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BACKGROUND: The Patient Health Questionnaire (PHQ-9) score ≥ 10 balances best sensitivity and specificity when detecting probable depression in patients. In the general population, different cut-offs are suggested. European studies on general populations validating the PHQ-9 against a diagnostic interview to detect depression are rare. METHODS: This was a cross-sectional observational epidemiological survey using multistage household probabilistic sampling to recruit a representative adult sample (N = 1203; age = 43.7 ± 13.6; 48.7% male). Mental disorders including current major depressive episode (MDE) were observer-rated (Mini International Neuropsychiatric Interview). The PHQ-9, quality of life (QoL), and loneliness were self-assessed. We performed validity and reliability tests of the PHQ-9 and receiver operating curve (ROC) analysis. RESULTS: The Serbian PHQ-9 was internally consistent and correlated in the expected directions with QoL and loneliness. At the cut-off score ≥ 8, sensitivity was .85 and specificity was .91. ROC analysis showed that the area under the curve was .95, indicating that the Serbian PHQ-9 can discriminate very well between persons with/without MDE. CONCLUSIONS: When the PHQ-9 is assessed against the structured diagnostic interview in the general population to detect depression, the cut-off of ≥8 balances best sensitivity and specificity.
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Trastorno Depresivo Mayor , Cuestionario de Salud del Paciente , Adulto , Humanos , Masculino , Persona de Mediana Edad , Femenino , Trastorno Depresivo Mayor/diagnóstico , Trastorno Depresivo Mayor/epidemiología , Trastorno Depresivo Mayor/psicología , Depresión/diagnóstico , Depresión/epidemiología , Depresión/psicología , Calidad de Vida , Tamizaje Masivo , Reproducibilidad de los Resultados , Estudios Transversales , Serbia/epidemiología , Sensibilidad y Especificidad , Psicometría , Encuestas y CuestionariosRESUMEN
INTRODUCTION: We will launch a national survey in Serbia to document the prevalence of two types of questionable health behaviours: (1) intentional non-adherence to medical recommendations and (2) use of traditional, complementary and alternative medicine practices, as well as the relation between the two. We will also investigate their psychological roots, including (a) 'distal' predictors such as HEXACO personality traits (plus Disintegration) and thinking dispositions (rational/experiential thinking and cognitive reflexivity), and (b) 'proximal' predictors under the umbrella 'irrational mindset' (set of unfounded beliefs consisting of conspiratorial thinking, superstition, magical health beliefs as well as selected cognitive biases), which have more content-wise overlap with the health behaviours. METHODS AND ANALYSIS: In this cross-sectional study, a research agency will collect data from a nationally representative sample (n=1043; age 18-75 years; estimated start/end-June/November 2021) recruited online (approximately, 70% of the sample, aged 18-54; 11 years) and face-to-face (approximately, 30% of the sample, aged 55-75 years). Participants will complete a battery of tests assessing questionable health behaviours, basic personality traits, thinking dispositions, irrational mindset, sociopolitical beliefs, sociodemographic and health-related variables. Prevalence rates will be calculated using descriptive statistics. To explore the relation between (psychological) predictors and questionable health behaviours, we will use hierarchical regression and partial mediation models (path analysis or full SEM models). ETHICS AND DISSEMINATION: Ethical Committees of the Faculty of Philosophy in Belgrade (#935/1), Faculty of Special Education and Rehabilitation (#139/1) and Faculty of Media and Communications (#228) approved the protocol. Only participants who provide informed consent will participate in the study. A research report based on the study results will be submitted to peer-reviewed journals and results will be made available to stakeholders through reports on the project website https://reasonforhealth.f.bg.ac.rs/en/ and disseminated via social media. TRIAL REGISTRATION NUMBER: NCT05808660.
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Conductas Relacionadas con la Salud , Humanos , Serbia , Estudios Transversales , PrevalenciaRESUMEN
The aim of this observational study was to investigate the level and association of physical activity and selected chronic diseases in functionally independent LTC residents after prolonged physical and social isolation during COVID-19 in Croatia. Adhering to the inclusion criteria, 180 functionally independent residents were included in the study. Assessment of physical activity was carried out by 7-day motor monitoring. Prolonged physical and social isolation negatively affected the achieved level of physical activity of LTC residents (x¯ = 5058.74). Major depressive disorder resulted in significantly lower residents' physical activity scores, demonstrating a shrinking effect ranging from 0.42 to 0.45. A significant negative impact on the residents' physical activity was also found in the presence of osteoarthritis and iron deficiency anemia, where a downward effect was present in the range from 0.66-0.72 and 0.64 to 0.66. The presence of comorbidities has a significant negative impact on the residents' physical activity, where a downward effect is present in the range from 0.91-0.92.
