Previous research on associative learning has uncovered detailed aspects of the process, including what types of things are learned, how they are learned, and where in the brain such learning occurs. However, perceptual processes, such as stimulus recognition and identification, take time to unfold. Previous studies of learning have not addressed when, during the course of these dynamic recognition processes, learned representations are formed and updated. If learned representations are formed and updated while recognition is ongoing, the result of learning (...) may incorporate spurious, partial information. For example, during word recognition, words take time to be identified, and competing words are often active in parallel. If learning proceeds before this competition resolves, representations may be influenced by the preliminary activations present at the time of learning. In three experiments using word learning as a model domain, we provide evidence that learning reflects the ongoing dynamics of auditory and visual processing during a learning event. These results show that learning can occur before stimulus recognition processes are complete; learning does not wait for ongoing perceptual processing to complete. (shrink)

Evolutionary developmental systems theory stresses that selection pressures operate on entire developmental systems rather than just genes. This study extends this approach to language evolution, arguing that selection pressure may operate on two quasi-independent timescales. First, children clearly must acquire language successfully and evolution must equip them with the tools to do so. Second, while this is developing, they must also communicate with others in the moment using partially developed knowledge. These pressures may require different solutions, and their combination may (...) underlie the evolution of complex mechanisms for language development and processing. I present two case studies to illustrate how the demands of both real-time communication and language acquisition may be subtly different. The first case study examines infant-directed speech. A recent view is that IDS underwent cultural to statistical learning mechanisms that infants use to acquire the speech categories of their language. However, recent data suggest is it may not have evolved to enhance development, but rather to serve a more real-time communicative function. The second case study examines the argument for seemingly specialized mechanisms for learning word meanings. Both behavioral and computational work suggest that learning may be much slower and served by general-purpose mechanisms like associative learning. Fast-mapping, then, may be a real-time process meant to serve immediate communication, not learning, by augmenting incomplete vocabulary knowledge with constraints from the current context. Together, these studies suggest that evolutionary accounts consider selection pressure arising from both real-time communicative demands and from the need for accurate language development. (shrink)

The question of when and how bottom‐up input is integrated with top‐down knowledge has been debated extensively within cognition and perception, and particularly within language processing. A long running debate about the architecture of the spoken‐word recognition system has centered on the locus of lexical effects on phonemic processing: does lexical knowledge influence phoneme perception through feedback, or post‐perceptually in a purely feedforward system? Elman and McClelland (1988) reported that lexically restored ambiguous phonemes influenced the perception of the following phoneme, (...) supporting models with feedback from lexical to phonemic representations. Subsequently, several authors have argued that these results can be fully accounted for by diphone transitional probabilities in a feedforward system (Cairns et al., 1995; Pitt & McQueen, 1998). We report results strongly favoring the original lexical feedback explanation: lexical effects were present even when transitional probability biases were opposite to those of lexical biases. (shrink)

A critical issue in perception is the manner in which top‐down expectancies guide lower level perceptual processes. In speech, a common paradigm is to construct continua ranging between two phonetic endpoints and to determine how higher level lexical context influences the perceived boundary. We applied this approach to music, presenting participants with major/minor triad continua after brief musical contexts. Two experiments yielded results that differed from classic results in speech perception. In speech, context generally expands the category of the expected (...) stimuli. We found the opposite in music: The major/minor boundary shifted toward the expected category, contracting it. Together, these experiments support the hypothesis that musical expectancy can feed back to affect lower‐level perceptual processes. However, it may do so in a way that differs fundamentally from what has been seen in other domains. (shrink)

Contrary to Pothos, rule- and similarity-based processes cannot be distinguished by dimensionality. Rather, one must consider the goal of the processing: what the system will do with the resulting representations. Research on speech perception demonstrates that the degree to which speech categories are gradient (or similarity-based) is a function of the utility of within-category variation for further processing.

In documenting the dizzying diversity of human languages, Evans & Levinson (E&L) highlight the lack of universals. This suggests the need for complex learning. Yet, just as there is no universal structure, there may be no universal learning mechanism responsible for language. Language is a behavior assembled by many processes, an assembly guided by the language being learned.

