Paul Fearon

Summary

Affiliation: King's College London
Country: UK

Publications

  1. pmc Environmental factors in schizophrenia: the role of migrant studies
    Paul Fearon
    Division of Psychological Medicine, Institute of Psychiatry, King s College, London
    Schizophr Bull 32:405-8. 2006
  2. doi request reprint Differential relationship between neurological and cognitive dysfunction in first episode psychosis patients and in healthy individuals
    Zefiro Mellacqua
    King s College London, Institute of Psychiatry, Department of Psychosis Studies, London, UK
    Schizophr Res 142:159-64. 2012
  3. ncbi request reprint Duration of untreated psychosis and neuropsychological function in first episode psychosis
    Julia M Lappin
    Kings College Hospital Institute of Psychiatry, Division of Psychological Medicine, PO63, De Crespigny Park, Denmark Hill, London, SE5 8AF, UK
    Schizophr Res 95:103-10. 2007
  4. ncbi request reprint Duration of prodromal phase and severity of volumetric abnormalities in first-episode psychosis
    Julia M Lappin
    King s College London, Institute of Psychiatry, London, UK
    Br J Psychiatry Suppl 51:s123-7. 2007
  5. ncbi request reprint Sexually dimorphic changes in the amygdala in relation to delusional beliefs in first episode psychosis
    Ayana A Gibbs
    Division of Psychological Medicine, Institute of Psychiatry, King s College, P O Box, De Crespigny Park, London SE5 8AF, UK
    J Psychiatr Res 42:913-9. 2008
  6. doi request reprint Assessment of posttraumatic symptoms in patients with first-episode psychosis
    Ingo Schafer
    Universitatsklinikum Hamburg Eppendorf, Martinistrasse 52, Hamburg, Germany
    J Nerv Ment Dis 199:896-8. 2011
  7. doi request reprint Unemployment, social isolation, achievement-expectation mismatch and psychosis: findings from the AESOP Study
    Ulrich A Reininghaus
    Health Services and Population Research Department, Institute of Psychiatry, King s College, De Crespigny Park, London, UK
    Soc Psychiatry Psychiatr Epidemiol 43:743-51. 2008
  8. doi request reprint Long-term maternal recall of obstetric complications in schizophrenia research
    Muriel Walshe
    King s College London, King s Health Partners, Institute of Psychiatry, Department of Psychosis Studies and NIHR Biomedical Research Centre, London, SE5 8AF, UK
    Psychiatry Res 187:335-40. 2011
  9. ncbi request reprint Parental separation, loss and psychosis in different ethnic groups: a case-control study
    Craig Morgan
    Division of Psychological Medicine, Institute of Psychiatry, London, UK
    Psychol Med 37:495-503. 2007
  10. doi request reprint Is there a link between childhood trauma, cognition, and amygdala and hippocampus volume in first-episode psychosis?
    Monica Aas
    Department of Psychosis Studies, Institute of Psychiatry, King s College London, London, UK
    Schizophr Res 137:73-9. 2012

Detail Information

Publications48

  1. pmc Environmental factors in schizophrenia: the role of migrant studies
    Paul Fearon
    Division of Psychological Medicine, Institute of Psychiatry, King s College, London
    Schizophr Bull 32:405-8. 2006
    ..The challenge for the next phase of studies is to identify the relevant risk factors and how they might interact to increase the risk of psychosis, both in migrant groups and in the general population...
  2. doi request reprint Differential relationship between neurological and cognitive dysfunction in first episode psychosis patients and in healthy individuals
    Zefiro Mellacqua
    King s College London, Institute of Psychiatry, Department of Psychosis Studies, London, UK
    Schizophr Res 142:159-64. 2012
    ..004); and motor signs with poorer verbal abilities (p=0.001). These findings indicate the presence of specific associations between neurological and cognitive deficits in psychosis that are distinct from those of healthy individuals...
  3. ncbi request reprint Duration of untreated psychosis and neuropsychological function in first episode psychosis
    Julia M Lappin
    Kings College Hospital Institute of Psychiatry, Division of Psychological Medicine, PO63, De Crespigny Park, Denmark Hill, London, SE5 8AF, UK
    Schizophr Res 95:103-10. 2007
    ..We predicted that longer DUP would be associated with greater neurocognitive impairment...
  4. ncbi request reprint Duration of prodromal phase and severity of volumetric abnormalities in first-episode psychosis
    Julia M Lappin
    King s College London, Institute of Psychiatry, London, UK
    Br J Psychiatry Suppl 51:s123-7. 2007
    ..First-episode psychosis is typically preceded by a prodrome in which there is deterioration in global and social functioning...
