Daniel Freeman

Summary

Affiliation: University of Oxford
Country: UK

Publications

  1. doi request reprint Improving cognitive treatments for delusions
    Daniel Freeman
    Department of Psychiatry, Oxford University, Warneford Hospital, Oxford, OX3 7JX, UK
    Schizophr Res 132:135-9. 2011
  2. ncbi request reprint Persecutory delusions and psychological well-being
    Daniel Freeman
    Oxford Cognitive Approaches to Psychosis, University Department of Psychiatry, University of Oxford, Warneford Hospital, Oxford, OX3 7JX, UK
    Soc Psychiatry Psychiatr Epidemiol 49:1045-50. 2014
  3. pmc Height, social comparison, and paranoia: An immersive virtual reality experimental study
    Daniel Freeman
    Department of Psychiatry, University of Oxford, UK Electronic address
    Psychiatry Res 218:348-52. 2014
  4. pmc Paranoia and post-traumatic stress disorder in the months after a physical assault: a longitudinal study examining shared and differential predictors
    D Freeman
    Department of Psychiatry, University of Oxford, UK
    Psychol Med 43:2673-84. 2013
  5. pmc The interaction of affective with psychotic processes: a test of the effects of worrying on working memory, jumping to conclusions, and anomalies of experience in patients with persecutory delusions
    Daniel Freeman
    Department of Psychiatry, University of Oxford, Warneford Hospital, Oxford OX3 7JX, UK Electronic address
    J Psychiatr Res 47:1837-42. 2013
  6. pmc Current paranoid thinking in patients with delusions: the presence of cognitive-affective biases
    Daniel Freeman
    To whom correspondence should be addressed Oxford Cognitive Approaches to Psychosis, University Department of Psychiatry, Oxford University, Warneford Hospital, Oxford, UK, OX3 7JX tel 44 0 1865 226490, fax 44 0 1865 793101, E mail
    Schizophr Bull 39:1281-7. 2013
  7. pmc Cognitive behavioural treatment of insomnia in individuals with persistent persecutory delusions: a pilot trial
    Elissa Myers
    King s College London, Institute of Psychiatry, UK
    J Behav Ther Exp Psychiatry 42:330-6. 2011
  8. doi request reprint Persecutory ideation and a history of cannabis use
    Daniel Freeman
    Oxford Cognitive Approaches to Psychosis, Department of Psychiatry, University of Oxford, Warneford Hospital, Oxford OX3 7JX, United Kingdom
    Schizophr Res 148:122-5. 2013
  9. pmc The effects of using cognitive behavioural therapy to improve sleep for patients with delusions and hallucinations (the BEST study): study protocol for a randomized controlled trial
    Daniel Freeman
    Department of Psychiatry, University of Oxford, Warneford Hospital, Oxford OX3 7JX, UK
    Trials 14:214. 2013
  10. pmc The effects of reducing worry in patients with persecutory delusions: study protocol for a randomized controlled trial
    Daniel Freeman
    Department of Psychiatry, Oxford University, Warneford Hospital, Oxford OX3 7JX, UK
    Trials 13:223. 2012

Detail Information

Publications67

  1. doi request reprint Improving cognitive treatments for delusions
    Daniel Freeman
    Department of Psychiatry, Oxford University, Warneford Hospital, Oxford, OX3 7JX, UK
    Schizophr Res 132:135-9. 2011
    ..The importance for clinical services of cognitive approaches to psychosis will increase further if the theoretical advances can be translated into treatment...
  2. ncbi request reprint Persecutory delusions and psychological well-being
    Daniel Freeman
    Oxford Cognitive Approaches to Psychosis, University Department of Psychiatry, University of Oxford, Warneford Hospital, Oxford, OX3 7JX, UK
    Soc Psychiatry Psychiatr Epidemiol 49:1045-50. 2014
    ..Persecutory delusions are one of the key problems seen in psychotic conditions. The aim of the study was to assess for the first time the levels of psychological well-being specifically in patients with current persecutory delusions...
  3. pmc Height, social comparison, and paranoia: An immersive virtual reality experimental study
    Daniel Freeman
    Department of Psychiatry, University of Oxford, UK Electronic address
    Psychiatry Res 218:348-52. 2014
    ..The study provides the first demonstration that reducing height in a social situation increases the occurrence of paranoia. The findings indicate that negative social comparison is a cause of mistrust. ..
