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1.
Artigo em Inglês | MEDLINE | ID: mdl-38353751

RESUMO

PURPOSE: Previous studies have investigated the role of gender in clinical symptoms, social functioning, and neuropsychological performance in people with first-episode psychosis (FEP). However, the evidence of gender differences for metacognition in subjects with FEP is still limited and controversial. The aim of the present study was to explore gender differences in cognitive insight and cognitive biases in this population. METHODS: Cross-sectional study was carried out in a sample of 104 patients with FEP (35 females and 69 males) recruited from mental health services. Symptoms were assessed with the Positive and Negative Syndrome Scale, cognitive insight with the Beck Cognitive Insight Scale, and cognitive bias by the Cognitive Biases Questionnaire for Psychosis. The assessment also included clinical and sociodemographic characteristics. RESULTS: After controlling for potential confounders (level of education, marital status, and duration of psychotic illness) analysis of covariance revealed that males presented greater self-reflectiveness (p = 0.004) when compared to females. However, no significant differences were found in self-certainty and composite index of the cognitive insight scale, as in the cognitive biases assessed. CONCLUSIONS: Gender was an independent influence factor for self-reflectiveness, being better for males. Self-reflectiveness, if shown to be relatively lacking in women, could contribute to the design of more gender-sensitive and effective psychotherapeutic treatments, as being able to self-reflect predicts to better treatment response in psychosis.

2.
Artigo em Inglês | MEDLINE | ID: mdl-38325744

RESUMO

Different lines of evidence indicate that the structure and physiology of the basal ganglia and the thalamus is disturbed in schizophrenia. However, it is unknown whether the volume and shape of these subcortical structures are affected in schizophrenia with auditory hallucinations (AH), a core positive symptom of the disorder. We took structural MRI from 63 patients with schizophrenia, including 36 patients with AH and 27 patients who had never experienced AH (NAH), and 51 matched healthy controls. We extracted volumes for the left and right thalamus, globus pallidus, putamen, caudate and nucleus accumbens. Shape analysis was also carried out. When comparing to controls, the volume of the right globus pallidus, thalamus, and putamen, was only affected in AH patients. The volume of the left putamen was also increased in individuals with AH, whereas the left globus pallidus was affected in both groups of patients. The shapes of right and left putamen and thalamus were also affected in both groups. The shape of the left globus pallidus was only altered in patients lacking AH, both in comparison to controls and to cases with AH. Lastly, the general PANSS subscale was correlated with the volume of the right thalamus, and the right and left putamen, in patients with AH. We have found volume and shape alterations of many basal ganglia and thalamus in patients with and without AH, suggesting in some cases a possible relationship between this positive symptom and these morphometric alterations.


Assuntos
Esquizofrenia , Humanos , Esquizofrenia/complicações , Esquizofrenia/diagnóstico por imagem , Gânglios da Base/diagnóstico por imagem , Tálamo/diagnóstico por imagem , Putamen/diagnóstico por imagem , Alucinações/diagnóstico por imagem , Imageamento por Ressonância Magnética
3.
Artigo em Inglês | MEDLINE | ID: mdl-38219901

RESUMO

Social cognition (SC) and executive function (EF) have been described as important variables for social functioning and recovery of patients with psychosis. However, the relationship between SC and EF in first-episode psychosis (FEP) deserves further investigation, especially focusing on gender differences. AIMS: To investigate the relationship between EF and different domains of SC in FEP patients and to explore gender differences in the relationship between these domains. METHODS: A cross-sectional study of 191 patients with new-onset psychosis recruited from two multicenter clinical trials. A comprehensive cognitive battery was used to assess SC (Hinting Task, Face Test and IPSAQ) and EF (TMT, WSCT, Stroop Test and digit span - WAIS-III). Pearson correlations and linear regression models were performed. RESULTS: A correlation between Theory of Mind (ToM), Emotional Recognition (ER) and EF was found using the complete sample. Separating the sample by gender showed different association profiles between these variables in women and men. CONCLUSIONS: A relationship between different domains of SC and EF is found. Moreover, women and men presented distinct association profiles between EF and SC. These results should be considered in order to improve the treatment of FEP patients and designing personalized interventions by gender.

