A cross-sectional case-control study on the structural connectome in recovered hospitalized COVID-19 patients.

COVID-19 can induce neurological sequelae, negatively affecting the quality of life. Unravelling this illness's impact on structural brain connectivity, white-matter microstructure (WMM), and cognitive performance may help elucidate its implications. This cross-sectional study aimed to investigate differences in these factors between former hospitalised COVID-19 patients (COV) and healthy controls. Group differences in structural brain connectivity were explored using Welch-two sample t-tests and two-sample Mann-Whitney U tests. Multivariate linear models were constructed (one per region) to examine fixel-based group differences. Differences in cognitive performance between groups were investigated using Wilcoxon Rank Sum tests. Possible effects of bundle-specific FD measures on cognitive performance were explored using a two-group path model. No differences in whole-brain structural organisation were found. Bundle-specific metrics showed reduced fiber density (p = 0.012, Hedges' g = 0.884) and fiber density cross-section (p = 0.007, Hedges' g = 0.945) in the motor segment of the corpus callosum in COV compared to healthy controls. Cognitive performance on the motor praxis and digit symbol substitution tests was worse in COV than healthy controls (p < 0.001, r = 0.688; p = 0.013, r = 422, respectively). Associations between the cognitive performance and bundle-specific FD measures differed significantly between groups. WMM and cognitive performance differences were observed between COV and healthy controls.

Consciousness beyond the human case.

There is growing interest in the relationship been AI and consciousness. Joseph LeDoux and Jonathan Birch thought it would be a good moment to put some of the big questions in this area to some leading experts. The challenge of addressing the questions they raised was taken up by Kristin Andrews, Nicky Clayton, Nathaniel Daw, Chris Frith, Hakwan Lau, Megan Peters, Susan Schneider, Anil Seth, Thomas Suddendorf, and Marie Vanderkerckhoeve.

Threat through the Screen? Association between Proximity and/or Watching Media Coverage of a Terrorist Attack and Health.

INTRODUCTION: After terrorist attacks, media coverage of the attacks is extensive. There are some indications that there is an association between watching the media coverage and certain health reactions, both mental and somatic. Most studies occur in the United States and often months after the initial attack. In the current study, we investigated the terrorist attacks in Belgium on 22 March 2016. METHODS: An online cross-sectional survey was conducted one week after the attacks among the general population of Belgium. We measured hours of media watching of the terrorist attacks (hereafter media watching), adjusted scales of the Patient Health Questionaire-4 (PHQ-4) to measure mental symptoms and the Patient Health Questionaire-15 (PHQ-15) to measure somatic symptoms, proximity to Brussels (home, work and overall proximity) and background factors such as gender, age and level of education. Respondents were included if they answered the survey between 29 March 2016 and 5 April 2016. RESULTS: A total of 2972 respondents were included. Overall, media watching was significantly associated with both mental symptoms (p < 0.001) and somatic symptoms (p < 0.001), while controlling for age, gender, level of education and proximity. Watching more than three hours of media was associated with more mental and somatic symptoms (p < 0.001). Compared to proximity, media watching was, in general, a better association. For geographical factors, watching more than three hours of media indicated equally high scores for mental symptoms and somatic symptoms as work proximity (p = 0.015) and overall proximity to the attacks (p = 0.024). CONCLUSION: Media-watching is associated with acute health reactions after terrorist attacks. However, the direction of the relationship is unclear, as it might also be that people with health issues seek out more media.

Approaching or Decentering? Differential Neural Networks Underlying Experiential Emotion Regulation and Cognitive Defusion.

