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1.
J Nerv Ment Dis ; 205(7): 558-567, 2017 07.
Article in English | MEDLINE | ID: mdl-28604418

ABSTRACT

A major issue in the study of dissociation concerns the cross-cultural validity of definitions and measurements used to identify and classify dissociative disorders. There is also extensive debate on the etiological factors underlying dissociative experiences. Cross-cultural research is essential to elucidate these issues, particularly regarding evidence obtained from countries in which the study of dissociation is still in its infancy. The aim of this article was to discuss Brazilian research on the topic of dissociation, highlighting its contributions for the understanding of dissociative experiences in nonclinical populations and for the validity and relevance of dissociative disorders in the contexts of psychiatry, psychology, and psychotherapy. We also consider the ways in which dissociative experiences are assimilated by Brazilian culture and religious expressions, and the implications of Brazilian studies for the sociocultural investigation of dissociation. We conclude by addressing the limitations of these studies and potential areas for future research.


Subject(s)
Cross-Cultural Comparison , Depersonalization/ethnology , Dissociative Disorders/ethnology , Psychological Trauma/ethnology , Religion and Psychology , Brazil/ethnology , Humans
2.
Transl Psychiatry ; 7(5): e1134, 2017 05 16.
Article in English | MEDLINE | ID: mdl-28509902

ABSTRACT

Identifying data-driven subtypes of major depressive disorder (MDD) is an important topic of psychiatric research. Currently, MDD subtypes are based on clinically defined depression symptom patterns. Although a few data-driven attempts have been made to identify more homogenous subgroups within MDD, other studies have not focused on using human genetic data for MDD subtyping. Here we used a computational strategy to identify MDD subtypes based on single-nucleotide polymorphism genotyping data from MDD cases and controls using Hamming distance and cluster analysis. We examined a cohort of Mexican-American participants from Los Angeles, including MDD patients (n=203) and healthy controls (n=196). The results in cluster trees indicate that a significant latent subtype exists in the Mexican-American MDD group. The individuals in this hidden subtype have increased common genetic substrates related to major depression and they also have more anxiety and less middle insomnia, depersonalization and derealisation, and paranoid symptoms. Advances in this line of research to validate this strategy in other patient groups of different ethnicities will have the potential to eventually be translated to clinical practice, with the tantalising possibility that in the future it may be possible to refine MDD diagnosis based on genetic data.


Subject(s)
Depressive Disorder, Major/diagnosis , Depressive Disorder, Major/genetics , Exome/genetics , Mexican Americans/genetics , Adult , Aged , Anxiety Disorders/diagnosis , Anxiety Disorders/ethnology , Anxiety Disorders/genetics , Cluster Analysis , Depersonalization/diagnosis , Depersonalization/ethnology , Depersonalization/genetics , Depressive Disorder, Major/classification , Female , Genotype , Humans , Los Angeles/ethnology , Male , Middle Aged , Paranoid Behavior/diagnosis , Paranoid Behavior/ethnology , Paranoid Behavior/genetics , Polymorphism, Single Nucleotide/genetics , Sleep Initiation and Maintenance Disorders/diagnosis , Sleep Initiation and Maintenance Disorders/ethnology , Sleep Initiation and Maintenance Disorders/genetics , Young Adult
4.
Span J Psychol ; 15(1): 227-36, 2012 Mar.
Article in English | MEDLINE | ID: mdl-22379712

ABSTRACT

This paper aims to investigate the relationship between teacher's personality types, emotional intelligence and burnout and to predict the burnout levels of 147 teachers in the city of Mashhad (Iran). To this end, we have used three inventories: Maslach Burnout Inventory (MBI), NEO Five Factor Inventory (NEO-FFI), and Emotional Quotient Inventory (EQ-I). We used Homogeneity Analysis and Multiple Linear Regression to analyze the data. The results exhibited a significant relationship between personality types and emotional intelligence and the three dimensions of burnout. It was indicated that the best predictors for emotional exhaustion were neuroticism and extroversion, for depersonalization were intrapersonal scale of emotional intelligence and agreeableness, and for personal accomplishment were interpersonal scale and conscientiousness. Finally, the results were discussed in the context of teacher burnout.


Subject(s)
Burnout, Professional/psychology , Character , Emotional Intelligence , Faculty , Achievement , Adult , Burnout, Professional/diagnosis , Burnout, Professional/ethnology , Cross-Cultural Comparison , Depersonalization/diagnosis , Depersonalization/ethnology , Depersonalization/psychology , Female , Humans , Interpersonal Relations , Iran , Male , Personality Inventory/statistics & numerical data , Privatization , Psychometrics/statistics & numerical data , Social Values
6.
Actas Esp Psiquiatr ; 34(3): 185-92, 2006.
Article in Spanish | MEDLINE | ID: mdl-16736392

ABSTRACT

INTRODUCTION: The Cambridge Depersonalisation Scale (CDS) is a self-rating questionnaire constructed to capture the frequency and duration of depersonalization symptoms over the last six months. The instrument has proved to be valid and reliable and can be useful in both clinical and neurobiological research. METHODS: This paper presents the Spanish adaptation and validation of the CDS. The study was carried out in two stages. First, we developed the Spanish version of the CDS by means of a cross-cultural adaptation methodology. Second, the CDS was tried on a sample of 130 subjects: 77 patients meeting DSM-IV-TR criteria for schizophrenia, 35 with depression disorders and 18 with anxiety disorders. Scores were compared against clinical diagnoses (gold standard). Furthermore, all the subjects of the study were administered the following: Dissociation Experiences Scale (DES), Positive and Negative Syndrome Scale (PANSS), Beck's Depression Inventory (BDI), and the Hamilton Anxiety Rating Scale (HARS). RESULTS: 38 patients (29.2 %) had depersonalization symptoms. The scale showed high internal consistency (Cronbach's alpha > 0.9 and split-half reliability > 0.8) and a test-retest reliability of 0.391. Convergent validity was 0.65 (p < 0.001) and discriminant validity was 0.308 (p < 0.05). The area under the ROC curve was 0.94. A cut-off of 71 appears to be most useful (sensitivity and specificity were 76.3 % and 89.1 %, respectively). CONCLUSION: The Spanish version of the CDS has good reliability and validity, similar to the original instrument.


Subject(s)
Depersonalization/diagnosis , Depersonalization/ethnology , Surveys and Questionnaires , Adolescent , Adult , Aged , Anxiety Disorders/diagnosis , Anxiety Disorders/epidemiology , Cross-Cultural Comparison , Culture , Depersonalization/epidemiology , Depressive Disorder/diagnosis , Depressive Disorder/epidemiology , Diagnostic and Statistical Manual of Mental Disorders , Female , Humans , Male , Middle Aged , Reproducibility of Results , Schizophrenia/diagnosis , Schizophrenia/epidemiology
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