4.
Artigo em Inglês, Espanhol | MEDLINE | ID: mdl-37495479

RESUMO

INTRODUCTION: Auditory hallucinations (AH) are one of the most prevalent symptoms of schizophrenia. They might cause several brain alterations, especially changes in the volumes of hippocampus and amygdala, regions related to the relay and processing of auditory cues and emotional memories. MATERIAL AND METHODS: We have recruited 41 patients with schizophrenia and persistent AH, 35 patients without AH, and 55 healthy controls. Using their MRIs, we have performed semiautomatic segmentations of the hippocampus and amygdala using Freesurfer. We have also performed bilateral correlations between the total PSYRATS score and the volumes of affected subregions and nuclei. RESULTS: In the hippocampus, we found bilateral increases in the volume of its hippocampal fissure and decreases in the right fimbria in patients with and without AH. The volume of the right hippocampal tail and left head of the granule cell layer from the dentate gyrus were decreased in patients with AH. In the amygdala, we found its left total volume was shrunk, and there was a decrease of its left accessory basal nucleus in patients with AH. CONCLUSIONS: We have detected volume alterations of different limbic structures likely due to the presence of AH. The volumes of the right hippocampal tail and left head of the granule cell layer from the dentate gyrus, and total volume of the amygdala and its accessory basal nucleus, were only affected in patients with AH. Bilateral volume alterations in the hippocampal fissure and right fimbria seem inherent of schizophrenia and due to traits not contemplated in our research.

5.
JMIR Form Res ; 7: e46179, 2023 06 30.
Artigo em Inglês | MEDLINE | ID: mdl-37389933

RESUMO

BACKGROUND: In the European Union, around 5 million people are affected by psychotic disorders, and approximately 30%-50% of people with schizophrenia have treatment-resistant schizophrenia (TRS). Mobile health (mHealth) interventions may be effective in preventing relapses, increasing treatment adherence, and managing some of the symptoms of schizophrenia. People with schizophrenia seem willing and able to use smartphones to monitor their symptoms and engage in therapeutic interventions. mHealth studies have been performed with other clinical populations but not in populations with TRS. OBJECTIVE: The purpose of this study was to present the 3-month prospective results of the m-RESIST intervention. This study aims to assess the feasibility, acceptability, and usability of the m-RESIST intervention and the satisfaction among patients with TRS after using this intervention. METHODS: A prospective multicenter feasibility study without a control group was undertaken with patients with TRS. This study was performed at 3 sites: Sant Pau Hospital (Barcelona, Spain), Semmelweis University (Budapest, Hungary), and Sheba Medical Center and Gertner Institute of Epidemiology and Health Policy Research (Ramat-Gan, Israel). The m-RESIST intervention consisted of a smartwatch, a mobile app, a web-based platform, and a tailored therapeutic program. The m-RESIST intervention was delivered to patients with TRS and assisted by mental health care providers (psychiatrists and psychologists). Feasibility, usability, acceptability, and user satisfaction were measured. RESULTS: This study was performed with 39 patients with TRS. The dropout rate was 18% (7/39), the main reasons being as follows: loss to follow-up, clinical worsening, physical discomfort of the smartwatch, and social stigma. Patients' acceptance of m-RESIST ranged from moderate to high. The m-RESIST intervention could provide better control of the illness and appropriate care, together with offering user-friendly and easy-to-use technology. In terms of user experience, patients indicated that m-RESIST enabled easier and quicker communication with clinicians and made them feel more protected and safer. Patients' satisfaction was generally good: 78% (25/32) considered the quality of service as good or excellent, 84% (27/32) reported that they would use it again, and 94% (30/32) reported that they were mostly satisfied. CONCLUSIONS: The m-RESIST project has provided the basis for a new modular program based on novel technology: the m-RESIST intervention. This program was well-accepted by patients in terms of acceptability, usability, and satisfaction. Our results offer an encouraging starting point regarding mHealth technologies for patients with TRS. TRIAL REGISTRATION: ClinicalTrials.gov NCT03064776; https://clinicaltrials.gov/ct2/show/record/NCT03064776. INTERNATIONAL REGISTERED REPORT IDENTIFIER (IRRID): RR2-10.1136/bmjopen-2017-021346.

