinations: a test of the predictions of psychological models. Acta Psychiatrica Scandinavica 116 (4), pp. 280-289. ISSN 0001-690X.

Christie, Ian (2003) Asynchrony. In: Sider, L. and Freeman, D. (eds.) Soundscape: The School of Sound Lectures 1998-2001. New York, USA: Wallflower Press. ISBN 9781903364598.