Daniel Freeman

• Nightmares in the general population: identifying potential causal factors.

  Rek S. et al, (2017), Soc Psychiatry Psychiatr Epidemiol

• Cognitive, affective, and social factors maintaining paranoia in adolescents with mental health problems: A longitudinal study.

  Bird JC. et al, (2017), Psychiatry Res, 257, 34 - 39

• Persistent persecutory delusions: The spirit, style and content of targeted treatment.

  Freeman D. and Waite F., (2017), World Psychiatry, 16, 208 - 209

• Using Directed Acyclic Graphs in Epidemiological Research in Psychosis: An Analysis of the Role of Bullying in Psychosis.

  Moffa G. et al, (2017), Schizophr Bull

• Clinician perceptions of sleep problems, and their treatment, in patients with non-affective psychosis.

  Rehman A. et al, (2017), Psychosis, 9, 129 - 139

• Transdiagnostic Extension of Delusions: Schizophrenia and Beyond.

  Bebbington P. and Freeman D., (2017), Schizophr Bull, 43, 273 - 282

• Characterization and structure of hypomania in a British nonclinical adolescent sample.

  Hosang GM. et al, (2017), J Affect Disord, 207, 228 - 235

• Hallucinations in the months after a trauma: An investigation of the role of cognitive processing of a physical assault in the occurrence of hallucinatory experiences.

  Geddes G. et al, (2016), Psychiatry Res, 246, 601 - 605

• Worry processes in patients with persecutory delusions.

  Startup H. et al, (2016), Br J Clin Psychol, 55, 387 - 400

• Targeting Recovery in Persistent Persecutory Delusions: A Proof of Principle Study of a New Translational Psychological Treatment (the Feeling Safe Programme).

  Freeman D. et al, (2016), Behav Cogn Psychother, 44, 539 - 552

• Shared Etiology of Psychotic Experiences and Depressive Symptoms in Adolescence: A Longitudinal Twin Study.

  Zavos HM. et al, (2016), Schizophr Bull, 42, 1197 - 1206

• Dimensional psychotic experiences in adolescence: Evidence from a taxometric study of a community-based sample.

  Taylor MJ. et al, (2016), Psychiatry Res, 241, 35 - 42

• Virtual reality in the treatment of persecutory delusions: randomised controlled experimental study testing how to reduce delusional conviction.

  Freeman D. et al, (2016), Br J Psychiatry, 209, 62 - 67

• The Perseverative Thinking Questionnaire in Patients with Persecutory Delusions.

  Černis E. et al, (2016), Behav Cogn Psychother, 44, 472 - 481

• Psychological Mechanisms Mediating Effects Between Trauma and Psychotic Symptoms: The Role of Affect Regulation, Intrusive Trauma Memory, Beliefs, and Depression.

  Hardy A. et al, (2016), Schizophr Bull, 42 Suppl 1, S34 - S43

• Persecutory delusions: a cognitive perspective on understanding and treatment.

  Freeman D., (2016), Lancet Psychiatry, 3, 685 - 692

• Insomnia and hallucinations in the general population: Findings from the 2000 and 2007 British Psychiatric Morbidity Surveys.

  Sheaves B. et al, (2016), Psychiatry research, 241, 141 - 146

• The patient experience of sleep problems and their treatment in the context of current delusions and hallucinations.

  Waite F. et al, (2016), Psychol Psychother, 89, 181 - 193

• Sleep Disturbances and Suicide Risk in an 8-Year Longitudinal Study of Schizophrenia-Spectrum Disorders.

  Li SX. et al, (2016), Sleep, 39, 1275 - 1282

• Association between stressful life events and psychotic experiences in adolescence: evidence for gene-environment correlations.

  Shakoor S. et al, (2016), Br J Psychiatry, 208, 532 - 538

• Negative cognitions about the self in patients with persecutory delusions: An empirical study of self-compassion, self-stigma, schematic beliefs, self-esteem, fear of madness, and suicidal ideation.

  Collett N. et al, (2016), Psychiatry Res, 239, 79 - 84

• Digital Cognitive Behavioural Therapy for Insomnia versus sleep hygiene education: the impact of improved sleep on functional health, quality of life and psychological well-being. Study protocol for a randomised controlled trial.

  Espie CA. et al, (2016), Trials, 17, 257 - 257

• Treating Sleep Problems in Patients with Schizophrenia.

  Waite F. et al, (2016), Behav Cogn Psychother, 44, 273 - 287

• Conceptualising paranoia in ASD: A systematic review and development of a theoretical framework

  Spain D. et al, (2016), Research in Autism Spectrum Disorders, 25, 97 - 111

• The efficacy of a new translational treatment for persecutory delusions: study protocol for a randomised controlled trial (The Feeling Safe Study).

  Freeman D. et al, (2016), Trials, 17

• Self-Confidence and Paranoia: An Experimental Study Using an Immersive Virtual Reality Social Situation.

  Atherton S. et al, (2016), Behav Cogn Psychother, 44, 56 - 64

• Insomnia, Nightmares, and Chronotype as Markers of Risk for Severe Mental Illness: Results from a Student Population.

  Sheaves B. et al, (2016), Sleep, 39, 173 - 181

• The role of sleep dysfunction in the occurrence of delusions and hallucinations: A systematic review.

  Reeve S. et al, (2015), Clin Psychol Rev, 42, 96 - 115

• Genetic moderation of the effects of cannabis: catechol-O-methyltransferase (COMT) affects the impact of Δ9-tetrahydrocannabinol (THC) on working memory performance but not on the occurrence of psychotic experiences.

  Tunbridge EM. et al, (2015), J Psychopharmacol, 29, 1146 - 1151

• Efficacy of cognitive behavioural therapy for sleep improvement in patients with persistent delusions and hallucinations (BEST): a prospective, assessor-blind, randomised controlled pilot trial.

