Saigle, Dubljevic, and Racine (2018) claim that Libet-style experiments are insufficient to challenge that agents have free will. They support this with evidence from experimen- tal psychology that the folk concept of freedom is consis- tent with monism, that our minds are identical to our brains. However, recent literature suggests that evidence from experimental psychology is less than determinate in this regard, and that folk intuitions are too unrefined as to provide guidance on metaphysical issues like monism. In light of (...) this, it is worthwhile to examine the authors’ insuf- ficiency claim under the assumption that monism is false and dualism true (our minds are not identical to our brains). We conclude that, were dualism true, then Libet- style experiments would tell us no more about freedom and moral responsibility than what the authors initially claimed, thus further bolstering their point that Libet-style experiments are ill-suited to speak to the free will of agents. In what follows we first discuss some of the reasons to be skeptical of using folk intuitions to make claims about the nature of freedom and moral responsibility. We then draw from the work of E. J. Lowe to demonstrate that Libet-style experiments would likely give the same results regardless of the truth of monism or dualism. (shrink)

Respect for autonomy has become a fundamental principle in human research ethics. Nonetheless, this principle and the associated process of obtaining informed consent do have limitations. This can lead to some groups, many of them vulnerable, being left understudied. This book considers these limitations and contributes through legal and philosophical analyses to the search for viable approaches to human research ethics. It explores the limitations of respect for autonomy and informed consent both in law and through the examination of cases (...) where autonomy is lacking (infants), diminished (addicts), and compromised (low socio-economic status). It examines alternative and complementary concepts to overcome the limits of respect for autonomy, including beneficence, dignity, virtue, solidarity, non-exploitation, vulnerability and self-ownership. It takes seriously the importance of human relationality and community in qualifying, tempering and complementing autonomy to achieve the ultimate end of human research - the good of humankind. (shrink)

An informed consent and voluntary assent in biomedical research with adolescents is contingent on a variety of factors, including adolescent and parent perceptions of research risk, benefit, and decision-making autonomy. Thirty-seven adolescents with asthma and their parents evaluated a high or low aversion form of a pediatric asthma research vignette and provided an enrollment decision; their perceptions of family influence over the participation decision; and evaluations of risk, aversion, benefit, and burden of study procedures. Adolescents and their parents agreed on (...) research participation decisions 74% of the time, yet both claimed ultimate responsibility for the participation decision. Both rated most study procedures as significantly more aversive than risky. Parents were more likely to rate aspects of the hypothetical study as beneficial and to provide higher risk ratings for procedures. Disagreements concerning research participation decisions and decision-making autonomy have implications for the exercise of voluntary assent in biomedical research. (shrink)

A sample of 460 low-income women completed a mate preference questionnaire and surveys that assessed family background, life history, conscientiousness, sexual motives, self-ratings (e.g., looks), and current circumstances (e.g., income). A cluster analysis revealed two groups of women: women who reported a strong preference for looks and money in a short-term mate and commitment in a long-term mate, and women who reported smaller differences across mating context. Group differences were found in reported educational levels, family background, sexual development, number of (...) children, and motives for having sex. Implications for understanding individual differences in women’s mate-preference trade-offs are discussed. (shrink)

© 2017. The American Astronomical Society. All rights reserved.We present new observations of the low-mass companion to HD 984 taken with the Gemini Planet Imager as a part of the GPI Exoplanet Survey campaign. Images of HD 984 B were obtained in the J and H bands. Combined with archival epochs from 2012 and 2014, we fit the first orbit to the companion to find an 18 au orbit with a 68% confidence interval between 14 and 28 au, an eccentricity (...) of 0.18 with a 68% confidence interval between 0.05 and 0.47, and an inclination of 119°with a 68% confidence interval between 114°and 125°. To address the considerable spectral covariance in both spectra, we present a method of splitting the spectra into low and high frequencies to analyze the spectral structure at different spatial frequencies with the proper spectral noise correlation. Using the split spectra, we compare them to known spectral types using field brown dwarf and low-mass star spectra and find a best-fit match of a field gravity M6.5 ±1.5 spectral type with a corresponding temperature of K. Photometry of the companion yields a luminosity of log=2.88 ± 0.07 dex with DUSTY models. Mass estimates, again from DUSTY models, find an age-dependent mass of 34 ±1 to 95 ±4 M Jup. These results are consistent with previous measurements of the object. (shrink)

