William James’s theory of emotion has been controversial since its inception, and a basic analysis of Cannon’s critique is provided. Research on the impact of facial expressions, expressive behaviors, and visceral responses on emotional feelings are each reviewed. A good deal of evidence supports James’s theory that these types of bodily feedback, along with perceptions of situational cues, are each important parts of emotional feelings. Extensions to James’s theory are also reviewed, including evidence of individual differences in the (...) effect of bodily responses on emotional experience. (shrink)

Recent work on a small European cave salamander (Proteus anguinus) has revealed that it has exceptional longevity, yet it appears to have unexceptional defences against oxidative damage. This paper comes at the end of a string of other studies that are calling into question the free‐radical damage theory of ageing. This theory rose to prominence in the 1990s as the dominant theory for why we age and die. Despite substantial correlative evidence to support it, studies in the last five (...) years have raised doubts over its importance. In particular, these include studies of mice with the major antioxidant genes knocked out (both singly and in combination), which show the expected elevation in oxidative damage but no impact on lifespan. Combined, these findings raise fundamental questions over whether the free‐radical damage theory remains useful for understanding the ageing process, and variation in lifespan and life histories.Editor's suggested further reading in BioEssays Blind cave salamanders age very slowly: A new member of Methuselah's Bestiary Abstract. (shrink)

Traditionally, empiricism has relied on the specialness of human observation, yet science is rife with sophisticated instrumentation and techniques. The present article advances a conception of empirical evidence applicable to actual scientific practice. I argue that this conception elucidates how the results of scientific research can be repurposed across diverse epistemic contexts: it helps to make sense of how evidence accumulates across theory change, how different evidence can be amalgamated and used jointly, and how the same (...) class='Hi'>evidence can be used to constrain competing theories in the service of breaking local underdetermination. (shrink)

Evidence accumulates that pre- and postnatally circulating estrogens play an active role in the differentiation of the female brain: the susceptible period for feminization of the brain seems to extend far beyond the period during which masculinization of the brain occurs. Thus, there is a need to reevaluate the widely accepted “concept of basic femaleness” in sexual brain differentiation.

The speed-accuracy trade-off effect refers to the behavioral trade-off between fast yet error-prone respones and accurate but slow responses. Multiple theories on the cognitive mechanisms behind SAT exist. One theory assumes that SAT is a consequence of strategically adjusting the amount of evidence required for overt behaviors, such as perceptual choices. Another theory hypothesizes that SAT is the consequence of the mixture of multiple categorically different cognitive processes. In this paper, these theories are disambiguated by assessing whether the fixed-point (...) property of mixture distributions holds, in both simulations and data. I conclude that, at least for perceptual decision making, there is no evidence for a mixture of different cognitive processes to trade off accuracy of responding for speed. (shrink)

Cancer research is experiencing ‘paradigm instability’, since there are two rival theories of carcinogenesis which confront themselves, namely the somatic mutation theory and the tissue organization field theory. Despite this theoretical uncertainty, a huge quantity of data is available thanks to the improvement of genome sequencing techniques. Some authors think that the development of new statistical tools will be able to overcome the lack of a shared theoretical perspective on cancer by amalgamating as many data as possible. We think instead (...) that a deeper understanding of cancer can be achieved by means of more theoretical work, rather than by merely accumulating more data. To support our thesis, we introduce the analytic view of theory development, which rests on the concept of plausibility, and make clear in what sense plausibility and probability are distinct concepts. Then, the concept of plausibility is used to point out the ineliminable role played by the epistemic subject in the development of statistical tools and in the process of theory assessment. We then move to address a central issue in cancer research, namely the relevance of computational tools developed by bioinformaticists to detect driver mutations in the debate between the two main rival theories of carcinogenesis. Finally, we briefly extend our considerations on the role that plausibility plays in evidence amalgamation from cancer research to the more general issue of the divergences between frequentists and Bayesians in the philosophy of medicine and statistics. We argue that taking into account plausibility-based considerations can lead to clarify some epistemological shortcomings that afflict both these perspectives. (shrink)

Evidence has recently been obtained suggesting that the accumulation of specific endogenous proteins by the nucleus is due both to facilitated transport across the envelope and intranuclear binding. Using recombinant DNA methodology, polypeptide domains containing the signals required for nuclear accumulation have been identified in several karyophilic proteins.

