Theories link threat with right-wing political beliefs; our findings show that political beliefs and perceptions of threat are linked, but that the relationship is nuanced

Brandt, Mark J., Felicity M. Turner-Zwinkels, Beste Karapirinler, Florian van Leeuwen, Michael Bender, Yvette van Osch, and Byron G. Adams. 2019. “The Association Between Threat and Politics Depends on the Type of Threat, the Political Domain, and the Country.” PsyArXiv. September 24. doi:10.31234/osf.io/e9uk7

Abstract: Theories link threat with right-wing political beliefs. We use the World Values Survey (72,836 participants) to test how different types of threat (economic, violence, and surveillance) are associated with different types of political beliefs (social, economic, and political identification) across 42 different countries. The association between threat and political beliefs depends on the type of threat, the type of political beliefs, and the country. Economic threats tended to be associated with more left-wing economic beliefs, violence threats tended to be associated with more general right-wing beliefs, and surveillance threats tended to be associated with more right-wing economic beliefs and more left-wing social beliefs. Additional analyses explored how 24 country characteristics might help explain variation in the threat-political beliefs association; however, these analyses identified few cross-country characteristics that consistently helped. Our findings show that political beliefs and perceptions of threat are linked, but that the relationship is nuanced.

There is no number sense as traditionally conceived; neural substrates of number sense are more widely distributed than common consensus says, complicating the neurobiological evidence linking number sense to numerical abilities

Challenging the neurobiological link between number sense and symbolic numerical abilities. Eric D. Wilkey. Daniel Ansari. Annals of the New York Academy of Sciences, September 23 2019. https://doi.org/10.1111/nyas.14225

Abstract: A significant body of research links individual differences in symbolic numerical abilities, such as arithmetic, to number sense, the neurobiological system used to approximate and manipulate quantities without language or symbols. However, recent findings from cognitive neuroscience challenge this influential theory. Our current review presents an overview of evidence for the number sense account of symbolic numerical abilities and then reviews recent studies that challenge this account, organized around the following four assertions. (1) There is no number sense as traditionally conceived. (2) Neural substrates of number sense are more widely distributed than common consensus asserts, complicating the neurobiological evidence linking number sense to numerical abilities. (3) The most common measures of number sense are confounded by other cognitive demands, which drive key correlations. (4) Number sense and symbolic number systems (Arabic digits, number words, and so on) rely on distinct neural mechanisms and follow independent developmental trajectories. The review follows each assertion with comments on future directions that may bring resolution to these issues.

How Stress Affects Performance and Competitiveness Across Gender

How Stress Affects Performance and Competitiveness Across Gender. Jana Cahlíková, Lubomír Cingl, Ian Levely. Management Science, Jul 16 2019. https://doi.org/10.1287/mnsc.2019.3400

Abstract: Because many key career events, such as examinations and interviews, involve competition and stress, gender differences in response to these factors could help to explain the labor market gender gap. In a laboratory experiment, we manipulate psychosocial stress using the Trier Social Stress Test and confirm that this is effective by measuring salivary cortisol level and heart rate. Subjects perform in a real-effort task under both tournament and piece-rate incentives, and we elicit willingness to compete. We find that women under heightened stress perform worse than women in the control group when compensated with tournament incentives, whereas there is no treatment difference under piece-rate incentives. For men, stress does not affect output under competition or under piece rate. The gender gap in willingness to compete is not affected by stress, but stress decreases competitiveness overall, which is related to performance for women. Our results could explain gender differences in performance under competition, with implications for hiring practices and incentive structures in firms.