This article focuses on the ways that sexual risk behaviors are related to race, class, and gender among low-income, culturally diverse women in South Florida. Data concerning sexual risk and gender are presented in terms of race and class variations. Results indicate that, in general, these women have a high degree of knowledge about acquired immune deficiency syndrome, a quite contemporary awareness of women's gendered subordination, and a lack of trust in heterosexual relationships. Attitudes, beliefs, and knowledge, however, are not (...) translated into sexual behaviors with men partners that would reduce their vulnerability to infection with the human immunodeficiency virus. The data indicate that race is a major factor that places women into an underclass position. Consequently, without socioeconomic resources, gendered behaviors have a direct influence on sexual risk. Multivariate analyses indicate that those women who are sex workers are significantly more likely to negotiate safe sex with clients than with main partners. The research not only challenges mainstream thinking about race, class, and gender but also provides overdue information on the vulnerability of women to HIV infection. (shrink)

_The Collected Works of G. Lowes Dickinson_ reissues nine titles from Dickinson's impressive oeuvre. The titles in question cover a range of topics, from Plato and the Greek view of life to civilisation and the causes of war.

First published in 1931, this book explores the nature and importance of Plato’s dialogues. The book was written for an audience of non-scholarly men and women who want to know something about one of the most remarkable thinkers of the Western world. The chapters were originally delivered as broadcast talks.

Emotion regulation (ER) strategies may reduce the negative relationship between math anxiety and mathematics accuracy, but different strategies may differ in their effectiveness. We recorded electrodermal activity (EDA) to examine the effect of physiological arousal on performance during different applied ER strategies. We explored how ER strategies might affect the decreases in accuracy attributed to physiological arousal in high math anxious (HMA) individuals. Participants were instructed to use cognitive reappraisal (CR), expressive suppression (ES), or a “business as usual” strategy. During (...) the ES condition, HMA individuals showed decreases in math accuracy associated with increased EDA, compared to low math anxious (LMA) individuals. For both HMA and LMA groups, CR reduced the association between physiological arousal and math accuracy, such that even elevated physiological arousal levels no longer had a negative association with math accuracy. These results show that CR provides a promising technique for ameliorating the negative relationship between math anxiety and math accuracy. (shrink)

People who score high in the jumping to conclusions bias (JTC) require relatively little evidence to reach highly confident conclusions. However, they often feel as though they have done ample research in informing their decisions. What factors could account for this discrepancy? The current research examines one potential factor: how individuals (with varying degrees of the JTC bias) generate hypotheses to explain uncertain events prior to searching for evidence. Study 1 demonstrated that high JTC participants generated fewer hypotheses but were (...) more confident that one was right (compared to low JTC participants). Study 2 showed that, when given the choice between generating alternative hypotheses and supporting initial hypotheses, individuals high in JTC chose to support their initial hypotheses more often. Thus, while the JTC bias is associated with limited hypothesising for unexplained events, it also corresponds with “doubling down” and investing research efforts in confirming initial hunches. (shrink)

Deep brain stimulation of the subthalamic nucleus is a clinically effective tool for treating medically refractory Parkinson’s disease, but its neural mechanisms remain debated. Previous work has demonstrated that STN DBS results in evoked potentials in the primary motor cortex, suggesting that modulation of cortical physiology may be involved in its therapeutic effects. Due to technical challenges presented by high-amplitude DBS artifacts, these EPs are often measured in response to low-frequency stimulation, which is generally ineffective at PD symptom management. This (...) study aims to characterize STN-to-cortex EPs seen during clinically relevant high-frequency STN DBS for PD. Intraoperatively, we applied STN DBS to 6 PD patients while recording electrocorticography from an electrode strip over the ipsilateral central sulcus. Using recently published techniques, we removed large stimulation artifacts to enable quantification of STN-to-cortex EPs. Two cortical EPs were observed – one synchronized with DBS onset and persisting during ongoing stimulation, and one immediately following DBS offset, here termed the “start” and the “end” EPs respectively. The start EP is, to our knowledge, the first long-latency cortical EP reported during ongoing high-frequency DBS. The start and end EPs differ in magnitude and latency, and the end, but not the start, EP magnitude has a significant relationship to ongoing high gamma power during the EP. These contrasts may suggest mechanistic or circuit differences in EP production during the two time periods. This represents a potential framework for relating DBS clinical efficacy to the effects of a variety of stimulation parameters on EPs. (shrink)