  4. pmc Paranoia and post-traumatic stress disorder in the months after a physical assault: a longitudinal study examining shared and differential predictors
    D Freeman
    Department of Psychiatry, University of Oxford, UK
    Psychol Med 43:2673-84. 2013
    ..The objectives of the study were to assess paranoia and PTSD after an assault and to test whether theory-derived cognitive factors predicted the persistence of these problems...
  5. pmc The interaction of affective with psychotic processes: a test of the effects of worrying on working memory, jumping to conclusions, and anomalies of experience in patients with persecutory delusions
    Daniel Freeman
    Department of Psychiatry, University of Oxford, Warneford Hospital, Oxford OX3 7JX, UK Electronic address
    J Psychiatr Res 47:1837-42. 2013
    ..It demonstrates an interaction between affective and psychotic processes in patients with delusions. ..
  6. pmc Current paranoid thinking in patients with delusions: the presence of cognitive-affective biases
    Daniel Freeman
    To whom correspondence should be addressed Oxford Cognitive Approaches to Psychosis, University Department of Psychiatry, Oxford University, Warneford Hospital, Oxford, UK, OX3 7JX tel 44 0 1865 226490, fax 44 0 1865 793101, E mail
    Schizophr Bull 39:1281-7. 2013
    ..The objective of this study was to examine such affective processes in relation to state paranoia in patients with delusions...
  7. pmc Cognitive behavioural treatment of insomnia in individuals with persistent persecutory delusions: a pilot trial
    Elissa Myers
    King s College London, Institute of Psychiatry, UK
    J Behav Ther Exp Psychiatry 42:330-6. 2011
    ....
  8. doi request reprint Persecutory ideation and a history of cannabis use
    Daniel Freeman
    Oxford Cognitive Approaches to Psychosis, Department of Psychiatry, University of Oxford, Warneford Hospital, Oxford OX3 7JX, United Kingdom
    Schizophr Res 148:122-5. 2013
    ..In this study we tested for an association of cannabis use with a dimensional assessment of persecutory ideation...
  9. pmc The effects of using cognitive behavioural therapy to improve sleep for patients with delusions and hallucinations (the BEST study): study protocol for a randomized controlled trial
    Daniel Freeman
    Department of Psychiatry, University of Oxford, Warneford Hospital, Oxford OX3 7JX, UK
    Trials 14:214. 2013
    ..The clear next step is a pilot randomized controlled test. The clinical aim is to test whether CBT-I can reduce both insomnia and psychotic symptoms. The trial will inform decisions for a definitive large-scale evaluation...
  10. pmc The effects of reducing worry in patients with persecutory delusions: study protocol for a randomized controlled trial
    Daniel Freeman
    Department of Psychiatry, Oxford University, Warneford Hospital, Oxford OX3 7JX, UK
    Trials 13:223. 2012
    ..Therefore the aim of the trial is to test the clinical efficacy of a cognitive-behavioral intervention for worry for patients with persecutory delusions and determine how the worry treatment might reduce delusions...
  11. pmc Patients' beliefs about the causes, persistence and control of psychotic experiences predict take-up of effective cognitive behaviour therapy for psychosis
    D Freeman
    Department of Psychiatry, Oxford University, UK
    Psychol Med 43:269-77. 2013
    ..We hypothesized that patients' initial ideas about the nature and extent of their problems would predict use of CBT. A match between patients' views of their problems and the principles underlying treatment would lead to better outcomes...
  12. doi request reprint Insomnia, worry, anxiety and depression as predictors of the occurrence and persistence of paranoid thinking
    Daniel Freeman
    Department of Psychiatry, Warneford Hospital, Oxford University, Oxford, OX3 7JX, UK
    Soc Psychiatry Psychiatr Epidemiol 47:1195-203. 2012
    ..The study objective was to examine for the first time these factors as predictors of the onset of new paranoid thinking and of the persistence of existing paranoid thinking...
  13. pmc Gut feelings, deliberative thought, and paranoid ideation: a study of experiential and rational reasoning
    Daniel Freeman
    Department of Psychiatry, Oxford University, UK
    Psychiatry Res 197:119-22. 2012
    ..The dual process theory of reasoning may provide a framework to contribute to the understanding of paranoid thinking...
