"Actor-critic" dichotomous hyperactivation and hypoconnectivity in obsessive-compulsive disorder.

Dysfunctional response inhibition, mediated by the striatum and its connections, is thought to underly the clinical manifestations of obsessive-compulsive disorder (OCD). However, the exact neural mechanisms remain controversial. In this study, we undertook a novel approach by positing that a) inhibition is a dynamic construct inherently susceptible to numerous failures, which require error-processing, and b) the actor-critic framework of reinforcement learning can integrate neural patterns of inhibition and error-processing in OCD with their behavioural correlates.

Neural inhibition as implemented by an actor-critic model involves the human dorsal striatum and ventral tegmental area.

Inhibition is implicated across virtually all human experiences. As a trade-off of being very efficient, this executive function is also prone to many errors. Rodent and computational studies show that midbrain regions play crucial roles during errors by sending dopaminergic learning signals to the basal ganglia for behavioural adjustment.

A neural network underlying cognitive strategies related to eating, weight and body image concerns.

Concerns about food intake, weight and body shape can trigger negatively loaded emotions, which may prompt the use of cognitive strategies to regulate these emotional states. A novel fMRI task was developed to assess the neurobehavioral correlates of cognitive strategies related to eating, weight and body image concerns, such as self-criticism, avoidance, rumination, and self-reassurance. Fourteen healthy females were presented audio sentences referring to these conditions and instructed to repeat these internally while engaging their thoughts with the content of food or body images.

Attitudes of psychiatrists towards people with mental illness: a cross-sectional, multicentre study of stigma in 32 European countries.

Background: Mental health-related stigma occurs among the public and professionals alike. The lived experience of mental illness has been linked to less stigmatising attitudes. However, data on psychiatrists and the relationship between stigmatising attitudes and psychotherapeutic activity or case discussion groups remains scarce.

Online Compassion Focused Therapy for overeating: Feasibility and acceptability pilot study.

Objective: This pilot study aims to investigate the feasibility, acceptability, and potential effectiveness of online Compassion Focused Therapy for overeating (CFT-OE).

Method: Eighteen Portuguese women seeking treatment for overeating were enrolled in this study, and 15 participants completed the CFT-OE. This was a single-arm study.

Ruminative response scale for eating disorders: bifactor model and measurement invariance in a Portuguese community sample.

The Ruminative Response Scale for Eating Disorders (RRS-ED) measures ruminative thought content specifically related to eating disordered themes, assessing two domains of rumination, brooding and reflection. This study aims to examine the factor structure of the RRS-ED in a Portuguese community sample, using correlated two-factor models, unifactorial and bifactor models and test for invariance across sex. A sample of 535 adults (179 male; 356 female) filled out the RRS-ED.

Psychometric properties of the Opening Minds Stigma Scale for Health Care Providers in 32 European countries - A bifactor ESEM representation.

Aims: To measure the stigma of healthcare providers toward people suffering from mental illness, the Opening Minds Stigma Scale for Health Care Providers (OMS-HC) is a commonly applied instrument. However, this scale has not been thoroughly validated in many European countries, its psychometric properties are still unknown and data on practicing psychiatrists is lacking. Therefore, this multicenter study aimed to assess the psychometric characteristics of the 15-item OMS-HC in trainees and specialists in adult and child psychiatry in 32 countries across Europe.

The Postpartum Obsessive-Compulsive Scale: Psychometric, Operative and Epidemiologic Study in a Portuguese Sample.

Background: Although obsessive-compulsive (OC) symptoms are common in the perinatal period, measures to comprehensively assess their presence, frequency, interference and severity are lacking. The Perinatal Obsessive-Compulsive Scale (POCS) is the only self-report questionnaire with context-specific items. It includes items to assess perinatal-specific obsessions and compulsions, a severity scale and an interference scale.

The Impact of COVID-19 on Anxious and Depressive Symptomatology in the Postpartum Period.

Background: Women in the postpartum period may be particularly vulnerable to the psychological effects of the COVID-19 pandemic. The aim of our study was to evaluate the impact of the coronavirus pandemic on postpartum depression and anxiety levels and the role of the fear of COVID-19 in its development. Methods: Women who delivered at the Bissaya Barreto Maternity Hospital, between 16 March and 16 June 2020 (Group 1: Birth in COVID-19 period, n = 207), recruited in the postpartum period, filled in a set of self-reported validated questionnaires: Perinatal Depression Screening Scale, Perinatal Anxiety Screening Scale, Profile of Mood States, Perseverative Thinking Questionnaire, Dysfunctional Beliefs Towards Maternity Scale, and the Fear of COVID-19 Scale.

Portuguese Version of the Stigma Scale: Preliminary Psychometric Characteristics.

Introduction: Stigma is associated with poor prognosis of illness and reduced help-seeking behavior, self-esteem and treatment compliance. The aims of this study were to study the reliability and construct validity of the King's et al Stigma Scale, and its association with Illness and Help-Seeking Behaviors scale (IHSBS) scores.

Material And Methods: One hundred and forty mental health patients filled out the Stigma scale and the Illness and Help-Seeking Behaviors scale.

