The role of metacognition and obsessive-compulsive symptoms in psychosis: an analogue study

Breaking the cycle: Exploring the relationship of metacognition beliefs, obsessive-compulsive symptoms, and psychosocial performance among individuals diagnosed with schizophrenia

THE RELEVANCE TO MENTAL HEALTH NURSING

This research paper explores the intricate relationship between metacognitive dysfunctional beliefs, obsessive-compulsive symptoms, and psychosocial performance in patients diagnosed with schizophrenia. Understanding these dynamics can help mental health nurses identify and address each patient's needs more effectively. It can guide them in devising personalized care plans that not only manage the symptoms but also improve the underlying mechanism that exacerbates the psychotic symptoms and social functioning and the overall quality of life. Moreover, the findings of this research can contribute to developing training programs for mental health nurses, equipping them with the necessary skills and knowledge to provide optimal care. What the paper adds to existing knowledge? • This study provides empirical evidence of the significant positive correlation between OCS and metacognitive dimensions in individuals with schizophrenia. • It highlights the role of certain demographic factors, such as younger age and single marital status, in increasing the likelihood of elevated OCS. • It underscores the inverse relationship between higher metacognitive dysfunctional beliefs and lower levels of psychosocial functioning. • It identifies age and metacognitive scores as crucial predictors of psychosocial functioning across various domains. What are the implications for practice? • The findings suggest that therapeutic nursing interventions for individuals diagnosed with schizophrenia should address metacognitive dysfunctional beliefs to improve overall functioning and well-being. • Clinicians, including psychiatrists and psychiatric nurses, should consider the patient's age, marital status, and metacognitive scores when assessing the risk of elevated OCS and devising treatment plans. • The study emphasizes the need for comprehensive psychiatric nursing assessment, including metacognitive dysfunction and OCS evaluation. What are the implications for future research? • Future research could explore the causal relationships between metacognitive dysfunctional beliefs, OCS, and psychosocial functioning in schizophrenia. • Longitudinal studies could provide insights into the progression of these relationships over time and the impact of therapeutic interventions. • Further research could also investigate the effectiveness of specific therapeutic strategies such as Metacognitive Therapy (MCT), Schema Therapy (ST), Cognitive Enhancement Therapy (CET), and Cognitive Behaviour Therapy (CBT) to address this population's metacognitive dysfunctional beliefs.

ABSTRACT

BACKGROUND: Schizophrenia is a chronic mental health disorder that significantly impacts an individual's cognitive, emotional and social functioning. Recent research has highlighted the role of metacognitive beliefs and obsessive-compulsive symptoms (OCS) in the psychosocial performance of individuals diagnosed with schizophrenia. Understanding these relationships could provide valuable insights for developing more effective nursing interventions. This study aimed to investigate the relationship between metacognitive beliefs, OCS and psychosocial performance among individuals diagnosed with schizophrenia.

DESIGN

A cross-sectional survey was conducted involving 174 purposively selected participants diagnosed with schizophrenia.

TOOLS

The Meta-Cognitions Questionnaire-30, Young Adult Self-Report Scale for OCS and Specific Level of Functioning Scale were used to gather the necessary data.

RESULTS

The study found a significant positive correlation between OCS and metacognitive dimensions. Age was a significant predictor with an Oddis Ratio of 2.471. The metacognitive dysfunction was a highly significant predictor in univariate and multivariate analyses, with Oddis Ratios of 1.087 and 1.106, respectively. The study also discovered that higher levels of metacognitive dysfunctional beliefs were associated with lower levels of psychosocial functioning. Age and the metacognitive dysfunction score were significant predictors of psychosocial functioning scores, accounting for 26.8% of the variance in these scores.

CONCLUSION

The study reveals a compelling inverse relationship between higher metacognitive dysfunctional beliefs and lower levels of psychosocial functioning in individuals diagnosed with schizophrenia. It also identifies certain demographic factors, such as younger age, as significant contributors to elevated OCS. Importantly, metacognitive dysfunction emerged as a critical predictor of psychosocial functioning across various domains. These findings underscore the potential of incorporating metacognitive-focused interventions in the treatment plans for schizophrenia patients. By addressing these cognitive patterns, healthcare professionals can enhance overall functioning and well-being in individuals diagnosed with schizophrenia.