The current study investigated the bottom-up experiential emotion regulation in comparison to the cognitiveve top down-approach of cognitive defusion. Rooted in an experiential- and client-centered psychotherapeutic approach, experiential emotion regulation involves an active, non-intervening, accepting, open and welcoming approach towards the bodily felt affective experience in a welcoming, compassionate way, expressed in 'experiential awareness' in a first phase, and its verbalization or 'experiential expression' in a second phase. Defusion refers to the ability to observe one's thoughts and feelings in a detached manner. Nineteen healthy participants completed an emotion regulation task during fMRI scanning by processing highly arousing negative events by images. Both experiential emotion regulation and cognitive defusion resulted in higher negative emotion compared to a 'watch' control condition. On the neurophysiological level, experiential emotion regulation recruited brain areas that regulate attention towards affective- and somatosensorial experience such as the anterior cingulate cortex, the paracingulate gyrus, the inferior frontal gyrus, and the prefrontal pole, areas underlying multisensory information integration (e.g., angular gyrus), and linking body states to emotion recognition and awareness (e.g., postcentral gyrus). Experiential emotion regulation, relative to the control condition, also resulted in a higher interaction between the anterior insular cortex and left amygdala while participants experienced less negative emotion. Cognitive defusion decreased activation in the subcortical areas such as the brainstem, the thalamus, the amygdala, and the hippocampus. In contrast to cognitive defusion, experiential emotion regulation relative to demonstrated greater activation in the left angular gyrus, indicating more multisensory information integration. These findings provide insight into different and specific neural networks underlying psychotherapy-based experiential emotion regulation and cognitive defusion.

Bottom-Up and Cognitive Top-Down Emotion Regulation: Experiential Emotion Regulation and Cognitive Reappraisal on Stress Relief and Follow-Up Sleep Physiology.

Emotional stress throughout the day is known to affect objective sleep physiology and subjective sleep quality. In the interplay between emotions and sleep, emotion regulation plays a critical role in the recovery from stressful, emotional events and subsequent sleep. While the effects of top-down emotion regulation strategies such as cognitive reappraisal on sleep have been studied before, the impact of bottom-up emotion regulation strategies such as experiential emotion regulation is understudied. Cognitive reappraisal reflects the cognitive reinterpretation of the meaning of a stressful event, while experiential emotion regulation involves an active, non-intervening, accepting, open and welcoming approach of acknowledging awareness of raw sensory affective experiences or 'experiential awareness' in a first phase and expression in a second phase. The present study aims to investigate the effects of experiential emotion regulation and cognitive reappraisal on the recovery from pre-sleep emotional stress measured by (1) negative affect and (2) sleep structure. Sleep of forty-three healthy Dutch-speaking participants (22 females, 21 males) has been assessed using EEG polysomnography. Stress was triggered using a pre-sleep emotional failure induction, after which emotion regulation by experiential emotion regulation versus cognitive reappraisal versus control was induced twice. The control condition consisted of the reallocation of attention towards the neutral aspects of the emotional event. The results indicated that recovery from negative affect of the failure experience after single or repeated deployment of experiential emotion regulation and cognitive reappraisal was not significantly different from the control condition. Moreover, after repeated deployment, sleep physiology did not significantly differ between experiential emotion regulation, cognitive reappraisal, and the control condition in the impact of the regulation of the failure experience. The implications of the distinctive impact of experiential emotion regulation and cognitive reappraisal on both the pre-sleep emotional experience and follow-up sleep physiology are discussed.

Association Between Feeling Threatened, Behaviour and Symptoms of Anxiety and Depression: Two and a Half Years After the Terrorist Attacks in Belgium.

Feeling threatened by terrorism can be associated with mental health problems and behavioural changes. However, few studies look at the association in the long-term. Using a survey, the population in Brussels, Belgium was studied using a representative database delivered by the national post service. The Patient Health Questionnaire-4 (PHQ-4) assessed mental health, and self-made questions avoidance behaviour. 170 people answered: 60% women and 50% higher educated, 28.2% between 56 and 65 years and 62.4% had a partner. 43.5% felt threatened by the terrorist attacks and 45.9% experienced no mental health problems. Both terrorist threat (p < 0.001) and avoidance behaviour (p < 0.001) significantly predicted PHQ-4 scores, while controlling for gender, age, social support, education level, and traumatic events. There is a relation between terrorist threat and anxiety/depressive symptoms 2.5 years after the last study on terrorist threat in Brussels, but it has weakened. Avoidance behaviour seems to be more present than threat.

Suicide in Flanders, Belgium, after terrorist attacks.

Little is known about the association between terrorism and suicide. This study investigates suicide numbers in Flanders, Belgium before and after the Paris-attacks (13/11/2015) and Brussels-attacks (22/03/2016). Population mortality data for suicide were gathered from the Agency for healthcare. Suicides in Flanders, Belgium, were higher after both attacks. The increase was higher after the Paris-attacks, compared to the attacks in Brussels, Belgium. The effect of a close-by, but still foreign attack (the Paris-attacks in France) on suicide numbers is larger than that of an attack inside the country (the Brussels-attacks), possibly due to a difference in threat experience and coping possibilities.