Disagreeable men produce higher-quality ejaculates: A Preliminary but Methodologically Improved Investigation of the Relationships Between Major Personality Dimensions and Human Ejaculate Quality

A Preliminary but Methodologically Improved Investigation of the Relationships Between Major Personality Dimensions and Human Ejaculate Quality. Tara DeLecce et al. [in press, Personality and Individual Differences, September 2019]. toddkshackelford.com/downloads/Delecce-et-al-PAID.pdf

Abstract: Some research has reported relationships between personality dimensions and ejaculate quality, but this research has methodological limitations. In the current study, we investigated the relationships between six major personality dimensions and ejaculate quality in a design that offered several methodological improvements over previous research. Forty-fivefertile men provided two masturbatory ejaculates and completed a measure ofpersonality (HEXACO-60) assessing honesty-humility, emotionality, extraversion, agreeableness, conscientiousness, and openness to experience. Agreeablenesswas the only personality dimension associated with ejaculate quality,aftercontrolling statistically for participant age, Body Mass Index, and abstinence duration, and this association was negative. However, once the covariates of BMI, age, and abstinence duration were included in a hierarchical regression (along with the six personality dimensions), agreeableness was no longer a statistically significant predictor of ejaculate quality, although the direction of the relationship remained negative. The current study adds to previous research documenting that psychological attributes—including major dimensions of personality—may be associated with ejaculate quality. We highlight limitations of the current research and identify directions for future study.

Keywords: personality; agreeableness; ejaculate quality; semenanalysis; HEXACO

Greta Thunberg's zeal, as the press summarized her speech at the UN Climate Summit, Sep 23, 2019 — updated Jan 2020

Greta Thunberg's character, as the press summarized her speech at the UN Climate Summit, Sep 23, 2019:

"How dare you. You have stolen my dreams and my childhood with your empty words."

"This is all wrong. I shouldn’t be up here. I should be back in school on the other side of the ocean. Yet you all come to us young people for hope. How dare you."

"People are suffering. People are dying and dying ecosystems are collapsing. We are in the beginning of a mass extinction, and all you can talk about is the money and fairy tales of eternal economic growth," she said Monday, as she fought back tears. "How dare you! For more than 30 years the science has been crystal clear."

"You are failing us but young people are starting to understand your betrayal."

“The eyes of all future generations are upon you and if you choose to fail us, I say we will never forgive you.”

At the World Economic Forum annual meeting in Davos, Jan 2020:

“Our house is still on fire. Your inaction is fueling the flames by the hour, and we are telling you to act as if you loved your children above all else.”

Greetings in wild chimpanzees: Signals of submission (the greetings are started by the low-position individual)

Social relationships and greetings in wild chimpanzees (Pan troglodytes): use of signal combinations. Eva Maria Luef, Simone Pika. Primates, September 24 2019. https://link.springer.com/article/10.1007/s10329-019-00758-5

Abstract: Signals of submission, so-called ‘greetings’, represent an important tool for the regulation of social life in primates. In chimpanzees, vocalizations and gestures are commonly employed to communicate greetings, however, the topic of signal complexity (i.e., combinations of signals) during greeting instances has been neglected by research to date. Here, we investigate combinatorial possibilities in vocal greetings in a free-ranging group of chimpanzees (Pan troglodytes) and study how greeter sex, rank relationship between an interacting pair, and strength of the social bond of a greeting dyad influence signal complexity. Results show that the social bond and the dominance distance between individuals engaged in a greeting bout are important determiners for vocal combinations. The findings indicate that greeting signals in chimpanzees, like other vocal signals of the species, can become subject to social influences.

Keywords: Chimpanzees Pan troglodytes Ngogo Greeting Pant-grunt Combinations Repetitions

While praise from a manager has no effect, criticism negatively impacts workers' job satisfaction & perception of the task's importance; when female managers give opinion, the negative effects double for both male & female workers

Do Workers Discriminate against Female Bosses? Martin Abel. IZA Discussion Papers No. 12611, September 2019. https://www.iza.org/publications/dp/12611/do-workers-discriminate-against-female-bosses

Abstract: I hire 2,700 workers for a transcription job, randomly assigning the gender of their (fictitious) manager and provision of performance feedback. While praise from a manager has no effect, criticism negatively impacts workers' job satisfaction and perception of the task's importance. When female managers, rather than male, deliver this feedback, the negative effects double in magnitude. Having a critical female manager does not affect effort provision but it does lower workers' interest in working for the firm in the future. These findings hold for both female and male workers. I show that results are consistent with gendered expectations of feedback among workers. By contrast, I find no evidence for the role of either attention discrimination or implicit gender bias.

