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1.
Encephale ; 50(1): 99-107, 2024 Feb.
Artigo em Francês | MEDLINE | ID: mdl-37748987

RESUMO

Persecutory ideas are a major clinical problem and are associated with impaired functioning, reduced compliance with medication and increased risk of hospitalization. Persecutory ideation is defined as the false conviction that others are threatening or conspiring against one. Although persecutory delusions are mainly described and experienced in schizophrenia spectrum disorders, they also occur in other neurological and psychiatric diagnoses including Alzheimer disease, epilepsy, depression, mania, dementia and post-traumatic stress disorder. Moreover, epidemiological data from general and clinical populations indicated that paranoid beliefs occur on a hierarchy of severity and are present to a lesser degree in the general population, with paranoid delusions representing the severe end of a continuum. In this review we focus on the important advances following a decade of research from psychological sciences, and more particularly the work of Daniel Freeman and Philippa Garety in England. Their work has demonstrated that a range of causal factors are involved in the development and maintenance of delusions beyond the traditional cognitive and behavioural models. Indeed, there is now well-validated evidence that sleep disturbances, worry proneness, reasoning biases, such as failure to consider alternative explanations or belief confirmation bias, abnormal experiences such as hallucinations, negative self-beliefs, and safety behaviours, are central factors that contribute to the paranoid phenomenon. In this review, we describe each of these causal factors in detail as well as the clinical interventions developed by Freeman and his collaborators, including the integrative and modular "Feeling Safe" intervention. Broadly speaking, the aim of this psychological intervention is for patients to relearn safety by exposing them to situations they consider as potentially dangerous after reduction of the influence of the maintenance factors described above. A recent publication showed that the Feeling Safe program led to recovery in persecutory delusions for 50% of patients having poor response to antipsychotic medication, making the intervention as the most effective psychological treatment for persecutory delusions. Finally, we will critically discuss the efficacy data from the numerous clinical studies validating its effectiveness. Prospects for the implementation of the Feeling Safe program in France also is discussed.


Assuntos
Transtornos Paranoides , Esquizofrenia , Humanos , Transtornos Paranoides/terapia , Transtornos Paranoides/diagnóstico , Transtornos Paranoides/psicologia , Delusões/etiologia , Delusões/terapia , Delusões/psicologia , Esquizofrenia/terapia , Ansiedade/psicologia , Emoções
2.
JMIR Hum Factors ; 10: e45453, 2023 Dec 08.
Artigo em Inglês | MEDLINE | ID: mdl-38064256

RESUMO

BACKGROUND: Paranoia is a highly debilitating mental health condition. One novel intervention for paranoia is cognitive bias modification for paranoia (CBM-pa). CBM-pa comes from a class of interventions that focus on manipulating interpretation bias. Here, we aimed to develop and evaluate new therapy content for CBM-pa for later use in a self-administered digital therapeutic for paranoia called STOP ("Successful Treatment of Paranoia"). OBJECTIVE: This study aimed to (1) take a user-centered approach with input from living experts, clinicians, and academics to create and evaluate paranoia-relevant item content to be used in STOP and (2) engage with living experts and the design team from a digital health care solutions company to cocreate and pilot-test the STOP mobile app prototype. METHODS: We invited 18 people with living or lived experiences of paranoia to create text exemplars of personal, everyday emotionally ambiguous scenarios that could provoke paranoid thoughts. Researchers then adapted 240 suitable exemplars into corresponding intervention items in the format commonly used for CBM training and created 240 control items for the purpose of testing STOP. Each item included newly developed, visually enriching graphics content to increase the engagement and realism of the basic text scenarios. All items were then evaluated for their paranoia severity and readability by living experts (n=8) and clinicians (n=7) and for their item length by the research team. Items were evenly distributed into six 40-item sessions based on these evaluations. Finalized items were presented in the STOP mobile app, which was co-designed with a digital health care solutions company, living or lived experts, and the academic team; user acceptance was evaluated across 2 pilot tests involving living or lived experts. RESULTS: All materials reached predefined acceptable thresholds on all rating criteria: paranoia severity (intervention items: ≥1; control items: ≤1, readability: ≥3, and length of the scenarios), and there was no systematic difference between the intervention and control group materials overall or between individual sessions within each group. For item graphics, we also found no systematic differences in users' ratings of complexity (P=.68), attractiveness (P=.15), and interest (P=.14) between intervention and control group materials. User acceptance testing of the mobile app found that it is easy to use and navigate, interactive, and helpful. CONCLUSIONS: Material development for any new digital therapeutic requires an iterative and rigorous process of testing involving multiple contributing groups. Appropriate user-centered development can create user-friendly mobile health apps, which may improve face validity and have a greater chance of being engaging and acceptable to the target end users.