Identifying the referent of novel words is a complex process that young children do with relative ease. When given multiple objects along with a novel word, children select the most novel item, sometimes retaining the word‐referent link. Prior work is inconsistent, however, on the role of object novelty. Two experiments examine 18‐month‐old children's performance on referent selection and retention with novel and known words. The results reveal a pervasive novelty bias on referent selection with both known and novel names and, (...) across individual children, a negative correlation between attention to novelty and retention of new word‐referent links. A computational model examines possible sources of the bias, suggesting novelty supports in‐the‐moment behavior but not retention. Together, results suggest that when lexical knowledge is weak, attention to novelty drives behavior, but alone does not sustain learning. Importantly, the results demonstrate that word learning may be driven, in part, by low‐level perceptual processes. (shrink)

At 14 months, children appear to struggle to apply their fairly well-developed speech perception abilities to learning similar sounding words (e.g., bih/dih; Stager & Werker, 1997). However, variability in nonphonetic aspects of the training stimuli seems to aid word learning at this age. Extant theories of early word learning cannot account for this benefit of variability. We offer a simple explanation for this range of effects based on associative learning. Simulations suggest that if infants encode both noncontrastive information (e.g., cues (...) to speaker voice) and meaningful linguistic cues (e.g., place of articulation or voicing), then associative learning mechanisms predict these variability effects in early word learning. Crucially, this means that despite the importance of task variables in predicting performance, this body of work shows that phonological categories are still developing at this age, and that the structure of noninformative cues has critical influences on word learning abilities. (shrink)

Children at about age 18 months experience acceleration in word learning. This vocabulary explosion is a robust phenomenon, although the exact shape and timing vary from child to child. One class of explanations, which we term collectively as leveraged learning, posits that knowledge of some words helps with the learning of others. In this framework, the child initially knows no words and so learning is slow. As more words are acquired, new words become easier and thus it is the acquisition (...) of early words that fuels the explosion in learning. In this paper we examine the role of leveraged learning in the vocabulary spurt by proposing a simple model of leveraged learning. Our results show that leverage can change both the shape and timing of the acceleration, but that it cannot create acceleration if it did not exist in the corresponding model without leveraging. This model is then applied to the Zipfian distribution of word frequencies, which confirm that leveraging does not create acceleration, but that the relationship between frequency and the difficulty of learning a word may be complex. (shrink)

Speech unfolds over time, and the cues for even a single phoneme are rarely available simultaneously. Consequently, to recognize a single phoneme, listeners must integrate material over several hundred milliseconds. Prior work contrasts two accounts: (a) a memory buffer account in which listeners accumulate auditory information in memory and only access higher level representations (i.e., lexical representations) when sufficient information has arrived; and (b) an immediate integration scheme in which lexical representations can be partially activated on the basis of early (...) cues and then updated when more information arises. These studies have uniformly shown evidence for immediate integration for a variety of phonetic distinctions. We attempted to extend this to fricatives, a class of speech sounds which requires not only temporal integration of asynchronous cues (the frication, followed by the formant transitions 150–350 ms later), but also integration across different frequency bands and compensation for contextual factors like coarticulation. Eye movements in the visual world paradigm showed clear evidence for a memory buffer. Results were replicated in five experiments, ruling out methodological factors and tying the release of the buffer to the onset of the vowel. These findings support a general auditory account for speech by suggesting that the acoustic nature of particular speech sounds may have large effects on how they are processed. It also has major implications for theories of auditory and speech perception by raising the possibility of an encapsulated memory buffer in early auditory processing. (shrink)

Speech unfolds over time, and the cues for even a single phoneme are rarely available simultaneously. Consequently, to recognize a single phoneme, listeners must integrate material over several hundred milliseconds. Prior work contrasts two accounts: (a) a memory buffer account in which listeners accumulate auditory information in memory and only access higher level representations (i.e., lexical representations) when sufficient information has arrived; and (b) an immediate integration scheme in which lexical representations can be partially activated on the basis of early (...) cues and then updated when more information arises. These studies have uniformly shown evidence for immediate integration for a variety of phonetic distinctions. We attempted to extend this to fricatives, a class of speech sounds which requires not only temporal integration of asynchronous cues (the frication, followed by the formant transitions 150–350 ms later), but also integration across different frequency bands and compensation for contextual factors like coarticulation. Eye movements in the visual world paradigm showed clear evidence for a memory buffer. Results were replicated in five experiments, ruling out methodological factors and tying the release of the buffer to the onset of the vowel. These findings support a general auditory account for speech by suggesting that the acoustic nature of particular speech sounds may have large effects on how they are processed. It also has major implications for theories of auditory and speech perception by raising the possibility of an encapsulated memory buffer in early auditory processing. (shrink)