Emotion regulation ability compensates for the depression-related negativity bias.

Emotion regulation ability (ERA) enables individuals to disengage from negative stimuli. In this study, we investigated the role of ERA in the depression-related negativity bias. Seventy-four individuals with major depressive disorder and eighty-three nonclinical individuals were screened for depressiveness using the Beck Depression Inventory. ERA was assessed using the Action Orientation After Failure Subscale of the Action Control Scale. We used a classical Stroop task variant, wherein the color words were preceded by either a self-relevant positive (success-related), negative (failure-related), or neutral word prime. The expected depressiveness × emotional prime interaction did not reach significance but the expected ERA × emotional prime interaction did. The latter effect was qualified by a three-way interaction between ERA, depressiveness, and emotional prime. Specifically, ERA predicted the negativity bias in individuals with high depressiveness scores. Using the Johnson-Neyman technique, we found that this effect was significant at the level of mild to moderate depression and beyond. Thus, poor ERA in individuals with depression may cause the depression-related negativity bias, whereas (at least) moderate ERA may protect individuals with depression from this bias. Future studies should assess ERA in individuals with depressive symptomatology and investigate how it influences their everyday functioning and treatment outcomes.

Neural networks in bottom up 'experiential emotion regulation'.

Emotion regulation influences how and when we experience emotion, impacting our sense of self and well being. While previous brain research on emotion regulation has focused on gray matter correlates of emotion regulation, this study represents a first exploratory study on white matter integrity of brain networks of 'emotional approach' as a bottom up experiential emotion regulation-strategy. Responding to the gap between cognitive and affective approaches of emotion regulation, pertaining to some of the daily emotional stressors, the present study investigates brain pathways of individual differences in 'emotional approach', or the tendency to affectively acknowledge, understand and express emotional experience (cf. [1]). Diffusion tensor magnetic resonance imaging (DTI-MRI) measures of fractional anisotropy (FA) and mean diffusion (MD) evaluated dispositional emotion regulation in a group of 21 women with a 'high emotional approach' (HEA) (N = 11) and a 'low emotional approach' (LEA) (N = 10). HEA exhibited more FA of the cingulum, supporting emotion processing and emotion regulation, whereas LEA correlated to a higher FA in the right corticospinal tracts, supporting automatic action tendencies and a higher FA in the superior longitudinal fasciculus (SLF), supporting cognitive control and monitoring of emotion. LEA also correlated with an increase in MD in the body (p. = 0.05) and in the splenium of the corpus callosum (CC). A higher FA in the inferior longitudinal fasciculus (IFL) may indicate higher visual- affective integration within emotion processing, whereas more MD in the body and splenium of the CC decreases interhemispheric integration of emotional information within emotion processing and emotion regulation.

Questions and Emotions of Minors After Terrorist Attacks: A Qualitative Study Using Data from a Belgian Youth-Helpline.

Until now, there is little research on the experiences of indirectly exposed minors after terrorist attacks. This study sheds light on the emotions and questions of such indirectly exposed minors. A qualitative content analysis of secondary data gained from Awel, a youth-helpline, was performed until saturation. Data contained emotions and questions in chat conversations, with 30 minors (8-18 years old). Emotions included guilt, sadness, and especially fear of attacks on themselves, their family, or at school. Questions mostly focused on making sense of the attacks, and how to distinguish fantasy from reality. After an attack children and adolescents experienced a wide range of emotions, and seem to have difficulty to make sense of what happened. Teachers and parents can play an important role in buffering fears, and in offering contextual information and concrete answers.

Association between feeling threatened by a terrorist attack and subjective health: a web survey a week after the attacks of 22 March 2016 in Belgium.