Selective alterations of endocannabinoid system genes expression in obsessive compulsive disorder

Obsessive Compulsive Disorder (OCD) is listed as one of the top 10 most disabling neuropsychiatric conditions in the world. The neurobiology of OCD has not been completely understood and efforts are needed in order to develop new treatments. Beside the classical neurotransmitter systems and signalling pathways implicated in OCD, the possible involvement of the endocannabinoid system (ECS) has emerged in pathophysiology of OCD. We report here selective downregulation of the genes coding for enzymes allowing the synthesis of the endocannabinoids. We found reduced DAGLα and NAPE-PLD in blood samples of individuals with OCD (when compared to healthy controls) as well as in the amygdala complex and prefrontal cortex of dopamine transporter (DAT) heterozygous rats, manifesting compulsive behaviours. Also mRNA levels of the genes coding for cannabinoid receptors type 1 and type 2 resulted downregulated, respectively in the rat amygdala and in human blood. Moreover, NAPE-PLD changes in gene expression resulted to be associated with an increase in DNA methylation at gene promoter, and the modulation of this gene in OCD appears to be correlated to the progression of the disease. Finally, the alterations observed in ECS genes expression appears to be correlated with the modulation in oxytocin receptor gene expression, consistently with what recently reported. Overall, we confirm here a role for ECS in OCD at both preclinical and clinical level. Many potential biomarkers are suggested among its components, in particular NAPE-PLD, that might be of help for a prompt and clear diagnosis.

A clinical investigation of psychotic vulnerability in early-onset Obsessive-Compulsive Disorder through Cognitive-Perceptive basic symptoms

Childhood-onset Obsessive-Compulsive Disorder (OCD) shows distinct comorbidity patterns and developmental pathways, as well as an increased risk of psychosis with respect to adult-onset forms. Nevertheless, little is known about the prodromal symptoms of psychosis in children and adolescents with a primary diagnosis of OCD. The present study was aimed at evaluating the occurrence of Cognitive-Perceptual basic symptoms (COPER) and high- risk criterion Cognitive Disturbances (COGDIS) in pediatric and adults OCD patients, verifying if they might vary according to the age of onset of OCD. The study included 90 outpatients with a primary diagnosis of obsessive-compulsive disorder. The study sample was collapsed into three groups according to the age at onset: 1) very early onset group (< 10 years); 2) early onset group (11-18 years); 3) adult-onset group (> 18 years). All patients were administered the Yale-Brown Obsessive- Compulsive Scale (Y-BOCS) and its Child version (CY-BOCS), the Schizophrenia Proneness Instrument-Adult (SPIA) and its Child and Adolescent version (SPI-CY) and the Social and Occupational Functioning Assessment Scale (SOFAS). COPER and COGDIS symptoms were positively associated with OCD severity and detectable, respectively, in 28.9 and 26.7% of our study sample. The very early onset group significantly had higher COPER and COGDIS symptoms than the adult-onset group. Our data suggest that COPER and COGDIS symptoms are frequent in obsessive patients, in particular in those with earlier onset; therefore, their detection in childhood-onset OCD may represent an early and specific indicator of psychotic vulnerability.

Clinical profile of schizophrenia comorbid with obsessive-compulsive symptoms: A comparative study

OBJECTIVE

Describe and compare the clinical profile of schizophrenic patients with and without obsessive-compulsive symptoms and obsessive-compulsive disorder (OCD) patients.

METHODS

A descriptive and analytical cross-sectional study was carried out at the psychiatry department of Hassan II University Hospital in Fez over 12 months to compare three groups of patients: "schizo-obsessive" (n=32), "schizophrenia" (n=34), and "OCD" (n=46). All participants (n=112) were assessed using the mini-international neuropsychiatric interview (MINI), the Yale-Brown obsessive-compulsive scale (Y-BOCS), the Brown assessment of beliefs scale (BABS), the Hamilton anxiety rating scale (HAM-A), the Beck's depression inventory (BDI-II), the positive and negative syndrome scale (PANSS), and the clinical global impressions-severity scale (CGI-S).