First published in 1930, this book presents an imagined account of conversation between Plato and ‘A Modern Young Man’. In the first part, political and social institutions are considered and property, forms of government, socialism, the control of population, war and education, are discussed. The second part examines the idea of real Goods including the concepts of truth, art and love. In this work, the author sees Plato reaffirming his belief that real Goods come from some higher world, which it (...) is the destiny of the spirits to pursue. (shrink)

The emergence of new obstetrical and neonatal technologies, as well as more aggressive clinical management, has significantly improved the survival of extremely low birth weight infants. This development has heightened concerns about the limits of viability. ELBW infants, weighing less than 1,000 grams and no larger than the palm of one's hand, are often described as of late twentieth century technology. Improved survivability of ELBW infants has provided opportunities for long-term follow-up. Information on their physical and emotional development contributes to (...) developing standards of practice regarding their care. (shrink)

First published in 1937, this book presents itself as a philosophic dialogue, starting with the diversity of men’s ideas about Good. In the first part, it considers the creation and criteria of Good and its relation to truth, pleasure and happiness. In the second part, the book examines some kinds of Good, pointing out their defects and limitations, and suggesting the character of Good which we might hold to be perfect. The topic of the book is treated both philosophically and (...) practically making it intriguing reading. (shrink)

This study aims to describe social network and social participation and to assess associations with depressive symptoms in older persons with increased risk for dementia in Germany. We conducted a cross-sectional observational study in primary care patients (aged 60-77) as part of a multicenter cluster-randomized controlled trial (AgeWell.de). We present descriptive and multivariate analyses for social networks (Lubben Social Network Scale and subscales) and social participation (item list of social activities) and analyze associations of these variables with depressive symptoms (Geriatric (...) Depression Scale). Of 1030 included patients, 17.2% were at risk for social isolation (Lubben Social Network Scale < 12). Looking at the subscales, a reduced non-family network was found almost twice as often as a reduced family network. Patients with depressive symptoms had significantly smaller social networks than patients without depression (p < 0.001). They rather engaged in social activities of low involvement level or no weekly social activity at all (p < 0.001). The study shows associations of depressive symptoms with a decreased social network and less social participation in elderly participants. Sufficient non-family contacts and weekly social activities seem to play an important role in mental health and should be encouraged in elderly primary care patients. (shrink)

Background:Evidence indicates that the processing of facial stimuli may be influenced by incidental factors, and these influences are particularly powerful when facial expressions are ambiguous, such as neutral faces. However, limited research investigated whether emotional contextual information presented in a preceding and unrelated experiment could be pervasively carried over to another experiment to modulate neutral face processing.Objective:The present study aims to investigate whether an emotional text presented in a first experiment could generate negative emotion toward neutral faces in a second (...) experiment unrelated to the previous experiment.Methods:Ninety-nine students (all women) were randomly assigned to read and evaluate a negative text (negative context) or a neutral text (neutral text) in the first experiment. In the subsequent second experiment, the participants performed the following two tasks: (1) an attentional task in which neutral faces were presented as distractors and (2) a task involving the emotional judgment of neutral faces.Results:The results show that compared to the neutral context, in the negative context, the participants rated more faces as negative. No significant result was found in the attentional task.Conclusion:Our study demonstrates that incidental emotional information available in a previous experiment can increase participants’ propensity to interpret neutral faces as more negative when emotional information is directly evaluated. Therefore, the present study adds important evidence to the literature suggesting that our behavior and actions are modulated by previous information in an incidental or low perceived way similar to what occurs in everyday life, thereby modulating our judgments and emotions. (shrink)