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COVID-19 , Trastorno Depresivo Mayor , Humanos , Cuidados a Largo Plazo , Casas de Salud , Croacia/epidemiología , COVID-19/epidemiología , Control de Enfermedades Transmisibles , Enfermedad CrónicaRESUMEN
OBJECTIVES: The outbreak of the COVID-19 pandemic was followed by the widespread proliferation of conspiracy beliefs (CBs) regarding the origin and harmfulness of the virus and a high level of hesitancy to vaccinate. We aimed to test a series of hypotheses on the correlates of CBs and vaccination, including socio-demographic factors, personality dispositions, somatic health, stressful experiences during pandemics, and psychological distress. METHOD: The sample (N = 1203), was based on a multistage probabilistic household sampling representative of the general population. The subjects were randomly split into two approximately equal subgroups, enabling cross-validation. Based on the findings in the exploratory, the SEM model was tested in the confirmatory subsample. RESULTS: The correlates of CBs were Disintegration (proneness to psychotic-like experiences), low Openness, lower education, Extraversion, living in a smaller settlement and being employed. The correlates of vaccination were older age, CBs and larger places of living. Evidence on the role of stressful experiences and psychological distress in CBs/vaccination was not found. The findings of moderately strong and robust (cross-validated) paths, leading from Disintegration to CBs and from CBs to vaccination were the most important ones. DISCUSSION: Conspiratorial thinking tendencies-related to health-related behaviour such as vaccination-appear to be, to a considerable extent, manifestations of the mechanisms that are part of our stable, broad, trait-like thinking/emotional/motivational/behavioural tendencies, primarily proneness to psychotic-like experiences & behaviours.
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COVID-19 , Humanos , Pandemias , Emociones , Motivación , PersonalidadRESUMEN
OBJECTIVE: Disintegration is a recently proposed broad, trait-like reconceptualization of the proneness to psychotic-like experiences/behaviors. METHODS: We tested the assumption that the 6-factor model (Five-Factor traits plus Disintegration) was the most adequate one and that it was invariant across clinical and non-clinical populations. The clinical sample (n = 161) consisted of patients who had at least one psychotic episode, duration of illness less than 10 years, currently in remission. The general population (n = 409) was matched with the patient sample by age, gender, and education. NEO PI-R and DELTA were used to measure personality dimensions in both samples. Invariance of one to six-factor solutions was tested by Exploratory Structural Equation Modeling. RESULTS: We found that: (a) several criteria for deciding on the number of factors to retain converged to the conclusion that the assumed 6-factor model was the most adequate one, (b) the assumed factorial structure appeared to satisfy the criteria for the scalar invariance across the two samples, (c) all nine Disintegration subdimensions separated from the Big Five, forming the Disintegration factor, and (d) Disintegration was unrelated to Openness. CONCLUSION: The Big Five personality structure-complemented with disintegration-was invariant across individuals from the general population and patients with psychosis.
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Personalidad , Trastornos Psicóticos , Humanos , Trastornos de la Personalidad , Inventario de PersonalidadRESUMEN
Affect is involved in many psychological phenomena, but a descriptive structure, long sought, has been elusive. Valence and arousal are fundamental, and a key question-the focus of the present study-is the relationship between them. Valence is sometimes thought to be independent of arousal, but, in some studies (representing too few societies in the world) arousal was found to vary with valence. One common finding is that arousal is lowest at neutral valence and increases with both positive and negative valence: a symmetric V-shaped relationship. In the study reported here of self-reported affect during a remembered moment (N = 8,590), we tested the valence-arousal relationship in 33 societies with 25 different languages. The two most common hypotheses in the literature-independence and a symmetric V-shaped relationship-were not supported. With data of all samples pooled, arousal increased with positive but not negative valence. Valence accounted for between 5% (Finland) and 43% (China Beijing) of the variance in arousal. Although there is evidence for a structural relationship between the two, there is also a large amount of variability in this relation. (PsycInfo Database Record (c) 2023 APA, all rights reserved).