  5. ncbi request reprint Sexually dimorphic changes in the amygdala in relation to delusional beliefs in first episode psychosis
    Ayana A Gibbs
    Division of Psychological Medicine, Institute of Psychiatry, King s College, P O Box, De Crespigny Park, London SE5 8AF, UK
    J Psychiatr Res 42:913-9. 2008
    ..The present study explored the relationship between amygdala morphology and mood congruent and mood incongruent delusional beliefs...
  6. doi request reprint Assessment of posttraumatic symptoms in patients with first-episode psychosis
    Ingo Schafer
    Universitatsklinikum Hamburg Eppendorf, Martinistrasse 52, Hamburg, Germany
    J Nerv Ment Dis 199:896-8. 2011
    ..Overall, the findings suggest that the IES can be used to assess symptoms of posttraumatic stress in patients with psychotic disorders as in other populations...
  7. doi request reprint Unemployment, social isolation, achievement-expectation mismatch and psychosis: findings from the AESOP Study
    Ulrich A Reininghaus
    Health Services and Population Research Department, Institute of Psychiatry, King s College, De Crespigny Park, London, UK
    Soc Psychiatry Psychiatr Epidemiol 43:743-51. 2008
    ....
  8. doi request reprint Long-term maternal recall of obstetric complications in schizophrenia research
    Muriel Walshe
    King s College London, King s Health Partners, Institute of Psychiatry, Department of Psychosis Studies and NIHR Biomedical Research Centre, London, SE5 8AF, UK
    Psychiatry Res 187:335-40. 2011
    ..Assessing the cognition of participants in retrospective studies may allow future studies to increase the reliability of their data...
  9. ncbi request reprint Parental separation, loss and psychosis in different ethnic groups: a case-control study
    Craig Morgan
    Division of Psychological Medicine, Institute of Psychiatry, London, UK
    Psychol Med 37:495-503. 2007
    ..We sought to investigate the relationship between long-term separation from, and death of, a parent before the age of 16 and risk of adult psychosis in different ethnic groups...
  10. doi request reprint Is there a link between childhood trauma, cognition, and amygdala and hippocampus volume in first-episode psychosis?
    Monica Aas
    Department of Psychosis Studies, Institute of Psychiatry, King s College London, London, UK
    Schizophr Res 137:73-9. 2012
    ..This points to a complex relationship between childhood trauma exposure, cognitive function and amygdala volume in first-episode psychosis...
  11. doi request reprint Length of stay of general psychiatric inpatients in the United States: systematic review
    Alex D Tulloch
    Department of Psychiatry, Institute of Psychiatry, Kings College London, De Crespigny Park, London, SE5 8AF, UK
    Adm Policy Ment Health 38:155-68. 2011
    ..Associations appeared consistent, especially where sample size was above 3,000. Updated studies should be adequately powered and include the variables above...
  12. ncbi request reprint Familial liability to schizophrenia and premorbid adjustment
    Muriel Walshe
    Division of Psychological Medicine, Institute of Psychiatry, De Crespigny Park, London SE5 8AF, UK
    Br J Psychiatry 191:260-1. 2007
    ..Unaffected siblings from multiply affected families also had poor academic functioning in adolescence, with a decline between childhood and adolescence. This may represent a familial (presumed genetic) effect...
  13. ncbi request reprint Clinical and social determinants of duration of untreated psychosis in the AESOP first-episode psychosis study
    Craig Morgan
    Division of Psychological Medicine, Institute of Psychiatry, De Crespigny Park, London SE5 8AF, UK
    Br J Psychiatry 189:446-52. 2006
    ..Despite considerable research investigating the relationship between a long duration of untreated psychosis (DUP) and outcomes, there has been much less considering predictors of a long DUP...
  14. doi request reprint Residential mobility among individuals with severe mental illness: cohort study of UK700 participants
    Alex D Tulloch
    Department of Psychiatry, Institute of Psychiatry, Kings College London, De Crespigny Park, London, SE5 8AF, UK
    Soc Psychiatry Psychiatr Epidemiol 45:767-77. 2010
    ..There is limited research concerning residential mobility among people with severe mental illness...
  15. doi request reprint Criminal offending and distinguishing features of offenders among persons experiencing a first episode of psychosis
    Sheilagh Hodgins
    Department of Forensic and Neurodevelopmental Sciences, Institute of Psychiatry, King s College London, London, UK
    Early Interv Psychiatry 5:15-23. 2011
    ..Most offenders with SMI acquire convictions prior to contact with mental health services. This study examined offending among 301 individuals experiencing their first episode of psychosis...