Keywords: gender discrimination gig economy female leadership

Rolf Degen summarizing: Body and facial attractiveness were more important to men, whereas personality attractiveness was more important to women in real-life dating interactions

Sidari M, Lee A, Murphy S, Sherlock J, Barnaby D & Zietsch B (2019) Preferences for sexually dimorphic body characteristics revealed in a large sample of speed daters. Social Psychological and Personality Science, forthcoming. https://dspace.stir.ac.uk/handle/1893/30130

Abstract: While hundreds of studies have investigated the indices that make up attractive body shapes, these studies were based on preferences measured in the lab using pictorial stimuli. Whether these preferences translate into real-time, face-to-face evaluations of potential partners is unclear. Here 539 (275 female) participants in 75 lab-based sessions had their body dimensions measured before engaging in round-robin speed dates. After each date they rated each other’s body, face, personality, and overall attractiveness, and noted whether they would go on a date with the partner. Women with smaller waists and lower waist-to-hip ratios were found most attractive, and men with broader shoulders and higher shoulder-to-waist (or hips) ratios were found most attractive. Taller individuals were preferred by both sexes. Our results show that body dimensions associated with greater health, fertility, and (in men) formidability influence face-to-face evaluations of attractiveness, consistent with a role of intersexual selection in shaping human bodies

While journalists may indeed be biased toward telling certain types of stories, audience judgements may be biased as well: Rival partisans thought media attention was unfair with their views

Biased Gatekeepers? Partisan Perceptions of Media Attention in the 2016 U.S. Presidential Election. Mallory R. Perryman. Journalism Studies, Mar 27 2019. https://doi.org/10.1080/1461670X.2019.1598888

ABSTRACT: Deciding which stories to cover is an essential function of the press, and pundits and citizens commonly criticize journalists for these so-called “gatekeeping” choices. While journalists may indeed be biased toward telling certain types of stories, research on the hostile media perception (HMP) suggests that audience judgments about how journalists divvy up attention may be biased as well–shaped, at least in part, by partisan preferences. This study explores how partisanship impacted perceptions of media coverage among news consumers (N = 657) shortly before the 2016 U.S. presidential election. Results show that, across a variety of news stories involving the candidates, polling, and key election issues, rival partisans had diverging impressions of media attention that were not explained by differing news habits. A relative HMP pattern is evident when partisans evaluate how media allocate attention across news topics.

KEYWORDS: Audience perceptions, election news, gatekeeping, hostile media perception, partisanship, perceived bias, U.S. elections

Chimpanzees do not share, by themselves, the spoils with cooperators; the cooperators need to beg to get their reward

How chimpanzees (Pan troglodytes) share the spoils with collaborators and bystanders. Maria John et al. PLOS One, September 23, 2019. https://doi.org/10.1371/journal.pone.0222795

Abstract: Chimpanzees hunt cooperatively in the wild, but the factors influencing food sharing after the hunt are not well understood. In an experimental study, groups of three captive chimpanzees obtained a monopolizable food resource, either via two individuals cooperating (with the third as bystander) or via one individual acting alone alongside two bystanders. The individual that obtained the resource first retained most of the food but the other two individuals attempted to obtain food from the "captor" by begging. We found the main predictor of the overall amount of food obtained by bystanders was proximity to the food at the moment it was obtained by the captor. Whether or not an individual had cooperated to obtain the food had no effect. Interestingly, however, cooperators begged more from captors than did bystanders, suggesting that they were more motivated or had a greater expectation to obtain food. These results suggest that while chimpanzee captors in cooperative hunting may not reward cooperative participation directly, cooperators may influence sharing behavior through increased begging.

