Reduced positive attentional bias in patients with borderline personality disorder compared with non-patients: results from a free-viewing eye-tracking study.

BACKGROUND: Attentional processes are important for regulating emotional states and coping with stressful events. Orientation of attention acts as filter for subsequent information processing. So far, only few eye-tracking studies have examined attentional processes during emotion perception in borderline personality disorder (BPD). In these studies, gaze behaviour was analysed during simultaneous or delayed evaluation of single stimuli. The objective of the present eye-tracking study was to investigate early and late attention allocation towards emotional facial expressions in patients with BPD and non-patients (NPs) based on a free-viewing paradigm, which allows to examine processes of self-generated attention deployment. METHODS: In a multiple-stimulus free-viewing task with facial expressions, i.e. happy, angry, sad, and neutral faces, presented simultaneously early and late attentional allocation was analysed in 43 patients with BPD and 43 age- and sex-matched NPs. We assessed study participants' trait anxiety, depressive symptoms, level of alexithymia, traumatic childhood experiences, and borderline symptoms. Entry time was used to measure initial gaze orientation, whereas dwell time was calculated as an index of late attention allocation. RESULTS: As could be expected, patients with BPD reported more anxiety, depressive symptoms, experiences of childhood maltreatment, and showed higher levels of alexithymia than NPs. Patients differed from NPs in dwell time on happy facial expressions but not in dwell time on angry, sad, and neutral expressions. Contrary to our hypothesis, patients did not differ from NPs concerning entry times on angry facial expressions. CONCLUSIONS: According to our results, patients with BPD show a reduced attentional preference for happy facial expression during free viewing compared to NPs. A decreased positive attentional bias at a late processing stage could be part of emotion regulation impairments and add to the vulnerability for negative affects in BPD, which represent core symptoms of the disorder. In contrast to previous eye-tracking research in BPD examining attention during evaluative processing, our dwell time data could be more indicative of self-generated, endogenously controlled attentional processes in emotion perception. The present data do not support an early vigilance for threatening social information in BPD.

The Influence of Instructional Constraints and Cognitive Control on the Positivity Bias and the Positivity Effect in Autobiographical Memory.

The positivity effect and the positivity bias were examined in voluntary and involuntary autobiographical memories in a sample of younger (n = 69, Mage = 23.2) and older adults (n = 57, Mage = 67.72). The positivity effect has been shown to be sensitive to instructional constraints and cognitive resources. Instructions were manipulated in the voluntary autobiographical memory condition such that participants were instructed to retrieve memories with different levels of constraints. Participants also completed two measures of cognitive control and an assessment of future time perspective. There was no evidence of the positivity effect or positivity bias once depressive symptoms were included as a covariate in the analyses, nor did cognitive control influence memory valence. Future time perspective did not mediate the relationship between age and memory valence. These results suggest that additional research should focus on potential variables that may influence the positivity effect and bias within autobiographical memories.

I don't feel sick: Cognitive and affective processing of self-health associations using the Implicit Association Test.

Measuring implicit associations of self-concept with health or illness attributes may offer valuable insight into the mechanisms entailing the perception of one's own health, as explicit measures of self-reported health are usually influenced by social desirability or response bias. In this study, healthy participants performed a modified version of the implicit association test (IAT) investigating implicit associations between the self and either health or illness related representations. Behaviorally, implicit associations dominated for self-health pairing, and their strength was inversely correlated with depressive traits. Neurally, concomitant EEG recording showed significant modulations of the P1, LPP, and N4 components evoked by such pairings, suggesting a facilitation of sensory responses to self-related stimuli and differential emotional processes engaged to integrate health versus illness information into self-related representations. These data offer new clues to better understand the cognitive and affective mechanisms underlying unrealistic optimism and pathological awareness of health conditions in various clinical populations.

Dispositional and Social Correlates of Digital Status Seeking Among Adolescents.

