The embodied cognition theory and the motor component of “yes” and “no” verbal responses

Most of the experiments which give theories of embodied cognition their empirical anchorage only take into consideration the motor responses induced by the task or the motor component of the visual stimulus. And yet, these motor responses are often associated with a linguistic answer. Our hypothesis is that “YES” and “NO” verbal responses have a motor component. In a first experiment we showed that producing a verbal response (YES vs. NO) involves motor planning (pushing vs. pulling): participants push a lever more quickly when they have to answer “yes” than “no”, and conversely, they pull a lever more quickly when they have to answer “no” than “yes”. Moreover, in a second experiment, we showed that perceiving the words “YES” and “NO”, on its own, leads to the same motor planning than when “yes” and “no” answers actually have to be produced. Participants detect the word “YES” faster when they have to push a lever than when they have to pull it and conversely they detect the word “NO” faster when they have to pull the lever than when they have to push it down. These results are discussed in reference to “online” and “offline embodiment” concepts and to the cognitive linguistic theories.     

The contribution of the dorsolateral prefrontal cortex in full and divided encoding: a paired-pulse transcranial magnetic stimulation study

This research investigated the contribution of the dorsolateral prefrontal cortex (DLPFC) in the attentional resources in episodic encoding for both verbal and non-verbal material. Paired-pulse transcranial magnetic stimulations (TMS) were used to interfere transiently with either the left or right DLPFC during encoding under full attention (FA) or under divided attention (DA) in a recognition paradigm using words and random shapes. Participants recognized fewer items after TMS over the left DLPFC than over the right DLPFC during FA encoding. However, TMS over the left DLPFC did not impair performance when compared to sham condition. Conversely, participants produced fewer items after TMS over the right DLPFC in DA encoding compared to sham condition, but not compared to TMS over the left DLPFC. These effects were found for both words and random shapes. These results suggest that the right DLPFC play an important role in successful encoding with a concomitant task regardless of the type of material.     

Anodal transcranial direct current stimulation of right temporoparietal area inhibits self-recognition

Self–other discrimination is a crucial mechanism for social cognition. Neuroimaging and neurostimulation research has pointed to the involvement of the right temporoparietal region in a variety of self–other discrimination tasks. Although repetitive transcranial magnetic stimulation over the right temporoparietal area has been shown to disrupt self–other discrimination in face-recognition tasks, no research has investigated the effect of increasing the cortical excitability in this region on self–other face discrimination. Here we used transcranial direct current stimulation (tDCS) to investigate changes in self–other discrimination with a video-morphing task in which the participant’s face morphed into, or out of, a familiar other’s face. The task was performed before and after 20 min of tDCS targeting the right temporoparietal area (anodal, cathodal, or sham stimulation). Differences in task performance following stimulation were taken to indicate a change in self–other discrimination. Following anodal stimulation only, we observed a significant increase in the amount of self-face needed to distinguish between self and other. The findings are discussed in relation to the control of self and other representations and to domain-general theories of social cognition.     

A Systematic Review of the Effectiveness of Self-Compassion-Related Interventions for Individuals With Chronic Physical Health Conditions

Self-compassion, defined as a mindful way of coping with pain and suffering by showing kindness, care, and concern towards the self, may improve psychological adjustment in people living with a chronic physical health condition (CPHC). Various studies illustrate that self-compassion is associated with positive outcomes in general. The aim of this systematic review is to establish the effect of compassion-related therapies on self-compassion specifically in people with CPHCs. Secondary aims are to (a) establish the effect on other psychological and physiological outcomes and (b) explore the relative effectiveness of different therapy types among those identified. Cochrane, Embase, Medline, PsycINFO, and CINAHL databases were searched using “compassion” AND “chronic disease” AND “psychological outcomes” and their synonyms, from 2004 to March 2019. Eligible studies had an experimental design using a self-compassion scale with an adult population. Risk of bias (RoB) was assessed using the Cochrane RoB tool. Effect sizes were calculated for study outcomes. Fifteen studies, including a total of 1,190 participants, 7 different CPHCs, and 11 types of therapies, were included in the review. Nearly all included therapies significantly increased self-compassion with medium to large effect sizes, and reported positive outcomes, such as decreased depression. None of the therapy types appeared clearly superior to the others. Findings from this review show that included therapies increased self-compassion and improved various outcomes, which may represent clinically significant benefits for patients. However, there is a need to further understand how self-compassion exerts its benefits and determine the best methods to increase self-compassion.     