Background: The wave of terrorist attacks over the past years in Europe and other regions may cause problems such as anxiety and depressive symptoms. Some studies suggest that perceived threat might also trigger physical health problems. Objective: To investigate the association between feeling threatened and subjective health during the week following a terrorist attack. Method: Online survey with a self-selected sample in the Belgian population one week after the terrorist attacks in 2016. Participants were invited through the Belgian media to fill in a questionnaire in Dutch, French or English on a website. The main outcomes were the association between 'feeling threatened' and subjective health problems. Perceived threat was measured with the question 'During the week after the attacks … Did you feel threatened?' Subjective health was measured by using standardized scales (ACSA, PHQ-4, PHQ-15). Results: A total of 2620 respondents completed the questionnaire, of whom 69.8% were female, 27.7% lived and 43.1% worked in Brussels. Gender, age, place of living and working, media exposure, religiousness and religious affiliation were associated significantly with higher perceived threat. A total of 21% of the respondents felt much or very much threatened during the week after the attacks. They reported significantly higher levels of mental and physical health problems. The most frequently reported problems were anxiety and depressive symptoms. The health problems that differentiated most markedly between those with low and high levels of perceived threat were fainting spells, chest pain and shortness of breath. Conclusion: In a self-selected sample of respondents, 'feeling threatened' was strongly associated with lower level of wellbeing and higher levels of mental and physical health problems. The most prevalent health problems were mental health problems but the most pronounced differences between people with low versus high levels of perceived threat were physical health problems.

Antecedentes: La ola de ataques terroristas en los últimos años en Europa y otras regiones puede causar problemas, tales como síntomas ansiosos y depresivos. Algunos estudios sugieren que la percepción de amenaza puede gatillar problemas de salud física.Objetivo: Investigar la asociación entre el sentimiento de amenaza y la salud subjetiva durante la semana siguiente a un ataque terrorista.Método: Una encuesta en línea con una muestra auto- seleccionada en la población Belga una semana después del ataque terrorista del 2016. Los participantes fueron invitados a través de los medios belgas a llenar un cuestionario en holandés, francés o inglés en un sitio web. Los resultados principales fueron la asociación entre 'el sentirse amenazado' y problemas de salud subjetivos. La amenaza percibida fue medida con la pregunta ¿"Durante la semana posterior a los ataques.se sintió amenazado?". La salud subjetiva fue medida usando escalas estandarizadas (ACSA, PHQ-4, PHQ-15).Resultados: 2.620 encuestados completaron el cuestionario, de los cuales 69,8% eran mujeres, 27,7% vivía en Bruselas y 43,1% trabajaba en esa ciudad. El género, la edad, lugar donde vive y trabaja, la exposición a los medios, religiosidad y pertenencia a una religión estuvieron asociados significativamente con mayor percepción de amenaza. Veintiún por ciento de los encuestados se sentían muy o mucho más amenazado durante la semana posterior a los ataques. Ellos reportaron niveles significativamente más elevados de problemas de salud mental y física. Los problemas más frecuentemente reportados fueron síntomas de ansiedad y depresivos. Los problemas de salud que diferenciaba más marcadamente entre aquellos con niveles bajos y altos de percepción de amenaza fueron desmayos, dolor en el pecho, y dificultades para respirar.Conclusiones: En una muestra auto-seleccionada de encuestados, el 'sentirse amenazado' se asoció fuertemente con niveles más bajos de bienestar y niveles más altos de problemas de salud mental y física. Los problemas de salud más prevalentes fueron los problemas de salud mental, pero las diferencias más pronunciadas entre las personas con niveles bajos versus niveles altos de amenaza percibida fueron los problemas de salud físicos.

Emotion, emotion regulation and sleep: An intimate relationship.

In recent years, research has witnessed an increasing interest in the bidirectional relationship between emotion and sleep. Sleep seems important for restoring daily functioning, whereas deprivation of sleep makes us more emotionally aroused and sensitive to stressful stimuli and events. Sleep appears to be essential to our ability to cope with emotional stress in everyday life. However, when daily stress is insufficiently regulated, it may result in mental health problems and sleep disturbances too. Not only does emotion impact sleep, but there is also evidence that sleep plays a key role in regulating emotion. Emotional events during waking hours affect sleep, and the quality and amount of sleep influences the way we react to these events impacting our general well-being. Although we know that daytime emotional stress affects sleep by influencing sleep physiology, dream patterns, dream content and the emotion within a dream, its exact role is still unclear. Other effects that have been found are the exaggeration of the startle response, decrease in dream recall and elevation of awakening thresholds from rapid eye movement (REM), REM-sleep, increased or decreased latency to REM-sleep, increase in percentage of REM-density, REM-sleep duration, as well as the occurrence of arousals in sleep as a marker of sleep disruption. Equally, the way an individual copes with emotional stress, or the way in which an individual regulates emotion may modulate the effects of emotional stress on sleep. The research presented here supports the idea that adaptive emotion regulation benefits our follow-up sleep. We thus conclude the current review with a call for future research in order to clarify further the precise relationship between sleep, emotion and emotion regulation, as well as to explain further how sleep dissolves our emotional stress.