  Freeman D. et al, (2015), Lancet Psychiatry, 2, 975 - 983

• Social defeat predicts paranoid appraisals in people at high risk for psychosis.

  Valmaggia LR. et al, (2015), Schizophr Res, 168, 16 - 22

• Adult attention deficit hyperactivity symptoms and psychosis: Epidemiological evidence from a population survey in England.

  Marwaha S. et al, (2015), Psychiatry Res, 229, 49 - 56

• Adult attention deficit hyperactivity symptoms and psychosis: Epidemiological evidence from a population survey in England

  Marwaha S. et al, (2015), Psychiatry Research, 229, 49 - 56

• Heritability of Individual Psychotic Experiences Captured by Common Genetic Variants in a Community Sample of Adolescents

  Sieradzka D. et al, (2015), Behavior Genetics, 45, 493 - 502

• Thinking Well: A randomised controlled feasibility study of a new CBT therapy targeting reasoning biases in people with distressing persecutory delusional beliefs.

  Waller H. et al, (2015), J Behav Ther Exp Psychiatry, 48, 82 - 89

• Heritability of Individual Psychotic Experiences Captured by Common Genetic Variants in a Community Sample of Adolescents.

  Sieradzka D. et al, (2015), Behav Genet, 45, 493 - 502

• Do sleep disturbances and psychotic-like experiences in adolescence share genetic and environmental influences?

  Taylor MJ. et al, (2015), J Abnorm Psychol, 124, 674 - 684

• The Stress of the Street for Patients With Persecutory Delusions: A Test of the Symptomatic and Psychological Effects of Going Outside Into a Busy Urban Area.

  Freeman D. et al, (2015), Schizophr Bull, 41, 971 - 979

• Jumping to conclusions and the persistence of delusional beliefs in first episode psychosis.

  Falcone MA. et al, (2015), Schizophr Res, 165, 243 - 246

• How do individuals with persecutory delusions bring worry to a close? An interpretive phenomenological analysis.

  Startup H. et al, (2015), Behav Cogn Psychother, 43, 465 - 477

• Bullying victimisation and risk of psychotic phenomena: Analyses of British national survey data

  Catone G. et al, (2015), The Lancet Psychiatry, 2, 618 - 624

• Bullying victimisation and risk of psychotic phenomena: analyses of British national survey data.

  Catone G. et al, (2015), Lancet Psychiatry, 2, 618 - 624

• Psychotic experiences are linked to cannabis use in adolescents in the community because of common underlying environmental risk factors.

  Shakoor S. et al, (2015), Psychiatry Res, 227, 144 - 151

• Effects of cognitive behavioural therapy for insomnia on the mental health of university students: study protocol for a randomized controlled trial.

  Freeman D. et al, (2015), Trials, 16

• A shared genetic propensity underlies experiences of bullying victimization in late childhood and self-rated paranoid thinking in adolescence.

  Shakoor S. et al, (2015), Schizophr Bull, 41, 754 - 763

• Effects of cognitive behaviour therapy for worry on persecutory delusions in patients with psychosis (WIT): a parallel, single-blind, randomised controlled trial with a mediation analysis.

  Freeman D. et al, (2015), Lancet Psychiatry, 2, 305 - 313

• The effect of paranoia on the judging of harmful events

  Freeman D. et al, (2015), Cognitive Neuropsychiatry, 20, 122 - 127

• Jumping to conclusions, neuropsychological functioning, and delusional beliefs in first episode psychosis.

  Falcone MA. et al, (2015), Schizophr Bull, 41, 411 - 418

• How cannabis causes paranoia: using the intravenous administration of ∆9-tetrahydrocannabinol (THC) to identify key cognitive mechanisms leading to paranoia.

  Freeman D. et al, (2015), Schizophr Bull, 41, 391 - 399

• Cognitive mechanisms of change in delusions: an experimental investigation targeting reasoning to effect change in paranoia.

  Garety P. et al, (2015), Schizophr Bull, 41, 400 - 410

• Urbanicity, persecutory delusions, and clinical intervention: the development of a brief CBT module for helping patients with persecutory delusions enter social urban environments.

  Freeman D. et al, (2015), Behav Cogn Psychother, 43, 42 - 51

• The effect of paranoia on the judging of harmful events.

  Freeman D. et al, (2015), Cogn Neuropsychiatry, 20, 122 - 127

• Psychotic experiences are linked to cannabis use in adolescents in the community because of common underlying environmental risk factors

  Shakoor S. et al, (2015), Psychiatry Research, 227, 144 - 151

• Interpretation biases in paranoia.

  Savulich G. et al, (2015), Behav Ther, 46, 110 - 124

• How do people with persecutory delusions evaluate threat in a controlled social environment? A qualitative study using virtual reality.

  Fornells-Ambrojo M. et al, (2015), Behav Cogn Psychother, 43, 89 - 107

• A longitudinal twin study of the association between childhood autistic traits and psychotic experiences in adolescence.

  Taylor MJ. et al, (2015), Mol Autism, 6

• The use of intuitive and analytic reasoning styles by patients with persecutory delusions.

  Freeman D. et al, (2014), J Behav Ther Exp Psychiatry, 45, 454 - 458

• Delusional belief flexibility and informal caregiving relationships in psychosis: a potential cognitive route for the protective effect of social support.

  Jolley S. et al, (2014), Epidemiol Psychiatr Sci, 23, 389 - 397

• An early Phase II randomised controlled trial testing the effect on persecutory delusions of using CBT to reduce negative cognitions about the self: the potential benefits of enhancing self confidence.