  14. ncbi request reprint A large-scale validation study of the Medication Adherence Rating Scale (MARS)
    Laura Fialko
    Department of Psychology, Institute of Psychiatry, King s College London, University of London, UK
    Schizophr Res 100:53-9. 2008
    ..E., Green,L.W. and Levine,D.M., 1986. Concurrent and predictive validity of a self-reported measure of medication adherence. Medical Care. 24, 67-74] may be a preferable measure of medication adherence behaviour to the total scale score...
  15. pmc Differences in cognitive and emotional processes between persecutory and grandiose delusions
    Philippa A Garety
    Department of Psychology, Institute of Psychiatry, King s College London, PO77, Henry Wellcome Building, De Crespigny Park, London SE5 8AF, UK
    Schizophr Bull 39:629-39. 2013
    ..This is complicated by their frequent cooccurrence in schizophrenia. We hypothesized that persecutory and grandiose subtypes would differ significantly in their associations with psychological processes...
  16. pmc Neuropsychological functioning and jumping to conclusions in delusions
    Philippa Garety
    Department of Psychology, Institute of Psychiatry, King s College London, London, UK Electronic address
    Schizophr Res 150:570-4. 2013
    ..This study investigated the relationship between JTC and hypothesised deficits in working memory, employing standard well-validated neuropsychological tests, in people with current delusions...
  17. doi request reprint Virtual reality and paranoid ideations in people with an 'at-risk mental state' for psychosis
    Lucia R Valmaggia
    Department of Psychological Medicine, PO 67, Institute of Psychiatry, King s College London, De Crespigny Park, London SE5 8AF, UK
    Br J Psychiatry Suppl 51:s63-8. 2007
    ..Virtual reality provides a means of studying paranoid thinking in controlled laboratory conditions. However, this method has not been used with a clinical group...
  18. pmc Cognitive, emotional, and social processes in psychosis: refining cognitive behavioral therapy for persistent positive symptoms
    Elizabeth Kuipers
    King s College London, Institute of Psychiatry, Department of Psychology, PO Box 77, London SE5 8AF, UK
    Schizophr Bull 32:S24-31. 2006
    ..Theoretical ideas supported by experimental evidence can inform the development of cognitive behavior therapy for persistent positive symptoms of psychosis...
  19. ncbi request reprint Reasoning, emotions, and delusional conviction in psychosis
    Philippa A Garety
    Department of Psychology, Institute of Psychiatry, King s College London, London, England
    J Abnorm Psychol 114:373-84. 2005
    ..Emotional states were not associated with the reasoning processes investigated. Anxiety, but not depression, made an independent contribution to delusional conviction...
  20. ncbi request reprint The multidimensional measurement of the positive symptoms of psychosis
    Craig Steel
    Department of Psychology, Institute of Psychiatry, Kings College London, De Crespigny Park, London, UK
    Int J Methods Psychiatr Res 16:88-96. 2007
    ..It is advised that the PSYRATS should not be used as a total score alone, whilst further research is needed to clarify the best use of potential subscales...
  21. doi request reprint Virtual reality study of paranoid thinking in the general population
    Daniel Freeman
    Department of Psychology, Institute of Psychiatry, King s College London, London, UK
    Br J Psychiatry 192:258-63. 2008
    ..A fear of others can be instilled by the contemporary political and social climate. Unfounded mistrust is called paranoia, and in severe forms is a central symptom of schizophrenia...
  22. ncbi request reprint A measure of state persecutory ideation for experimental studies
    Daniel Freeman
    Department of Psychology, Institute of Psychiatry, King s College London, Denmark Hill, London, UK
    J Nerv Ment Dis 195:781-4. 2007
    ..The measure of paranoia in a recent social situation has good psychometric properties...
  23. doi request reprint Paranoid explanations of experience: a novel experimental study
    Catherine E L Green
    Institute of Psychiatry, King s College London, UK
    Behav Cogn Psychother 39:21-34. 2011
    ..Paranoia is a common experience in the non-clinical population. We use a novel experimental methodology to investigate paranoid ideas in individuals without a history of mental illness...
  24. ncbi request reprint Content and affect in persecutory delusions
    Catherine Green
    Department of Psychology, Institute of Psychiatry, Kings College London, UK
    Br J Clin Psychol 45:561-77. 2006
    ..Detailed examinations of the phenomenology of delusional beliefs have been rare, but are important for furthering theoretical and clinical understanding...