Our previous study has shown impaired blood oxygen level-dependent /functional magnetic resonance imaging activation of the visual attention network in strabismic amblyopia. However, there has been no comparison of resting state fMRI activation and functional connectivity in brain regions of interest along the visual attention network including visual cortex, intraparietal sulcus, and frontal eye fields during closed eye resting across the SA, or anisometropic amblyopes groups. Hence, we compared, gray matter volume, amplitude of low frequency fluctuations, regional homogeneity, and FC (...) in the left and right hemisphere ROIs of the visual attention network in SA, AA, and healthy controls. Correlation analyses of corrected visual acuity of amblyopic eye and MRI results were also performed and showed that the LogMAR cVA of the amblyopic eye positively correlated with right zALFF and zReHo FEF of SA and right IPS of AA only. GMV of both left and right hemisphere V1 areas was significantly greater but ALFF was significantly lower for SA compared to AA and HC groups. zALFF and zReHo analyses in the AA and SA groups indicated significantly higher activation than that in the HC group in the right FEF and IPS but lower than that in the HC group in the left FEF, and only the SA group showed lower activation in both V1 areas than the HC group. FC values of the right FEF–left V1, right FEF–right V1, and right FEF–right IPS pathways in the SA and AA groups were also significantly higher than those in the HC group whereas all other FC values were non-significant. Thus, this study indicates that even during resting-state the visual attention network function is impaired in SA and AA participants with only right hemisphere FEF showing significant activation in SA and IPS in AA suggesting that the slower saccade activation times characteristic of amblyopic eyes lead to the dominant eye controlling activation of the visual attention network. (shrink)

What motivates grandparents to their altruism? We review answers from evolutionary theory, sociology, and economics. Sometimes in direct conflict with each other, these accounts of grandparental investment exist side-by-side, with little or no theoretical integration. They all account for some of the data, and none account for all of it. We call for a more comprehensive theoretical framework of grandparental investment that addresses its proximate and ultimate causes, and its variability due to lineage, values, norms, institutions (e.g., inheritance laws), and (...) social welfare regimes. This framework needs to take into account that the demographic shift to low fecundity and mortality in economically developed countries has profoundly altered basic parameters of grandparental investment. We then turn to the possible impact of grandparental acts of altruism, and examine whether benefits of grandparental care in industrialized societies may manifest in terms of less tangible dimensions, such as the grandchildren's cognitive and verbal ability, mental health, and well-being. Although grandparents in industrialized societies continue to invest substantial amounts of time and money in their grandchildren, we find a paucity of studies investigating the influence that this investment has on grandchildren in low-risk family contexts. Under circumstances of duress there is converging evidence that grandparents can provide support that helps to safeguard their children and grandchildren against adverse risks. We conclude by discussing the role that grandparents could play in what has been referred to as Europe's demographic suicide. (shrink)

The philosophically rich David Bowie is an artist of wide and continuing influence. The theatrical antics of Bowie ushered in a new rock aesthetic, but there is much more to Bowie than mere spectacle. The visual belies the increasing depths of his concerns, even at his lowest personal moments. We never know what lies in store in a Bowie song, for there is no point in his nearly 30 albums at which one can say, "That's typical Bowie!" Who else (...) has combined techno and hard rock, switched to R&B love songs (with accompanying gospel) to funk to jazz-rock fusion and back again? Among the topics explored inDavid Bowie and Philosophy are the nature of Bowie as an institution and a cult; Bowie's work in many platforms, including movies and TV; Bowie's spanning of low and high art; his relation to Andy Warhol; the influence of Buddhism and Kabuki theater; the recurring theme of Bowie as a space alien; the dystopian element in Bowie's thinking; the role of fashion in Bowie's creativity; the aesthetics of theatrical rock and glam rock; and Bowie's public identification with bisexuality and hisinfluence within the LGBTQ community. (shrink)