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Emociones , Lenguaje , Humanos , Autoinforme , Encuestas y Cuestionarios , Nivel de AlertaRESUMEN
The relationships between Momentary Psychotic-Like Experiences (MPLEs) and HEXACO-complemented by the proneness to PLEs conceptualized as a basic personality trait (Disintegration), and a maladaptive trait (PID-5 Psychoticism)-were investigated in a prospective study that includes experience-sampling methodology (ESM). The main goal was to investigate whether MPLEs are better predicted by HEXACO or measures of the dispositional proneness to PLEs. A sample of 180 participants assessed MPLEs and affective states they experienced in the previous two hours, twice per day, with semi-randomly set assessment time-points, during seven days, by using ESM. Personality inventories were administered 1-2 months earlier. MPLEs were better predicted by the measures of dispositional tendencies toward PLEs than by the HEXACO, no matter whether it was broadly defined as the nine-faceted general tendency toward PLEs (Disintegration), or narrowly as three-faceted positive psychotic-like symptoms of maladaptive personality tendencies (PID-5-Psychoticism).
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Trastornos Psicóticos , Humanos , Personalidad , Trastornos de la Personalidad/diagnóstico , Inventario de Personalidad , Estudios Prospectivos , Trastornos Psicóticos/psicologíaRESUMEN
The goal of the study is to investigate the relationship between the HEXACO personality model and Disintegration-representing a broad spectrum of psychotic-like experiences and behavioral tendencies (Perceptual Distortions, General Executive/Cognitive Impairment, Enhanced Awareness, Paranoia, Mania, Flattened Affect, Apathy/Depression, Somatoform Dysregulation, and Magical Thinking) that are reconceptualized as a personality trait. In this preregistered study, we predicted that the Disintegration factor would separate from HEXACO. The replicability of the factorial structures of HEXACO and Disintegration subcomponents is investigated across the three national samples (UK, Germany, and Serbia), matched on key socio-demographic variables. Exploratory Structural Equation Modeling (ESEM) is used to study the invariance of the hypothesized seven-factor structure (six HEXACO plus Disintegration). Support for the metric invariance of the seven-factor structure based on HEXACO and Disintegration subcomponents/facets across the three nations was found. The Disintegration factor lied outside the HEXACO personality space with each of its nine subcomponents. The Disintegration factor appeared to be among the most coherent and replicable of the seven across the samples and units of measurement (facets and items). A broad spectrum of psychotic-like experiences/behavioral tendencies relevant in understanding and explaining many aspects of everyday and long-term (mal)adaptations is not captured by the HEXACO model.
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Trastornos de la Personalidad , Personalidad , Humanos , Inventario de PersonalidadRESUMEN
This study aimed to examine the role of socio-political attitudes and motivational tendencies supposed to mark closed-mindedness, as well as other relevant variables of individual differences (Disintegration, i.e., proneness to psychotic-like experiences/behaviors and Death Anxiety), in the Militant Extremist Mindset (MEM). A community sample of 600 young respondents (Serbs, Bosniaks, and Albanians, aged 18-30) was recruited within a multiethnic region of Serbia that experienced armed conflict during the break-up of the former Yugoslavia. The best-fitted SEM model, incorporating measurement and structural relationships between the variables, showed that the latent factor of Closed-mindedness predicted all three aspects of MEM as well as Neighborhood Grudge, that is, resentment toward neighboring ethnicities. The effects of Disintegration and Death Anxiety on MEM were entirely mediated by Closed-mindedness. Compared to previous findings, Closed-mindedness appears to represent the most important set of cognitive and motivational tendencies that channel protracted intergroup tensions into militant extremism.
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Trastornos Mentales , Actitud , Etnicidad , HumanosRESUMEN
BACKGROUND: Based on the known relationship between the human emotion and standard surface electrocardiogram (ECG), we explored the relationship between features extracted from standard ECG recorded during relaxation and seven personality traits (Honesty/humility, Emotionality, eXtraversion, Agreeableness, Conscientiousness, Openness, and Disintegration) by using the machine learning (ML) approach which learns from the ECG-based features and predicts the appropriate personality trait by adopting an automated software algorithm. METHODS: A total of 71 healthy university students participated in the study. For quantification of 62 ECG-based parameters (heart rate variability, as well as temporal and amplitude-based parameters) for each ECG record, we used computation procedures together with publicly available data and code. Among 62 parameters, 34 were segregated into separate features according to their diagnostic relevance in clinical practice. To examine the feature influence on personality trait classification and to perform classification, we used random forest ML algorithm. RESULTS: Classification accuracy when clinically relevant ECG features were employed was high for Disintegration (81.3%) and Honesty/humility (75.0%) and moderate to high for Openness (73.3%) and Conscientiousness (70%), while it was low for Agreeableness (56.3%), eXtraversion (47.1%), and Emotionality (43.8%). When all calculated features were used, the classification accuracies were the same or lower, except for the eXtraversion (52.9%). Correlation analysis for selected features is presented. CONCLUSIONS: Results indicate that clinically relevant features might be applicable for personality traits prediction, although no remarkable differences were found among selected groups of parameters. Physiological associations of established relationships should be further explored.