RESULTS

The "schizo-obsessive" group differed from the "schizophrenia" group in: more severe psychotic symptoms (mean=64.16±17.049, P<0.001), higher anxiety (mean=8.87±5,655, P<0.001) and depression (mean=7.50±5.989, P<0.001) scores, more prevalent suicide attempts (46.9%), higher illness severity score (mean=5.13±1.157, P=0.02), and more professional disinsertion (78.1%). The "schizo-obsessive" group (mean= 14.47±3.388) had significantly poor insight (P<0.001) compared to the "OCD" group (mean= 8.35±4.542). There were similarities in the obsessive and compulsive themes between the "schizo-obsessive" and the "OCD" groups, with no significant difference of severity (P=0.26).

CONCLUSION

A careful assessment of obsessive symptomatology is essential in schizophrenia for better patient management and prognosis.

Insight in obsessive-compulsive disorder: conception, clinical characteristics, neuroimaging, and treatment

Obsessive-compulsive disorder (OCD) is a chronic disabling disease with often unsatisfactory therapeutic outcomes. The fifth edition of the Diagnostic and Statistical Manual of Mental Disorders (DSM-5) has broadened the diagnostic criteria for OCD, acknowledging that some OCD patients may lack insight into their symptoms. Previous studies have demonstrated that insight can impact therapeutic efficacy and prognosis, underscoring its importance in the treatment of mental disorders, including OCD. In recent years, there has been a growing interest in understanding the influence of insight on mental disorders, leading to advancements in related research. However, to the best of our knowledge, there is dearth of comprehensive reviews on the topic of insight in OCD. In this review article, we aim to fill this gap by providing a concise overview of the concept of insight and its multifaceted role in clinical characteristics, neuroimaging mechanisms, and treatment for OCD.

Treating a Case of First-Episode Psychosis to Uncover Undiagnosed Obsessive Compulsive Disorder: A Case Report

Obsessive-compulsive disorder (OCD) is a chronic psychiatric condition characterized by the presence of obsessions, compulsions, or both. Historically OCD was associated with good insight. However, there are more categories to the degrees of insight in OCD patients, namely good, fair, poor, absent, or delusional beliefs. It is also important to note that insight can fluctuate circumstantially. We describe a rare case of first-episode psychosis of undetermined cause presenting with suicidal ideation. After continued treatment, it was discovered to be previously undiagnosed OCD with poor insight.

Comparison of Obsessive-Compulsive Disorder and Schizophrenia With Comorbid Obsessive-Compulsive Disorder in Terms of Insight, Metacognitive Beliefs, and Clinical Features

The aim was to compare insight levels into obsessive-compulsive symptoms (OCS), and metacognitions of patients with obsessive-compulsive disorder (OCD) and with schizophrenia with comorbid OCD (SZ-OCD). Thirty OCD patients and 30 SZ-OCD patients were evaluated; no significant difference was found between the groups in the Brown Assessment of Beliefs Scale (BABS) and the Metacognition Questionnaire-30 (MCQ-30). When all patients were divided into two groups regardless of the presence or absence of schizophrenia as "good insight" and "poor or no insight," the MCQ-30 total score was found to be higher in the "poor or no insight" group and showed a significant but moderate positive correlation with the BABS score. This study supports that the level of insight into OCS in SZ-OCD is not significantly different from patients with OCD. Metacognitions differ not according to the distinction between OCD and SZ-OCD but according to the level of insight in whole OCD sample.

Validation of the Russianversion of the Maudsley Obsessive-Compulsive Inventory (MOCI) in Population and Clinical Samples

Relevance. Obsessive-compulsive disorder (OCD) is the third most common psychiatric disorder, potentially disabling with significant social and economic consequences. In Russia, little attention is paid to the study of OCD, which leads to the problem of differential diagnosis and effective treatment of OCD. One of the reasons for the insufficient attention to OCD is the lack of validated Russian questionnaires for diagnosing OCD. The purpose of this work is the initial validation of a translated version of the Maudsley Obsessive-Compulsive Inventory (MOCI). Characteristics of the surveyed groups. A population-based sample of 300 students (212 women and 88 men) and a clinical sample of 13 patients with anxiety and depressive disorders (8 women and 5 men) and 13 patients with OCD (11 women and 2 men) participated in the study. Severity of OCD symptoms were assessed with the translated version of Maudsley questionnaire. Results. According to our data, the MOCI questionnaire allows to differentiate reliably (p = 0,027) patients with OCD from patients with anxiety-depressive disorders and can be suitable as a primary diagnostic test for identifying OCD patients (p < 0,05) and the risk group. The reliability and convergent validity of the questionnaire were shown.