  25. ncbi request reprint Delusions and decision-making style: use of the Need for Closure Scale
    Daniel Freeman
    Department of Psychology, Institute of Psychiatry, King s College London, University of London, PO Box 77, Denmark Hill, London, SE5 8AF, UK
    Behav Res Ther 44:1147-58. 2006
    ..Any potential effect on psychotic symptom presentation is indirect, mediated through affect. The use of the NFCS on its own in the study of psychotic symptoms cannot be recommended...
  26. ncbi request reprint The psychology of persecutory ideation II: a virtual reality experimental study
    Daniel Freeman
    Department of Psychology, Institute of Psychiatry, King s College London, London, United Kingdom
    J Nerv Ment Dis 193:309-15. 2005
    ..It is concluded that nonclinical paranoid thoughts are most closely associated with emotional disturbances and anomalous experiences. Extreme reasoning bias may particularly contribute to the development of clinical phenomena...
  27. pmc Studying and treating schizophrenia using virtual reality: a new paradigm
    Daniel Freeman
    Department of Psychology, Institute of Psychiatry, King s College London, Denmark Hill, London, SE5 8AF, UK
    Schizophr Bull 34:605-10. 2008
    ..VR, suitably applied, holds great promise in furthering the understanding and treatment of psychosis...
  28. ncbi request reprint The psychology of persecutory ideation I: a questionnaire survey
    Daniel Freeman
    Department of Psychology, Institute of Psychiatry, King s College London, London, United Kingdom
    J Nerv Ment Dis 193:302-8. 2005
    ..The findings are consistent with the central predictions within the model of paranoia...
  29. pmc Testing the continuum of delusional beliefs: an experimental study using virtual reality
    Daniel Freeman
    Department of Psychology, Institute of Psychiatry, King s College London, London, England
    J Abnorm Psychol 119:83-92. 2010
    ..Persecutory ideation is clearly present outside of clinical groups and there is consistency across the paranoia spectrum in associations with important theoretical variables...
  30. ncbi request reprint Attributional style in psychosis--the role of affect and belief type
    Suzanne Jolley
    Department of Psychology, Institute of Psychiatry, King s College London, University of London, P O Box 77, Denmark Hill, London SE5 8AF, UK
    Behav Res Ther 44:1597-607. 2006
    ..Even within a single symptom group, care should be taken in both research and therapy to consider individual symptom patterns...
  31. ncbi request reprint Can virtual reality be used to investigate persecutory ideation?
    Daniel Freeman
    Department of Psychology, Institute of Psychiatry, King s College London, Denmark Hill, London, UK
    J Nerv Ment Dis 191:509-14. 2003
    ..Virtual reality may prove to be a valuable methodology for developing an understanding of persecutory ideation...
  32. pmc Routes to psychotic symptoms: trauma, anxiety and psychosis-like experiences
    Daniel Freeman
    Department of Psychology, Institute of Psychiatry, King s College London, London, UK
    Psychiatry Res 169:107-12. 2009
    ..The study indicates that trauma may impact non-specifically on delusions via affect but that adverse events may work via a different route in the occurrence of hallucinatory experience. These ideas require tests in longitudinal designs...
  33. ncbi request reprint Caregiving and illness beliefs in the course of psychotic illness
    Juliana Onwumere
    King s College London, Department of Psychology, Institute of Psychiatry, London, England
    Can J Psychiatry 53:460-8. 2008
    ....
  34. ncbi request reprint Acting on persecutory delusions: the importance of safety seeking
    Daniel Freeman
    Department of Psychology, Institute of Psychiatry, King s College London, P O Box 77, University of London, Denmark Hill, London SE5 8AF, UK
    Behav Res Ther 45:89-99. 2007
    ..A study was conducted with the aim of examining the prevalence and correlates of safety behaviours related to persecutory delusions...
  35. doi request reprint Cognitive--behavioural therapy and family intervention for relapse prevention and symptom reduction in psychosis: randomised controlled trial
    Philippa A Garety
    Department of Psychology, PO77, Institute of Psychiatry, De Crespigny Park, London, SE5 8AF, UK
    Br J Psychiatry 192:412-23. 2008
    ..Family intervention reduces relapse rates in psychosis. Cognitive-behavioural therapy (CBT) improves positive symptoms but effects on relapse rates are not established...