Abnormal brain activation during threatening face processing in schizophrenia: A meta-analysis of functional neuroimaging studies.

Impairment of face perception in schizophrenia is a core aspect of social cognitive dysfunction. This impairment is particularly marked in threatening face processing. Identifying reliable neural correlates of the impairment of threatening face processing is crucial for targeting more effective treatments. However, neuroimaging studies have not yet obtained robust conclusions. Through comprehensive literature search, twenty-one whole brain datasets were included in this meta-analysis. Using seed-based d-Mapping, in this voxel-based meta-analysis, we aimed to: 1) establish the most consistent brain dysfunctions related to threating face processing in schizophrenia; 2) address task-type heterogeneity in this impairment; 3) explore the effect of potential demographic or clinical moderator variables on this impairment. Main meta-analysis indicated that patients with chronic schizophrenia demonstrated attenuated activations in limbic emotional system along with compensatory over-activation in medial prefrontal cortex (MPFC) during threatening faces processing. Sub-task analyses revealed under-activations in right amygdala and left fusiform gyrus in both implicit and explicit tasks. The remaining clusters were found to be differently involved in different types of tasks. Moreover, meta-regression analyses showed brain abnormalities in schizophrenia were partly modulated by age, gender, medication and severity of symptoms. Our results highlighted breakdowns in limbic-MPFC circuit in schizophrenia, suggesting general inability to coordinate and contextualize salient threat stimuli. These findings provide potential targets for neurotherapeutic and pharmacological interventions for schizophrenia.

Registered Replication Report: Strack, Martin, & Stepper (1988).

According to the facial feedback hypothesis, people's affective responses can be influenced by their own facial expression (e.g., smiling, pouting), even when their expression did not result from their emotional experiences. For example, Strack, Martin, and Stepper (1988) instructed participants to rate the funniness of cartoons using a pen that they held in their mouth. In line with the facial feedback hypothesis, when participants held the pen with their teeth (inducing a "smile"), they rated the cartoons as funnier than when they held the pen with their lips (inducing a "pout"). This seminal study of the facial feedback hypothesis has not been replicated directly. This Registered Replication Report describes the results of 17 independent direct replications of Study 1 from Strack et al. (1988), all of which followed the same vetted protocol. A meta-analysis of these studies examined the difference in funniness ratings between the "smile" and "pout" conditions. The original Strack et al. (1988) study reported a rating difference of 0.82 units on a 10-point Likert scale. Our meta-analysis revealed a rating difference of 0.03 units with a 95% confidence interval ranging from -0.11 to 0.16.

Athlete or athletic? Limited differential brain activation in person descriptions using nouns or adjectives.

Do differences between the syntactic categories of nouns and adjectives for describing persons translate into different patterns of brain activation? In this fMRI study, we compared reading person and object descriptions denoted by nouns or adjectives. Previous behavioral studies found that nouns, describing the more abstract construct of social categories, compared to adjectives, describing the more concrete construct of personality traits, have an impact on the inferences made about a person. Additionally, previous neuroimaging findings suggest that abstract constructs recruit a different pattern of brain activation, compared to more concrete constructs. Participants read sentences describing a protagonist by means of a noun or an adjective, as well as sentences describing objects through a noun or an adjective. The results revealed that reading nouns as opposed to adjectives showed increased activation in the left lingual gyrus for persons, and additionally in the right lingual gyrus for objects. The results indicate that there are limited differences in the processing of nouns and adjectives when describing persons.

Emotion regulation mediates the relationship between personality and sleep quality.