  Freeman D. et al, (2014), Schizophr Res, 160, 186 - 192

• A pilot validation of a modified Illness Perceptions Questionnaire designed to predict response to cognitive therapy for psychosis.

  Marcus E. et al, (2014), J Behav Ther Exp Psychiatry, 45, 459 - 466

• A pilot trial of cognitive behavioural therapy for interpersonal sensitivity in individuals with persecutory delusions.

  Bell V. and Freeman D., (2014), J Behav Ther Exp Psychiatry, 45, 441 - 446

• Social defeat and paranoid ideation in the ultra high risk

  Valmaggia L. et al, (2014), EARLY INTERVENTION IN PSYCHIATRY, 8, 54 - 54

• Negative communication in psychosis: understanding pathways to poorer patient outcomes.

  Finnegan D. et al, (2014), J Nerv Ment Dis, 202, 829 - 832

• Jumping to the wrong conclusions? An investigation of the mechanisms of reasoning errors in delusions.

  Jolley S. et al, (2014), Psychiatry Res, 219, 275 - 282

• Understanding jumping to conclusions in patients with persecutory delusions: working memory and intolerance of uncertainty.

  Freeman D. et al, (2014), Psychol Med, 44, 3017 - 3024

• Depersonalization in patients with persecutory delusions.

  Cernis E. et al, (2014), J Nerv Ment Dis, 202, 752 - 758

• The use of immersive virtual reality (VR) to predict the occurrence 6 months later of paranoid thinking and posttraumatic stress symptoms assessed by self-report and interviewer methods: a study of individuals who have been physically assaulted.

  Freeman D. et al, (2014), Psychol Assess, 26, 841 - 847

• Suspicious young minds: paranoia and mistrust in 8- to 14-year-olds in the U.K. and Hong Kong.

  Wong KK. et al, (2014), Br J Psychiatry, 205, 221 - 229

• Sleep disturbances and psychotic-like experiences in a student population

  Porcheret K. et al, (2014), JOURNAL OF SLEEP RESEARCH, 23, 234 - 235

• Consistent etiology of severe, frequent psychotic experiences and milder, less frequent manifestations: a twin study of specific psychotic experiences in adolescence.

  Zavos HM. et al, (2014), JAMA Psychiatry, 71, 1049 - 1057

• Height, social comparison, and paranoia: an immersive virtual reality experimental study.

  Freeman D. et al, (2014), Psychiatry Res, 218, 348 - 352

• Advances in understanding and treating persecutory delusions: a review.

  Freeman D. and Garety P., (2014), Soc Psychiatry Psychiatr Epidemiol, 49, 1179 - 1189

• Psychological characteristics of religious delusions.

  Iyassu R. et al, (2014), Soc Psychiatry Psychiatr Epidemiol, 49, 1051 - 1061

• Persecutory delusions and psychological well-being.

  Freeman D. et al, (2014), Soc Psychiatry Psychiatr Epidemiol, 49, 1045 - 1050

• Characterization of psychotic experiences in adolescence using the specific psychotic experiences questionnaire: findings from a study of 5000 16-year-old twins.

  Ronald A. et al, (2014), Schizophr Bull, 40, 868 - 877

• Caregiver reports of patient-initiated violence in psychosis.

  Onwumere J. et al, (2014), Can J Psychiatry, 59, 376 - 384

• Sex as a clinical variable

  Freeman D. and Freeman J., (2014), PSYCHOLOGIST, 27, 5 - 5

• Mood instability and psychosis: analyses of British national survey data.

  Marwaha S. et al, (2014), Schizophr Bull, 40, 269 - 277

• Authors' reply.

  Garety PA. and Freeman D., (2014), Br J Psychiatry, 204, 242 - 243

• Sex as a clinical variable

  Freeman D. and Freeman J., (2014), Psychologist, 27

• Psychological characteristics of religious delusions

  Iyassu R. et al, (2014), Social Psychiatry and Psychiatric Epidemiology, 49, 1051 - 1061

• Persecutory delusions and psychological well-being

  Freeman D. et al, (2014), Social Psychiatry and Psychiatric Epidemiology, 49, 1045 - 1050

• MOOD INSTABILITY AND PSYCHOSIS: ANALYSES OF BRITISH NATIONAL SURVEY DATA

  Marwaha S. et al, (2014), EUROPEAN PSYCHIATRY, 29

• Are genetic risk factors for psychosis also associated with dimension-specific psychotic experiences in adolescence?

  Sieradzka D. et al, (2014), PLoS One, 9

• Advances in understanding and treating persecutory delusions: A review

  Freeman D. and Garety P., (2014), Social Psychiatry and Psychiatric Epidemiology, 49, 1179 - 1189

• 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.

  Freeman D. et al, (2013), J Psychiatr Res, 47, 1837 - 1842

• Paranoia and post-traumatic stress disorder in the months after a physical assault: a longitudinal study examining shared and differential predictors.

  Freeman D. et al, (2013), Psychol Med, 43, 2673 - 2684

• The past and future of delusions research: from the inexplicable to the treatable.

  Garety PA. and Freeman D., (2013), Br J Psychiatry, 203, 327 - 333

• Neuropsychological functioning and jumping to conclusions in delusions.

  Garety P. et al, (2013), Schizophr Res, 150, 570 - 574

• Neuropsychological functioning and jumping to conclusions in delusions

  Garety P. et al, (2013), Schizophrenia Research, 150, 570 - 574

• Current paranoid thinking in patients with delusions: the presence of cognitive-affective biases.

  Freeman D. et al, (2013), Schizophr Bull, 39, 1281 - 1287

• Cognitive factors maintaining persecutory delusions in psychosis: the contribution of depression.

  Vorontsova N. et al, (2013), J Abnorm Psychol, 122, 1121 - 1131

• Socioeconomic status and paranoia: the role of life hassles, self-mastery, and striving to avoid inferiority.