The speed‐accuracy trade‐off (SAT) effect refers to the behavioral trade‐off between fast yet error‐prone respones and accurate but slow responses. Multiple theories on the cognitive mechanisms behind SAT exist. One theory assumes that SAT is a consequence of strategically adjusting the amount of evidence required for overt behaviors, such as perceptual choices. Another theory hypothesizes that SAT is the consequence of the mixture of multiple categorically different cognitive processes. In this paper, these theories are disambiguated by assessing whether the (...) fixed‐point property of mixture distributions holds, in both simulations and data. I conclude that, at least for perceptual decision making, there is no evidence for a mixture of different cognitive processes to trade off accuracy of responding for speed. (shrink)

It can be demonstrated in a very straightforward way that confirmation and evidence as spelled out by us can vary from one case to the next, that is, a hypothesis may be weakly confirmed and yet the evidence for it can be strong, and conversely, the evidence may be weak and the confirmation strong. At first glance, this seems puzzling; the puzzlement disappears once it is understood that confirmation is of single hypotheses, in which there is an (...) initial degree of belief which is adjusted up or down as data accumulate, whereas evidence always has to do with a comparison of one hypothesis against another with respect to the data and is belief-independent. Confusing them is, we suggest, a plausible source of the so-called “base-rate fallacy” identified by Kahneman and Tversky which leads most of us to make mistaken statistical inferences. It is also in the background, or so we argue in some detail, of the important policy controversies concerning human-induced global warming. (shrink)

In his recent monograph [7], Professor Shafer has offered us an alternative to Bayesian inference with his novel theory of belief functions and, in his current paper [8], has characterized his position by pointing to two basic differences it shares with Bayesianism. First, belief functions are non-additive so that the degree of belief assigned to the disjunction ‘A1 or A2’ may be larger than the sum of the degrees of belief assigned to the separate disjuncts. Second, the theory of belief (...) functions has its own rule for determining the commitments to changes in degrees of belief when evidence is compounded. So, instead of the Bayesian postulate of conditionalization, that is, in place of using Bayes’ theorem to identify the commitments to changes in probability when evidence accumulates, the theory advocated by Professor Shafer relies on a proposal he traces to A.P.Dempster, which he calls Dempster’s rule for combination of belief functions. (shrink)

The parameters governing our behavior are in constant flux. Accurately capturing these dynamics in cognitive models poses a challenge to modelers. Here, we demonstrate a mapping of ACT-R's declarative memory onto the linear ballistic accumulator (LBA), a mathematical model describing a competition between evidence accumulation processes. We show that this mapping provides a method for inferring individual ACT-R parameters without requiring the modeler to build and fit an entire ACT-R model. Existing parameter estimation methods for the LBA can (...) be used, instead of the computationally expensive parameter sweeps that are traditionally done. We conduct a parameter recovery study to confirm that the LBA can recover ACT-R parameters from simulated data. Then, as a proof of concept, we use the LBA to estimate ACT-R parameters from an empirical dataset. The resulting parameter estimates provide a cognitively meaningful explanation for observed differences in behavior over time and between individuals. In addition, we find that the mapping between ACT-R and LBA lends a more concrete interpretation to ACT-R's latency factor parameter, namely as a measure of response caution. This work contributes to a growing movement towards integrating formal modeling approaches in cognitive science. (shrink)