Sleep imaging and the neuro-psychological assessment of dreams

Recent neuroimaging studies show that human rapid-eye-movement (REM) sleep is characterized by a specific pattern of regional brain activity. Although this is usually interpreted in relation to physiological and cellular mechanisms, the specific regional distribution of brain activity during REM sleep might also be linked to specific dream features. Remarkably, several bizarre features of normal dreams have similarities with well-known neuropsychological syndromes after brain damage, such as delusional misidentifications for faces and places. We propose that neuropsychological analysis of dream content might offer new ways of interpreting neuroimaging maps of sleep, and make specific predictions for future neuroimaging studies.     

Childhood Maltreatment Increases the Risk of Intimate Partner Violence via PTSD and Anger Personality Traits in Individuals Consulting for Sexual Problems

Childhood maltreatment is a significant risk factor for the perpetration of intimate partner violence (IPV) in adulthood. This study tested, in a clinical sample, a conceptual model suggesting that childhood maltreatment contributes to the development of anger personality traits, directly and indirectly via posttraumatic stress disorder (PTSD), and that anger personality traits, in turn, are associated with IPV. Adults consulting for sex therapy (n = 114) completed self-report measures of childhood maltreatment, PTSD, anger, and IPV. Participants were exposed to high rates of childhood maltreatment (83%). Path analysis supported the hypothesized model: Exposure to child maltreatment was associated with anger personality traits, and this association was partially mediated by PTSD symptoms. Anger personality traits were highly correlated with IPV.     

The link between school climate and violence in school: A meta-analytic review

There has been significant interest in whether and how school climate and violent behavior are meaningfully related. The present meta-analysis reviewed studies reporting a relationship between school climate and school violence in order to summarize the total effect and the direction of these research findings. Database consultation and literature hand searching yielded 145 articles which were reviewed by two experts. Studies were included if they reported a statistical effect size of the relationship between school climate and school violence. Exclusion criteria were unclear operationalization of the principal variables, research findings from multiple publications, studies using multi-level analysis and qualitative studies. The meta-analysis included 36 independent studies (N = 113,778) with correlations ranging from ? .02 to ? .53. Using a random-effects model a moderate mean effect size of r = ? .26, CI [? 30, ? 21] was found. Statistical findings indicated significant heterogeneity and a large range of variance between studies. Meta-regressions analyzed different potential moderators as relevant factors of heterogeneity, but none of these factors could be identified as a moderator. Due to the large variance between the studies, it remains difficult to draw final conclusions. Nevertheless, the moderate effect size underlines the role of environmental aspects for school violence intervention.     

Children's racial bias in perceptions of others' pain

Previous research indicates that American adults, both Black and White, assume a priori that Black people feel less pain than do White people (Trawalter, Hoffman, & Waytz, 2012, PLoS One, 7 [11], 1–8). The present work investigates when in development this bias emerges. Five‐, 7‐, and 10‐year‐olds first rated the amount of pain they themselves would feel in 10 situations such as biting their tongue or hitting their head. They then rated the amount of pain they believed two other children – a Black child and a White child, matched to the child's gender – would feel in response to the same events. We found that by age 7, children show a weak racial bias and that by age 10, they show a strong and reliable racial bias. Consistent with research on adults, this bias was not moderated by race‐related attitudes or interracial contact. This finding is important because knowing the age of emergence can inform the timing of interventions to prevent this bias.