  Anderson F. and Freeman D., (2013), J Nerv Ment Dis, 201, 698 - 702

• Persecutory ideation and a history of cannabis use

  Freeman D. et al, (2013), Schizophrenia Research, 148, 122 - 125

• Persecutory ideation and a history of cannabis use.

  Freeman D. et al, (2013), Schizophr Res, 148, 122 - 125

• 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.

  Freeman D. et al, (2013), Trials, 14

• How to Keep Calm and Carry On

  Freeman D. and Freeman J., (2013)

• The structure of paranoia in the general population.

  Bebbington PE. et al, (2013), Br J Psychiatry, 202, 419 - 427

• The Stressed Sex

  Freeman D. and Freeman J., (2013)

• Differences in cognitive and emotional processes between persecutory and grandiose delusions.

  Garety PA. et al, (2013), Schizophr Bull, 39, 629 - 639

• Emotional Processing and Metacognitive Awareness for Persecutory Delusions

  Hepworth C. et al, (2013), 33 - 46

• Patients' beliefs about the causes, persistence and control of psychotic experiences predict take-up of effective cognitive behaviour therapy for psychosis.

  Freeman D. et al, (2013), Psychol Med, 43, 269 - 277

• Working with people experiencing psychosis

  Freeman D., (2013), Clinical Psychology: Topics in Applied Psychology, 137 - 152

• 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

  Freeman D. et al, (2013), Journal of Psychiatric Research, 47, 1837 - 1842

• Intrusive mental imagery in patients with persecutory delusions.

  Schulze K. et al, (2013), Behav Res Ther, 51, 7 - 14

• Improving Sleep, Improving Delusions: CBT for Insomnia in Individuals with Persecutory Delusions

  Myers E. et al, (2012), 213 - 233

• The effects of reducing worry in patients with persecutory delusions: study protocol for a randomized controlled trial.

  Freeman D. et al, (2012), Trials, 13

• New evidence on the aetiology of specific psychotic experiences from an adolescent general population twin sample

  Ronald A. et al, (2012), BEHAVIOR GENETICS, 42, 965 - 965

• Negative cognition, depressed mood, and paranoia: a longitudinal pathway analysis using structural equation modeling.

  Fowler D. et al, (2012), Schizophr Bull, 38, 1063 - 1073

• Insomnia, worry, anxiety and depression as predictors of the occurrence and persistence of paranoid thinking.

  Freeman D. et al, (2012), Soc Psychiatry Psychiatr Epidemiol, 47, 1195 - 1203

• Anxiety

  Freeman D. and Freeman J., (2012)

• Gut feelings, deliberative thought, and paranoid ideation: a study of experiential and rational reasoning.

  Freeman D. et al, (2012), Psychiatry Res, 197, 119 - 122

• Gut feelings, deliberative thought, and paranoid ideation: A study of experiential and rational reasoning

  Freeman D. et al, (2012), Psychiatry Research, 197, 119 - 122

• Cognitve models of psychosis.

  Garety P. et al, (2012), Schizophrenia

• Effective elements of cognitive behaviour therapy for psychosis: results of a novel type of subgroup analysis based on principal stratification.

  Dunn G. et al, (2012), Psychol Med, 42, 1057 - 1068

• Reasoning bias and belief conviction in obsessive-compulsive disorder and delusions: jumping to conclusions across disorders?

  Jacobsen P. et al, (2012), Br J Clin Psychol, 51, 84 - 99

• 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.

  So SH. et al, (2012), J Abnorm Psychol, 121, 129 - 139

• Cognitive models of psychosis, the jumping to conclusions reasoning bias and improving psychological treatment for delusions

  Garety P. et al, (2012), Schizophrenia: The Final Frontier - A Festschrift for Robin M. Murray, 235 - 246

• You Can Be Happy

  Freeman D. and Freeman J., (2011)

• Paranoia: Mechanisms and Treatment

  Freeman D., (2011), McGraw-Hill Yearbook of Science & Technology 2012

• Improving cognitive treatments for delusions.

  Freeman D., (2011), Schizophr Res, 132, 135 - 139

• 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.

  Bell V. et al, (2011), Psychiatry Res, 189, 451 - 457

• 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

  Bell V. et al, (2011), Psychiatry Research, 189, 451 - 457

• Targeting reasoning biases in delusions: a pilot study of the Maudsley Review Training Programme for individuals with persistent, high conviction delusions.

  Waller H. et al, (2011), J Behav Ther Exp Psychiatry, 42, 414 - 421

• Targeting reasoning biases in delusions: A pilot study of the Maudsley Review Training Programme for individuals with persistent, high conviction delusions

  Waller H. et al, (2011), Journal of Behavior Therapy and Experimental Psychiatry, 42, 414 - 421

• Jumping to conclusions: The psychology of delusional reasoning

  Garety P. et al, (2011), Advances in Psychiatric Treatment, 17, 332 - 339

• Developing treatments of persistent persecutory delusions: The impact of an emotional processing and metacognitive awareness intervention

  Hepworth C. et al, (2011), Journal of Nervous and Mental Disease, 199, 653 - 658

• Developing treatments of persistent persecutory delusions: the impact of an emotional processing and metacognitive awareness intervention.

  Hepworth C. et al, (2011), J Nerv Ment Dis, 199, 653 - 658

• Cognitive behavioural treatment of insomnia in individuals with persistent persecutory delusions: a pilot trial.

  Myers E. et al, (2011), J Behav Ther Exp Psychiatry, 42, 330 - 336

• Cognitive behavioural treatment of insomnia in individuals with persistent persecutory delusions: A pilot trial

  Myers E. et al, (2011), Journal of Behavior Therapy and Experimental Psychiatry, 42, 330 - 336

• Coping styles in carers of people with recent and long-term psychosis.