Assuntos
Aplicativos Móveis , Telemedicina , Humanos , Transtornos Paranoides/terapia , Design Centrado no Usuário , Interface Usuário-Computador
3.
Psychol Med ; 53(10): 4614-4626, 2023 07.
Artigo em Inglês | MEDLINE | ID: mdl-35699135

RESUMO

BACKGROUND: Cognitive Bias Modification for paranoia (CBM-pa) is a novel, theory-driven psychological intervention targeting the biased interpretation of emotional ambiguity associated with paranoia. Study objectives were (i) test the intervention's feasibility, (ii) provide effect size estimates, (iii) assess dose-response and (iv) select primary outcomes for future trials. METHODS: In a double-blind randomised controlled trial, sixty-three outpatients with clinically significant paranoia were randomised to either CBM-pa or an active control (text reading) between April 2016 and September 2017. Patients received one 40 min session per week for 6 weeks. Assessments were given at baseline, after each interim session, post-treatment, and at 1- and 3-months post-treatment. RESULTS: A total of 122 patients were screened and 63 were randomised. The recruitment rate was 51.2%, with few dropouts (four out of 63) and follow-up rates were 90.5% (1-month) and 93.7% (3-months). Each session took 30-40 min to complete. There was no statistical evidence of harmful effects of the intervention. Preliminary data were consistent with efficacy of CBM-pa over text-reading control: patients randomised to the intervention, compared to control patients, reported reduced interpretation bias (d = -0.48 to -0.76), improved symptoms of paranoia (d = -0.19 to -0.38), and lower depressed and anxious mood (d = -0.03 to -0.29). The intervention effect was evident after the third session. CONCLUSIONS: CBM-pa is feasible for patients with paranoia. A fully powered randomised control trial is warranted.


Assuntos
Ansiedade , Transtornos Paranoides , Humanos , Transtornos Paranoides/terapia , Transtornos Paranoides/psicologia , Estudos de Viabilidade , Método Duplo-Cego , Viés , Cognição
4.
Trials ; 23(1): 658, 2022 Aug 15.
Artigo em Inglês | MEDLINE | ID: mdl-35971137

RESUMO

BACKGROUND: Schizophrenia spectrum disorders cause suffering for patients, relatives, and the surrounding society. Paranoid ideations, encompassing ideas of social reference and manifest persecutory delusions, are among the most frequent symptoms in this population and a cause of significant distress. Recent meta-analyses of cognitive behavioral therapy (CBT) for psychosis show small to moderate effect sizes in reducing paranoid ideations. Virtual reality-based CBT (VR-CBT) could improve therapy efficacy as exposure and behavioral experiments in VR can be optimized, individualized, and carried out in a safe environment. Few VR-CBT studies exist for paranoid ideations and there is a need for large-scale, methodologically rigorous trials. METHODS: This study is a randomized, assessor-blinded parallel-groups multi-center superiority clinical trial, fulfilling the CONSORT criteria for non-pharmacological treatment. A total of 256 patients diagnosed with schizophrenia spectrum disorder, including schizotypal disorder (ICD-10 F20-29), will be allocated to either 10 sessions of symptom-specific CBT-VR plus treatment as usual-versus 10 sessions of standard symptom-specific CBT for paranoid ideations (CBT) plus treatment as usual. All participants will be assessed at baseline, treatment end (3 months post baseline), and then 9 months post baseline. A stratified block-randomization with concealed randomization sequence will be conducted. Independent assessors blinded to the treatment will evaluate the outcome. Analysis of outcome will be carried out with the intention to treat principles. The primary outcome is ideas of social reference measured with Green Paranoid Thought Scale Part A (GPTS-A) at the cessation of treatment at 3 months post baseline. Secondary outcomes are ideas of persecution (GPTS-B), Social Interaction Anxiety Scale (SIAS), Personal and Social Performance scale (PSP), Safety Behavior Questionnaire (SBQ), and CANTAB Emotion Recognition Task. DISCUSSION: The trial will elucidate whether VR-CBT can enhance therapy efficacy for paranoid ideations. Additionally, Trial findings will provide evidence on the effectiveness and cost-effectiveness of VR-CBT for paranoid ideations that can guide the possible dissemination and implementation into clinical practice. TRIAL REGISTRATION: ClinicalTrials.gov NCT04902066 . Initial release April 9th, 2021.


Assuntos
Terapia Cognitivo-Comportamental , Transtornos Psicóticos , Esquizofrenia , Realidade Virtual , Medo , Humanos , Transtornos Paranoides/diagnóstico , Transtornos Paranoides/terapia , Transtornos Psicóticos/psicologia , Esquizofrenia/diagnóstico , Esquizofrenia/terapia
5.
Artigo em Inglês | MEDLINE | ID: mdl-35830736

RESUMO

The Psychiatric Consultation Service at Massachusetts General Hospital sees medical and surgical inpatients with comorbid psychiatric symptoms and conditions. During their twice-weekly rounds, Dr Stern and other members of the Consultation Service discuss diagnosis and management of hospitalized patients with complex medical or surgical problems who also demonstrate psychiatric symptoms or conditions. These discussions have given rise to rounds reports that will prove useful for clinicians practicing at the interface of medicine and psychiatry.