Empirical Evidence of the Metacognitive Model of Rumination and Depression in Clinical and Nonclinical Samples: A Systematic Review and Meta-Analysis

Rumination is considered a cognitive vulnerability factor in the development and maintenance of depression. The metacognitive model of rumination and depression suggests that the development of rumination and its association with depression partly depends on metacognitive beliefs. Two metacognitive beliefs about rumination have been identified: positive beliefs about its utility and negative beliefs about the uncontrollability and its negative social consequences. We conducted a systematic review and meta-analysis aimed: (1) to analyze the associations between metacognitive beliefs and rumination and depression; (2) to test the metacognitive model, using a Two-Stage Structural Equation Modeling approach (TSSEM). Literature search retrieved 41 studies. These 41 studies (N = 10,607) were included in the narrative synthesis and meta-analysis, and 16 studies (N = 4477) were comprised for the TSSEM. Results indicated metacognitive beliefs are associated with rumination and depression. Measures on metacognitive beliefs about rumination indicated that positive beliefs showed moderate associations with rumination (r = 0.50), and low with depression (r = 0.27); whereas negative beliefs showed moderate associations with both rumination (r = 0.46) and depression (r = 0.49). These results were consistent across studies using different instruments to measure metacognitive beliefs, and in both clinical and nonclinical samples. Moreover, results of the TSSEM analyses showed that the metacognitive model had a good fit. In sum, our results are in line with the metacognitive model of rumination and depression, highlighting that metacognitive beliefs are relevant factors to understand why people ruminate and get depressed. Future directions and clinical implications are discussed.

Thought Suppression in Primary Psychotic Disorders and Substance/Medication Induced Psychotic Disorder

Introduction: First episode-psychosis (FEP) represents a stressful/traumatic event for patients. To our knowledge, no study to date has investigated thought suppression involved in FEP in a Romanian population. Our objective was to investigate thought suppression occurring during FEP within primary psychotic disorders (PPD) and substance/medication induced psychotic disorders (SMIPD). Further, we examined the relationship between thought suppression and negative automatic thoughts within PPD and SMIPD. Methods: The study included 30 participants (17 females) with PPD and 25 participants (10 females) with SMIPD. Psychological scales were administered to assess psychotic symptoms and negative automatic thoughts, along a psychiatric clinical interview and a biochemical drug test. Results: Participants in the PPD group reported higher thought suppression compared to SMIPD group. For the PPD group, results showed a positive correlation between thought suppression and automatic thoughts. For the SMIPD group, results also showed a positive correlation between thought suppression and automatic thoughts. Conclusions: Patients with PPD rely more on thought suppression, as opposed to SMIPD patients. Thought suppression may be viewed as an unhealthy reaction to FEP, which is associated with the experience of negative automatic thoughts and might be especially problematic in patients with PPD. Cognitive behavioral therapy is recommended to decrease thought suppression and improve patients’ functioning.

Resilience Moderates Negative Outcome from Stress during the COVID-19 Pandemic: A Moderated-Mediation Approach