Social media have transformed peer relationships among adolescents, providing new avenues to attain online status indicators such as likes and followers. This study aimed to explore the associations between various dispositional and social factors and digital status-seeking behaviors among a sample of adolescents (N = 731; Mage = 14.69, 48.7 percent female), as well as explore potential gender differences in the examined associations. Sociometric nominations for digital status-seeking, likeability, and popularity were collected, and participants self-reported their social media use frequency, awareness of social media positivity bias, reward sensitivity, and gender. The findings revealed a positive relationship between sociometric popularity and digital status-seeking, whereas likeability displayed a negative association with digital status-seeking. These results emphasize the importance of distinguishing between different social status indicators in understanding online behaviors. Reward sensitivity did not show a significant link to digital status-seeking, and awareness of social media positivity bias heightened the likelihood of being nominated as a digital status-seeker. These findings underscore the need for further research, especially focusing on girls who appear to be more vulnerable to engaging in digital status-seeking behaviors.

More organized white matter is associated with positivity bias in older adults.

On average, healthy older adults prefer positive over neutral or negative stimuli. This positivity bias is related to memory and attention processes and is linked to the function and structure of several interconnected brain areas. However, the relationship between the positivity bias and white matter integrity remains elusive. The present study examines how white matter organization relates to the degree of the positivity bias among older adults. We collected imaging and behavioral data from 25 individuals (12 females, 13 males, and a mean age of 77.32). Based on a functional memory task, we calculated a Pos-Neg score, reflecting the memory for positively valenced information over negative information, and a Pos-Neu score, reflecting the memory for positively valenced information over neutral information. Diffusion-weighted magnetic resonance imaging data were processed using Tract-Based Spatial Statistics. We performed two non-parametric permutation tests to correlate whole brain white matter integrity and the Pos-Neg and Pos-Neu scores while controlling for age, sex, and years of education. We observed a statistically significant positive association between the Pos-Neu score and white matter integrity in multiple brain connections, mostly frontal. The results did not remain significant when including verbal episodic memory as an additional covariate. Our study indicates that the positivity bias in memory in older adults is associated with more organized white matter in the connections of the frontal brain. While these frontal areas are critical for memory and executive processes and have been related to pathological aging, more extensive studies are needed to fully understand their role in the positivity bias and the potential for therapeutic interventions.

Age-Related Differences in Mind Wandering: The Role of Emotional Valence.

OBJECTIVES: Older adults consistently report fewer experiences of mind wandering compared to younger adults. Aging is also associated with a shift in the emotional focus of our thoughts, with older adults tending to experience an increase in attention toward positive information, or a "positivity bias," relative to younger adults. Here, we tested if the positivity bias associated with aging can also predict age-related changes in the content of older adults' mind wandering. METHOD: Older adults and younger adults completed a go/no-go task with periodic thought probes to assess rates of emotionally valenced mind wandering. RESULTS: Older adults reported significantly less negatively and neutrally valenced mind wandering compared to younger adults, but there was no age difference in reports of positively valenced mind wandering. Overall rates of mind wandering predicted poorer task performance for both age groups: Individuals who mind wandered more, performed worse, but this did not differ by the emotional valence. Both older adults and younger adults showed similar in-the-moment performance deficits, with mind wandering reports being associated with worse immediate no-go accuracy and faster reaction times, consistent with mindless responding. DISCUSSION: Focusing on different dimensions of thought content, such as emotional valence, can provide new insight into age-related differences in mind wandering. Older adults' mind wandering reports were less negative and neutral compared to younger adults' reports suggesting a positivity bias for older adults. However, this positivity bias does not seem to affect task performance. We discuss the implications of the findings for mind wandering theories and the positivity bias.

Reduced Activity of Glutamatergic Neurons in the Prelimbic Medial Prefrontal Cortex Underlies the Inherent Aging-Related Physiological Reduction in Social Dominance.