  16. ncbi request reprint Social outcomes in schizophrenia: from description to action
    Alex D Tulloch
    Department of Psychological Medicine, Institute of Psychiatry, London, UK
    Curr Opin Psychiatry 19:140-4. 2006
    ..The studies we reviewed looked at the effects on summary measures, for example, quality of life, as well as simpler, more self-explanatory outcomes such as employment, marital status, financial independence and housing...
  17. doi request reprint Neurological abnormalities and cognitive ability in first-episode psychosis
    Paola Dazzan
    Department of Psychiatry, Box 63, Institute of Psychiatry, De Crespigny Park, London SE5 8AF, UK
    Br J Psychiatry 193:197-202. 2008
    ....
  18. doi request reprint Gender differences in the association between childhood abuse and psychosis
    Helen Fisher
    PO 80, Social, Genetic and Developmental Psychiatry Centre, Institute of Psychiatry, King s College London, De Crespigny Park, London SE5 8AF, UK
    Br J Psychiatry 194:319-25. 2009
    ..Studies demonstrating an association between childhood trauma and psychosis in adulthood have not systematically explored gender differences...
  19. doi request reprint Selective deficits in semantic verbal fluency in patients with a first affective episode with psychotic symptoms and a positive history of mania
    Eugenia Kravariti
    Department of Psychiatry, NIHR Biomedical Research Centre, Maudsley NHS Foundation Trust Institute of Psychiatry, King s College London, Box 58, De Crespigny Park, London SE5 8AF, UK
    Bipolar Disord 11:323-9. 2009
    ..We investigated neuropsychological performance in an epidemiologically derived sample of patients with a first affective episode with psychotic symptoms and a positive history of mania, compared to community controls...
  20. ncbi request reprint Gender differences in incidence and age at onset of mania and bipolar disorder over a 35-year period in Camberwell, England
    Noel Kennedy
    Section of General Psychiatry, Division of Psychological Medicine, Institute of Psychiatry, De Crespigny Park, London SE5 8AF, UK
    Am J Psychiatry 162:257-62. 2005
    ..The authors investigated gender differences in age at onset and incidence of first-episode mania and bipolar disorder in an epidemiological catchment area in southeast London over a 35-year period...
  21. pmc Reliability and comparability of psychosis patients' retrospective reports of childhood abuse
    Helen L Fisher
    Institute of Psychiatry, King s College London, De Crespigny Park, London SE5 8AF, UK
    Schizophr Bull 37:546-53. 2011
    ..159, P=.419; antipathy: χ(2)=0.868, P=.229; neglect: χ(2)=0.639, P=.274). These findings provide justification for the use in future studies of retrospective reports of childhood abuse obtained from individuals with psychotic disorders...
  22. doi request reprint Neuropsychological functioning in first-episode schizophrenia
    Eugenia Kravariti
    Department of Psychiatry, NIHR Biomedical Research Centre for Mental Health, South London and Maudsley NHS Foundation Trust and Institute of Psychiatry, King s College London, London
    Br J Psychiatry 195:336-45. 2009
    ....
  23. doi request reprint The role of ethnicity in clinical psychopathology and care pathways of adults with intellectual disabilities
    Elias Tsakanikos
    Estia Centre, Institute of Psychiatry, King s College London, 66 Snowsfields, London SE1 3SS, UK
    Res Dev Disabil 31:410-5. 2010
    ..The results are discussed in the context of cultural and familial factors in particular ethnic groups that may play an important role in accessing and using mental health services...
  24. doi request reprint Specific and generalized neuropsychological deficits: a comparison of patients with various first-episode psychosis presentations
    Jolanta Zanelli
    Institute of Psychiatry, PO63, Division of Psychological Medicine and Psychiatry, De Crespigny Park, Denmark Hill, London SE5 8AF, UK
    Am J Psychiatry 167:78-85. 2010
    ..In the context of four distinct diagnostic groups, the authors compared neuropsychological performance among patients experiencing their first psychotic episode...
  25. ncbi request reprint Brain volumes in adult survivors of very low birth weight: a sibling-controlled study
    Paul Fearon
    Section of General Psychiatry, Division of Psychological Medicine, Box 63, Institute of Psychiatry, London SE5 8AF, United Kingdom
    Pediatrics 114:367-71. 2004
    ..To establish whether adults who were born very low birth weight (VLBW) show altered volumes of certain brain structures...