Assuntos
Transtorno Bipolar , Transtornos Mentais , Psiquiatria , Idoso , Transtorno Bipolar/complicações , Transtorno Bipolar/diagnóstico , Transtorno Bipolar/terapia , Diagnóstico Diferencial , Feminino , Hospitais Gerais , Humanos , Transtornos Mentais/terapia , Transtornos Paranoides/complicações , Transtornos Paranoides/diagnóstico , Transtornos Paranoides/terapia , Encaminhamento e Consulta
6.
Psychol Psychother ; 95(3): 781-806, 2022 09.
Artigo em Inglês | MEDLINE | ID: mdl-35570714

RESUMO

OBJECTIVES: Paranoia describes unfounded interpersonal threat beliefs. Secure attachment imagery attenuates paranoia, but limited research examines mechanisms of change and no studies examine how secure imagery may be implemented most effectively in clinical practice. In this study, we tested: (a) the causal impact of secure, anxious, and avoidant attachment imagery on paranoia and anxiety, (b) whether emotion regulation strategies mediate these relationships, and (c) whether secure imagery buffers against social stress. DESIGN: We utilized a longitudinal, experimental design. METHOD: A general population sample with high non-clinical paranoia (N = 265) completed measures of paranoia, anxiety, and emotion regulation strategies. Participants were randomly allocated to secure, anxious, or avoidant conditions and repeated an imagery prime for four days prior to a social stress task. RESULTS: Relative to anxious and avoidant imagery, secure imagery decreased state paranoia and anxiety. These associations were not mediated by state emotion regulation strategies, and secure imagery did not buffer against stress. Exploratory analyses on trait variables revealed that: (a) hyperactivating strategies mediated the association between attachment anxiety and paranoia, and (b) suppression mediated the association between attachment avoidance and paranoia. CONCLUSIONS: Secure attachment imagery reduces state paranoia and anxiety and could be incorporated into psychotherapies to attenuate clinical paranoia. Measurement of state emotion regulation was problematic. Attachment imagery does not buffer stress; further research is required to test whether secure imagery facilitates recovery from stress. Attachment style is likely to account for trait paranoia via attachment-congruent emotion regulation strategies. Research is now needed to determine if these strategies can be targeted to alleviate paranoia in clinical populations.


Assuntos
Regulação Emocional , Transtornos Paranoides , Ansiedade/psicologia , Humanos , Imagens, Psicoterapia , Apego ao Objeto , Transtornos Paranoides/psicologia , Transtornos Paranoides/terapia
7.
Artigo em Inglês | MEDLINE | ID: mdl-35430406

RESUMO

BACKGROUND: Persecutory delusions are among the most common delusions in schizophrenia and represent the extreme end of the paranoia continuum. Paranoia is accompanied by significant worry and distress. Identifying cognitive mechanisms underlying paranoia is critical for advancing treatment. We hypothesized that aberrant belief updating, which is related to paranoia in human and animal models, would also contribute to persecutory beliefs in individuals with schizophrenia. METHODS: Belief updating was assessed in 42 participants with schizophrenia and 44 healthy control participants using a 3-option probabilistic reversal learning task. Hierarchical Gaussian Filter was used to estimate computational parameters of belief updating. Paranoia was measured using the Positive and Negative Syndrome Scale and the revised Green et al. Paranoid Thoughts Scale. Unusual thought content was measured with the Psychosis Symptom Rating Scale and the Peters et al. Delusions Inventory. Worry was measured using the Dunn Worry Questionnaire. RESULTS: Paranoia was significantly associated with elevated win-switch rate and prior beliefs about volatility both in schizophrenia and across the whole sample. These relationships were specific to paranoia and did not extend to unusual thought content or measures of anxiety. We observed a significant indirect effect of paranoia on the relationship between prior beliefs about volatility and worry. CONCLUSIONS: This work provides evidence that relationships between belief updating parameters and paranoia extend to schizophrenia, may be specific to persecutory beliefs, and contribute to theoretical models implicating worry in the maintenance of persecutory delusions.