Human society is aging, and the percentage of the population of older adults is increasing at an unprecedented rate. It is increasingly appreciated that social behaviors change with aging. One such example is the possible aging-related reduction in dominance status. This change has been thought to underlie older adults' peculiar vulnerability to fraud, which has become a major challenge in the present aging society. However, whether this change is an inherent physiological process, and, if so, its underlying microscopic physiological mechanism, is not known. This study used groups of mice in a design that minimized effects that could confound any inherent process of dominance and verified that social dominance does inherently reduce with aging. This study further identified an aging-related microscopic functional alteration, that is, a reduction in the activity of glutamatergic pyramidal neurons in the prelimbic medial prefrontal cortex; and established that this reduction in neuronal activity serves as an intrinsic physiological mechanism underlying the macroscopic aging-related reduction in dominance. This study, by exploiting modern neurobiological techniques, sheds light on our understanding of human social behaviors during aging and may help develop strategies to counter related social challenges among the older adults population.

Accentuate the positive: Evidence that context dependent self-reference drives self-bias.

There is abundant evidence of a self-bias in cognition, with prioritised processing of information that is self-relevant. There is also abundant evidence of a positivity-bias in cognition, with prioritised processing of information that is positively valenced (e.g., positive emotional expressions, rewards). While the effects of self-bias and positivity-bias have been well documented in isolation, they have seldom been examined in parallel, so it is unclear whether one or other of these stimulus classes is prioritised or whether they interact. Addressing this gap, the current research aimed to establish the relative primacy of self-bias and positivity-bias using a classification task that paired self-relevant information with emotional expressions (i.e., Expt. 1) or reward information (i.e., Expt. 2). When the self was paired with relatively more positive information (i.e., smiling faces or high reward) we found evidence of a self-bias but no evidence of a positivity-bias. Whereas when the self was paired with relatively less positive information (i.e., neutral faces or low reward) we found evidence of a positivity-bias but no evidence of a self-bias. These results suggest the relative primacy of prioritised processing is flexible, context dependent and might be caused by a drive towards self-enhancement and the self-positivity bias.

Signed and unsigned effects of prediction error on memory: Is it a matter of choice?

Adaptive decision-making is governed by at least two types of memory processes. On the one hand, learned predictions through integrating multiple experiences, and on the other hand, one-shot episodic memories. These two processes interact, and predictions - particularly prediction errors - influence how episodic memories are encoded. However, studies using computational models disagree on the exact shape of this relationship, with some findings showing an effect of signed prediction errors and others showing an effect of unsigned prediction errors on episodic memory. We argue that the choice-confirmation bias, which reflects stronger learning from choice-confirming compared to disconfirming outcomes, could explain these seemingly diverging results. Our perspective implies that the influence of prediction errors on episodic encoding critically depends on whether people can freely choose between options (i.e., instrumental learning tasks) or not (Pavlovian learning tasks). The choice-confirmation bias on memory encoding might have evolved to prioritize memory representations that optimize reward-guided decision-making. We conclude by discussing open issues and implications for future studies.

Effectiveness of Enhanced Self-Positivity Bias Training in Mitigating Depressive Mood following Negative Life Events.

The phenomenon of self-positivity bias refers to the common tendency for individuals to perceive themselves in a more positive light than is objectively warranted. The current study seeks to investigate the impact of enhanced self-positivity bias on depressive mood resulting from negative life events. The study included two experiments, a resistance experiment (exp. 1) and an improvement experiment (exp. 2), with 40 randomly selected college students randomly assigned to either a self-positive bias training group or a neutral training group in each experiment. In the resistance experiment, self-positive bias training was conducted before failure feedback, while in the improvement experiment, it was conducted after failure feedback. The results showed that failure feedback significantly increased depression levels among college students, and self-positive bias training improved the level of self-positive bias. In the resistance experiment, there was no significant difference between the self-positive bias training group and the neutral training group regarding depression. However, in the improvement experiment, being in the self-positive bias training group had a significantly greater effect on improving depression compared to the neutral training group. Overall, the findings suggest that while self-positive bias training cannot prevent depression caused by failure events, it has a positive effect on improving depression.

Bias and constructive processes in a self-memory system.