6.
Schizophr Res ; 252: 172-180, 2023 02.
Artigo em Inglês | MEDLINE | ID: mdl-36652834

RESUMO

Suicidal behavior (SB) is common in first-episode psychosis (FEP), and cognitive impairment has also been described in psychosis. Despite well-established risk factors for SB in psychosis, the role of cognition and insight remains unclear. This study aimed to explore the relationship between history of SB and cognition in recent-onset FEP, distinguishing between neurocognition, social cognition, and metacognition, and including cognitive insight (CI) as a metacognitive variable. The sample consisted of 190 participants with recent-onset FEP recruited from two multicentric studies. Two groups were formed based on presence/absence of a history of SB. Demographic, clinical, and cognitive data were compared by group, including significance level adjustments and size effect calculation. No differences were found regarding demographic, clinical, neurocognitive, social cognition, and metacognitive variables except for CI (18.18 ± 4.87; t = -3.16; p = 0.0020; d = -0.635), which showed a medium effect size. Small to medium effect size were found for attributional style (externalizing bias) (1.15 ± 3.94; t = 2.07; d = 0.482), theory of mind (ToM) (1.73 ± 0.22; t = 2.04; d = -0.403), jumping to conclusions bias (JTC) (23.3 %; X2 = 0.94; V = 0.178). In recent-onset psychosis, neurocognitive functioning was not related to the history of SB. As novelty, individuals with previous SB showed higher CI. Also, regarding social cognition and metacognition, individuals with prior SB tended to present extremely low externalizing bias, better ToM, and presence of JTC.


Assuntos
Metacognição , Transtornos Psicóticos , Humanos , Ideação Suicida , Testes Neuropsicológicos , Transtornos Psicóticos/psicologia , Cognição
7.
Rev Psiquiatr Salud Ment (Engl Ed) ; 15(4): 259-271, 2022.
Artigo em Inglês | MEDLINE | ID: mdl-36513402

RESUMO

INTRODUCTION: An updated summary of the most used instruments assessing auditory hallucinations in population with psychosis, allows us to underline the scarceness and need of Spanish versions of important instruments. The aim of the study is to examine the psychometric characteristics of two different and complementary instruments for assessing auditory hallucinations, the Spanish version of the Auditory Vocal Hallucination Scale (AVHRS) and the Spanish version of the Positive and Useful Voices Inquiry (PUVI). MATERIALS AND METHODS: A sample of 68 patients from four different centres, with a DSM-IV diagnosis of schizophrenia or schizoaffective disorder presenting with auditory hallucinations were included. Apart from the AVHRS and the PUVI, the Psychotic Symptom Rating Scales-Auditory Hallucinations subscale (PSYRATS-AH) and the Positive and Negative Syndrome Scale (PANSS) were also administered to all patients, plus an acceptability questionnaire. RESULTS: The Spanish version of the AVHRS showed a good internal consistency, a moderate to high inter-rater reliability, a medium to moderate test-retest reliability, and a good convergent and discriminant validity. The Spanish version of the PUVI showed a good internal consistency and a heterogeneous, but in general moderate, test-retest reliability. CONCLUSIONS: The Spanish versions of the AVHRS and the PUVI have good psychometric properties and are well accepted among patients.