The paper begins with an example of the accounting treatment afforded an Indefeasible Rights Use (IRU) Swap by Global Crossing. The case presents a typical example of ways in which accounting firms contributed to the ethical scandals of the early 21st century. While the behavior of Arthur Andersen, the accounting company in the case, might have met the letter of the law, we argue that it violated the spirit of the law, which can be discovered by looking at (1) the (...) legitimate goals of a company which give it its ethical direction and (2) the responsibilities of the accounting professionals who serve the company and the general public. Those professional responsibilities are determined by looking at the legitimate function those professionals fulfill in the economy. A further claim is that Andersen and other accounting firms are motivated to abandon the responsibilities derived from pursuing their proper goals by falling into the trap of accumulating wealth for its own sake. We argue that the ultimate responsibility of internal auditors is to develop statements that give as reasonably true and fair a picture of the financial situation to any user having a claim to that knowledge. Further we argue that the major responsibilities of the external auditor are: first, to be responsible to the using public for evaluating financial statements and declaring that they represent a fair picture of the financial situation of a company, and second, to be a watchdog of financial markets and call into question irregular practices that would distort those pictures. Such due professional care requires the auditor to exercise professional skepticism: an attitude that includes a questioning mind and a critical assessment of audit evidence. The paper concludes by giving particular examples of how Arthur Andersen LLP failed to meet those responsibilities. (shrink)

The evidence grid representation was formulated at the CMU Mobile Robot Laboratory in 1983 to turn wide angle range measurements from cheap mobile robot-mounted sonar sensors into detailed spatial maps. It accumulates diffuse evidence about the occupancy of a grid of small volumes of nearby space from individual sensor readings into increasingly confident and detailed maps of a robot's surroundings. It worked surprisingly well in first implementation for sonar navigation in cluttered rooms. In the past decade its use (...) has been extended to range measurements from stereoscopic vision and other sensors, sonar in very difficult specular environments, and other contexts. The most dramatic extension yet, from 2D grid maps with thousands of cells to 3D grids with millions, is underway. (shrink)

Since Ramsey, much discussion of the relation between probability and belief has taken for granted that there are degrees of belief, i.e., that there is a real-valued function, B, that characterizes the degree of belief that an agent has in each statement of his language. It is then supposed that B is a probability. It is then often supposed that as the agent accumulates evidence, this function should be updated by conditioning: BE(·) should be B(·E)/B(E). Probability is also important (...) in classical statistics, where it is generally supposed that probabilities are frequencies, and that inference proceeds by controlling error and not by conditioning. I will focus on the tension between these two approaches to probability, and in the main part of the paper show where and when Bayesian conditioning conflicts with error based statistics and how to resolve these conflicts. (shrink)

Research on evaluative conditioning (EC) shows that attitudes can emerge from co-occurrences of stimuli, and accumulating evidence suggests that EC usually depends on memory for these stimulus contingencies. Therefore, processes known to aid memory retention may be relevant for the development of stable attitudes. One such process may be memory consolidation, assumed to be promoted by waking rest and sleep. In two pre-registered experiments, we investigated whether waking rest (vs. cognitive activity, Experiment 1) and sleep (vs. wakefulness, Experiment 2) (...) in between conditioning and measurement of EC, consolidate contingency memory and EC. Contrary to our predictions, waking rest (vs. cognitive activity) promoted neither contingency memory nor EC effects. Sleep (vs. wakefulness) decreased forgetting of contingency memory but crucially, it did not attenuate the impact of counterconditioning on contingency memory. Sleep also did not influence EC effects, nor the reduction of EC by counterconditioning. EC effects in both experiments were predicted by contingency memory. Yet, unexpectedly, EC effects occurred in the absence of contingency memory after waking rest, but neither after sleep nor in the active control conditions. Our findings emphasise a role of contingency memory in EC, but it remains unclear whether this role changes during waking rest. (shrink)