Martin Conway's influential theorising about the self-memory system (Conway, M. A., & Pleydell-Pearce, C. W. (2000). The construction of autobiographical memories in the self-memory system. Psychological Review, 107(2), 261-288) illuminated how the "working self" influences the construction of autobiographical memories. Moreover, his constructive view of self and memory is compatible with the occurrence of various kinds of errors and distortions in remembering. Here we consider one of the "seven sins" of memory Schacter, D. L. (2021). The seven sins of memory updated edition: How the mind forgets and remembers. Houghton Mifflin Harcourt) that we believe is most closely related to the operation of Conway's self-memory system: bias, which refers to the role of current knowledge, beliefs, and feelings in shaping and sometimes distorting memories for past experiences and attitudes. More specifically, we discuss recent research on three forms of bias - consistency, self-enhancing, and positivity biases - that illuminate their role in influencing how people remember the past and also imagine the future. We consider both theoretical and applied aspects of these biases and, consistent with Conway's perspective, argue that despite sometimes contributing to inaccuracies, bias also serves adaptive functions.

Does first-hand evidence undermine young children's initial trust in positive gossip? Evidence from 5- to 6-year-old children.

What happens when children have formed an impression of a peer based on prior gossip, but later learn from direct observation that the gossip is untrue? We interviewed seventy 5- and 6-year-old children in Zhejiang, China. They first heard conflicting positive and negative gossip about an absent third party, and subsequently learned which piece of gossip was true. Initially, both 5- and 6-year-old children tended to endorse the positive rather than the negative gossip. However, when they learned about the inaccuracy of the positive gossip based on their own direct observation, 6-year-old children subsequently doubted it, whereas 5-year-old children showed no such shift. Taken together, the results show that when children decide what gossip to believe, they are initially swayed by its valence but with age they increasingly weigh gossip in relation to their own direct observation.

How COVID-19 News Affect Older Adults' Mental Health-Evidence of a Positivity Bias.

BACKGROUND: Media affects the trajectory of many individuals' mental health-with media news, individuals experience negative bias more than positive bias. However, there is also evidence of an age-related positivity effect, with negativity bias generally fading with age. With the rise of COVID-19 cases, older adults (aged 55 years and older) who consume media frequently are at a high risk for declining mental health. To date, there has been no research on the positivity vs. negativity bias of media news on older adults. Here, we investigated whether positivity or negativity bias plays a larger role in affecting how older adults react to COVID-19 news. METHODS: Sixty-nine older adults (aged 55-95) answered questions about their weekly media consumption and how closely they followed news relating to COVID-19. They also completed a general health questionnaire. They were then randomly assigned to read either positive or negative COVID-19 news (n = 35 and 34, respectively). The adults were asked if the news made them feel happy or fearful, and if they wanted to read more about the news or ignore the news. RESULTS: An analysis revealed that the more often older adults consumed media and the more closely they followed COVID-19 news, the more they felt unhappy and depressed. Importantly, older adults who read positive news reported stronger responses than those who read negative news. Older adults appeared to have a strong positivity bias for COVID-19 news, reporting feeling happy and wanting to read about positive news. In contrast, negative COVID-19 news did not evoke similar levels of response from the older adults. CONCLUSIONS: Media consumption of COVID-19 news does negatively impact the mental well-being of older adults, but older adults appear to have a strong positivity bias and a lack of negativity bias for COVID-19 news. These findings suggest that older adults can remain hopeful and positive during periods of public health crises and intense stress, which is essential to sustaining their mental well-being during difficult times.

What makes Voldemort tick? Children's and adults' reasoning about the nature of villains.