  36. ncbi request reprint Jumping to conclusions and paranoid ideation in the general population
    Daniel Freeman
    Department of Psychology, Institute of Psychiatry, King s College London, UK
    Schizophr Res 102:254-60. 2008
    ..The study is a further illustration of the need to consider the dimensions of delusional experience separately...
  37. doi request reprint Intrusive mental imagery in patients with persecutory delusions
    Katja Schulze
    Department of Psychology, Institute of Psychiatry, King s College, London, UK
    Behav Res Ther 51:7-14. 2013
    ..Re-scripting such images and their associated memories might be a way of developing cognitive behavioural therapy for psychosis...
  38. ncbi request reprint Why do people with delusions fail to choose more realistic explanations for their experiences? An empirical investigation
    Daniel Freeman
    Department of Psychology, Institute of Psychiatry, King s College London, University of London, London, United Kingdom
    J Consult Clin Psychol 72:671-80. 2004
    ..Clinicians will need to develop plausible and compelling alternative accounts of experience in interventions rather than merely challenge patients' delusional beliefs...
  39. ncbi request reprint The prediction of hallucinatory predisposition in non-clinical individuals: examining the contribution of emotion and reasoning
    Paul Allen
    Department of Psychological Medicine, Institute of Psychiatry, King s College London, UK
    Br J Clin Psychol 44:127-32. 2005
    ..We report an investigation of the prediction of hallucinatory predisposition by emotion and associated processes (anxiety, depression, stress, self-focused attention) and reasoning (need for closure, extreme responding)...
  40. ncbi request reprint Trauma and hallucinatory experience in psychosis
    Amy Hardy
    Institute of Psychiatry, Kings College London, London, United Kingdom
    J Nerv Ment Dis 193:501-7. 2005
    ..The traumas most likely to be associated with hallucinations were sexual abuse and bullying...
  41. ncbi request reprint Delusions in the nonclinical population
    Daniel Freeman
    Department of Psychology, PO Box 77, Institute of Psychiatry, Kings College London, Denmark Hill, London SE5 8AF, UK
    Curr Psychiatry Rep 8:191-204. 2006
    ..Information about clinical delusions can therefore be obtained by studying delusional ideation in nonclinical populations...
  42. ncbi request reprint Suspicious minds: the psychology of persecutory delusions
    Daniel Freeman
    Department of Psychology, Institute of Psychiatry, King s College London, Denmark Hill, London, UK
    Clin Psychol Rev 27:425-57. 2007
    ..Ten key future research questions are identified, including the need for researchers to consider factors important to the different dimensions of delusional experience...
  43. ncbi request reprint A validation of a new measure of activity in psychosis
    Suzanne Jolley
    King s College London, Department of Psychology, Institute of Psychiatry, Denmark Hill, UK
    Schizophr Res 85:288-95. 2006
    ..We conclude that the time budget measure can be used as an indicator of social functioning, with potential as a measure of therapeutic change. We are currently investigating its sensitivity in this context...
  44. ncbi request reprint Implications for neurobiological research of cognitive models of psychosis: a theoretical paper
    Philippa A Garety
    Department of Psychology, Institute of Psychiatry, King s College London, London, UK
    Psychol Med 37:1377-91. 2007
    ....
  45. ncbi request reprint Discrepant illness perceptions, affect and expressed emotion in people with psychosis and their carers
    Elizabeth Kuipers
    Department of Psychology, King s College London, Institute of Psychiatry, Box PO77, De Crespigny Park, Denmark Hill, London, SE5 8AF, UK
    Soc Psychiatry Psychiatr Epidemiol 42:277-83. 2007
    ..We investigated how illness perceptions relate to affect and expressed emotion (EE) in carer-patient dyads, particularly if their perceptions differed...
  46. ncbi request reprint The psychological effect of an urban environment on individuals with persecutory delusions: the Camberwell walk study
    Lyn Ellett
    Department of Psychology, Institute of Psychiatry, King s College London, University of London, UK
    Schizophr Res 99:77-84. 2008
    ..It was predicted that the urban environment would affect emotional and reasoning processes highlighted in a cognitive model of persecutory delusions and would increase paranoia...