. With an overall objective of establishing association between air pollutants and incidence of respiratory diseases, the environmental professionals and medical practitioners have made significant contribution, using statistical mechanics in modelling epidemiological data, population characteristics, and pollution parameters. Broadly speaking, the studies have shown that the increase in vehicular traffic has been one of the causes of respiratory diseases. However, the WHO Centre for Environment and Health, Europe in its 2005 document states: “There is little evidence for a causal (...) relationship between asthma prevalence/incidence and air pollution in general, though the evidence is suggestive of a causal association between the prevalence/incidence of asthma symptoms and living in close proximity to traffic”. Decision making process in a real world is invariably based on perceptions which are expressed in words or may be in numeric terms and not in probability terms. In the paper, we made an attempt to model the perceptions of experienced pulmonologists in arriving at their combined degree of belief/plausibility/ignorance for all the possible combinations of identified respiratory diseases, using evidence theory and fuzzy relational calculus without collecting sizeable parametric data accumulated over a period of years. Tightening pollution norms by the regulatory authorities is an overall objective of the global efforts on greenhouse gases reduction in general, and air pollution mitigation in particular. The concept of solar battery operated electric vehicles for road transport is advocated, initially for two/three wheelers, and extending it to four wheelers, especially in the developing countries. (shrink)

Science advances by means of argument and debate. Based on a formal model of complex argumentation, this article assesses the interplay between evidential and inferential drivers in scientific controversy, and explains, in particular, why both evidence accumulation and argumentation are veritistically valuable. By improving the conditions for applying veritistic indicators , novel evidence and arguments allow us to distinguish true from false hypotheses more reliably. Because such veritistic indicators also underpin inductive reasoning, evidence accumulation and (...) argumentation enhance the reliability of inductive inference, for example, inference to the best explanation. 1 Introduction2 Theory of Dialectical Structures3 Debate Simulations4 From Evidence and Arguments to Truth: The First Route5 From Evidence to Truth: The Second Route6 Conclusion. (shrink)

The paper begins with an example of the accounting treatment afforded an Indefeasible Rights Use Swap by Global Crossing. The case presents a typical example of ways in which accounting firms contributed to the ethical scandals of the early 21st century. While the behavior of Arthur Andersen, the accounting company in the case, might have met the letter of the law, we argue that it violated "the spirit of the law," which can be discovered by looking at the legitimate goals (...) of a company which give it its ethical direction and the responsibilities of the accounting professionals who serve the company and the general public. Those professional responsibilities are determined by looking at the legitimate function those professionals fulfill in the economy. A further claim is that Andersen and other accounting firms are motivated to abandon the responsibilities derived from pursuing their proper goals by falling into the trap of accumulating wealth for its own sake. We argue that the ultimate responsibility of internal auditors is to develop statements that give as reasonably true and fair a picture of the financial situation to any user having a claim to that knowledge. Further we argue that the major responsibilities of the external auditor are: first, to be responsible to the using public for evaluating financial statements and declaring that they represent a fair picture of the financial situation of a company, and second, to be a watchdog of financial markets and call into question irregular practices that would distort those pictures. Such due professional care requires the auditor to exercise "professional skepticism": an attitude that includes a questioning mind and a critical assessment of audit evidence. The paper concludes by giving particular examples of how Arthur Andersen LLP failed to meet those responsibilities. (shrink)

How, and how well, do people switch between exploration and exploitation to search for and accumulate resources? We study the decision processes underlying such exploration/exploitation trade‐offs using a novel card selection task that captures the common situation of searching among multiple resources (e.g., jobs) that can be exploited without depleting. With experience, participants learn to switch appropriately between exploration and exploitation and approach optimal performance. We model participants' behavior on this task with random, threshold, and sampling strategies, and find that (...) a linear decreasing threshold rule best fits participants' results. Further evidence that participants use decreasing threshold‐based strategies comes from reaction time differences between exploration and exploitation; however, participants themselves report non‐decreasing thresholds. Decreasing threshold strategies that “front‐load” exploration and switch quickly to exploitation are particularly effective in resource accumulation tasks, in contrast to optimal stopping problems like the Secretary Problem requiring longer exploration. (shrink)

O'Brien provides a critical assessment of Ernest Mandel's 1975 monograph Late Capitalism. In so doing, he offers a historical narrative that puts into question Mandel's framing of 'waves' of capitalist development as a process of capital accumulation that was dependent upon uneven development in the Third World. O'Brien starts by problematising Mandel's argument that an initial concentration of money, capital and bullion in the hands of Europeans explains combined and uneven development. He goes on to demonstrate that Mandel's notion (...) of imperialism as a necessary conduit for the flow of surplus capital from industrialising Europe does not stand up to the historical evidence. In fact, O'Brien maintains an alternative thesis, namely that these marginalised regions were insuffciently penetrated by European capital. (shrink)