How do children make sense of antisocial acts committed by evil-doers? We addressed this question in three studies with 434 children (4-12 years) and 277 adults, focused on participants' judgments of both familiar and novel fictional villains and heroes. Study 1 established that children viewed villains' actions and emotions as overwhelmingly negative, suggesting that children's well-documented positivity bias does not prevent their appreciation of extreme forms of villainy. Studies 2 and 3 assessed children's and adults' beliefs regarding heroes' and villains' moral character and true selves, using an array of converging evidence, including: how a character felt inside, whether a character's actions reflected their true self, whether a character's true self could change over time, and how an omniscient machine would judge a character's true self. Across these measures, both children and adults consistently evaluated villains' true selves to be more negative than heroes'. Importantly, at the same time, we also detected an asymmetry in the judgments, wherein villains were more likely than heroes to have a true self that differed from their outward behavior. More specifically, across the ages studied participants more often reported that villains were inwardly good, than that heroes were inwardly bad. Implications, limitations, and directions for future research are discussed in light of our expanding understanding of the development of true self beliefs.

An event-related potential study of self-positivity bias in native and foreign language contexts.

Self-positivity bias is a common psychological phenomenon in which individuals often associate positive information with themselves. However, little is known about how self-positivity bias is modulated by different language contexts (e.g., a first vs. second language). To this end, we analyzed behavioral and electrophysiological data to examine whether first or second languages play differential roles in the self-positivity bias effect. We used a modified self-positivity bias task which required Chinese-English bilinguals to judge strings of letters or characters as realwords or not and match associations between identity (self, other) and a geometric shape (circle, triangle). The target words in the experiment consisted of positive, negative, and neutral emotional words. The results showed that in the L2 context, the self-positivity condition elicited a smaller N400 effect relative to the self-negativity condition and a larger late positive component effect relative to the self-negativity and self-neutrality conditions. Furthermore, the other-positivity condition elicited a stronger N400 effect than the other-neutrality condition. These patterns did not emerge in the L1 context. We discuss the implications and contributions of these findings to better understand the interaction between emotion and self-concept in different language contexts.

Influence of nutrition claims on different models of front-of-package nutritional labeling in supposedly healthy foods: Impact on the understanding of nutritional information, healthfulness perception, and purchase intention of Brazilian consumers.

Nutrition claims are positive information about foods, which are widely used as a marketing strategy on labels. On the contrary, front-of-package nutritional labeling (FoPNL) aims to make it easier for consumers to understand the nutritional composition of foods and favor healthy food choices. However, the concomitant presence of nutrition claims and FoPNL may hinder the understanding, judgment, and choices of consumers at the moment of purchase. Therefore, the objective of this study was to evaluate the influence of nutrition claims on the efficacy of FoPNL models in the understanding of nutritional information, healthfulness perception, and purchase intention of Brazilian consumers. It was an experimental cross-sectional study carried out using an online questionnaire, with a total of 720 participants randomly divided into four FoPNL conditions: control, octagon, triangle, and magnifying glass. Each participant looked at 12 food packages, which were produced following the factorial design: (i) food category (cereal bar, whole grain cookies, and snacks); (ii) product type (containing one critical nutrient × containing two critical nutrients); and (iii) nutrition claims (present × absent). The comprehension of nutritional information was evaluated through the identification of excessive nutrients, and the healthfulness perception and purchase intention were evaluated using a seven-point scale. The results indicated that the presence of FoPNL increased the understanding of the information and reduced healthfulness perception and purchase intention. The presence of nutrition claims influenced the three outcomes, decreasing the probability of understanding information about food composition by 32% (OR 0.68, 95% confidence interval 0.58-0.78, p < 0.01) and significantly increasing (p < 0.05) average health scores (1.95-2.02) and purchase intention (2.00-2.05). Nonetheless, the interaction "FoPNL × claims" was not significant, which indicated that claims act independently. All FoPNL models were more effective than the control. For the least healthful type of product (two nutrients in excess), the octagon and triangle models were superior to the magnifying glass, regarding the outcome of healthfulness perception. The results prove the efficacy of FoPNL in consumer understanding and judgment. Despite the positive effects of FoPNL, it did not cancel the positivity bias generated by the claims.

Is academic writing becoming more positive? A large-scale diachronic case study of Science research articles across 25 years.