  47. pmc Jumping to conclusions, a lack of belief flexibility and delusional conviction in psychosis: a longitudinal investigation of the structure, frequency, and relatedness of reasoning biases
    Suzanne H So
    King s College London, Institute of Psychiatry, London, United Kingdom
    J Abnorm Psychol 121:129-39. 2012
    ..Required now is examination of these processes in psychosis groups where there is greater change in delusion conviction, as well as tests of the effects on delusions when these reasoning biases are specifically targeted...
  48. ncbi request reprint Developing a theoretical understanding of therapy techniques: an illustrative analogue study
    Daniel Freeman
    Department of Psychology, Institute of Psychiatry, King s College London, UK
    Br J Clin Psychol 44:241-54. 2005
    ....
  49. doi request reprint Jumping to conclusions and persecutory delusions
    Helen Startup
    Department of Psychology, PO Box 77, Institute of Psychiatry, King s College London, Denmark Hill, London, SE5 8AF, UK
    Eur Psychiatry 23:457-9. 2008
    ..A group with persecutory delusions is compared with a sample of non-clinical controls on a probabilistic reasoning task. Results suggest JTC is apparent in individuals with the persecutory sub-type of delusions...
  50. pmc Targeting reasoning biases in delusions: a pilot study of the Maudsley Review Training Programme for individuals with persistent, high conviction delusions
    Helen Waller
    Institute of Psychiatry, King s College London, P O Box P077, 16 De Crespigny Park, London SE5 8AF, UK
    J Behav Ther Exp Psychiatry 42:414-21. 2011
    ..Controlled studies powered to detect changes in key outcomes are warranted in order to evaluate the efficacy of the programme...
  51. pmc A randomized experimental investigation of reasoning training for people with delusions
    Kerry Ross
    Department of Psychology, Institute of Psychiatry, King s College London, DeCrespigny Park, London, UK
    Schizophr Bull 37:324-33. 2011
    ..It is recommended that lengthier, delusion-related reasoning packages be developed and evaluated...
  52. ncbi request reprint Psychological investigation of the structure of paranoia in a non-clinical population
    Daniel Freeman
    Department of Psychology, PO Box 77, Institute of Psychiatry, Denmark Hill, London SE5 8AF, UK
    Br J Psychiatry 186:427-35. 2005
    ..Previous studies of paranoia have assessed only limited numbers of paranoid thoughts, and have not considered the experience from a multidimensional perspective or examined the relationship between different suspicious thoughts...
  53. pmc Persecutory ideation and insomnia: findings from the second British National Survey of Psychiatric Morbidity
    Daniel Freeman
    King s College London, Department of Psychology, PO Box 077, Institute of Psychiatry, Denmark Hill, London SE5 8AF, UK
    J Psychiatr Res 44:1021-6. 2010
    ..Longitudinal studies of insomnia and paranoia, and tests of the effects of sleep interventions on levels of paranoia, are now required to examine causality...
  54. ncbi request reprint Psychological characteristics of religious delusions
    Robel Iyassu
    PO77 Department of Psychology, King s College London, Institute of Psychiatry, University of London, Denmark Hill, London, SE5 8AF, UK
    Soc Psychiatry Psychiatr Epidemiol 49:1051-61. 2014
    ..We compared religious delusions to delusions with other content...
  55. doi request reprint Developing treatments of persistent persecutory delusions: the impact of an emotional processing and metacognitive awareness intervention
    Claire Hepworth
    Department of Psychology, Institute of Psychiatry, King s College London, London
    J Nerv Ment Dis 199:653-8. 2011
    ..These preliminary findings suggest that simply encouraging patients to talk, in the right way, about their delusions can be beneficial...
  56. ncbi request reprint Slow habituation of arousal associated with psychosis proneness
    Paul Allen
    Department of Psychological Medicine, Institute of Psychiatry, King s College London, UK
    Psychol Med 37:577-82. 2007
    ..The aim of the present study was to examine the relationship between SC orienting response and hallucination proneness, delusional ideation, anxiety and self-focused attention in non-clinical individuals...
  57. ncbi request reprint Persecutory delusions and catastrophic worry in psychosis: developing the understanding of delusion distress and persistence
    Helen Startup
    Department of Psychology, Institute of Psychiatry, P O Box 77, King s College London, Denmark Hill, London SE5 8AF, UK
    Behav Res Ther 45:523-37. 2007
    ..If future research replicates these findings, worry reduction interventions for individuals with persecutory delusions may be warranted...