Resilience refers to an individual’s healthy coping abilities when encountering adverse life events. The COVID-19 pandemic represents a situation with a high amount of stress exposure, which in turn may be associated with negative emotional outcome like depressive symptoms. The current study investigated if resilience moderated the effect of stress on symptoms of depression and if anxiety symptoms mediated this association. An adult sample of community controls completed the Perceived stress scale 14 (PSS-14), the Resilience scale for adults (RSA), the Patient health questionnaire 9 (PHQ-9) and the Generalized anxiety disorder 7 (GAD-7). Independent samples t-test, correlation analyses and moderated mediation analyses were conducted. The results showed that resilience moderated the relations between stress and anxiety symptoms (β = −0.131, p < 0.001) as well as between stress and depressive symptoms (β = −0.068, p < 0.05). In support of a moderated mediation model, resilience moderated the indirect effect of stress on depressive symptom, as confirmed by the index of moderated mediation (IMM = −0.036, p < 0.001; [95% BCa: −0.055, −0.020]). The high resilience subgroup was less affected than the low resilience subgroup by the effect of stress exposure symptoms of depression, mediated by anxiety. The study shows that stress exposure is associated with symptoms of depression, and anxiety mediates this association. Level of resilience differentiates the direct and indirect effect of stress on depression. Knowledge about the effect of stress in response to a pandemic is important for developing treatment and prevention strategies for stress, depression and health-related anxiety.

The Relationships Between Obsessive-Compulsive Disorder and Psychosis: An Unresolved Issue

OBJECTIVE

The aim of the present paper was to review and comment on available literature on the complex relationships between obsessive-compulsive disorder OCD and psychotic disorders, with a focus on diagnostic issues, as well as clinical and prognostic implications.

METHOD

The databases of PubMed, Scopus, Embase, PsycINFO and Google Scholar were accessed in order to research and collect articles published in English language only, according to the PRISMA guidelines. Free text terms and MeSH headings were combined as it follows: " Obsessive-compulsive disorder" OR "Obsessive-Compulsive Symptoms" AND "Schizophrenic Disorders" OR "Schizophrenic Symptoms" AND "Antipsychotic Treatment" OR "Second-Generation Antipsychotics "SGAs".

RESULTS

The relationships between obsessive-compulsive disorder (OCD) and schizophrenia spectrum disorders, intended as diagnostic categories, as well as the overlap between obsessive-compulsive and psychotic symptoms, represent an interesting example of how "neurosis" and "psychosis" actually stand along a longitudinal and transversal continuum, much more frequently than it was supposed in the past. It also poses a challenge for clinicians, since treating some symptoms of one disorder may trigger or worsen the other one.

CONCLUSIONS

The question of the symptom overlapping between OCD and psychoses remains unresolved, if considered within the stringent categorization of the available diagnostic systems, but even all the attempts to explain the heterogeneity of the clinical pictures, according to other theoretical constructs, result inconclusive. The controversial role of antipsychotics, especially of SGAs in the treatment of these complex patients is another problem to be clarified in future and more focused studies.

Obsessive-Compulsive Symptoms in Obsessive-Compulsive Disorder and in Generalized Anxiety Disorder: Occurrence and Correlations

OBJECTIVE

Because of the heterogeneity of obsessive-compulsive disorders (OCDs) and their co-occurrence with anxiety disorders, we investigated the prevalence, severity, and correlations between obsessive and compulsive symptoms reported by patients diagnosed with OCD or generalized anxiety disorder (GAD).

METHODS

A retrospective study was conducted in 2 groups of patients: 76 patients diagnosed with OCD [F42 according to the 10th revision of the International Statistical Classification of Diseases and Related Health Problems (ICD-10)], and 186 patients diagnosed with GAD (F41.1 according to ICD-10), who had presented for therapy at the day ward. The Symptom Questionnaire "O," based on the Symptom Checklist 90-Revised (SCL-90-R) questionnaire, was used to assess obsessive, compulsive, and anxiety symptoms. The analysis took into account the impact of sex and the presence or absence of cognitive dysfunction (as assessed using the Bender Benton Visual Retention and Bender-Gestalt tests) on the associations being investigated.

RESULTS

We observed that obsessive and compulsive symptoms were more prevalent and more strongly expressed in the group with OCD than in the group with GAD. However, almost all patients with GAD (94%) confirmed the presence of some obsessive-compulsive symptoms. The study revealed differences in correlations with obsessions and compulsions between the OCD and GAD groups. In the group with OCD, no significant correlation between the severity of obsessions and compulsions was identified, whereas in the group with GAD, a significant positive correlation was found between the severity of those symptoms. In both the GAD and OCD groups, a greater intensity of obsessive-compulsive symptoms was accompanied by an increase in the severity of anxiety symptoms (with this effect noted to a greater extent with obsessions than compulsions).