BackgroundThe use of great apes (GA) in invasive biomedical research is one of the most debated topics in animal ethics. GA are, thus far, the only animal group that has frequently been banned from invasive research; yet some believe that these bans could inaugurate a broader trend towards greater restrictions on the use of primates and other animals in research. Despite ongoing academic and policy debate on this issue, there is no comprehensive overview of the reasons advanced for or against (...) restricting invasive research with GA. To address this gap, we conducted a systematic review of the reasons reported in the academic literature on this topic.MethodsSeven databases were searched for articles published in English. Two authors screened the titles, abstracts, and full texts of all articles. Two journals specialized in animal ethics, and the reference lists of included articles were subsequently also reviewed.ResultsWe included 60 articles, most of which were published between 2006 and 2016. Twenty-five articles argued for a total ban of GA research, 21 articles defended partial restrictions, and 14 articles argued against restrictions. Overall, we identified 110 reason types, 74 for, and 36 against, restricting GA research. Reasons were grouped into nine domains: moral standing, science, welfare, public and expert attitudes, retirement and conservation, respect and rights, financial costs, law and legal status, and longer-term consequences.ConclusionOur review generated five main findings. First, there is a trend in the academic debate in favor of restricting GA research that parallels worldwide policy changes in the same direction. Second, in several domains (e.g., moral standing, and respect and rights), the reasons were rather one-sided in favor of restrictions. Third, some prominent domains (e.g., science and welfare) featured considerable engagement between opposing positions. Fourth, there is low diversity and independence among authors, including frequent potential conflicts of interests in articles defending a strong position (i.e., favoring a total ban or arguing against restrictions). Fifth, scholarly discussion was not the norm, as reflected in a high proportion of non-peer-reviewed articles and authors affiliated to non-academic institutions. (shrink)

Rod photoreceptors are among the most sensitive light detectors in nature. They achieve their remarkable sensitivity across a wide variety of species through a number of essential adaptations: a specialized cellular geometry, a G‐protein cascade with an unusually stable receptor molecule, a low‐noise transduction mechanism, a nearly perfect effector enzyme, and highly evolved mechanisms of feedback control and receptor deactivation. Practically any change in protein expression, enzyme activity, or feedback control can be shown to impair photon detection, either by decreasing (...) sensitivity or signal‐to‐noise ratio, or by reducing temporal resolution. Comparison of mammals to amphibians suggests that rod outer‐segment morphology and the molecules and mechanism of transduction may have evolved together to optimize light sensitivity in darkness, which culminates in the extraordinary ability of these cells to respond to single photons at the ultimate limit of visual perception. (shrink)

In lieu of an abstract, here is a brief excerpt of the content:Aristotle on Pictures of Ignoble AnimalsDavid Socher (bio)The Poetics is a widely read, accessible classic. I think it has a minor flaw of some interest. In a well-known passage early in the Poetics, Aristotle is in error about pictures, or so I shall argue. He writes:And it is natural for all to delight in works of imitation. The truth of this second point is shown by experience: though the (...) objects themselves may be painful to see, we delight to view the most realistic representations of them in art, the forms for example of the lowest animals and of dead bodies. The explanation is to be found in a further fact: to be learning something is the greatest of pleasures not only to the philosopher but also to the rest of mankind, however small their capacity for it; the reason for the delight in seeing the picture is that one is at the same time learning — gathering the meaning of things, e.g. that the man there is so-and-so; for if one has not seen the thing before, one's pleasure will not be in the picture as an imitation of itbutwill be due to the execution or colouring or some similar cause.1I set out Aristotle's position as follows:1. It is natural to delight in imitation.2. In spite of it being unpleasant to look at a low animal, we delight in looking at an imitation of one — a picture.3. The pleasure in appreciating a picture comes from gathering the meaning, that is, recognizing the subject.4. Therefore if I look at a portrait of someone I don't know, I can't enjoy the imitation as such, because I don't recognize the person.5. And therefore if I do take pleasure in such a picture, it is not pleasure in the imitation as such but perhaps in the color, line, form, etc.My dispute is with points 4 and 5. Points 1 through 3 take for granted something that points 4 and 5 overlook and, in effect, deny: that is, that imitation comes in two levels: imitation of a kind and imitation of an individual. Aristotle illicitly slips from the first level to the second. The beginning of the [End Page 27] passage concerns imitations of, and fidelity to, a kind; the end concerns imitations of, and fidelity to, an individual.Before pursuing this complaint, a general remark: Aristotle's slip is a small one, incidental to his point. He speaks to the old paradox that "we enjoy the distress of tragedy."2 In bringing up pictures, he does not intend to dwell on them but is merely demonstrating the general principle that the very thing we find painful in the flesh can be enjoyed in make-believe.3 Why then, if the error is so small, discuss it at all? Because its examination reveals a significant distinction between types of picture, and because a minor slip in a major and influential classic is worth pointing out on that count alone.Let us look at the opening subject: pictures of ignoble animals — of snakes and snails and puppy dog tails. Are these portraits of individuals, like a portrait of the family dog or of the great racehorse Seabiscuit? No. The scientific spirit in us enjoys the most realistic representations of a fly, spider, and slug as an accurate anatomical rendering of a specimen sample, which is not a particular actual individual. It is the fidelity to its kind that we admire here (especially in times before photography). Examine, for example, the goal and the achievement of John Audubon. In his quest for accuracy, Audubon killed a dozen or so birds for each painting so as to always have a fresh model. Would anyone be so foolish as to ask Audubon if such a painting were a portrait of the fifth or of the sixth now-dead red-breasted robin? No, he preserves and presents visual knowledge of kinds, of the looks of kinds of thing.At the close of the passage, Aristotle discusses recognizing an acquaintance in a portrait. Had I not known him, I could only take... (shrink)