  58. pmc A randomised controlled trial of a worry intervention for individuals with persistent persecutory delusions
    Chloe Foster
    Department of Psychology, Institute of Psychiatry, King s College London, Denmark Hill, UK
    J Behav Ther Exp Psychiatry 41:45-51. 2010
    ..In the first trial specifically for persecutory delusions, a brief worry intervention was shown to have benefits. The results support a causal role for worry in paranoid experience...
  59. pmc Insomnia and paranoia
    Daniel Freeman
    Department of Psychology, Institute of Psychiatry, King s College London, United Kingdom
    Schizophr Res 108:280-4. 2009
    ..It is plausible that sleep difficulties contribute to the development of persecutory ideation. The intriguing implication is that insomnia interventions for this group could have the added benefit of lessening paranoia...
  60. doi request reprint Impact of state anxiety on the jumping to conclusions delusion bias
    Suzanne Ho Wai So
    Department of Psychology, Institute of Psychiatry, King s College, London, London, UK
    Aust N Z J Psychiatry 42:879-86. 2008
    ..This is the first study to investigate the relationship between the level of state anxiety and the jumping to conclusions (JTC) reasoning bias in patients with first-episode psychosis using an experimental manipulation procedure...
  61. pmc Caregiver reports of patient-initiated violence in psychosis
    Juliana Onwumere
    Lecturer in Clinical Psychology, Institute of Psychiatry, King s College London, London, England
    Can J Psychiatry 59:376-84. 2014
    ..Our study investigated caregiver reports of aggressive acts committed by their relative with psychosis and their links to caregiver appraisals of the caregiving relationship and caregiver outcomes...
  62. ncbi request reprint Misattribution of self-generated speech in relation to hallucinatory proneness and delusional ideation in healthy volunteers
    Paul Allen
    King s College London, Department of Psychological Medicine, Institute of Psychiatry, DeCrespigny Park, London SE5 8AF, United Kingdom
    Schizophr Res 84:281-8. 2006
    ..This suggests that the same cognitive impairments may underlie psychotic phenomena in healthy individuals as in patients with psychotic disorders, consistent with a continuum model of psychosis...
  63. doi request reprint Socioeconomic status and paranoia: the role of life hassles, self-mastery, and striving to avoid inferiority
    Fraser Anderson
    Department of Experimental Psychology, Oxford University, Oxford, England
    J Nerv Ment Dis 201:698-702. 2013
    ..Each of the factors examined may be a plausible candidate to account for why lower socioeconomic status is associated with greater perceptions of threat from other people. ..
  64. ncbi request reprint Connecting neurosis and psychosis: the direct influence of emotion on delusions and hallucinations
    Daniel Freeman
    Department of Psychology, Institute of Psychiatry, King s College London, University of London, Denmark Hill, London SE5 8AF, UK
    Behav Res Ther 41:923-47. 2003
    ..It is concluded that study needs to be made of the interaction between psychotic and neurotic processes in the development of delusions and hallucinations, and that neurotic and psychotic disorders may have common maintenance processes...
  65. doi request reprint Correlates of perceptual distortions in clinical and non-clinical populations using the Cardiff Anomalous Perceptions Scale (CAPS): associations with anxiety and depression and a re-validation using a representative population sample
    Vaughan Bell
    Institute of Psychiatry, King s College London, UK
    Psychiatry Res 189:451-7. 2011
    ....
  66. doi request reprint Reasoning bias and belief conviction in obsessive-compulsive disorder and delusions: jumping to conclusions across disorders?
    Pamela Jacobsen
    Department of Psychology, Institute of Psychiatry, King s College London, UK
    Br J Clin Psychol 51:84-99. 2012
    ..This study investigated whether a reasoning bias ('jumping to conclusions'; JTC) found to be associated with higher levels of conviction in delusions is also associated with high-conviction beliefs in obsessive-compulsive disorder (OCD)...
  67. ncbi request reprint A cognitive model of persecutory delusions
    Daniel Freeman
    Department of Psychology, Institute of Psychiatry, King s College London, UK
    Br J Clin Psychol 41:331-47. 2002
    ..The clinical and research implications of the model are outlined...