  Onwumere J. et al, (2011), J Nerv Ment Dis, 199, 423 - 424

• Know Your Mind

  Freeman DD. and Freeman J., (2011)

• Concomitants of paranoia in the general population.

  Freeman D. et al, (2011), Psychol Med, 41, 923 - 936

• A randomized experimental investigation of reasoning training for people with delusions.

  Ross K. et al, (2011), Schizophr Bull, 37, 324 - 333

• Paranoid explanations of experience: a novel experimental study.

  Green CE. et al, (2011), Behav Cogn Psychother, 39, 21 - 34

• Insomnia, worry, anxiety and depression as predictors of the occurrence and persistence of paranoid thinking

  Freeman D. et al, (2011), Social Psychiatry and Psychiatric Epidemiology, 1 - 9

• Improving cognitive treatments for delusions

  Freeman D., (2011), Schizophrenia Research

• 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

  Bell V. et al, (2011), Psychiatry Research

• Cognitive and social processes in psychosis: Recent developments

  Freeman D., (2010), 283 - 298

• Persecutory ideation and insomnia: findings from the second British National Survey of Psychiatric Morbidity.

  Freeman D. et al, (2010), J Psychiatr Res, 44, 1021 - 1026

• Delusions

  Freeman D. and Garety P., (2010), Practitioner's Guide to Evidence-Based Psychotherapy

• Know Your Mind

  Freeman D. and Freeman J., (2010)

• Cognitive triggers of auditory hallucinations: an experimental investigation.

  Stinson K. et al, (2010), J Behav Ther Exp Psychiatry, 41, 179 - 184

• Use Your Head

  Freeman D. and Freeman J., (2010)

• The need for closure in caregivers of people with psychosis.

  Onwumere J. et al, (2010), Epidemiol Psichiatr Soc, 19, 159 - 167

• A randomised controlled trial of a worry intervention for individuals with persistent persecutory delusions.

  Foster C. et al, (2010), J Behav Ther Exp Psychiatry, 41, 45 - 51

• Testing the continuum of delusional beliefs: an experimental study using virtual reality.

  Freeman D. et al, (2010), J Abnorm Psychol, 119, 83 - 92

• Advances in Schizophrenia Research 2009

  Freeman D., (2009), Advances in Schizophrenia Research 2009

• Routes to psychotic symptoms: trauma, anxiety and psychosis-like experiences.

  Freeman D. and Fowler D., (2009), Psychiatry Res, 169, 107 - 112

• Carers' attributions about positive events in psychosis relate to expressed emotion.

  Grice SJ. et al, (2009), Behav Res Ther, 47, 783 - 789

• Family interventions in psychosis: A scale to measure therapist adherence

  Onwumere J. et al, (2009), Journal of Family Therapy, 31, 270 - 283

• Insomnia and paranoia.

  Freeman D. et al, (2009), Schizophr Res, 108, 280 - 284

• Patient perceptions of caregiver criticism in psychosis: links with patient and caregiver functioning.

  Onwumere J. et al, (2009), J Nerv Ment Dis, 197, 85 - 91

• Fear of madness and persecutory delusions: Preliminary investigation of a new scale

  Bassett M. et al, (2009), Psychosis, 1, 39 - 50

• Overcoming Paranoid and Suspicious Thoughts

  Freeman D. et al, (2008)

• Paranoia

  Freeman D. and Freeman J., (2008)

• Impact of state anxiety on the jumping to conclusions delusion bias.

  So SH. et al, (2008), Aust N Z J Psychiatry, 42, 879 - 886

• Authors' reply:

  Garety PA. et al, (2008), British Journal of Psychiatry, 193, 345 - 346

• The research evidence of the effectiveness of CBT for persecutory delusions

  Garety P. et al, (2008), Persecutory Delusions

• The Puzzle of Paranoia

  Freeman D. et al, (2008), Persecutory Delusions

• The assessment of paranoia

  Freeman D., (2008), Persecutory Delusions

• Persecutory Delusions

  Freeman D. et al, (2008)

• Virtual reality and persecutory delusions: safety and feasibility.

  Fornells-Ambrojo M. et al, (2008), Schizophr Res, 104, 228 - 236

• Jumping to conclusions and persecutory delusions.

  Startup H. et al, (2008), Eur Psychiatry, 23, 457 - 459

• What makes one person paranoid and another person anxious? The differential prediction of social anxiety and persecutory ideation in an experimental situation.

  Freeman D. et al, (2008), Psychol Med, 38, 1121 - 1132

• Studying and treating schizophrenia using virtual reality: a new paradigm.

  Freeman D., (2008), Schizophr Bull, 34, 605 - 610

• Jumping to conclusions and paranoid ideation in the general population.

  Freeman D. et al, (2008), Schizophr Res, 102, 254 - 260

• Caregiving and illness beliefs in the course of psychotic illness.

  Onwumere J. et al, (2008), Can J Psychiatry, 53, 460 - 468

• Author's reply

  Freeman D., (2008), British Journal of Psychiatry, 193, 81 - 82

• Cognitive--behavioural therapy and family intervention for relapse prevention and symptom reduction in psychosis: randomised controlled trial.

  Garety PA. et al, (2008), Br J Psychiatry, 192, 412 - 423

• Virtual reality study of paranoid thinking in the general population.

  Freeman D. et al, (2008), Br J Psychiatry, 192, 258 - 263

• Working with people with psychosis

  Freeman D. and Garety P., (2008), Clinical Psychology: Topics in Applied Psychology

• A large-scale validation study of the Medication Adherence Rating Scale (MARS).

  Fialko L. et al, (2008), Schizophr Res, 100, 53 - 59

• The psychological effect of an urban environment on individuals with persecutory delusions: the Camberwell walk study.