Assuntos
Transtornos Psicóticos , Esquizofrenia , Humanos , Reprodutibilidade dos Testes , Escalas de Graduação Psiquiátrica , Alucinações/diagnóstico , Alucinações/etiologia , Alucinações/epidemiologia , Transtornos Psicóticos/complicações , Transtornos Psicóticos/diagnóstico , Transtornos Psicóticos/psicologia , Esquizofrenia/complicações , Esquizofrenia/diagnóstico
8.
Healthcare (Basel) ; 10(11)2022 Oct 28.
Artigo em Inglês | MEDLINE | ID: mdl-36360496

RESUMO

Metacognitive training (MCT) is an effective treatment for psychosis. Longitudinal trajectories of treatment response are unknown but could point to strategies to maximize treatment efficacy during the first episodes. This work aims to explore the possible benefit of using latent class mixed models (LCMMs) to understand how treatment response differs between metacognitive training and psychoeducation. We conducted LCMMs in 28 patients that received MCT and 34 patients that received psychoeducation. We found that MCT is effective in improving cognitive insight in all patients but that these effects wane at follow-up. In contrast, psychoeducation does not improve cognitive insight, and may increase self-certainty in a group of patients. These results suggest that LCMMs are valuable tools that can aid in treatment prescription and in predicting response to specific treatments.

9.
Psychiatry Res ; 318: 114941, 2022 12.
Artigo em Inglês | MEDLINE | ID: mdl-36375331

RESUMO

The aims are to assess improvements in memory, attention and executive function in first-episode psychosis after Metacognitive Training (MCT). A multicenter randomized clinical trial was performed with two arms: MCT and psychoeducational intervention. A total of 126 patients with a diagnosis of psychosis, less than 5 years from the onset of the disease, were included. Patients were assessed two or three moments (baseline, post-treatment, 6 months follow-up) depending on the test, with a battery of neurocognitive tests (TAVEC, TMTA-B, CPT, WCST, Stroop and premorbid IQ). General linear models for repeated measures were performed.  A better improvement in the MCT was found by an interaction between group and time in CPT Hit index, TMTB, Stroop, recent memory and number of perseverations of the TAVEC. Considering three assessments, a better improvement was found in non-perseverative, perseverative and total errors of the WCST and TMTB. The MCT is an effective psychological intervention to improve several cognitive functions.


Assuntos
Transtornos Cognitivos , Metacognição , Transtornos Psicóticos , Humanos , Transtornos Psicóticos/complicações , Transtornos Psicóticos/terapia , Transtornos Psicóticos/psicologia , Função Executiva , Cognição , Transtornos Cognitivos/diagnóstico
10.
J Pers Med ; 12(10)2022 Oct 18.
Artigo em Inglês | MEDLINE | ID: mdl-36294871

RESUMO

This study investigates, for the first time, clinical, cognitive, social cognitive and metacognitive differences in people diagnosed with first-episode of psychosis (FEP) with and without a family history of mental disorder split by maternal and paternal antecedents. A total of 186 individuals with FEP between 18 and 45 years old were recruited in community mental-health services. A transversal, descriptive, observational design was chosen for this study. Results suggest that there is a higher prevalence of maternal history of psychosis rather than paternal, and furthermore, these individuals exhibit a specific clinical, social and metacognitive profile. Individuals with a maternal history of mental disorder scored higher in delusional experiences, inhibition of the response to a stimulus and higher emotional irresponsibility while presenting a poorer overall functioning as compared to individuals without maternal history. Individuals with paternal history of mental disorder score higher in externalizing attributional bias, irrational beliefs of need for external validation and high expectations. This study elucidates different profiles of persons with FEP and the influence of the maternal and paternal family history on clinical, cognitive, social and metacognitive variables, which should be taken into account when offering individualized early treatment.