Assuntos
Transtornos Paranoides , Esquizofrenia , Humanos , Transtornos Paranoides/diagnóstico , Transtornos Paranoides/psicologia , Transtornos Paranoides/terapia , Esquizofrenia/complicações , Esquizofrenia/diagnóstico , Delusões , Ansiedade/psicologia , Inquéritos e Questionários
8.
Br J Clin Psychol ; 61(3): 781-815, 2022 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-35178714

RESUMO

BACKGROUND: The relationship between attachment and paranoia is now well established. There is good theoretical reason and evidence to indicate that attachment style affects cognitive, affective, and behavioural processes which, in turn, contribute to the maintenance of paranoia, but this research has not been integrated. We critically and systematically review research that examines relevant cognitive, affective, and behavioural processes, which may explain how attachment insecurity leads to paranoia and constitute key targets in psychotherapeutic interventions for people with psychosis. METHOD: We conducted three systematic searches across six databases (PsycINFO, CINAHL, Medline, Web of Science, Embase, and Google Scholar), from inception to September 2021, to investigate key cognitive, affective, and behavioural processes in the attachment-paranoia association. RESULTS: We identified a total of 1930 papers and critically reviewed 16. The literature suggests that negative self- and other-beliefs, inability to defuse from unhelpful cognitions, and use of maladaptive emotion regulation strategies mediate the association between attachment insecurity and paranoia in people with psychosis/psychotic experience. Attachment-secure people with psychosis are more likely to seek help and engage with services than attachment-insecure people. CONCLUSIONS: Attachment styles impact help-seeking behaviours in people with psychosis and are likely to influence paranoia via self- and other-beliefs, cognition fusion, and emotion regulation - these candidate mechanisms may be targeted in psychological therapy to improve clinical outcomes for people with psychosis, characterized by paranoia. PRACTITIONER POINTS: Insecure attachment is likely to lead to paranoia via negative beliefs about self and others, cognitive fusion, and use of maladaptive emotion regulation strategies. These mechanisms can be targeted in psychotherapeutic interventions for psychosis, such as cognitive behaviour therapy, to improve clinical and recovery outcomes. People with psychosis who are attachment-secure are more likely to seek help and engage with services than those who are attachment-insecure (particularly avoidant). Attachment style can be assessed to predict service engagement and help-seeking behaviours in people with psychosis. Attachment styles are important predictors of key cognitive, affective, and behavioural processes in people with psychosis. These processes can be assessed and incorporated into individualised formulations, and then targeted in therapy to effect psychotherapeutic change.


Assuntos
Regulação Emocional , Transtornos Psicóticos , Cognição , Humanos , Apego ao Objeto , Transtornos Paranoides/psicologia , Transtornos Paranoides/terapia , Transtornos Psicóticos/psicologia
9.
Psychol Psychother ; 95(2): 423-446, 2022 06.
Artigo em Inglês | MEDLINE | ID: mdl-35019210

RESUMO

OBJECTIVES: SlowMo therapy is a pioneering blended digital therapy for paranoia, augmenting face-to-face therapy with an interactive 'webapp' and a mobile app. A recent large-scale trial demonstrated small-moderate effects on paranoia alongside improvements in self-esteem, worry, well-being and quality of life. This paper provides a comprehensive account of therapy personalisation within this targeted approach. DESIGN: Case examples illustrate therapy delivery and descriptive data are presented on personalised thought content. METHOD: Thought content was extracted from the webapp (n = 140 participants) and coded using newly devised categories: Worries: (1) Persecutory, (2) Negative social evaluation, (3) Negative self-concept, (4) Loss/life stresses, (5) Sensory-perceptual experiences and (6) Health anxieties. Safer thoughts: (1) Safer alternative (specific alternatives to worries), (2) Second-wave (generalised) coping, (3) Positive self-concept, (4) Positive activities and (5) Third-wave (mindfulness-based) coping. Data on therapy fidelity are also presented. RESULTS: Worries: 'Persecutory' (92.9% of people) and 'Negative social evaluation' (74.3%) were most common. 'General worries/ life stresses' (31.4%) and 'Negative self-concept' (22.1%) were present in a significant minority; 'Health anxieties' (10%) and 'Sensory-perceptual' (10%) were less common. Safer thoughts: 'Second-wave (general) coping' (85%), 'Safer alternatives' (76.4%), 'Positive self-concept' (65.7%) and 'Positive activities' (64.3%) were common with 'Third-wave' (mindfulness) coping observed for 30%. Fidelity: Only three therapy withdrawals were therapy related. Session adherence was excellent (mean = 15.2/16; SD = 0.9). Behavioural work was conducted with 71% of people (119/168). CONCLUSION: SlowMo therapy delivers a targeted yet personalised approach. Potential mechanisms of action extend beyond reasoning. Implications for cognitive models of paranoia and causal interventionist approaches are discussed.


Assuntos
Transtornos Paranoides , Qualidade de Vida , Ansiedade/psicologia , Medo , Humanos , Transtornos Paranoides/psicologia , Transtornos Paranoides/terapia , Autoimagem
10.
Acta sci., Health sci ; 44: e56546, Jan. 14, 2022.
Artigo em Inglês | LILACS | ID: biblio-1367534

RESUMO

The aim of the study is to determine the psychological well-being of patients who underwent stem cell transplantation. This cross-sectional study was conducted with 100 patients. Data were collected face-to-face using an introductory information form and the Brief Symptom Inventory.When the results of the patients were examined, the interpersonal sensitivity of the sub-dimensions of the scale was found to be 5.0 ± 4.06, depression 7.60 ± 5.37, and anxiety disorder 7.90 ± 5.34. There was a significant difference between the diagnosistime of the patients and all sub-factors of the scale, except phobic anxiety. It was found that the psychological state of the patients was directly related to the time of first diagnosis. As a result, the importance of following the psychological processof the patients during the treatment process was revealed when planning nursing care.