  Ellett L. et al, (2008), Schizophr Res, 99, 77 - 84

• Theories of cognition, emotion and the social world: Missing links in psychosis

  Bebbington P. et al, (2008), Society and Psychosis, 219 - 237

• Society and psychosis

  Bebbington P. et al, (2008), Society and psychosis

• Measuring ideas of persecution and social reference: the Green et al. Paranoid Thought Scales (GPTS).

  Green CE. et al, (2008), Psychol Med, 38, 101 - 111

• Virtual reality and paranoid ideations in people with an 'at-risk mental state' for psychosis.

  Valmaggia LR. et al, (2007), Br J Psychiatry Suppl, 51, s63 - s68

• The association between traumatic experience, paranoia and hallucinations: a test of the predictions of psychological models.

  Gracie A. et al, (2007), Acta Psychiatr Scand, 116, 280 - 289

• The application of cognitive-behavioral therapy for psychosis in clinical and research settings.

  Rollinson R. et al, (2007), Psychiatr Serv, 58, 1297 - 1302

• Implications for neurobiological research of cognitive models of psychosis: a theoretical paper.

  Garety PA. et al, (2007), Psychol Med, 37, 1377 - 1391

• A measure of state persecutory ideation for experimental studies.

  Freeman D. et al, (2007), J Nerv Ment Dis, 195, 781 - 784

• Suspicious minds: the psychology of persecutory delusions.

  Freeman D., (2007), Clin Psychol Rev, 27, 425 - 457

• Slow habituation of arousal associated with psychosis proneness.

  Allen P. et al, (2007), Psychol Med, 37, 577 - 582

• Discrepant illness perceptions, affect and expressed emotion in people with psychosis and their carers.

  Kuipers E. et al, (2007), Soc Psychiatry Psychiatr Epidemiol, 42, 277 - 283

• Persecutory delusions and catastrophic worry in psychosis: developing the understanding of delusion distress and persistence.

  Startup H. et al, (2007), Behav Res Ther, 45, 523 - 537

• The multidimensional measurement of the positive symptoms of psychosis.

  Steel C. et al, (2007), Int J Methods Psychiatr Res, 16, 88 - 96

• Acting on persecutory delusions: the importance of safety seeking.

  Freeman D. et al, (2007), Behav Res Ther, 45, 89 - 99

• Helping patients with paranoid and suspicious thoughts: A cognitive-behavioural approach

  Freeman D. and Garety P., (2006), Advances in Psychiatric Treatment, 12, 404 - 415

• Identifying potential predictors of traumatic reactions to psychotic episodes.

  Chisholm B. et al, (2006), Br J Clin Psychol, 45, 545 - 559

• Content and affect in persecutory delusions.

  Green C. et al, (2006), Br J Clin Psychol, 45, 561 - 577

• Content and affect in persecutory delusions

  Green C. et al, (2006), British Journal of Clinical Psychology, 45, 561 - 577

• Attributional style in psychosis--the role of affect and belief type.

  Jolley S. et al, (2006), Behav Res Ther, 44, 1597 - 1607

• The catastrophic interaction hypothesis: How does stress, trauma, emotion and information processing abnormalities lead to psychosis?

  Fowler D. et al, (2006), Trauma and psychosis

• Cognitive, emotional, and social processes in psychosis: refining cognitive behavioral therapy for persistent positive symptoms.

  Kuipers E. et al, (2006), Schizophr Bull, 32 Suppl 1, S24 - S31

• Understanding suicidal ideation in psychosis: findings from the Psychological Prevention of Relapse in Psychosis (PRP) trial.

  Fialko L. et al, (2006), Acta Psychiatr Scand, 114, 177 - 186

• Emotion and psychosis: links between depression, self-esteem, negative schematic beliefs and delusions and hallucinations.

  Smith B. et al, (2006), Schizophr Res, 86, 181 - 188

• Delusions and decision-making style: use of the Need for Closure Scale.

  Freeman D. et al, (2006), Behav Res Ther, 44, 1147 - 1158

• A validation of a new measure of activity in psychosis.

  Jolley S. et al, (2006), Schizophr Res, 85, 288 - 295

• The Brief Core Schema Scales (BCSS): psychometric properties and associations with paranoia and grandiosity in non-clinical and psychosis samples.

  Fowler D. et al, (2006), Psychol Med, 36, 749 - 759

• Misattribution of self-generated speech in relation to hallucinatory proneness and delusional ideation in healthy volunteers.

  Allen P. et al, (2006), Schizophr Res, 84, 281 - 288

• Emotional dysfunction in schizophrenia spectrum psychosis: the role of illness perceptions.

  Watson PW. et al, (2006), Psychol Med, 36, 761 - 770

• Delusions in the nonclinical population.

  Freeman D., (2006), Curr Psychiatry Rep, 8, 191 - 204

• Influence of carer expressed emotion and affect on relapse in non-affective psychosis.

  Kuipers E. et al, (2006), Br J Psychiatry, 188, 173 - 179

• Trauma and hallucinatory experience in psychosis.

  Hardy A. et al, (2005), J Nerv Ment Dis, 193, 501 - 507

• Reasoning, emotions, and delusional conviction in psychosis.

  Garety PA. et al, (2005), J Abnorm Psychol, 114, 373 - 384

• Grandiose delusions: an experimental investigation of the delusion as defense.

  Smith N. et al, (2005), J Nerv Ment Dis, 193, 480 - 487

• Developing a theoretical understanding of therapy techniques: An illustrative analogue study

  Freeman D. et al, (2005), British Journal of Clinical Psychology, 44, 241 - 254

• Developing a theoretical understanding of therapy techniques: an illustrative analogue study.