CONCLUSIONS

The study revealed that patients with GAD often have coexisting obsessive-compulsive symptoms, which may not be identified during routine psychiatric examination. Obsessive-compulsive symptoms observed in patients with GAD may show a different structure than obsessive-compulsive symptoms in patients with OCD. The results of this study suggest that compulsions are more specific for the diagnosis of OCD than obsessions. Compulsions, such as counting related to the need for order and symmetry, may be associated with some cognitive dysfunctions and male sex, a finding that requires further research.

Stressful experiences affect the course of co-occurring obsessive-compulsive and psychotic symptoms: A focus on within-subject processes

OBJECTIVE

Obsessive-compulsive symptoms (OCS) frequently occur in patients with psychotic disorders and are associated with higher burden and poorer prognosis. This study prospectively investigated the effect of stressful experiences on the severity of OCS and co-occurring psychotic and affective symptoms, with a focus on within-subject processes.

METHOD

Monthly assessments over 6 months in patients with a psychotic disorder (n = 56) and unaffected siblings (n = 49) resulted in 309 and 277 observations, respectively. Linear mixed-effects models investigated the disaggregated effects of within-subject changes and between-subject differences in stressful events on OCS, positive, negative and depressive symptoms. Subsequently, moderating effects of coping strategies and dysfunctional metacognitive beliefs were assessed. Mediation analyses investigated direct and indirect effects of stressful events on OCS four weeks later.

RESULTS

Stressful experiences were associated with severity in almost all symptom domains on the between- and within-subject levels. Dysfunctional coping and metacognitive beliefs moderated these associations. Patients and siblings with a tendency for passive coping showed higher within-subject increase in depressive symptoms, whereas passive coping and dysfunctional beliefs moderated the association between stressful experiences and severity of positive symptoms and OCS on the between-subject level. Effects of stressful experiences on OCS four weeks later were partially mediated by depressive and positive symptoms in patients and siblings.

CONCLUSIONS

Findings suggest that severity and variability of co-occurring psychopathology can partly be explained by recent stressful events and the way individuals cope with these experiences. The implementation of coping-oriented interventions could possibly help to prevent development and/or aggravation of co-occurring symptom severity.

Differences in metacognitive beliefs among patients with bipolar disorder with or without previous suicide attempts

Purpose: The aim of this study is to compare differences in metacognitive beliefs between patients with bipolar disorder type I (BPDI) with previous suicide attempts (BPDI+), those without suicide attempts (BPDI-), and a control group. It also discusses the relationship between metacognitive beliefs and suicidal behavioral parameters. Materials and methods: The study included 72 BPDI+ and 73 BPDI- euthymic patients and 86 healthy age- and gender-matched individuals. All participants completed a sociodemographic data form, the Beck Depression Inventory, Metacognition Questionnaire-30 (MCQ-30), Suicide Behaviors Questionnaire, and Structured Clinical Interview for DSM-IV Axis I. In addition, the Young Mania Rating Scale was used for the patient groups. Results: Both the BPDI+ and BPDI- patients had higher MCQ-30 scores than the control group (p < .01). Scores for the 'need to control thoughts' subscale were higher in the BPDI+ group than in the BPDI- group and were also higher in both the BPDI+ and BPDI- groups compared to the control group (p < .01). In addition, the 'cognitive self-consciousness' sub-scores of the BPDI- group were higher than those of the BPDI+ and the control group. Conclusion: The scores of 'cognitive self-consciousness' and 'need to control thoughts' vary across BPDI+ and BPDI- patients. It seems important to consider metacognitive beliefs regarding 'need to control thoughts' and 'cognitive self-consciousness' in terms of suicide prevention.

The "Obsessive Paradox": The Complex Relationship Between Cognitive and Obsessive Dimensions in Schizophrenia

The objective of the study was to investigate the relationship between cognitive functions and obsessive-compulsive dimension in schizophrenia and a possible moderating effect of schizophrenia symptom dimensions on this association. Sixty-one schizophrenia patients were administered the Positive and Negative Syndrome Scale, the Yale-Brown Obsessive-Compulsive Scale (YBOCS), and the Matrics Consensus Cognitive Battery. A U-shaped curve described a gradual transition from an inverse association to a positive relationship between YBOCS and processing speed scores, along a severity gradient of obsessive dimension. This effect ("the obsessive paradox") was not moderated by other symptom dimensions. The present study suggests that severe obsessive-compulsive symptoms may participate to counterbalance processing speed impairment independently from other symptom dimensions. These results highlight the complexity of the relationship between cognitive and obsessive dimensions in schizophrenia.