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Electrocardiografía , Personalidad , Algoritmos , Extraversión Psicológica , Humanos , Aprendizaje AutomáticoRESUMEN
The development of anthelmintic resistance in sheep gastrointestinal nematodes (GINs) requires novel strategies for the sustainable control of these parasites. This study aimed to evaluate the anthelmintic efficacy of the Origanum vulgare (L.) essential oil (EO) against sheep GINs and to evaluate the possibility of its use in control practice. The in vitro egg hatch test was conducted at eight different concentrations (50, 12.5, 3.125, 0.781, 0.195, 0.049, 0.025, and 0.0125 mg/mL) of the tested EO. For the in vivo fecal egg count reduction test, the EO of O. vulgare was administrated orally at a mean single dose of 150 mg/kg to sheep from two farms in Southern Italy, whereby potential toxic effects to the hosts were also evaluated. In the egg hatch test, the inhibition of egg hatchability varied from 71.3% to 93.7%, depending on the concentration used. The high anthelmintic potential was confirmed in the fecal egg count reduction test with an average reduction of nematode eggs in feces of 43.2% and 60.1% on days 7 and 14 after treatment, respectively. In addition, no toxic effects were noticed during the clinical examination of sheep or by observing blood count and liver or kidney function test results. The obtained results suggest the strong activity of the O. vulgare EO against sheep GINs, probably due to a high percentage of carvacrol (76.21%), whereby it can be considered safe for sheep at the dose tested in vivo. Therefore, it is suitable for use in veterinary practice as a part of an integrated strategy for the control of sheep GINs.
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INTRODUCTION: The COVID-19 pandemic is likely to have a prolonged impact on mental health (MH); however, the long-term MH effects of the COVID-19 pandemic remain unknown. The Serbian national survey-CoV2Soul.RS-was launched to document the MH status of the Serbian population following the COVID-19 pandemic and to contribute to an international evidence base about MH prevalence rates during different phases of the pandemic. METHODS AND ANALYSIS: This cross-sectional study was designed to collect a nationally representative sample (N=1200; age 18-65 years; estimated start/end-June/November 2021) using multistage probabilistic household sampling. Trained staff will conduct in-person diagnostic interviews. A battery of self-report instruments will be administered to assess the quality of life (QoL), general distress and associated protective and harmful psychological and societal factors. Analyses will be conducted to delineate the prevalence rates of MH disorders, how MH conditions and QoL vary with respect to sociodemographic variables, personality, health status and traumatic events during the COVID-19 pandemic, and to test how these relations depend on geographical region. Moreover, this study was designed to explore mechanisms linking personality and the perception of pandemic consequences and associated distress. Prevalence rates of MH disorders will be calculated using descriptive statistics. For additional analyses, we will use correlations, analysis of variance and regression analyses. The hierarchical structure of the data will be explored using multilevel random coefficient modelling. Structural equation modelling will be used to investigate the indirect effects of personality on distress through relevant variables. ETHICS AND DISSEMINATION: Ethical Committees of the Faculty of Medicine (1322-VII/31) and Faculty of Philosophy in Belgrade (02-33/273) and Faculty of Philosophy in Novi Sad (05-27, br.893/1) approved the protocol. Only respondents able to provide informed consent will participate in the study. Research reports will be submitted to peer-reviewed journals and the results will be placed on the website www.cov2soul.rs to be available to funders, researchers, policy-makers and interested laypeople, and will be advertised through social media. TRIAL REGISTRATION NUMBER: NCT04896983.