11.
Rev. psiquiatr. salud ment. (Barc., Ed. impr.) ; 15(4): 259-271, oct.-dic. 2022. tab
Artigo em Inglês | IBECS | ID: ibc-213120

RESUMO

Introduction: An updated summary of the most used instruments assessing auditory hallucinations in population with psychosis, allows us to underline the scarceness and need of Spanish versions of important instruments. The aim of the study is to examine the psychometric characteristics of two different and complementary instruments for assessing auditory hallucinations, the Spanish version of the Auditory Vocal Hallucination Scale (AVHRS) and the Spanish version of the Positive and Useful Voices Inquiry (PUVI). Materials and methods: A sample of 68 patients from four different centres, with a DSM-IV diagnosis of schizophrenia or schizoaffective disorder presenting with auditory hallucinations were included. Apart from the AVHRS and the PUVI, the Psychotic Symptom Rating Scales-Auditory Hallucinations subscale (PSYRATS-AH) and the Positive and Negative Syndrome Scale (PANSS) were also administered to all patients, plus an acceptability questionnaire. Results: The Spanish version of the AVHRS showed a good internal consistency, a moderate to high inter-rater reliability, a medium to moderate test–retest reliability, and a good convergent and discriminant validity. The Spanish version of the PUVI showed a good internal consistency and a heterogeneous, but in general moderate, test–retest reliability. Conclusions: The Spanish versions of the AVHRS and the PUVI have good psychometric properties and are well accepted among patients. (AU)


Introducción: Un resumen actualizado de los instrumentos más utilizados en la evaluación de las alucinaciones auditivas en poblaciones con psicosis, nos permite subrayar la escasez y necesidad de versiones españolas de importantes instrumentos. El objetivo del estudio es examinar las características psicométricas de dos instrumentos para la evaluación de las alucinaciones auditivas diferentes y complementarios, la versión española de la Escala de Valoración de Alucinaciones Auditivas Vocales (AVHRS) y la versión española de la Encuesta sobre Voces Positivas y Útiles (PUVI). Material y métodos: Se incluyó una muestra de 68 pacientes de cuatro centros diferentes, con diagnóstico de esquizofrenia o trastorno esquizoafectivo según el DSM-IV, que presentaban alucinaciones auditivas. Además de la AVHRS y de la PUVI, se administraron también a todos los pacientes la subescala de Alucinaciones Auditivas de la Escalas de Evaluación de Síntomas Psicóticos (PSYRATS-AH) y la Escala de Evaluación de Síndrome Positivo y Negativo (PANSS), además de un cuestionario de aceptabilidad. Resultados: La versión española de la AVHRS mostró una buena consistencia interna, una fiabilidad inter-jueces de moderada a alta, una fiabilidad re-test de media a moderada, y una buena validez convergente y discriminante. La versión española de la PUVI mostró una buena consistencia interna y una fiabilidad test-retest heterogénea pero, en general, moderada. Conclusiones: Las versiones españolas de la AVHRS y la PUVI tienes buenas propiedades psicométricas y son bien aceptadas entre los pacientes. (AU)


Assuntos
Humanos , Masculino , Feminino , Adulto , Pessoa de Meia-Idade , Alucinações , Transtornos Psicóticos , Inquéritos e Questionários , Espanha , Voz
12.
Schizophr Res ; 248: 158-167, 2022 10.
Artigo em Inglês | MEDLINE | ID: mdl-36063607

RESUMO

OBJECTIVE: Poor insight is a major problem in psychosis, being detrimental for treatment compliance and recovery. Previous studies have identified various correlates of insight impairment, mostly in chronic samples. The current study aimed to determine clinical, neurocognitive, metacognitive, and socio-cognitive predictors of insight in first-episode psychosis. METHODS: Regression analyses of different insight dimensions were conducted in 190 patients with first-episode psychosis. Measures of clinical symptoms, neurocognition, metacognition, social cognition, and 'jumping to conclusions' bias were entered as predictors. RESULTS: Delusions, disorganisation, and certain negative symptoms were associated with unawareness in various domains, while depression was associated with greater awareness of illness. Deficit in theory of mind and self-reflective processes, as well as a 'jumping to conclusions' bias, contributed to poor insight. Several neuropsychological scores also contributed to this but their contribution was no longer observed in regression analyses that included all the previously identified clinical and cognitive predictors. A measure of perseverative errors was still associated with unawareness and misattribution of symptoms. CONCLUSION: In models that account for 28 % to 50 % of the variance, poor insight in first-episode psychosis is mainly associated with delusions and certain negative symptoms. At the cognitive level it does not appear to result from neuropsychological impairment but rather from altered reasoning bias and dysfunction in metacognitive processes. Therapeutic strategies specifically directed at these mechanisms could help improve the evolution of insight in first episode psychosis.