  Freeman D. et al, (2005), Br J Clin Psychol, 44, 241 - 254

• The psychology of persecutory ideation II: a virtual reality experimental study.

  Freeman D. et al, (2005), J Nerv Ment Dis, 193, 309 - 315

• The psychology of persecutory ideation I: a questionnaire survey.

  Freeman D. et al, (2005), J Nerv Ment Dis, 193, 302 - 308

• Psychological investigation of the structure of paranoia in a non-clinical population.

  Freeman D. et al, (2005), Br J Psychiatry, 186, 427 - 435

• The prediction of hallucinatory predisposition in non-clinical individuals: examining the contribution of emotion and reasoning.

  Allen P. et al, (2005), Br J Clin Psychol, 44, 127 - 132

• The prediction of hallucinatory predisposition in non-clinical individuals: Examining the contribution of emotion and reasoning

  Allen P. et al, (2005), British Journal of Clinical Psychology, 44, 127 - 132

• Bats amongst birds

  Freeman D. and Garety PA., (2004), Psychologist, 17, 642 - 645

• Why do people with delusions fail to choose more realistic explanations for their experiences? An empirical investigation.

  Freeman D. et al, (2004), J Consult Clin Psychol, 72, 671 - 680

• Paranoia

  Freeman D. et al, (2004)

• Connecting neurosis and psychosis: the direct influence of emotion on delusions and hallucinations.

  Freeman D. and Garety PA., (2003), Behav Res Ther, 41, 923 - 947

• Can virtual reality be used to investigate persecutory ideation?

  Freeman D. et al, (2003), J Nerv Ment Dis, 191, 509 - 514

• CBT for psychosis [5] (multiple letters)

  Kuipers E. et al, (2002), British Journal of Psychiatry, 181

• A cognitive model of persecutory delusions.

  Freeman D. et al, (2002), Br J Clin Psychol, 41, 331 - 347

• A cognitive model of persecutory delusions

  Freeman D. et al, (2002), British Journal of Clinical Psychology, 41, 331 - 347

• A casebook of cognitive therapy for psychosis

  Freeman D. and Garety P., (2002), A casebook of cognitive therapy for psychosis

• Persecutory delusions: developing the understanding of belief maintenance and emotional distress.

  Freeman D. et al, (2001), Psychol Med, 31, 1293 - 1306

• A cognitive model of the positive symptoms of psychosis.

  Garety PA. et al, (2001), Psychol Med, 31, 189 - 195

• Comments on the content of persecutory delusions: does the definition need clarification?

  Freeman D. and Garety PA., (2000), Br J Clin Psychol, 39 ( Pt 4), 407 - 414

• An examination of hypervigilance for external threat in individuals with generalized anxiety disorder and individuals with persecutory delusions using visual scan paths.

  Freeman D. et al, (2000), Q J Exp Psychol A, 53, 549 - 567

• Cognitive approaches to delusions: a critical review of theories and evidence.

  Garety PA. and Freeman D., (1999), Br J Clin Psychol, 38 ( Pt 2), 113 - 154

• Worry, worry processes and dimensions of delusions: An exploratory investigation of a role for anxiety processes in the maintenance of delusional distress

  Freeman D. and Garety PA., (1999), Behavioural and Cognitive Psychotherapy, 27, 47 - 62

• The London-East Anglia randomized controlled trial of cognitive-behaviour therapy for psychosis. IV: Self-esteem and persecutory delusions.

  Freeman D. et al, (1998), Br J Clin Psychol, 37 ( Pt 4), 415 - 430

• London-east Anglia randomised controlled trial of cognitive-behavioural therapy for psychosis. III: Follow-up and economic evaluation at 18 months.

  Kuipers E. et al, (1998), Br J Psychiatry, 173, 61 - 68

• London-East Anglia randomised controlled trial of cognitive-behavioural therapy for psychosis. II: Predictors of outcome.

  Garety P. et al, (1997), Br J Psychiatry, 171, 420 - 426

• London-East Anglia randomised controlled trial of cognitive-behavioural therapy for psychosis. I: effects of the treatment phase.

  Kuipers E. et al, (1997), Br J Psychiatry, 171, 319 - 327

• Virtual reality in the assessment, understanding, and treatment of mental health disorders

  Freeman D. et al, Psychological Medicine

• The concomitants of conspiracy concerns

  Freeman D. and bentall R., Social Psychiatry and Psychiatric Epidemiology

• An explanatory randomised controlled trial testing the effects of improving sleep on mental health: an interventionist-causal model approach with mediation analysis.

  Freeman D., The Lancet Psychiatry

Key Publications

• Persecutory delusions: a cognitive perspective on understanding and treatment.

  Freeman D., (2016), Lancet Psychiatry, 3, 685 - 692
• Virtual reality in the treatment of persecutory delusions: randomised controlled experimental study testing how to reduce delusional conviction.

  Freeman D. et al, (2016), Br J Psychiatry, 209, 62 - 67
• Effects of cognitive behaviour therapy for worry on persecutory delusions in patients with psychosis (WIT): a parallel, single-blind, randomised controlled trial with a mediation analysis.

  Freeman D. et al, (2015), Lancet Psychiatry, 2, 305 - 313
• Efficacy of cognitive behavioural therapy for sleep improvement in patients with persistent delusions and hallucinations (BEST): a prospective, assessor-blind, randomised controlled pilot trial.

  Freeman D. et al, (2015), Lancet Psychiatry, 2, 975 - 983
• Virtual reality in the assessment, understanding, and treatment of mental health disorders

  Freeman D. et al, Psychological Medicine

Recent Publications

• Nightmares in the general population: identifying potential causal factors.

  Rek S. et al, (2017), Soc Psychiatry Psychiatr Epidemiol
• Cognitive, affective, and social factors maintaining paranoia in adolescents with mental health problems: A longitudinal study.