Assuntos
Humanos , Masculino , Feminino , Adulto , Pessoa de Meia-Idade , Idoso , Pacientes/psicologia , Transplante de Células-Tronco/enfermagem , Ajustamento Emocional/ética , Cuidados de Enfermagem/ética , Transtornos de Ansiedade/diagnóstico , Transtornos de Ansiedade/enfermagem , Transtornos de Ansiedade/reabilitação , Transtornos Paranoides/diagnóstico , Transtornos Paranoides/enfermagem , Transtornos Paranoides/terapia , Transtornos Psicóticos/diagnóstico , Transtornos Psicóticos/enfermagem , Transtornos Psicóticos/terapia , Transtornos Somatoformes/diagnóstico , Transtornos Somatoformes/enfermagem , Transtornos Somatoformes/terapia , Medula Óssea , Demografia/estatística & dados numéricos , Estudos Transversais , Depressão/diagnóstico , Depressão/enfermagem , Hostilidade , Neoplasias/diagnóstico , Transtorno Obsessivo-Compulsivo/diagnóstico , Transtorno Obsessivo-Compulsivo/enfermagem , Transtorno Obsessivo-Compulsivo/terapia
11.
Behav Cogn Psychother ; 50(1): 15-27, 2022 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-34078499

RESUMO

BACKGROUND: Negative beliefs about the self, including low self-compassion, have been identified as a putative causal factor in the occurrence of paranoia. Therefore, improving self-compassion may be one route to reduce paranoia. AIMS: To assess the feasibility, acceptability, and potential clinical effects of a brief compassionate imagery intervention for patients with persecutory delusions. METHOD: Twelve patients with persecutory delusions received an individual four-session compassionate imagery intervention. Assessments of self-concept and paranoia were completed before treatment, immediately after treatment, and at 1-month follow-up. A qualitative study exploring participants' experiences of the treatment was also completed. RESULTS: Twelve out of 14 eligible patients referred to the study agreed to take part. All participants completed all therapy sessions and assessments. Post-treatment, there were improvements in self-compassion (change score -0.64, 95% CI -1.04, -0.24, d = -1.78), negative beliefs about the self (change score 2.42, 95% CI -0.37, 5.20, d = 0.51), and paranoia (change score 10.08, 95% CI 3.47, 16.69, d = 0.61). There were no serious adverse events. Three themes emerged from the qualitative analysis: 'effortful learning', 'seeing change' and 'taking it forward'. Participants described a process of active and effortful engagement in therapy which was rewarded with positive changes, including feeling calmer, gaining clarity, and developing acceptance. CONCLUSION: This uncontrolled feasibility study indicates that a brief compassionate imagery intervention for patients with persecutory delusions is feasible, acceptable, and may lead to clinical benefits.


Assuntos
Delusões , Autocompaixão , Delusões/terapia , Empatia , Humanos , Imagens, Psicoterapia , Transtornos Paranoides/terapia
12.
Psychol Psychother ; 94(4): 973-993, 2021 12.
Artigo em Inglês | MEDLINE | ID: mdl-34145722

RESUMO

OBJECTIVES: Paranoia describes unfounded and distressing interpersonal threat beliefs. Secure attachment imagery has been shown to attenuate paranoia and anxiety in non-clinical and clinical groups, but little is known about the differential effects of anxious and avoidant imagery or mechanisms of change. In this study, we tested the impact of secure, anxious, and avoidant attachment imagery on paranoia, anxiety, and help-seeking intentions. We also examined hypothesized mechanisms of change, specifically whether cognitive fusion and negative self- and other-beliefs mediate these relationships. DESIGN: This study utilized an experimental, cross-sectional design. METHODS: A large (N = 303), international general population sample with high levels of non-clinical paranoia completed a series of measures before and after engaging in secure, anxious, or avoidant imagery. RESULTS: Relative to anxious and avoidant attachment imagery, secure attachment imagery reduced paranoia and anxiety and increased help-seeking intentions. Cognitive fusion and negative self- and other-beliefs mediated the impact of attachment imagery on paranoia and anxiety, but not help-seeking. CONCLUSIONS: In line with attachment and cognitive theory, secure attachment imagery is effective in reducing paranoia and anxiety and works by reducing cognitive fusion and negative self- and other-beliefs. These novel findings suggest that the secure imagery task could be incorporated into cognitive and behavioural therapies to reduce distressing interpersonal threat beliefs and associated negative affect, and increase help-seeking intentions. PRACTITIONER POINTS: When working with people experiencing paranoia, secure attachment imagery may be effective in reducing state paranoia and anxiety and improving help-seeking intentions. Attachment imagery works by influencing beliefs about self and others, and the degree to which people are fused with their beliefs. In clinical practice, the rationale for the imagery task fits well with psychological models of paranoia and the secure imagery task can be introduced as a way to cope when struggling with distressing beliefs about self and others, and feeling overwhelmed by these fears.