Assuntos
Metacognição , Transtornos Psicóticos , Humanos , Testes Neuropsicológicos , Escalas de Graduação Psiquiátrica , Transtornos Psicóticos/psicologia , Psicologia do Esquizofrênico
13.
Schizophrenia (Heidelb) ; 8(1): 39, 2022 Apr 20.
Artigo em Inglês | MEDLINE | ID: mdl-35853903

RESUMO

Jumping to conclusions (JTC) and impaired social cognition (SC) affect the decoding, processing, and use of social information by people with psychosis. However, the relationship between them had not been deeply explored within psychosis in general, and in first-episode psychosis (FEP) in particular. Our aim was to study the relationship between JTC and SC in a sample with FEP. We conducted a cross-sectional study with 121 patients with FEP, with measures to assess JTC (easy, hard, and salient probability tasks) and SC (emotional recognition, attributional style, and theory of mind). We performed Student's t-test and logistic regression in order to analyse these associations.We found a statistically significant and consistent relationship of small-moderate effect size between JTC (all three tasks) and impaired emotional recognition. Also, our results suggest a relationship between JTC and internal attributions for negative events. Relationships between JTC and theory of mind were not found. These results highlight the importance of psychological treatments oriented to work on a hasty reasoning style and on improving processing of social information linked to emotional recognition and single-cause attributions.

14.
Neuroimage Clin ; 35: 103070, 2022.
Artigo em Inglês | MEDLINE | ID: mdl-35667173

RESUMO

The thalamus is a subcortical structure formed by different nuclei that relay information to the neocortex. Several reports have already described alterations of this structure in patients of schizophrenia that experience auditory hallucinations. However, to date no study has addressed whether the volumes of specific thalamic nuclei are altered in chronic patients experiencing persistent auditory hallucinations. We have processed structural MRI images using Freesurfer, and have segmented them into 25 nuclei using the probabilistic atlas developed by Iglesias and collaborators (Iglesias et al., 2018). To homogenize the sample, we have matched patients of schizophrenia, with and without persistent auditory hallucinations, with control subjects, considering sex, age and their estimated intracranial volume. This rendered a group number of 41 patients experiencing persistent auditory hallucinations, 35 patients without auditory hallucinations, and 55 healthy controls. In addition, we have also correlated the volume of the altered thalamic nuclei with the total score of the PSYRATS, a clinical scale used to evaluate the positive symptoms of this disorder. We have found alterations in the volume of 8 thalamic nuclei in both cohorts of patients with schizophrenia: The medial and lateral geniculate nuclei, the anterior, inferior, and lateral pulvinar nuclei, the lateral complex and the lateral and medial mediodorsal nuclei. We have also found some significant correlations between the volume of these nuclei in patients experiencing auditory hallucinations, and the total score of the PSYRATS scale. Altogether our results indicate that volumetric alterations of thalamic nuclei involved in audition may be related to persistent auditory hallucinations in chronic schizophrenia patients, whereas alterations in nuclei related to association cortices are evident in all patients. Future studies should explore whether the structural alterations are cause or consequence of these positive symptoms and whether they are already present in first episodes of psychosis.