  26. ncbi request reprint Effects of very low birthweight on brain structure in adulthood
    Matthew Allin
    Department of Psychiatry, Institute of Psychiatry, King s College, London, UK
    Dev Med Child Neurol 46:46-53. 2004
    ..We conclude that these diffuse abnormalities of grey and white matter are a consequence of the interaction of perinatal brain injury and ongoing neurodevelopmental processes...
  27. ncbi request reprint The structural brain correlates of neurological soft signs in AESOP first-episode psychoses study
    Paola Dazzan
    Division of Psychological Medicine, Box 63, Institute of Psychiatry, De Crespigny Park, London SE5 8AF, UK
    Brain 127:143-53. 2004
    ....
  28. doi request reprint Self-harm in first-episode psychosis
    Samuel B Harvey
    Department of Psychological Medicine, Institute of Psychiatry, King s College London, Weston Education Centre, 10 Cutcombe Road, London SE5 9RJ, UK
    Br J Psychiatry 192:178-84. 2008
    ..Little is known about self-harm occurring during the period of untreated first-episode psychosis...
  29. ncbi request reprint Different effects of typical and atypical antipsychotics on grey matter in first episode psychosis: the AESOP study
    Paola Dazzan
    Division of Psychological Medicine, Institute of Psychiatry, King s College, London, UK
    Neuropsychopharmacology 30:765-74. 2005
    ..In conclusion, we would like to suggest that even after short-term treatment, typical and atypical antipsychotics may affect brain structure differently...
  30. ncbi request reprint Duration of untreated psychosis and ethnicity in the AESOP first-onset psychosis study
    Craig Morgan
    Division of Psychological Medicine, Institute of Psychiatry, De Crespigny Park, London, UK
    Psychol Med 36:239-47. 2006
    ..There is a common assumption that Black patients with a psychotic mental illness experience longer treatment delays during a first episode. We sought to investigate this issue in a large cohort of patients with a first episode of psychosis...
  31. ncbi request reprint Suicide and other causes of mortality in bipolar disorder: a longitudinal study
    Rina Dutta
    Division of Psychiatry and Psychological Medicine, Institute of Psychiatry, London, UK
    Psychol Med 37:839-47. 2007
    ..There is conflicting evidence about deaths from other causes and little known about risk factors for suicide. We aimed to estimate suicide and mortality rates in a cohort of bipolar patients and to identify risk factors for suicide...
  32. ncbi request reprint The structural brain correlates of neurological soft signs in healthy individuals
    Paola Dazzan
    King s College London, Institute of Psychiatry, Division of Psychological Medicine, London, UK
    Cereb Cortex 16:1225-31. 2006
    ..Therefore, we suggest that these cortical brain structural changes represent a common neuroanatomical substrate of NSS, across healthy individuals and patients with psychosis...
  33. ncbi request reprint Increased pituitary volume in antipsychotic-free and antipsychotic-treated patients of the AEsop first-onset psychosis study
    Carmine M Pariante
    Stress, Psychiatry and Immunology Laboratory, Division of Psychological Medicine, Clinical Neuropharmacology PO51, Institute of Psychiatry, King s College London, 1 Windsor Walk, Denmark Hill, London SE5 8AF, UK
    Neuropsychopharmacology 30:1923-31. 2005
    ..This activation of the hormonal stress response could participate to the important metabolic abnormalities observed in patients with psychosis...
  34. ncbi request reprint Gray matter abnormalities associated with duration of untreated psychosis
    Julia M Lappin
    Kings College London Institute of Psychiatry, PO63, Division of Psychological Medicine, King s College London, London SE5 8AF, United Kingdom
    Schizophr Res 83:145-53. 2006
    ..In order to identify whether an anatomically mediated mechanism may give rise to poorer outcomes, it is important to identify whether a long DUP is associated with greater brain structural abnormalities...
  35. ncbi request reprint Dermatoglyphics and Schizophrenia: a meta-analysis and investigation of the impact of obstetric complications upon a-b ridge count
    Elvira Bramon
    Division of Psychological Medicine, Institute of Psychiatry, P O Box 63, De Crespigny Park, London SE5 8AF, UK
    Schizophr Res 75:399-404. 2005
    ..However, the severity or the origin of these ABRC changes has not been established...
  36. doi request reprint The determinants and outcomes of long-stay psychiatric admissions: a case-control study
    Alex D Tulloch
    Division of Psychological Medicine and Psychiatry, Institute of Psychiatry, King s College London, De Crespigny Park, London, SE5 8AF, UK
    Soc Psychiatry Psychiatr Epidemiol 43:569-74. 2008
    ..Previous studies have suggested an association between long-stay and both schizophrenia and challenging behaviour, as well as rehousing or placement difficulties, but no UK study to date has compared such cases with control admissions...