Le développement du secteur privé et de la régulation par le marché à Cuba depuis dix ans questionne le projet de construction socialiste encore prôné par le pouvoir. Or, la concurrence inévitable entre le secteur d’État « socialiste » et le secteur privé marchand et capitaliste peut réduire à néant ce projet. En effet, la coexistence pacifique entre ces deux secteurs est illusoire. L’objectif de cet article est de mettre en évidence les modifications nécessaires des politiques économiques dans ce nouveau (...) contexte et de souligner l’importance d’appréhender le secteur productif privé comme un outil temporaire, permettant, à travers l’aliénation d’une partie de son surproduit, le développement du secteur socialiste. (shrink)

This paper situates the subprime crisis in the context of the performance of the American economy over the last twenty-five years. The restructuring of the US economy is briefly reviewed, followed by an examination of some of the contradictions of the neoliberal model. Particular emphasis is placed on understanding the reasons behind stagnant investment, and how the US finance-led accumulation-régime has become dependent upon, and threatened by, credit-creation delinked from the financing of fixed-capital formation. I argue that while the (...) defeat of the remnants of the New-Deal/Civil-Rights liberal-democratic coalition has provided the political context for the bold re-assertion of the prerogatives of capitalist owners, the neoliberal model has not provided a path out of problems of stagnation and growing debt-dependency that presently plague the US economy. Further, I argue that evidence suggests that the post-1982 restoration of profitability that underpinned the relative improvement of US economic performance has peaked, and that compelling historical and theoretical reasons exist to expect that the profit-rate will decline in the coming decade. This will introduce additional stresses on the current debt-structure of the US economy, triggering a period of prolonged crisis and economic dislocation. The conclusion is that the US economy faces the spectre of a protracted crisis associated with the reassertion of the falling rate of profit. (shrink)

Iowa Gambling Task (IGT) is one of the most widely used tools to assess economic decision-making. However, the research tradition on aging and the Iowa Gambling Task (IGT) has been mainly focused on the overall performance of older adults in relation to younger or clinical groups, remaining unclear whether older adults are capable of learning along the task. We conducted a meta-analysis to examine older adults’ decision-making on the IGT, to test the effects of aging on reversal learning (45 studies) (...) and to provide normative data on total and block net scores (55 studies). From the accumulated empirical evidence, we found an average total net score of 7.55 (± 25.9). We also observed a significant reversal learning effect along the blocks of the IGT, indicating that older adults inhibit the prepotent response towards immediately attractive options associated with high losses, in favor of initially less attractive options associated with long-run profit. During block 1, decisions of older adults led to a negative gambling net score, reflecting the expected initial pattern of risk-taking. However, the shift towards more safe options occurred between block 2 (small-to-medium effect size) and blocks 3, 4, 5 (medium-to-large effect size). These main findings highlight that older adults are able to move from the initial uncertainty, when the possible outcomes are unknown, to decisions based on risk, when the outcomes are learned and may be used to guide future adaptive decision-making. (shrink)

Adults and children spontaneously produce gestures while they speak, and such gestures appear to support and expand on the information communicated by the verbal channel. Little research, however, has been carried out to examine the role played by gesture in the listener's representation of accumulating information. Do listeners attend to the gestures that accompany narrative speech? In what kinds of relationships between gesture and speech do listeners attend to the gestural channel? If listeners do attend to information received in gesture, (...) how is this information represented— is it 'tagged' as originating in the gestural channel? In this article research is described that addresses these questions. Results show that listeners do attend to information conveyed in gesture, when that information supplements or even contradicts the information conveyed by speech. And information received via gesture is available for retelling in speech. These results are taken to demonstrate that gesture is not taken by the listener to be epiphenomenal to the act of speaking, or a simple manual translation of speech. But they also suggest that the information conveyed in a discourse may be represented in a manner that is neither gesture nor language, although accessible to both channels. (shrink)