The Protective Role of Self-Compassion in the Relationship between Perfectionism and Burnout in Portuguese Medicine and Dentistry Students.

Recent studies have documented the high prevalence of burnout among medicine and dentistry students, with potentially catastrophic consequences for both students and patients. Both environmental and personality factors play a part in burnout; perfectionism, a common trait in medicine students' personalities, has been linked to psychological distress and increasing students' vulnerability to burnout. Self-compassion, i.

COVID-19 psychological impact: The role of perfectionism.

Psychological reactions to pandemics and their constraints depend heavily on personality. Although perfectionism is consistently associated to depression, anxiety and stress, its role in the pandemics' psychological impact has not been yet empirically studied. Our aim was to analyze the role of perfectionism in psychological distress during the pandemic of COVID-19, testing whether it is mediated by fear of COVID-19 and repetitive negative thinking/RNT.

Association between premenstrual dysphoric disorder and perinatal depression: a systematic review.

Premenstrual dysphoric disorder (PMDD) affects 1.2 to 5% of women of reproductive age. Besides significant suffering and social, occupational, and interpersonal impairment, it has been suggested that this syndrome is associated with other affective disorders, in different reproductive phases, such as pregnancy and the postpartum period.

Impact in the quality of life of parents of children with chronic diseases using psychoeducational interventions - A systematic review with meta-analysis.

Objective: This study aimed to identify psychoeducational interventions applied to parents of children with chronic diseases and evaluate their impact on their quality of life (QoL).

Methods: It was conducted in six databases, complemented by references from the included studies and other reviews, manual search, and contact with experts. We included primary studies on parents of children with chronic diseases that studied psychoeducational interventions versus standard care.

Communication skills preparedness for practice: Is there a key ingredient in undergraduate curricula design?

Objective: To characterize medical interns' experience regarding communication skills education and to explore potential associations with preparedness for practice.

Methods: Two hundred sixty-six medical interns answered an original questionnaire specifically developed to explore how well they feel their undergraduate training had prepared them in key aspects of medical communication. Instrument's psychometric properties were tested.

Trazodone-induced delirium: case report.

Trazodone is used as an antidepressant in doses between 150 and 600 mg. At lower doses, it is commonly used to treat insomnia. There are few case reports about confusional symptoms as an undesirable side effect of this drug.

Are shame and self-criticism the path to the pervasive effect of social stress reactivity on social functioning in psychosis?

It is widely known that stress reactivity and social functioning impairment are important difficulties in people with psychosis. However, the specific impact of stress reactivity on social functioning and its underlying mechanisms are still less explored. Social rank variables, such as shame and self-criticism, have been pointed out as relevant in the development, maintenance of several types of psychosocial suffering and, specifically, in psychotic disorders.

The Clinical Interview for Psychotic Disorders (CIPD): Preliminary results on interrater agreement, reliability and qualitative feedback.

Given the recent treatment paradigm shift in psychosis, focusing on the recovery process, new assessment tools are needed. The Clinical Interview for Psychotic Disorders (CIPD) is an integrative and comprehensive assessment tool for psychotic disorders. CIPD encompasses the evaluation of diagnosis, psychosocial correlates and most relevant comorbidities.

Assessing beliefs and attitudes towards antipsychotic medication from a recovery-based perspective: Psychometric properties of a new scale.

Antipsychotic medication non-adherence is a complex and multifaceted problem that may hinder recovery in psychosis-spectrum disorders. Therefore, it warrants an early and comprehensive assessment. Current self-report measures focus entirely on behavioral and attitudinal barriers to adherence, failing to provide insight about key psychosocial drivers such as shame and stigma that may also account for non-adherence.

Negative affect and eating psychopathology: the moderator effect of gender.

Purpose: This study examined the moderator role of gender in the relationship between negative affect and eating psychopathology as well as gender differences in these variables.

Methods: A community sample of 285 students (61.8% females), aged 13-25, was recruited in middle and high schools and universities.

Sleep difficulties in college students: The role of stress, affect and cognitive processes.

Previous research indicates that sleep difficulties and stress are prevalent in college students. The main aim of the current study was to investigate the role of repetitive negative thinking (RNT), cognitive emotion regulation, and negative affect as mediators of the relationship between stress and sleep difficulties. We also intended to analyse the associations between all these variables and the gender differences.

Perfectionism and negative/positive affect associations: the role of cognitive emotion regulation and perceived distress/coping.

Objective: To explore 1) if perfectionism, perceived distress/coping, and cognitive emotion regulation (CER) are associated with and predictive of negative/positive affect (NA/PA); and 2) if CER and perceived distress/coping are associated with perfectionism and if they mediate the perfectionism-NA/PA associations. There is a distinction between maladaptive and adaptive perfectionism in its association with NA/PA. CER and perceived distress/coping may mediate the maladaptive/adaptive perfectionism and NA/PA associations.

Longitudinal effects of an intervention on perfectionism in adolescents.

Unlabelled: Perfectionism is a personality disposition characterized by a person´s striving for flawlessness and the setting of excessively high performance standards. This trait has been associated with a broad range of psychopathological conditions. Consequently, prevention of its harmful effects must start early.