Assuntos
Esquizofrenia , Alucinações/diagnóstico por imagem , Alucinações/etiologia , Humanos , Imageamento por Ressonância Magnética , Núcleo Mediodorsal do Tálamo/diagnóstico por imagem , Esquizofrenia/diagnóstico por imagem , Núcleos Talâmicos/diagnóstico por imagem , Tálamo/diagnóstico por imagem
15.
J Psychiatr Res ; 141: 104-110, 2021 09.
Artigo em Inglês | MEDLINE | ID: mdl-34186271

RESUMO

Metacognitive training (MCT) is a promising treatment for improving cognitive insight associated with delusional beliefs in individuals with psychotic disorders. The aim of this study was to examine potential moderators of cognitive insight in individuals with first-episode psychosis (FEP) who received either MCT or psychoeducation. The present study was based on data from a randomized control trial comparing MCT to psychoeducation. Baseline sociodemographic and clinical characteristics in a sample of 122 patients with FEP were examined as potential moderators of the self-reflectiveness and self-certainty dimensions of cognitive insight using the SPSS PROCESS macro. The only variable that moderated self-reflectiveness at the post-treatment evaluation was age of onset (b = -0.27, p = .025). The effect of MCT in reducing self-certainty was stronger in women (b = -3.26, p = .018) and in individuals with average or above average baseline self-esteem (b = -0.30, p = .007). Overall, our findings support the generalization of MCT to a variety of sociodemographic and clinical profiles. While some patient profiles may require targeted interventions such as MCT to improve cognitive insight, others may do equally as well with less demanding interventions such as a psychoeducational group.


Assuntos
Terapia Cognitivo-Comportamental , Metacognição , Transtornos Psicóticos , Feminino , Humanos , Transtornos Psicóticos/terapia , Resultado do Tratamento
16.
J Psychiatr Res ; 137: 514-520, 2021 05.
Artigo em Inglês | MEDLINE | ID: mdl-33812324

RESUMO

Suicidal behavior (SB) involves an impairment in decision-making (DM). Jumping to conclusions bias (JTC), described as the tendency to make hasty decisions based on insufficient information, could be considered as analogous of impaired DM. However, the link between JTC and SB in psychosis and other diagnoses (e.g., depression) has never been studied. This study aims to explore the presence of JTC and SB in a sample comprising 121 patients with psychosis and 101 with depression. Sociodemographic and clinical data were collected, including history of SB and symptom-severity scores. JTC was assessed by the beads task, and patients who reached decisions with the second bead or before were considered to exhibit JTC. Age, gender, diagnosis, educational level, symptom severity, substance use, and SB were compared according to JTC presence. Variables found to be significantly different in this comparison were included in a multivariate analysis. JTC was more prevalent in patients with depression than with psychosis: 55.6% in an 85:15 ratio and 64.6% in a 60:40 ratio. When multivariate logistic regression was applied to study the influence of diagnosis (psychosis versus depression), age, and SB, only SB remained statistically significant (OR 2.05; 95% CI 0.99-4.22; p = 0.05). The population studied was assembled by grouping different samples from previous research, and we have not included control variables such as other clinical variables, neurocognitive measurements, or personality traits. JTC may be more closely linked to SB, as a transdiagnostic variable, rather than to a specific diagnosis.


Assuntos
Transtornos Psicóticos , Ideação Suicida , Viés , Tomada de Decisões , Delusões , Depressão , Humanos , Transtornos Psicóticos/complicações , Transtornos Psicóticos/epidemiologia
17.
J Psychiatr Res ; 138: 130-138, 2021 06.
Artigo em Inglês | MEDLINE | ID: mdl-33852993