Academic writing is developing to be more positive. This linguistic positivity bias is confirmed in academic writing across disciplines and genres. The current research adopted sentiment analysis and examined the diachronic change in linguistic positivity in the full texts of 2,556 research articles published in Science in 25 years. The results showed that academic writing in research articles in the journal Science has become significantly more positive in the past 25 years. The findings of this study confirm linguistic positivity bias in academic writing based on empirical data from Science. Reasons for the increasingly positive language use in science articles might include the popularization of science, the growing number of researchers, and the difficulty of publishing in high-impact journals. Finally, this study discussed the implications of our findings for researchers, editors, and peer reviewers.

Disentangling Aging and Mood Effects on Emotional Memory.

Older adults tend to be in a more positive mood than young adults, and tend to remember positive information more often than negative information, yet the link between their positive mood and their positive memory bias has not often been explored. In this study, we manipulated young and older adults' moods prior to their completing an emotional memory task. For mood manipulation, young (n = 147) and older (n = 111) adults viewed a positive, negative, or neutral video lasting 3 min. To validate the mood induction, we collected self-reported ratings of valence and arousal (affective slider; Betella and Verschure, 2016) at baseline, after the video, and after the memory task. The memory task consisted of incidental encoding of 30 intermixed pictures (10 positive, 10 negative, 10 neutral valence), followed by free recall. The mood manipulation changed people's self-reported valence, yet it did not influence self-reported arousal. The memory task revealed a consistent negativity bias in young adults. Older adults recalled negative and positive pictures equally well in all conditions. After viewing a negative video, they recalled positive pictures more often than neutral pictures, but did not show the same advantage for negative pictures over neutral pictures. This positive memory advantage was weaker in the positive mood condition. Therefore, mood manipulation influenced in part older adults' emotional memory bias, showing some signs of mood incongruence which we discuss in terms of emotion regulation. This shows the importance of accounting for mood differences in studies on aging and memory. The robust age group differences support the view that the positivity effect in aging is the result of a negativity bias that fades with age.

Incomplete faces are completed using a more average face.

Facial first impressions are known to influence how we behave towards others. As a result of the COVID-19 pandemic, we often view incomplete faces due to the commonplace wearing of face masks. Previous research has shown that perceptions of attractiveness are often increased due to these coverings, with initial evidence suggesting that this may be caused by viewers using a mental representation of the average face to complete any missing information. Here, we directly address this hypothesis by presenting participants with incomplete faces (either the lower or upper half removed) and asking them to decide how they thought the actual, full face looked. Participants were able to manipulate the missing half of the face onscreen by increasing or decreasing the averageness of its shape. Our results demonstrated that participants did not select the original versions of the faces but instead chose more average versions when manipulating both the lower and upper face. Further, the typicality of the original image influenced responses, with less typical faces (in comparison with more typical ones) being completed using an even more average version of the missing half of the faces. Taken together, these findings provide the first direct evidence that people utilise an average/typical internal representation when inferring information about incomplete faces. This result has theoretical importance in terms of visual perception, as well as real-world relevance in a time where face masks are commonplace due to the COVID-19 pandemic.

Attention and regulation during emotional word comprehension in older adults: Evidence from event-related potentials and brain oscillations.

Older adults often show a positivity bias effect during picture processing, focusing more on positive than negative information. It is unclear whether this positivity bias effect generalizes to language and whether arousal matters. The present study investigated how age affects emotional word comprehension with varied valence (positive, negative) and arousal (high, low). We recorded older and younger participants' brainwaves (EEG) while they read positive/negative and high/low-arousing words and pseudowords, and made word/non-word judgments. Older adults showed increased N400s and left frontal alpha decreases (300-450 ms) for low-arousing positive as compared to low-arousing negative words, suggesting an arousal-dependent positivity bias during lexical retrieval. Both age groups showed similar LPPs to negative words. Older adults further showed a larger mid-frontal theta increase (500-700 ms) than younger adults for low-arousing negative words, possibly indicating down-regulation of negative meanings of low-arousing words. Altogether, our data supported the strength and vulnerability integration model of aging.