We Are Upright-Walking Cats: Human Limbs as Sensory Antennae During Locomotion

We Are Upright-Walking Cats: Human Limbs as Sensory Antennae During Locomotion. Gregory E. P. Pearcey and E. Paul Zehr. Physiology, Aug 7 2019. https://doi.org/10.1152/physiol.00008.2019

Abstract: Humans and cats share many characteristics pertaining to the neural control of locomotion, which has enabled the comprehensive study of cutaneous feedback during locomotion. Feedback from discrete skin regions on both surfaces of the human foot has revealed that neuromechanical responses are highly topographically organized and contribute to “sensory guidance” of our limbs during locomotion.

Chimpanzees, like human children, do not rely solely on their own actions to make use of novel causal relations, but they can learn causal sequences based on observation alone

Chimpanzees use observed temporal directionality to learn novel causal relations. Claudio Tennie. Primates, September 23 2019. https://link.springer.com/article/10.1007/s10329-019-00754-9

Abstract: We investigated whether chimpanzees use the temporal sequence of external events to determine causation. Seventeen chimpanzees (Pan troglodytes) witnessed a human experimenter press a button in two different conditions. When she pressed the “causal button” the delivery of juice and a sound immediately followed (cause-then-effect). In contrast, she pressed the “non-causal button” only after the delivery of juice and sound (effect-then-cause). When given the opportunity to produce the desired juice delivery themselves, the chimpanzees preferentially pressed the causal button, i.e., the one that preceded the effect. Importantly, they did so in their first test trial and even though both buttons were equally associated with juice delivery. This outcome suggests that chimpanzees, like human children, do not rely solely on their own actions to make use of novel causal relations, but they can learn causal sequences based on observation alone. We discuss these findings in relation to the literature on causal inferences as well as associative learning.

Keywords: Causal cognition Social learning Chimpanzees Action representation Simultaneous conditioning Primate cognition

Consumers view time-donations as morally better than money-donations because they perceive time-donations as signaling greater emotional investment in the cause & therefore better moral character

Johnson, Samuel G. B., and Seo Y. Park. 2019. “Moral Signaling Through Donations of Money and Time.” PsyArXiv. September 23. doi:10.31234/osf.io/tg9xs

Abstract: Prosocial acts typically take the form of time- or money-donations. Do third-parties differ in how they evaluate these different kinds of donations? Here, we show that consumers view time-donations as more morally praiseworthy than money-donations, even when the resource investment is comparable. This moral preference occurs because consumers perceive time-donations as signaling greater emotional investment in the cause and therefore better moral character; this occurs despite consumers’ belief that time-donations are less effective than money-donations (Study 1). The more signaling power of time-donations has downstream implications for interpersonal attractiveness in a dating context (Study 2) and for donor decision-making (Study 3). Moreover, donors who are prompted with an affiliation rather (versus dominance) goal are likelier to favor time-donations (Study 3). However, reframing money-donations in terms of time (e.g., donating a week’s salary) reduced and even reversed these effects (Study 4). These results support theories of prosociality that place reputation-signaling as a key motivator of consumers’ moral behavior. We discuss implications for the charity market and for social movements, such as effective altruism, that seek to maximize the social benefit of consumers’ altruistic acts.

Humans may have evolved to experience far greater pain, malaise & suffering than the rest of the animal kingdom, due to their intense sociality giving them a reasonable chance of receiving help

The neuroscience of vision and pain: evolution of two disciplines. Barbara L. Finlay. Proceedings of the Royal Society B, Volume 374, Issue 1785, September 23 2019. https://doi.org/10.1098/rstb.2019.0292

Abstract: Research in the neuroscience of pain perception and visual perception has taken contrasting paths. The contextual and the social aspects of pain judgements predisposed pain researchers to develop computational and functional accounts early, while vision researchers tended to simple localizationist or descriptive approaches first. Evolutionary thought was applied to distinct domains, such as game-theoretic approaches to cheater detection in pain research, versus vision scientists' studies of comparative visual ecologies. Both fields now contemplate current motor or decision-based accounts of perception, particularly predictive coding. Vision researchers do so without the benefit of earlier attention to social and motivational aspects of vision, while pain researchers lack a comparative behavioural ecology of pain, the normal incidence and utility of responses to tissue damage. Hybrid hypotheses arising from predictive coding as used in both domains are applied to some perplexing phenomena in pain perception to suggest future directions. The contingent and predictive interpretation of complex sensations, in such domains as ‘runner's high’, multiple cosmetic procedures, self-harm and circadian rhythms in pain sensitivity is one example. The second, in an evolutionary time frame, considers enhancement of primary perception and expression of pain in social species, when expressions of pain might reliably elicit useful help.