This article outlines and appraises the considerable criticism of educational research, both in the United Kingdom and in North America, and shows how it has pointed to a narrowing of what counts as good or worthwhile research in the policy discourse. In particular, this involved prioritising research that purports to show clearly and unmistakably 'what works', and institutionalising this view of research in a range of centres that receive official approval. The article, though recognising the fruit of such centres, challenges (...) the epistemological basis of such a narrowing of what counts as research, and, in doing so, analyses what is meant by evidence, the different kinds and strengths of evidence and the consequent need to democratise the search and appraisal of evidence in the constant refinement and criticism of the evidence. (shrink)

The origin of severe acute respiratory syndrome coronavirus 2 (SARS‐CoV‐2) is the subject of many hypotheses. One of them, proposed by Segreto and Deigin, assumes artificial chimeric construction of SARS‐CoV‐2 from a backbone of RaTG13‐like CoV and receptor binding domain (RBD) of a pangolin MP789‐like CoV, followed by serial cell or animal passage. Here we show that this hypothesis relies on incorrect or weak assumptions, and does not agree with the results of comparative genomics analysis. The genetic divergence between SARS‐CoV‐2 (...) and both its proposed ancestors is too high to have accumulated in a lab, given the timeframe of several years. Furthermore, comparative analysis of S‐protein gene sequences suggests that the RBD of SARS‐CoV‐2 probably represents an ancestral non‐recombinant variant. These and other arguments significantly weaken the hypothesis of a laboratory origin for SARS‐CoV‐2, while the hypothesis of a natural origin is consistent with all available genetic and experimental data. (shrink)

The compulsive habit model proposed by Everitt and Robbins has accumulated important empirical evidence. One of their proposals is the existence of an axis, on which each a person with a particular addiction can be located depending on the evolutionary moment of his/her addictive process. The objective of the present study is to contribute in addressing the identification of such axis, as few studies related to it have been published to date. To do so, the use/abuse of Information and (...) Communication Technologies (ICT) was quantified on an initial sample of 807 subjects. Questionnaires were also delivered to measure impulsivity, compulsivity and symptoms of prefrontal dysfunction. Evidence of the existence of the proposed axis was obtained by means of Machine Learning techniques, thus allowing the classification of each subject along the continuum. The present study provides preliminary evidence of the existence of the Impulsivity-Compulsivity axis, as well as an IT tool so that each patient that starts getting treatment for an addiction can be statistically classified as “impulsive” or “compulsive.” This would allow the matching of each person with the most appropriate treatment depending on his/her moment in the addiction/abuse process, thus facilitating the individualized design of each therapeutic process and a possible improvement of the results of the treatment. (shrink)

Treatment-resistant symptoms complicate the clinical course of schizophrenia, and a large proportion of patients do not reach functional recovery. In consequence, polypharmacy is frequently used in treatment-refractory cases, addressing psychotic positive, negative and cognitive symptoms, treatment-emergent side effects caused by antipsychotics and comorbid depressive or obsessive-compulsive symptoms. To a large extent, such strategies are not covered by pharmacological guidelines which strongly suggest antipsychotic monotherapy. Add-on strategies comprise combinations of several antipsychotic agents and augmentations with mood stabilizers; moreover, antidepressants and experimental (...) substances are applied. Based on the accumulated evidence of clinical trials and meta-analyses, combinations of clozapine with certain second-generation antipsychotic agents and the augmentation of antipsychotics with antidepressants seem recommendable, while the augmentation with mood stabilizers cannot be considered superior to placebo. Forthcoming investigations will have to focus on innovative pharmacological agents, the clinical spectrum of cognitive deficits and the implementation of cognitive behavioral therapy. (shrink)