RESUMO

Treatment-resistant auditory verbal hallucinations (TRAVH) are a relatively prevalent and devastating symptom in patients with schizophrenia (SCZ). Even though their pathological mechanisms are poorly understood, they seem to differ from those underlying non-hallucinating SCZ. In this study, we characterise structural brain changes in SCZ patients with TRAVH. With respect to non-hallucinating patients and healthy controls, we studied macrostructural grey matter changes through cortical thickness and subcortical volumetric data. Additionally, we analysed microstructural differences across groups using intracortical and subcortical mean diffusivity data. This latter imaging metric has been claimed to detect incipient neuronal damage, as water can diffuse more freely in regions with reduced neural density. We found brain macrostructrural and microstructural alterations in SCZ patients with TRAVH (n = 29), both with respect to non-hallucinating (n = 20) patients and healthy controls (n = 27). Importantly, a microstructural -rather than a macrostructural- compromise was found in key brain regions such as the ventral ACC, the NAcc and the hippocampus. These microstructural alterations correlated, in turn, with clinical severity. TRAVH patients also showed accentuated age-related cortical deterioration and an abnormal longitudinal loss of cortical integrity over a one-year period. These findings highlight the potential role of microstructural imaging biomarkers in SCZ. Notably, they could be used both to detect and to monitor subtle grey matter alterations in critical brain regions such as deep brain stimulation targets. Moreover, our results support the existence of a more aggressive and active pathological mechanism in patients with TRAVH, providing new insight into the aetiology of this debilitating illness.


Assuntos
Esquizofrenia , Encéfalo/diagnóstico por imagem , Substância Cinzenta/diagnóstico por imagem , Alucinações/diagnóstico por imagem , Hipocampo , Humanos , Imageamento por Ressonância Magnética , Esquizofrenia/diagnóstico por imagem
19.
J Pers Med ; 10(4)2020 Nov 27.
Artigo em Inglês | MEDLINE | ID: mdl-33260823

RESUMO

BACKGROUND: Metacognitive training (MCT) has demonstrated its efficacy in psychosis. However, the effect of each MCT session has not been studied. The aim of the study was to assess changes in cognitive insight after MCT: (a) between baseline, post-treatment, and follow-up; (b) after each session of the MCT controlled for intellectual quotient (IQ) and educational level. METHOD: A total of 65 patients with first-episode psychosis were included in the MCT group from nine centers of Spain. Patients were assessed at baseline, post-treatment, and 6 months follow-up, as well as after each session of MCT with the Beck Cognitive Insight Scale (BCIS). The BCIS contains two subscales: self-reflectiveness and self-certainty, and the Composite Index. Statistical analysis was performed using linear mixed models with repeated measures at different time points. RESULTS: Self-certainty decreased significantly (p = 0.03) over time and the effect of IQ was negative and significant (p = 0.02). From session 4 to session 8, all sessions improved cognitive insight by significantly reducing self-certainty and the Composite Index. CONCLUSIONS: MCT intervention appears to have beneficial effects on cognitive insight by reducing self-certainty, especially after four sessions. Moreover, a minimum IQ is required to ensure benefits from MCT group intervention.

20.
Artigo em Inglês | MEDLINE | ID: mdl-33081208

RESUMO

INTRODUCTION: Community services are gaining ground when it comes to attention to patients with psychiatric diseases. Regarding patients with treatment-resistant schizophrenia (TRS), the use of information and communication technology (ICT) could help to shift the focus from hospital-centered attention to community services. This study compares the differences in mental health services provided for patients with TRS in Budapest (Hungary), Tel-Aviv (Israel) and Catalonia (Spain) by means of a method for the quick appraisal of gaps among the three places, for a potential implementation of the same ICT tool in these regions. METHODS: An adapted version of the Description and Standardised Evaluation of Services and Directories in Europe for Long Term Care (DESDE-LTC) instrument was made by researchers in Semmelweis University (Budapest, Hungary), Gertner Institute (Tel-Aviv, Israel) and Hospital de la Santa Creu I Sant Pau and Parc Sanitari Sant Joan de Déu (Catalonia, Spain). RESULTS: Two types of outpatient care services were available in the three regions. Only one type of day-care facility was common in the whole study area. Two residential care services, one for acute and the other for non-acute patients were available in every region. Finally, two self-care and volunteer-care facilities were available in the three places. CONCLUSION: Although the availability of services was different in each region, most of the services provided were sufficiently similar to allow the implementation of the same ICT solution in the three places.


Assuntos
Serviços de Saúde Mental , Esquizofrenia , Resistência a Medicamentos , Europa (Continente) , Humanos , Hungria , Israel , Esquizofrenia/terapia , Espanha
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