D Freeman

Summary

Affiliation: King's College London
Country: UK

Publications

  1. ncbi An examination of hypervigilance for external threat in individuals with generalized anxiety disorder and individuals with persecutory delusions using visual scan paths
    D Freeman
    Institute of Psychiatry, University of London, U K
    Q J Exp Psychol A 53:549-67. 2000
  2. ncbi Insomnia and paranoia
    Daniel Freeman
    Department of Psychology, Institute of Psychiatry, King s College London, United Kingdom
    Schizophr Res 108:280-4. 2009
  3. ncbi 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
  4. ncbi What makes one person paranoid and another person anxious? The differential prediction of social anxiety and persecutory ideation in an experimental situation
    D Freeman
    Department of Psychology, Institute of Psychiatry, King s College London, UK
    Psychol Med 38:1121-32. 2008
  5. ncbi 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
  6. ncbi 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
  7. ncbi 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
  8. ncbi 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
  9. ncbi 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
  10. ncbi 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

Detail Information

Publications53

  1. ncbi An examination of hypervigilance for external threat in individuals with generalized anxiety disorder and individuals with persecutory delusions using visual scan paths
    D Freeman
    Institute of Psychiatry, University of London, U K
    Q J Exp Psychol A 53:549-67. 2000
    ..However, additional support was found for the hypothesis that people with delusions form rapid judgements on the basis of less data-gathering than control groups who are either anxious or have no psychiatric illness...
  2. ncbi 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...
  3. ncbi 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...
  4. ncbi What makes one person paranoid and another person anxious? The differential prediction of social anxiety and persecutory ideation in an experimental situation
    D Freeman
    Department of Psychology, Institute of Psychiatry, King s College London, UK
    Psychol Med 38:1121-32. 2008
    ..Nonetheless, the two experiences are distinct. The aim of this study was to identify factors that distinguish the occurrence of social anxiety and paranoid thoughts in an experimental situation...
  5. ncbi 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...
  6. ncbi 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...
  7. ncbi 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...
  8. ncbi 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...
  9. ncbi 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...
  10. ncbi 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
    ....
  11. ncbi 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...
  12. ncbi 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...
  13. ncbi 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...
  14. ncbi 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...
  15. ncbi Comments on the content of persecutory delusions: does the definition need clarification?
    D Freeman
    Department of Psychology, King s College London, University of London, UK
    Br J Clin Psychol 39:407-14. 2000
    ..Finally, related methodological problems in this emerging research area are highlighted. The issues discussed may stimulate further research on the content of delusional beliefs...
  16. ncbi 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...
  17. ncbi 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...
  18. ncbi The association between traumatic experience, paranoia and hallucinations: a test of the predictions of psychological models
    A Gracie
    King s College London, Department of Psychology, Institute of Psychiatry, London, UK
    Acta Psychiatr Scand 116:280-9. 2007
    ..The current study investigated the relationship between trauma and predisposition to hallucinations and to paranoia in a non-clinical sample...
  19. ncbi Understanding suicidal ideation in psychosis: findings from the Psychological Prevention of Relapse in Psychosis (PRP) trial
    L Fialko
    Department of Psychology, Institute of Psychiatry, King s College London, University of London, London, UK
    Acta Psychiatr Scand 114:177-86. 2006
    ..To examine the clinically important phenomenon of suicidal ideation in psychosis in relation to affective processes and the multidimensional nature of hallucinations and delusions...
  20. ncbi Emotional dysfunction in schizophrenia spectrum psychosis: the role of illness perceptions
    P W B Watson
    King s College London, Department of Psychology, Institute of Psychiatry, London, UK
    Psychol Med 36:761-70. 2006
    ..This study of people with a recent relapse of their psychosis examines the relationship between illness perception, their emotional responses and their attitudes to medication...
  21. ncbi Measuring ideas of persecution and social reference: the Green et al. Paranoid Thought Scales (GPTS)
    C E L Green
    Department of Psychology, Institute of Psychiatry, King s College London, UK
    Psychol Med 38:101-11. 2008
    ....
  22. ncbi Carers' attributions about positive events in psychosis relate to expressed emotion
    S J Grice