Experts often communicate probabilities verbally (e.g., unlikely) rather than numerically (e.g., 25% chance). Although criticism has focused on the vagueness of verbal probabilities, less attention has been given to the potential unintended, biasing effects of verbal probabilities in communicating probabilities to decision-makers. In four experiments (Ns = 201, 439, 435, 696), we showed that probability format (i.e., verbal vs. numeric) influenced participants’ inferences and decisions following a hypothetical financial expert’s forecast. We observed a format effect for low probability forecasts: verbal (...) probabilities were interpreted more pessimistically than numeric equivalents. We attributed the difference to directionality, a linguistic property that biases attention toward an outcome. In the high-probability conditions, the directionality of verbal and numeric probabilities aligned (both were positive), whereas they differed in the low-probability conditions (verbal probabilities were more negative). Participants inferred recommendations congruent with the communicated direction and these inferences mediated the effect of probability format on decisions. (shrink)

The notion of Socratic Note Taking is introduced to enhance students’ learning from assigned readings. SNT features students asking questions and answering their own questions while doing the readings. To test the effectiveness of SNT, half the students from two sections of a philosophy course were assigned SNT on alternating weeks. Quizzes each week alternated between the two classes as either high or low stakes in a counterbalanced format. The design was a 2 x 2 x 2 within-participants factorial. On (...) ten-point quizzes, SNT made an average difference of 1.22 points. Furthermore, the results indicate that SNT is particularly effective with weaker students, e.g., we found a nearly three-point increase on ten-point quizzes for the weakest students. (shrink)

Collaboration requires agents to coordinate their behavior on the fly, sometimes cooperating to solve a single task together and other times dividing it up into sub‐tasks to work on in parallel. Underlying the human ability to collaborate is theory‐of‐mind (ToM), the ability to infer the hidden mental states that drive others to act. Here, we develop Bayesian Delegation, a decentralized multi‐agent learning mechanism with these abilities. Bayesian Delegation enables agents to rapidly infer the hidden intentions of others by inverse planning. (...) We test Bayesian Delegation in a suite of multi‐agent Markov decision processes inspired by cooking problems. On these tasks, agents with Bayesian Delegation coordinate both their high‐level plans (e.g., what sub‐task they should work on) and their low‐level actions (e.g., avoiding getting in each other's way). When matched with partners that act using the same algorithm, Bayesian Delegation outperforms alternatives. Bayesian Delegation is also a capable ad hoc collaborator and successfully coordinates with other agent types even in the absence of prior experience. Finally, in a behavioral experiment, we show that Bayesian Delegation makes inferences similar to human observers about the intent of others. Together, these results argue for the centrality of ToM for successful decentralized multi‐agent collaboration. (shrink)