OBJECTIVE: Despite a long history of interest in personality as well as in the mechanisms that regulate sleep, the relationship between personality and sleep is not yet well understood. The purpose of this study was to explore how personality affects sleep. DESIGN: The present cross-sectional study, based on a sample of 1291 participants with a mean age of 31.16 years (SD = 12.77), investigates the impact of personality styles, assessed by the Personality Adjectives Checklist (PACL), on subjective sleep quality, as well as the possible mediation of this relationship by dispositional emotion regulation (ER) styles. RESULTS: The dispositional use of suppression was a quite consistent predictor of poor subjective sleep quality for individuals scoring high on Confident, Cooperative or Introversive personality traits, but low on Respectful personality traits. Although a positive relationship between reappraisal and subjective sleep quality was found, there was only little evidence for a relationship between the assessed personality styles and the use of cognitive reappraisal. CONCLUSION: The present results indicate that in the evaluation of subjective sleep, the impact of personality and ER processes, such as emotion suppression, should be taken into account.

Social attributions in patients with ventromedial prefrontal hypoperfusion.

Neuroimaging studies have demonstrated that the medial prefrontal cortex is involved in attributions on enduring and abstract trait characteristics of persons, but not in causal attributions of temporary here-and-now events. Moreover, the neural representation of trait information is thought to be located in the ventral part of the medial prefrontal cortex (vmPFC). In order to verify this latter finding, this study compared the performance of 8 patients with hypoperfusion of the vmPFC, 10 with hypoperfusion excluding the vmPFC and 15 healthy controls on trait and causal attribution questionnaires consisting of several events presented in brief written scenarios. We also investigated whether vmPFC hypoperfusion influenced the experienced intensity of the negative or positive valence of the events. Our results showed that patients with ventral hypoperfusion performed significantly worse on trait attributions in comparison with the non-vmPFC group and healthy controls. All groups performed equally well on causal attributions. These findings support previous research suggesting that the vmPFC is critically involved in enduring trait attribution, but not in temporary causal attribution. Considering the emotional experience of valence, the findings showed more intense valence ratings for negative events and persons. This confirms the role of the vmPFC in the modulation and regulation of negative emotions.

Causal attribution in individuals with subclinical and clinical autism spectrum disorder: An fMRI study.

This neuroimaging study compares brain activation during causal attribution to three different attribution loci (i.e., self, another person, and situation) across a typical population without (N = 20) or with subclinical autism spectrum symptoms (N = 18) and a clinical population with autism spectrum disorder (ASD; N = 11). While they underwent fMRI, all participants read short sentences describing positive and negative behaviors and thoughts of another person directed toward the participant (i.e., "you"). Participants were then asked to attribute these behaviors to themselves, the other person, or the situation. Behavioral measures revealed self-serving attributions (i.e., attributing positive events to the self, while attributing negative events externally from the self) in all three participant groups. Neural measures revealed a great deal of shared activation across the three attribution loci and across the three participant groups in the temporo-parietal junction, the posterior superior sulcus, and the precuneus. Comparison between groups revealed more widespread activation in both subclinical and clinical ASD participants, which may be indicative of the extraneural resources these participants invest to compensate their impairments.

Individual differences in subjective circadian flexibility.

The aim of this study was to evaluate individual differences in the subjective flexibility of the circadian system in a community sample, with respect to age, gender, chronotype, and sleepiness perceptions. An online questionnaire containing the Circadian Type Inventory, the Composite Scale of Morningness, the Pittsburgh Sleep Quality Index and the Epworth Sleepiness Scale was administered. In addition, participants performed a visuo-verbal judgment task to determine time-of-day variations in estimated sleepiness. We analyzed data of 752 participants, aged between 18 and 83 years, who reported good sleep quality, no sleep disturbances, no excessive daytime sleepiness, and no engagement in shiftwork. Our results suggest gender- and chronotype-related differences in the subjective flexibility of the circadian system. Subjective circadian flexibility was higher in men in comparison with women and was positively related to evening preference. Age was not associated with flexibility scores. Additionally, the subjective flexibility of the circadian system had an influence on estimated sleepiness profiles: individuals with a high flexibility displayed lower sleepiness estimations during the biological night in comparison to individuals with a low flexibility. These findings suggests that, next to known chronotype and other dispositional differences, subjective circadian flexibility should be taken into account when evaluating tolerance to activities associated with nighttime functioning (e.g. night shifts).