Obsessive-Compulsive Symptoms in Schizophrenia: an Up-To-Date Review of Literature

PURPOSE OF REVIEW

This review will aim to summarize the current body of epidemiological, clinical and therapeutic knowledge concerning specific co-occurrence of obsessive-compulsive symptoms (OCSs) and schizophrenia spectrum disorder.

RECENT FINDINGS

Almost 30% of the patients with schizophrenia display OCS, and three main contexts of emergence are identified: prodromal symptoms of schizophrenia, co-occurrence of OCS and schizophrenia and antipsychotics-induced OCS. Recent clinical studies show that patients with SZ and OCS have more severe psychotic and depressive symptoms, higher suicidality and lower social functioning. A recent cognitive investigation found that OCS and delusions share specific metacognitive profiles, particularly through a heightened need to control thoughts. Finally, a recent cross-sectional study of clozapine-induced OCS found a dose-response relationship between clozapine and OCS. OCS appeared reliably as linked to poorer outcomes among patients with schizophrenia. However, the specific clinical value of OCS among other prodromal symptoms of schizophrenia remains unknown.

Level of Insight in Patients With Obsessive-Compulsive Disorder: An Exploratory Comparative Study Between Patients With "Good Insight" and "Poor Insight"

Introduction: Insight may be defined as the ability to perceive and evaluate external reality and to separate it from its subjective aspects. It also refers to the ability to self-assess difficulties and personal qualities. Insight may be a predictor of success in the treatment of obsessive-compulsive disorder (OCD), so that individuals with poor insight tend to become refractory to treatment. The objective of this study is to investigate factors associated with poor insight in individuals with OCD. Methods: This cross-sectional exploratory study used the Brown Belief Assessment Scale as a parameter for the creation of the comparison groups: individuals who obtained null scores (zero) composed the group with preserved or good insight (n = 148), and those with scores above the 75% percentile composed the group with poor insight (n = 124); those with intermediate scores were excluded. Sociodemographic characteristics and clinical and psychopathological aspects, intrinsic and extrinsic to the typical symptoms of OCD, were compared in a univariate analysis. A logistic regression was used to determine which factors associated with critical judgment remained significant. Results: Individuals in the poor insight group differed from those with good insight in regard to: more prevalent use of neuroleptics (p = 0.05); higher untreated time interval (p < 0.001); higher total Yale-Brown obsessive-compulsive scale score and the obsessions and compulsions factors (all factors with p < 0.001); higher dimensional Yale-Brown obsessive-compulsive scale total and dimensional scores (p from 0.04 to 0.001); higher prevalence of contamination/cleaning (p = 0.006) and hoarding (p < 0.001) symptoms dimensions; more prevalent sensory phenomena (p = 0.023); higher levels of depression (p = 0.007); and more prevalent comorbidity with bipolar affective disorder (p = 0.05) and post-traumatic stress disorder (PTSD) (p = 0.04). After analyzing the logistic regression, we conclude that the most important factors associated with poor insight are: the presence of any sensory phenomena (OR: 2.24), use of neuroleptics (OR: 1.66), and hoarding symptoms (OR: 1.15). Conclusion: The variability of insight in patients with OCD seems to be an important psychopathological characteristic in the differentiation of possible subtypes of OCD, since the poor insight is associated with sensory phenomena and greater use of neuroleptics, which makes it possible to conjecture the role of dopaminergic neurocircuits in the neurobiology of this disorder. In addition, there is also an association with the symptoms of hoarding content, admittedly one of the symptomatic contents with less response to conventional OCD treatments. Studies based on neurobiological aspects such as neuroimaging and neuropsychology may help to elucidate more consistently the role of insight in patients with OCD and the repercussions concerning available treatments.