Assuntos
Transtornos de Ansiedade , Transtornos Paranoides , Ansiedade/terapia , Cognição , Estudos Transversais , Humanos , Transtornos Paranoides/terapia
13.
Br J Clin Psychol ; 60(3): 333-338, 2021 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-33914945

RESUMO

OBJECTIVES: Paranoia manifests similarly in subclinical and clinical populations and is related to distress and impairment. Previous work links paranoia to amygdala hyperactivity and reduced activation of the ventrolateral prefrontal cortex (VLPFC), a region thought to regulate amygdala activity. METHODS: This study aimed to reduce subclinical paranoia in 40 undergraduates by increasing activity of the VLPFC via single-session transcranial Direct Current Stimulation (tDCS). A double-blind, crossover (active vs. sham stimulation) design was used. RESULTS: Paranoia significantly decreased after active stimulation (dz  = 0.51) but not sham (dz  = 0.19), suggesting that tDCS of VLPFC was associated with mean-level reductions in paranoia. CONCLUSION: These findings demonstrate preliminary support for the role of single-session active stimulation to the VLPFC for reducing subclinical paranoia in healthy individuals. PRACTITIONER POINTS: In both clinical and subclinical populations, paranoia is related to distress and poorer functional outcomes. Paranoia has been linked to overactivation of the amygdala, a brain region responsible for detecting salience and threat, and reduced activation of the ventrolateral prefrontal cortex (VLPFC), a region thought to modulate and regulate amygdala activity. In this study, transcranial direct current stimulation (tDCS) of the VLPFC reduced self-reported paranoia in healthy undergraduate students. tDCS may be a promising intervention for reducing paranoia in subclinical and clinical populations. Effects were relatively small and require replication with larger subclinical samples and with clinical samples.


Assuntos
Voluntários Saudáveis , Transtornos Paranoides/terapia , Córtex Pré-Frontal , Estimulação Transcraniana por Corrente Contínua , Método Duplo-Cego , Feminino , Humanos , Masculino , Adulto Jovem
14.
Behav Cogn Psychother ; 49(3): 302-313, 2021 May.
Artigo em Inglês | MEDLINE | ID: mdl-33070795

RESUMO

BACKGROUND: Current psychological interventions for psychosis focus primarily on cognitive and behavioural management of delusions and hallucinations, with modest outcomes. Emotions are not usually targeted directly, despite evidence that people with psychosis have difficulty identifying, accepting and modifying affective states. AIMS: This study assessed the impact of emotion regulation skills practice on affect and paranoia in seven people who met criteria for a diagnosis of schizophrenia or schizoaffective disorder. METHOD: The study utilised a single case ABA design and measured emotion regulation skills, affect and paranoia over baseline, intervention and withdrawal of intervention phases. We predicted that eight sessions of skills rehearsal would lead to improved emotion regulation, reduced negative affect, increased positive affect, and reduced paranoia. RESULTS: Most participants were able to learn to regulate their emotions, and reported reduced negative affect and paranoia. There was no clear pattern of change for positive affect. CONCLUSIONS: These findings suggest that emotion can be targeted in psychosis, and is associated with reduced paranoia. Emotion regulation may constitute a key treatment target in cognitive behavioural therapy for psychosis.


Assuntos
Terapia Cognitivo-Comportamental , Transtornos Psicóticos , Esquizofrenia , Emoções , Humanos , Transtornos Paranoides/terapia , Transtornos Psicóticos/terapia
15.
Schizophr Res ; 222: 227-234, 2020 08.
Artigo em Inglês | MEDLINE | ID: mdl-32527676

RESUMO

BACKGROUND: Negative affective processes may contribute to maintenance of paranoia in patients with psychosis, and vice versa. Successful treatment may break these pathological symptom networks. This study examined whether treatment with virtual reality based cognitive behavioral therapy (VR-CBT) for paranoia influences momentary affective states, and whether VR-CBT changes the adverse interplay between affective states and paranoia. METHODS: Patients with a psychotic disorder (n = 91) were randomized to 16-session VR-CBT or treatment as usual (TAU). With the experience sampling method (structured diary technique) mental states were assessed for 6-10 days at baseline, posttreatment and 6-month follow-up. Multilevel analysis were performed to establish treatment effects and time-lagged associations between mental states, that were visualized with networks of mental states. RESULTS: Average levels of paranoia (feeling suspicious [b = -032., p = .04], disliked [b = -49., p < .01] and hurt [b = -0.52, p < .01]) and negative affect (anxious [b = -0.37, p = .01], down [b = -0.33, p = .04] and insecure [b = -0.17, p = .03) improved more after VR-CBT than TAU, but positive affect did not. Baseline mental state networks had few significant connections, with most stable connections being autocorrelations of mental states. The interplay between affective states and paranoia did not change in response to treatment. A trend reduction in average intranode connections (autocorrelations) was found after VR-CBT (b = -0.07, p = .08), indicating that mental states reinforce themselves less after treatment. CONCLUSIONS: VR-CBT reduced paranoid symptoms and lowered levels of negative affect in daily life, but did not affect the extent to which mental states influenced each other. Findings do suggest that as a result of treatment mental states regain flexibility.