  37. pmc Associations of homelessness and residential mobility with length of stay after acute psychiatric admission
    Alex D Tulloch
    King s College London, King s Health Partners, Institute of Psychiatry, De Crespigny Park, London SE5 8AF, UK
    BMC Psychiatry 12:121. 2012
    ....
  38. doi request reprint Timing, prevalence, determinants and outcomes of homelessness among patients admitted to acute psychiatric wards
    Alex D Tulloch
    Department of Psychosis Studies, Institute of Psychiatry, Kings College London, De Crespigny Park, London, SE5 8AF, UK
    Soc Psychiatry Psychiatr Epidemiol 47:1181-91. 2012
    ..To document the prevalence, timing, associations and short-term housing outcomes of homelessness among acute psychiatric inpatients...
  39. ncbi request reprint Incidence of schizophrenia and other psychoses in ethnic minority groups: results from the MRC AESOP Study
    Paul Fearon
    Division of Psychological Medicine, Institute of Psychiatry, King s College, London, UK
    Psychol Med 36:1541-50. 2006
    ..We sought to clarify whether (a) the rates of other psychotic disorders are increased, (b) whether psychosis is increased in other ethnic minority groups, and (c) whether particular age or gender groups are especially at risk...
  40. ncbi request reprint The relationship between predisposing factors, premorbid function and symptom dimensions in psychosis: an integrated approach
    Almudena Guerra
    Gerencia Torribera, Santa Coloma de Gramenet, Barcelona, Spain
    Eur Psychiatry 17:311-20. 2002
    ..If so, particular risk factors and premorbid factors may predict these symptom clusters...
  41. ncbi request reprint Heterogeneity in incidence rates of schizophrenia and other psychotic syndromes: findings from the 3-center AeSOP study
    James B Kirkbride
    Department of Psychiatry, University of Cambridge, Cambridge, England
    Arch Gen Psychiatry 63:250-8. 2006
    ..Convention suggests uniformity of incidence of schizophrenia and other psychoses; variation would have implications for their causes and biological characteristics...
  42. ncbi request reprint Incidence of bipolar affective disorder in three UK cities: results from the AESOP study
    Tuhina Lloyd
    Division of Psychiatry, University of Nottingham, Nottingham, UK
    Br J Psychiatry 186:126-31. 2005
    ..There has been a relative dearth of epidemiological research into bipolar affective disorder. Furthermore, incidence studies of bipolar disorder have been predominantly retrospective and most only included hospital admission cases...
  43. ncbi request reprint Intellectual function and schizophrenia
    Paul Fearon
    Br J Psychiatry 181:276-7. 2002
  44. doi request reprint Perceptions of disadvantage, ethnicity and psychosis
    Claudia Cooper
    UCL Department of Mental Health Sciences, London W1W 7EY, UK
    Br J Psychiatry 192:185-90. 2008
    ..People from Black ethnic groups (African-Caribbean and Black African) are more prone to develop psychosis in Western countries. This excess might be explained by perceptions of disadvantage...
  45. ncbi request reprint Neighbourhood-level effects on psychoses: re-examining the role of context
    James B Kirkbride
    Department of Psychiatry, University of Cambridge, Cambridge, UK
    Psychol Med 37:1413-25. 2007
    ..Cross-level interactions are poorly understood. We investigated these issues using data from the Aetiology and Ethnicity in Schizophrenia and Other Psychoses (AESOP) study...
  46. ncbi request reprint Neighbourhood variation in the incidence of psychotic disorders in Southeast London
    James B Kirkbride
    Dept of Psychiatry, University of Cambridge, Box 189, Cambridge CB2 2QQ, UK
    Soc Psychiatry Psychiatr Epidemiol 42:438-45. 2007
    ..Urbanicity is a risk factor for schizophrenia, but it is unclear whether this risk is homogenous across urban areas...
  47. ncbi request reprint Social experience and psychosis insights from studies of migrant and ethnic minority groups
    Craig Morgan
    Epidemiol Psichiatr Soc 16:118-23. 2007
    ..A more complete understanding of these factors may help us to clarify why there are differences in rates between populations...
  48. doi request reprint Grey matter abnormalities in first-episode schizophrenia and affective psychosis
    Kevin D Morgan
    Department of Psychology, University of Westminster, 309 Regent Street, London W1B 2UW, UK
    Br J Psychiatry Suppl 51:s111-6. 2007
    ..Grey matter and other structural brain abnormalities are consistently reported in first-onset schizophrenia, but less is known about the extent of neuroanatomical changes in first-onset affective psychosis...