  Bird JC. et al, (2017), Psychiatry Res, 257, 34 - 39
• Persistent persecutory delusions: The spirit, style and content of targeted treatment.

  Freeman D. and Waite F., (2017), World Psychiatry, 16, 208 - 209
• Using Directed Acyclic Graphs in Epidemiological Research in Psychosis: An Analysis of the Role of Bullying in Psychosis.

  Moffa G. et al, (2017), Schizophr Bull
• Clinician perceptions of sleep problems, and their treatment, in patients with non-affective psychosis.

  Rehman A. et al, (2017), Psychosis, 9, 129 - 139
• Transdiagnostic Extension of Delusions: Schizophrenia and Beyond.

  Bebbington P. and Freeman D., (2017), Schizophr Bull, 43, 273 - 282
• Characterization and structure of hypomania in a British nonclinical adolescent sample.

  Hosang GM. et al, (2017), J Affect Disord, 207, 228 - 235
• Hallucinations in the months after a trauma: An investigation of the role of cognitive processing of a physical assault in the occurrence of hallucinatory experiences.

  Geddes G. et al, (2016), Psychiatry Res, 246, 601 - 605
• Worry processes in patients with persecutory delusions.

  Startup H. et al, (2016), Br J Clin Psychol, 55, 387 - 400
• Targeting Recovery in Persistent Persecutory Delusions: A Proof of Principle Study of a New Translational Psychological Treatment (the Feeling Safe Programme).

  Freeman D. et al, (2016), Behav Cogn Psychother, 44, 539 - 552
• Shared Etiology of Psychotic Experiences and Depressive Symptoms in Adolescence: A Longitudinal Twin Study.

  Zavos HM. et al, (2016), Schizophr Bull, 42, 1197 - 1206
• Dimensional psychotic experiences in adolescence: Evidence from a taxometric study of a community-based sample.

  Taylor MJ. et al, (2016), Psychiatry Res, 241, 35 - 42
• Virtual reality in the treatment of persecutory delusions: randomised controlled experimental study testing how to reduce delusional conviction.

  Freeman D. et al, (2016), Br J Psychiatry, 209, 62 - 67
• The Perseverative Thinking Questionnaire in Patients with Persecutory Delusions.

  Černis E. et al, (2016), Behav Cogn Psychother, 44, 472 - 481
• Psychological Mechanisms Mediating Effects Between Trauma and Psychotic Symptoms: The Role of Affect Regulation, Intrusive Trauma Memory, Beliefs, and Depression.

  Hardy A. et al, (2016), Schizophr Bull, 42 Suppl 1, S34 - S43
• Persecutory delusions: a cognitive perspective on understanding and treatment.

  Freeman D., (2016), Lancet Psychiatry, 3, 685 - 692
• Insomnia and hallucinations in the general population: Findings from the 2000 and 2007 British Psychiatric Morbidity Surveys.

  Sheaves B. et al, (2016), Psychiatry research, 241, 141 - 146

• The patient experience of sleep problems and their treatment in the context of current delusions and hallucinations.

  Waite F. et al, (2016), Psychol Psychother, 89, 181 - 193
• Sleep Disturbances and Suicide Risk in an 8-Year Longitudinal Study of Schizophrenia-Spectrum Disorders.

  Li SX. et al, (2016), Sleep, 39, 1275 - 1282
• Association between stressful life events and psychotic experiences in adolescence: evidence for gene-environment correlations.

  Shakoor S. et al, (2016), Br J Psychiatry, 208, 532 - 538
• Negative cognitions about the self in patients with persecutory delusions: An empirical study of self-compassion, self-stigma, schematic beliefs, self-esteem, fear of madness, and suicidal ideation.

  Collett N. et al, (2016), Psychiatry Res, 239, 79 - 84
• Digital Cognitive Behavioural Therapy for Insomnia versus sleep hygiene education: the impact of improved sleep on functional health, quality of life and psychological well-being. Study protocol for a randomised controlled trial.

  Espie CA. et al, (2016), Trials, 17, 257 - 257

• Treating Sleep Problems in Patients with Schizophrenia.

  Waite F. et al, (2016), Behav Cogn Psychother, 44, 273 - 287
• Conceptualising paranoia in ASD: A systematic review and development of a theoretical framework

  Spain D. et al, (2016), Research in Autism Spectrum Disorders, 25, 97 - 111
• The efficacy of a new translational treatment for persecutory delusions: study protocol for a randomised controlled trial (The Feeling Safe Study).

  Freeman D. et al, (2016), Trials, 17
• Self-Confidence and Paranoia: An Experimental Study Using an Immersive Virtual Reality Social Situation.

  Atherton S. et al, (2016), Behav Cogn Psychother, 44, 56 - 64
• Insomnia, Nightmares, and Chronotype as Markers of Risk for Severe Mental Illness: Results from a Student Population.

  Sheaves B. et al, (2016), Sleep, 39, 173 - 181
• The role of sleep dysfunction in the occurrence of delusions and hallucinations: A systematic review.

  Reeve S. et al, (2015), Clin Psychol Rev, 42, 96 - 115
• Genetic moderation of the effects of cannabis: catechol-O-methyltransferase (COMT) affects the impact of Δ9-tetrahydrocannabinol (THC) on working memory performance but not on the occurrence of psychotic experiences.

  Tunbridge EM. et al, (2015), J Psychopharmacol, 29, 1146 - 1151
• Efficacy of cognitive behavioural therapy for sleep improvement in patients with persistent delusions and hallucinations (BEST): a prospective, assessor-blind, randomised controlled pilot trial.

  Freeman D. et al, (2015), Lancet Psychiatry, 2, 975 - 983