The way in which securities are traded is very different from the idealized picture of a frictionless and self-equilibrating market offered by the typical finance textbook. Market Liquidity offers a more accurate and authoritative take on liquidity and price discovery. The authors start from the assumption that not everyone is present at all times simultaneously on the market, and that even the limited number of participants who are have quite diverse information about the security's fundamentals. As a result, the order (...) flow is a complex mix of information and noise, and a consensus price only emerges gradually over time as the trading process evolves and the participants interpret the actions of other traders. Thus a security's actual transaction price may deviate from its fundamental value, as it would be assessed by a fully informed set of investors. This book takes these deviations seriously, and explains why and how they emerge in the trading process and are eventually eliminated. The authors draw on a vast body of theoretical insights and empirical findings on security price formation that have accumulated in the last thirty years, and have come to form a well-defined field within financial economics known as 'market microstructure.' Focusing on liquidity and price discovery, they analyze the tension between the two, pointing out that when price-relevant information reaches the market through trading pressure rather than through a public announcement, liquidity suffers. The book also confronts many puzzling phenomena in securities markets and uses the analytical tools and empirical methods of market microstructure to understand them. These include issues such as why liquidity changes over time, why large trades move prices up or down, and why these price changes are subsequently reversed, why we see concentration of securities trading, why some traders willingly disclose their intended trades while others hide them, and why we observe temporary deviations from arbitrage prices. (shrink)

The theory of evolution unites the past, present, and future of living things. It puts humanity's place in the universe into necessary perspective. Despite a history of controversy, the evidence for evolution continues to accumulate as a result of many separate strands of incredible scientific sleuthing. In The Story of Evolution in 25 Discoveries, Donald R. Prothero explores the most fascinating breakthroughs in piecing together the evidence for evolution. In twenty-five vignettes, he recounts the dramatic stories of the (...) people who made crucial discoveries, placing each moment in the context of what it represented for the progress of science. He tackles topics like what it means to see evolution in action and the distance between species in space and time, following figures from Darwin to lesser-known researchers as they unlock the mysteries of the fossil record, the earth, and the universe. The book also features the stories of animal species strange and familiar, including humans-and our ties to some of our closest relatives and more distant cousins. Prothero's wide-ranging tales showcase awe-inspiring and bizarre aspects of nature and the powerful insights they give us into the way that life works. (shrink)

The role of EEG in confirming the clinical diagnosis of isolated brain death has undergone evolutionary changes since the original recommendations concerning its use. Accumulated evidence now supports that approach that the EEG can be used not only as a confirmatory test for brain death, but one which considerably facilitates making the diagnosis. Using the EEG, brain death can often be identified with absolute certainty within just a few, rather than the previously recommended 24 or more hours after a (...) known precipitating event. Guidelines to this effect have now been established. (shrink)

A number of studies report that frequency is a poor predictor of acceptability, in particular at the lower end of the frequency spectrum. Because acceptability judgments provide a substantial part of the empirical foundation of dominant linguistic traditions, understanding how acceptability relates to frequency, one of the most robust predictors of human performance, is crucial. The relation between low frequency and acceptability is investigated using corpus- and behavioral data on the distribution of infinitival and finite that-complements in Polish. Polish verbs (...) exhibit substantial subordination variation and for the majority of verbs taking an infinitival complement, the that-complement occurs with low frequency. These low-frequency that-clauses, in turn, exhibit large differences in how acceptable they are to native speakers. It is argued that acceptability judgments are based on configurations of internally structured exemplars, the acceptability of which cannot reliably be assessed until sufficient evidence about the core component has accumulated. (shrink)

A number of studies report that frequency is a poor predictor of acceptability, in particular at the lower end of the frequency spectrum. Because acceptability judgments provide a substantial part of the empirical foundation of dominant linguistic traditions, understanding how acceptability relates to frequency, one of the most robust predictors of human performance, is crucial. The relation between low frequency and acceptability is investigated using corpus‐ and behavioral data on the distribution of infinitival and finite that‐complements in Polish. Polish verbs (...) exhibit substantial subordination variation and for the majority of verbs taking an infinitival complement, the that‐complement occurs with low frequency (<0.66 ipm). These low‐frequency that‐clauses, in turn, exhibit large differences in how acceptable they are to native speakers. It is argued that acceptability judgments are based on configurations of internally structured exemplars, the acceptability of which cannot reliably be assessed until sufficient evidence about the core component has accumulated. (shrink)