Assuntos
Terapia Cognitivo-Comportamental , Transtornos Psicóticos , Realidade Virtual , Ansiedade , Humanos , Transtornos Paranoides/terapia , Transtornos Psicóticos/terapia
16.
Behav Cogn Psychother ; 48(5): 572-583, 2020 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-32594948

RESUMO

BACKGROUND: Cognitive behavioural therapy (CBT) for psychosis currently yields modest outcomes and must be improved. Attachment imagery may be an effective means of reducing severity of paranoid beliefs and associated affect. Experimental studies have demonstrated these effects in non-clinical groups. The impact in clinical populations remains untested. AIMS: This study assessed the impact of a brief attachment imagery task on paranoia and mood, in two people with a diagnosis of schizophrenia. METHOD: Two single case studies are presented. Both participants were working age adults with persecutory delusions. The study utilised an A-B-A design. Participants were recruited for a 6-week period, with a 2- and 3-week baseline respectively, 1-week intervention phase, and follow-up phase matched to duration of baseline. Trait paranoia and attachment were measured at the start of the baseline. State paranoia and affect were measured daily over the 6-week period. RESULTS: For both participants, the baseline phase was characterised by high and variable levels of paranoia, which reduced during the intervention phase, with a return to baseline scores at follow-up. We found a similar pattern for negative affect, and the reverse pattern for positive affect. CONCLUSIONS: Attachment imagery may function as an effective emotion regulation strategy for people with psychosis. Continued use is likely to be needed to maintain gains. This brief task could prove valuable to people needing skills to manage paranoia and mood, and give clinicians confidence that people can manage short-term distress in CBT for psychosis, for example when addressing past trauma.


Assuntos
Transtornos Paranoides , Transtornos Psicóticos , Adulto , Afeto , Delusões , Humanos , Imagens, Psicoterapia , Transtornos Paranoides/terapia , Transtornos Psicóticos/terapia
17.
Psychol Trauma ; 12(5): 465-467, 2020 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-32478547

RESUMO

This article outlines the mental health burden of COVID-19 in the United Kingdom population, and presents preliminary evidence of less common psychiatric issues, such as paranoia and hallucinations, to which vulnerable groups in the U.K. population may be more vulnerable. It is argued that cognitive-behavioral therapy, with components of mindfulness, should be part of the therapeutic response. (PsycInfo Database Record (c) 2020 APA, all rights reserved).


Assuntos
Sintomas Comportamentais , Terapia Cognitivo-Comportamental , Infecções por Coronavirus , Efeitos Psicossociais da Doença , Alucinações , Atenção Plena , Pandemias , Transtornos Paranoides , Pneumonia Viral , Isolamento Social , Sintomas Comportamentais/etnologia , Sintomas Comportamentais/etiologia , Sintomas Comportamentais/terapia , COVID-19 , Alucinações/etnologia , Alucinações/etiologia , Alucinações/terapia , Humanos , Grupos Minoritários , Transtornos Paranoides/etnologia , Transtornos Paranoides/etiologia , Transtornos Paranoides/terapia , Reino Unido/etnologia , Populações Vulneráveis
18.
Sci Rep ; 10(1): 8547, 2020 05 22.
Artigo em Inglês | MEDLINE | ID: mdl-32444619

RESUMO

Paranoia may build on negative beliefs held both about the self and others. Compassionate imagery may be one way of reducing such negative beliefs, and hence paranoia. Two studies tested this idea, one targeting compassion for the self and one targeting compassion for others. Two-hundred individuals from the general population scoring highly for paranoia were recruited. The studies used a randomised controlled experimental design, with embedded tests for mediation. Study one targeted self-compassion via creation of a compassionate coach (CC) image. Study two targeted compassion for others via loving kindness meditation (LKM). Individuals repeatedly entered neutral virtual reality social environments. Changes in compassion and paranoia were assessed. Compared to controls, the CC group increased in self-compassion (group difference = 2.12, C.I. = 1.57;2.67, p = <0.0001, d = 1.4) and decreased in paranoia (group difference = -1.73, C.I. = -2.48; -0.98, p = <0.0001, d = 0.8). Change in self-compassion explained 57% of change in paranoia. Compared to controls, the LKM group increased their compassion for others (group difference = 3.26, C.I. = 2.72;3.80, p = <0.0001, d = 1.7), and decreased in paranoia (group difference = -1.70, C.I. = -2.50; -0.89, p = <0.0001, d = 0.8). Change in compassion for others explained 67% of change in paranoia. Targeting negative beliefs about the self and others using compassionate imagery causes reductions in paranoia. Tests in clinical populations are indicated.