    Department of Psychology, Institute of Psychiatry, Kings College London, London, UK
    Behav Res Ther 47:783-9. 2009
    ..We therefore aimed to examine spontaneous carer attributions for both negative and positive events. Further, we distinguished between high EE based on critical comments, and that based on emotional-overinvolvement...
  23. ncbi Persecutory delusions: developing the understanding of belief maintenance and emotional distress
    D Freeman
    Department of Psychology, Institute of Psychiatry, King's College London
    Psychol Med 31:1293-306. 2001
    ....
  24. ncbi Influence of carer expressed emotion and affect on relapse in non-affective psychosis
    E Kuipers
    Department of Psychology, PO Box 77, Institute of Psychiatry, King s College London, London SE5 8AF, UK
    Br J Psychiatry 188:173-9. 2006
    ..High expressed emotion in carers predicts relapse in psychosis, but it is not known why this is so. In our cognitive model of psychosis, we postulated that the effect is mediated through affective changes...
  25. ncbi Cognitive triggers of auditory hallucinations: an experimental investigation
    K Stinson
    Department of Psychology, Institute of Psychiatry, King s College London, UK
    J Behav Ther Exp Psychiatry 41:179-84. 2010
    ..It is argued that the effect of cognition on auditory hallucinations may be mediated by affect but this needs to be investigated through further experimental research...
  26. ncbi Concomitants of paranoia in the general population
    D Freeman
    Institute of Psychiatry, King s College London, Denmark Hill, London, UK
    Psychol Med 41:923-36. 2011
    ..In this study we carried out the most comprehensive investigation so far of the demographic, economic, social and clinical correlates of self-reported paranoia in the general population...
  27. ncbi 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...
  28. ncbi 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
    ....
  29. ncbi 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...
  30. ncbi 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...
  31. ncbi 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...
  32. ncbi 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...
  33. ncbi 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...
  34. ncbi 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...
  35. ncbi 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...
  36. ncbi 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...
  37. ncbi 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...
  38. ncbi 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...
  39. ncbi Grandiose delusions: an experimental investigation of the delusion as defense
    Nicola Smith
    Co-ordinated Psychological Treatments Service, Ladywell Unit, University Hospital Lewisham, London, United Kingdom
    J Nerv Ment Dis 193:480-7. 2005
    ..However, we argue that in this group, the grandiose delusions do not currently defend against low self-esteem. Instead, grandiose delusions may in part be direct exaggerations of the emotional state of individuals...
  40. ncbi 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...
  41. ncbi 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...
  42. ncbi 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)...
  43. ncbi 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 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...
  45. ncbi 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
    ....
  46. ncbi 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...
  47. ncbi 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...
  48. ncbi Identifying potential predictors of traumatic reactions to psychotic episodes
    Brock Chisholm
    Department of Mental Health, St George s, University of London, UK
    Br J Clin Psychol 45:545-59. 2006
    ....
  49. ncbi The Brief Core Schema Scales (BCSS): psychometric properties and associations with paranoia and grandiosity in non-clinical and psychosis samples
    David Fowler
    University of East Anglia, Norwich, UK
    Psychol Med 36:749-59. 2006
    ..The scales assess four dimensions of self and other evaluation: negative-self, positive-self, negative-other, positive-other...
  50. ncbi 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...
  51. ncbi Emotion and psychosis: links between depression, self-esteem, negative schematic beliefs and delusions and hallucinations
    Ben Smith
    UCL, Department of Mental Health Sciences, Archway Campus, Holborn Union Building, Highgate Hill, London, UK
    Schizophr Res 86:181-8. 2006
    ..A., Kuipers, E.K., Fowler, D., Freeman, D., Bebbington, P.E., 2001. A cognitive model of the positive symptoms of psychosis. Psychological Medicine, 31, 189-195] about the role of emotion and negative evaluative beliefs in psychosis...
  52. ncbi 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...
  53. ncbi The application of cognitive-behavioral therapy for psychosis in clinical and research settings
    Rebecca Rollinson
    Psychological Therapies and Primary Care, Norfolk and Waveney Mental Health Partnership NHS Trust, Community Resource Centre, Northgate Hospital, Great Yarmouth NR30 1BU, United Kingdom
    Psychiatr Serv 58:1297-302. 2007
    ..This study compared the practice of cognitive-behavioral therapy (CBT) for psychosis across research and routine clinical settings...