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COVID-19 , Pandemias , Adolescente , Adulto , Anciano , Estudios Transversales , Humanos , Salud Mental , Persona de Mediana Edad , Calidad de Vida , SARS-CoV-2 , Serbia/epidemiología , Encuestas y Cuestionarios , Adulto JovenRESUMEN
ABSTRACT: Prompted by the need to measure the impact of the coronavirus disease 2019 on main areas of quality of life related to mental health (MH), the COV-19-impact on quality of life (COV19-QoL) scale has been developed recently. We measured how patients seeking face-to-face MH care perceived the coronavirus disease 2019 impact on QoL and how socio-demographic factors, stress, and personality contributed to QoL in this diagnostically diverse population.Patients aged 18 to 65âyears (nâ=â251) who came for the first time to the outpatient units during the 6-week index-period (May 21-July 1, 2020) were included. The cross-sectional assessment involved sociodemographic variables, working diagnosis, personality traits (7-dimension model, including HEXACO and DELTA), stress (list of threatening experiences and proximity to virus), and COV19-QoL.The perceived impact of the pandemic on QoL was above the theoretical mean of a 5-point scale (COV19-Qolâ=â3.1â±â1.2). No association between total COV19-QoL score, sociodemographic parameters, and working diagnoses was found in the present sample. After testing whether positional (threatening experiences), or dispositional (personality) factors were predominant in the perceived impact of COV-19 on QoL, significant predictors of the outcome were personality traits Disintegration (Bâ=â0.52; Pâ<â.01) and Emotionality (Bâ=â0.18; Pâ<â.05).It seems that pervasiveness and uncertainty of the pandemic threat triggers-especially in those high on Disintegration trait-a chain of mental events with the decrease of QoL as a final result. Present findings could be used to establish a profile of MH help seeking population in relation to this biological disaster, and to further explore QoL and personality in different contexts.
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COVID-19/complicaciones , Servicios de Salud Mental/estadística & datos numéricos , Calidad de Vida/psicología , Aislamiento Social/psicología , Adolescente , Adulto , Anciano , COVID-19/prevención & control , COVID-19/psicología , Estudios Transversales , Humanos , Masculino , Persona de Mediana Edad , Encuestas y CuestionariosRESUMEN
High levels of stress in the parenting domain can lead to parental burnout, a condition that has severe consequences for both parents and children. It is not yet clear, however, whether parental burnout varies by culture, and if so, why it might do so. In this study, we examined the prevalence of parental burnout in 42 countries (17,409 parents; 71% mothers; Mage = 39.20) and showed that the prevalence of parental burnout varies dramatically across countries. Analyses of cultural values revealed that individualistic cultures, in particular, displayed a noticeably higher prevalence and mean level of parental burnout. Indeed, individualism plays a larger role in parental burnout than either economic inequalities across countries, or any other individual and family characteristic examined so far, including the number and age of children and the number of hours spent with them. These results suggest that cultural values in Western countries may put parents under heightened levels of stress. Supplementary Information: The online version contains supplementary material available at 10.1007/s42761-020-00028-4.
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The study aimed to investigate the role of personality, thinking styles, and conspiracy mentality in health-related behaviors during the COVID-19 pandemic, i.e., recommended health behaviors according to COVID-19 guidelines and engagement in pseudoscientific practices related to COVID-19. Basic personality space was defined by the HEXACO model complemented by Disintegration, which represents psychotic-like experiences and behaviors reconceptualized as a personality trait. Mediation analyses conducted on a convenient sample from the general population recruited via social media and by snowballing (N = 417) showed that engagement in pseudoscientific behaviors was predicted by high Disintegration. However, this relationship was entirely mediated by high experiential and low rational thinking styles. Adherence to health practices recommended by COVID-19 guidelines was predicted by high Honesty traits, while low Disintegration had both direct and indirect effects through conspiracy mentality.
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The ambulatory assessment offers a wide range of methods enabling researchers to investigate psychological, behavioral, emotional, and biological processes. These methods enable us to gather data on individual differences in language use for psychological research. Two studies were conducted with an aim to evaluate and compare the temporal stability of language measures extracted by LIWC software form data obtained by two frequently used methods for assessment of language use, i.e., Electronically Activated Recorder (EAR) and stream of consciousness (SOC) task. Additionally, we examined the amount of variance in language use (assessed by both methods) that can be attributed to intra-individual variability and stable individual differences. Study 1 was focused on investigating language use obtained from 74 respondents using the EAR for 3 consecutive days. Study 2 was conducted on 250 respondents participating in a SOC task where verbal production was collected at ten time points over a 2-month period. Results show that measures obtained using the SOC task have higher temporal stability and consistency, and to a certain extent enable better detection of individual differences. Taking into account certain situational variations improves the reliability of EAR measures.