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My comments: Could it be that those who experienced no pain died much more frequently (hemorrhages, internal damage, etc) than those who experienced pain and asked for support?

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From 2015... The unique pain of being human. Barbara Finlay. New Scientist, Volume 226, Issue 3020, May 9 2015, Pages 28-29. https://doi.org/10.1016/S0262-4079(15)30311-0

We seem to experience pain differently to other animals. Why, wonders neuroscientist Barbara Finlay

FOR years I worked in Brazil on the evolution of vision in primates and was often stationed near monkeys who had undergone caesarean sections. Their recovery was impressive – in stark contrast with my own after two
C-sections. Within hours, the monkeys would be sitting, climbing and annoying each other.

Looking at these unbothered monkeys, I began to think that some causes of the sensation of pain in humans might be fundamentally different to those in other animals.

The basic function of pain is the same for all vertebrates: it alerts an animal to potential damage and reduces activity after trauma. It is often argued that pain must be different in humans because of our ability to anticipate it or imagine its effects on us. But independent of whether cognition and culture can modify
pain, I am suggesting a more basic difference in humans compared with animals: that some varieties, such as labour pain, appear only in humans, and others such as posttrauma pain are magnified.

These forms of pain appear in tandem with the ability to recruit help, to elicit an altruistic response in others. By “help” I mean the simple protection and provisioning that parents supply to children, not medical intervention – although our medical interventions probably first grew from this basis. This view arises from work carried out nearly 50 years ago by pain researcher Patrick Wall. He was the first person to suggest a functional view of pain – that it should be understood as a mixture of sensation and the motivation to make it stop, not sensation alone. His starting point was the now wellresearched placebo effect. His account explained how rituals or procedures offered by a doctor or shaman, regardless of the efficacy or even existence of an actual treatment, could reduce pain.

But even with this early advocate for a functional view of it, studies of pain have mainly concentrated on receptors and specific clinical manifestations, while neglecting its purpose. Pain is a motivational signal to get an animal to do something – escape from a source of damage, protect a wound or devote energy to recovery. Wall argued that one of its roles in humans is as a motivation to seek help from some trusted source. When that goal is satisfied, pain is relieved.

I want to extend this view. I think that, over evolutionary time, several stimuli and situations that are not painful in other animals have come to be experienced as painful for humans. This is because our obvious distress elicits help from others and hence offers a survival advantage. This is distinct from the numerous demonstrations that context and culture can alter our sensation of pain. I argue that the primary circuitry of pain and malaise has been changed in human evolution in cases where getting help from others would be useful.

The pain of altruism

There is much indirect evidence in support of this “pain of altruism”. Take, for instance, the fact that certain types of pain are not associated with any physiological damage, and studies that show the presence of others can affect reported sensations of pain. Labour pain is another good example.

Across all human cultures, there are nearly always helpers, from relatives to medical professionals, who attend births. Giving birth is risky and help at any level improves survival. The cliché scenario of a mother from some exotic tribe going off to give birth alone is not unheard of, but is exceedingly rare. By contrast, among our primate relatives, solitary birth is the norm.

Human childbirth appears to be uniquely painful among members of the animal kingdom. Typically, scientists have accounted for this in terms of the size mismatch between the infant’s head and the mother’s pelvis, and not in terms of differences in social structure.