Assuntos
Empatia/fisiologia , Imagens, Psicoterapia/métodos , Meditação/métodos , Transtornos Paranoides/terapia , Meio Social , Realidade Virtual , Adolescente , Adulto , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Transtornos Paranoides/psicologia , Autoimagem , Adulto Jovem
19.
Clin Psychol Psychother ; 27(3): 337-345, 2020 May.
Artigo em Inglês | MEDLINE | ID: mdl-31994786

RESUMO

Virtual reality-assisted cognitive-behavioural therapy (VR-CBT) has potential to support people who experience paranoid ideation in social settings. However, virtual reality (VR) research using overt social environments is limited, and lack of qualitative studies on paranoid ideation in VR restricts understanding. This study aimed to use predominantly qualitative methods to investigate subjective experience of paranoia in VR and identify target domains for VR-CBT. Participants (N = 36) were non-clinical adults with high trait paranoia, who entered an interactive VR bar-room environment. After VR, they participated in brief audiotaped semi-structured interviews designed for measuring persecutory ideation in virtual environments. Researchers scored transcripts on the Comprehensive Assessment of At-Risk Mental States Non-Bizarre Ideas Global Rating Scale to rate the state paranoia represented by interview content. Thematic analysis of interviews employed superordinate themes of Social Evaluative Concerns, Ideas of Reference, and Ideas of Persecution to investigate participants' experience of paranoia. Mean score on the Non-Bizarre Ideas scale was 3.06 (standard deviation 1.24, range 1-6), indicating "moderate" attenuated-paranoid experiences. Nearly all participants reported Social Evaluative Concerns (N = 35) and Ideas of Reference (N = 32); half reported Ideas of Persecution (N = 19). Twelve subthemes were identified. Notably, participants believed they did not belong in the environment (N = 31), that they were the object of discussion (N = 20), and that they felt avatars were unfriendly (N = 27) and intentionally rejected them (N = 13). Subthemes reflect interpersonal and social processes that may constitute target areas for VR-CBT, for example, cognitive appraisals and social skills. Identification of these domains indicates how personalized VR-CBT may be operationalized.


Assuntos
Terapia Cognitivo-Comportamental/métodos , Transtornos Paranoides/terapia , Meio Social , Terapia de Exposição à Realidade Virtual/métodos , Adulto , Disfunção Cognitiva/diagnóstico , Disfunção Cognitiva/psicologia , Disfunção Cognitiva/terapia , Estudos Transversais , Cultura , Delusões/diagnóstico , Delusões/psicologia , Delusões/terapia , Feminino , Humanos , Relações Interpessoais , Masculino , Transtornos Paranoides/diagnóstico , Transtornos Paranoides/psicologia , Determinação da Personalidade , Distância Psicológica , Testes Psicológicos , Ajustamento Social , Identificação Social , Habilidades Sociais
20.
Behav Cogn Psychother ; 48(1): 54-66, 2020 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-31303183

RESUMO

BACKGROUND: Paranoia is often accompanied by distressing intrusions associated with traumatic memories, yet one of the best-evidenced interventions, imagery rescripting (IR), is not routinely offered. This is likely to be due to poor understanding of the effects of IR on postulated mechanisms of change as well as the absence of a robust evidence base. AIMS: This study aimed to establish proof of principle that IR impacts key cognitive-affective processes associated with distressing intrusions - memory characteristics and self-representations - and level of paranoia. METHOD: We used a within-subject repeated measures design to examine the effect of single-session IR on memory characteristics (level of intrusions, vividness, distress, encapsulated belief strength, emotion intensity and frequency), self-representation variables, affect and paranoia. Fifteen participants were seen once before and once after the IR session, to gather baseline and follow-up data. RESULTS: As predicted, participants reported reductions in memory characteristics, improved self-esteem and positive affect, and reduced negative affect and paranoia, with large effect sizes. These effects were maintained at follow-up. CONCLUSIONS: While a within-subject design is useful for initial exploration of novel interventions, controlled studies are needed to determine causality. This is the first study to examine mechanisms of IR in paranoia. A controlled trial is now warranted.


Assuntos
Afeto , Cognição , Imagens, Psicoterapia/métodos , Transtornos Paranoides/terapia , Psicoterapia Breve/métodos , Adulto , Conscientização , Feminino , Humanos , Masculino , Rememoração Mental , Pessoa de Meia-Idade , Transtornos Paranoides/diagnóstico , Transtornos Paranoides/psicologia , Projetos Piloto , Autoimagem
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