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Estado de Conciencia , Individualidad , Lenguaje , Emociones , Reproducibilidad de los Resultados , Programas Informáticos , Factores de TiempoRESUMEN
We provide evidence on the convergence of language-based questionnaire and biological perspectives on personality traits. The first study, conducted on Serbian students, provided evidence on the position of Panksepp's Affective Neuroscience Personality Scales (ANPS) in the personality space defined by HEXACO facets. The second, replicatory study was conducted on a sample of German young adults. Results show that the instruments based on these 2 approaches target highly similar personality phenomena, which is revealed in the high canonical correlations between them (the first 3 being above .70 in both samples). Despite the overlap, the scales measuring emotional systems do not map onto HEXACO factors one-to-one, and mostly have substantial loading on more than 1 HEXACO factor. The pattern of correlations between HEXACO and ANPS scales was highly similar in the 2 samples. The importance of the findings for the personality taxonomy and theory is discussed.
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Emociones/fisiología , Personalidad/fisiología , Adolescente , Adulto , Femenino , Humanos , Masculino , Modelos Psicológicos , Inventario de Personalidad , Psicometría , Encuestas y Cuestionarios , Adulto JovenRESUMEN
Which is more enjoyable: trying to think enjoyable thoughts or doing everyday solitary activities? Wilson et al. (2014) found that American participants much preferred solitary everyday activities, such as reading or watching TV, to thinking for pleasure. To see whether this preference generalized outside of the United States, we replicated the study with 2,557 participants from 12 sites in 11 countries. The results were consistent in every country: Participants randomly assigned to do something reported significantly greater enjoyment than did participants randomly assigned to think for pleasure. Although we found systematic differences by country in how much participants enjoyed thinking for pleasure, we used a series of nested structural equation models to show that these differences were fully accounted for by country-level variation in 5 individual differences, 4 of which were positively correlated with thinking for pleasure (need for cognition, openness to experience, meditation experience, and initial positive affect) and 1 of which was negatively correlated (reported phone usage). (PsycINFO Database Record (c) 2019 APA, all rights reserved).
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Cognición , Comparación Transcultural , Placer , Emociones , Humanos , MeditaciónRESUMEN
BACKGROUND: Research results on dehydroepiandrosterone sulfate ester (DHEAS) in post-traumatic stress disorder (PTSD) are inconsistent. We hypothesized that personality traits could be the confounders of DHEAS levels and disease symptoms, which could in part explain the discrepancy in findings. METHOD: This study was a part of a broader project in which simultaneous psychological and biological investigations were carried out in hospital conditions. 380 male subjects were categorized in four groups: A) current PTSD (nâ¯=â¯132), B) lifetime PTSD (nâ¯=â¯66), C) trauma controls (nâ¯=â¯101), and D) healthy controls (nâ¯=â¯81), matched by age. RESULTS: The level of DHEAS is significantly lower in the current PTSD group than in trauma controls. All groups significantly differ in personality traits Disintegration and Neuroticism (current PTSD group having the highest scores). DHEAS is related to both PTSD and depressive symptoms; however, Structural Equation Model (SEM) shows that the relations are indirect, realized via their confounder - personality trait Disintegration. CONCLUSIONS: According to our project results, DHEAS is the second putative biomarker for trauma-related disorders that fails to fulfil this expectation. It appears to be more directly related to personality than to the disease symptoms (the first one being basal cortisol). Our data promote personality as a biologically based construct with seemingly important role in understanding the mental health status.
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Sulfato de Deshidroepiandrosterona/metabolismo , Depresión/metabolismo , Trastornos por Estrés Postraumático/metabolismo , Adulto , Biomarcadores/sangre , Depresión/psicología , Humanos , Masculino , Persona de Mediana Edad , Personalidad/efectos de los fármacos , Personalidad/fisiología , Trastornos por Estrés Postraumático/sangre , Trastornos por Estrés Postraumático/psicologíaRESUMEN
In public goods situations, a specific destructive behavior emerges when individuals face the possibility of punishing others: antisocial punishment, that is, costly punishing cooperative individuals. So far, little is known about the (intuitive or reflective) processes underlying antisocial punishment. Building on the Social Heuristics Hypothesis and arguing that antisocial punishment reflects the basic characteristics of sadism, namely, aggressive behavior to dominate and to harm other individuals it is assumed that everyday sadists intuitively engage in antisocial punishment. Two studies document that activating (Study 1) and inhibiting (Study 2) the intuitive system when a punishment option can be realized in one-shot iterated public goods games increased (Study 1) and reduced (Study 2) antisocial punishment, in particular among individuals who reported a proneness to sadism. In sum, the present research suggests that sadistic tendencies executed intuitively play a crucial role regarding antisocial punishment in public goods situations.