Human birth is dangerous, but we are not the only primates at risk – the smallest-bodied, large-brained monkeys, like marmosets, have similar head to pelvis disproportionality and birth-related mortality. Yet compared with humans, primates appear to give birth with little pain. Ungulates such as horses and cattle produce large, long-limbed offspring with a substantial chance of complications, but with little evidence of distress. Any such evidence, in fact, could prove fatal by alerting predators. So why is childbirth so painful for women? The source of labour pain is the contraction of the uterus and dilation of the cervix, but these are not damaging or pathological in themselves. Rather they predict a risky and potentially lethal event: the actual birth, to occur hours later. I suggest that protracted labour pains make us show distress and recruit help from others well in advance of the birth – a strategy that offers a survival advantage, as the offspring of those who seek help are more likely to survive.

But if the pain of labour is not linked to tissue damage and is primarily a call to enlist help, why does it have to be so excruciating? Helping someone in pain comes at a cost to the helper, and societies can’t afford to tolerate “cheating” in the form of excessive malingering or fake pain. I think that the pain of altruism may be connected to the concept of honest signalling in behavioural biology, whereby producing a signal has to be sufficiently costly to deter cheaters and freeloaders. Pain could be the obligatory cost of an honest signal, in the same way that a peacock’s tail or stag’s antlers are hard-to-fake signs of their owner’s underlying fitness.

However, since pain has no concrete physical manifestation that others can verify, cheating is difficult to eliminate – there is probably not one person reading this article who has never exaggerated pain or illness for their own benefit. If feeling pain to recruit the help of others is an evolutionarily assembled neural construct, this could be triggered in error. Perhaps this is what happens in the case of mysterious but distressing illnesses for which a direct physical cause cannot be found.

The pain of altruism also explains why malaise after trauma and infection are long and exaggerated for humans compared with laboratory mice. Mice, like most non-human animals, cannot provide the high level of social support needed to nurse an individual with an illness or a broken leg. Such injured animals must confine their energetically expensive immune response to the minimum time needed to survive without help.

It is also possible that this pain of altruism has been extended to domesticated livestock and pets, as they too can enlist human help. In contrast, most adult animals in the wild try to avoid showing disability or distress, which might attract rivals or predators.

Periods of extended illness might only be feasible in species where individuals protect and provide for others for such lengths of time. If help from others is the root cause of some types of pain, then this needs to be factored into our understanding of pain and disease. An evolutionary calculation that we cannot be aware of, rather than a specific physical cause, could be the source of much real agony.

Other Unexplained Agony
Pain exists to get an animal to change its behaviour. This functional account of pain may explain some ongoing mysteries, such as the cause of the muscle soreness that follows a day of intense exercise, which has eluded physiological explanation. The popular idea that it is due to the build-up of lactic acid has been discounted, as have other proposed theories. Bodybuilders have found that the optimal way to build muscle is to take a rest day after a strenuous workout. Perhaps nature has converged on the same idea, and muscle soreness is simply a signal to rest, to enable optimal muscle building.

Persistence of pain in humans and other mammals

Persistence of pain in humans and other mammals. Amanda C. de C. Williams. Proceedings of the Royal Society B, Volume 374, Issue 1785, September 23 2019. https://doi.org/10.1098/rstb.2019.0276

Abstract: Evolutionary models of chronic pain are relatively undeveloped, but mainly concern dysregulation of an efficient acute defence, or false alarm. Here, a third possibility, mismatch with the modern environment, is examined. In ancestral human and free-living animal environments, survival needs urge a return to activity during recovery, despite pain, but modern environments allow humans and domesticated animals prolonged inactivity after injury. This review uses the research literature to compare humans and other mammals, who share pain neurophysiology, on risk factors for pain persistence, behaviours associated with pain, and responses of conspecifics to behaviours. The mammal populations studied are mainly laboratory rodents in pain research, and farm and companion animals in veterinary research, with observations of captive and free-living primates. Beyond farm animals and rodent models, there is virtually no evidence of chronic pain in other mammals. Since evidence is sparse, it is hard to conclude that it does not occur, but its apparent absence is compatible with the mismatch hypothesis.