Norris et al.'s claim that feedback is unnecessary is compromised by (1) a questionable application of Occam's razor, given strong evidence for feedback in perception; (2) an idealization of the speech recognition problem that simplifies those aspects of the input that create conditions where feedback is useful; (3) Norris et al.'s use of decision nodes that incorporate feedback to model some important empirical results; and (4) problematic linking hypotheses between crucial simulations and behavioral data.

According to a rich tradition in philosophy of action, intentional action requires practical knowledge: someone who acts intentionally knows what they are doing while they are doing it. Piñeros Glasscock argues that an anti-luminosity argument, of the sort developed in Williamson, can be readily adapted to provide a reductio of an epistemic condition on intentional action. This paper undertakes a rescue mission on behalf of an epistemic condition on intentional action. We formulate and defend a version of an epistemic condition (...) that is free from any luminosity commitments. While this version of an epistemic condition escapes reductio, it comes with substantive commitments of its own. In particular, we will see that it forces us to deny the existence of any essentially intentional actions. We go on to argue that this consequence should be embraced. On the resulting picture, intentional action is not luminous. But it still entails practical knowledge. (shrink)

In the aftermath of the financial crisis, and regular corporate scandals, there has been a growing concern with the moral and ethical foundations of business. Often these concerns are limited to narrow accounts of governance codes, regulatory procedures or behaviour incentives, which are often characterized by neo-liberal bias underpinned by western masculine logics. This book challenges these limited accounts of ethics and responsibility. It looks at the writing of Gayatri C. Spivak who takes globally networked markets, people, and ideas and (...) provides tools to rethink subjectivity, ethics, and corporate governance. Eschewing strict hierarchical notions of authority and identity, Spivak's work invites us to consider who speaks for whom and for what in organizational contexts. Relationality is also to be found in the radical politics and feminist ethics of Judith Butler who continues to draw on and develop her account of performativity to interpret contemporary organizations, management and work. While popular accounts of corporate ethics often concern themselves with the aims and actions of those at the top of organisations, Lauren Berlant focuses on the struggles of those at the bottom of the new social structures created by contemporary forms of capital. Finally, the book also considers ecological challenges through the work of Val Plumwood, who spent a lifetime considering the threats and responsibilities we face in environmental terms, and developed a feminist ecological philosophy for understanding social and species differences. This book will be relevant to students and researchers across business and management, organizational studies, critical management studies, gender studies and sociology. (shrink)

In the future, when we compare the welfare of a being of one substrate (say, a human) with the welfare of another (say, an artificial intelligence system), we will be making an intersubstrate welfare comparison. In this paper, we argue that intersubstrate welfare comparisons are important, difficult, and potentially tractable. The world might soon contain a vast number of sentient or otherwise significant beings of different substrates, and moral agents will need to be able to compare their welfare levels. However, (...) this work will be difficult, because we lack the same kinds of commonalities across substrates that we have within them. Fortunately, we might be able to make at least some intersubstrate welfare comparisons responsibly in spite of these issues. We make the case for cautious optimism and call for more research. (shrink)

According to many philosophers, belief is a settling state. On this view, someone who believes p is disposed to take p for granted in practical and theoretical reasoning. This paper presents a simple objection to this settling conception of belief: it conflicts with our ordinary patterns of belief ascription. I show that ascriptions of unsettled beliefs are commonplace, and that they pose problems for all of the most promising ways of developing the settling conception. I proceed to explore the implications (...) of my argument for the relation between belief and credence, and for the relative importance of belief in psychological explanation. (shrink)

"The Symons Medal—one of Canada's most prestigious honours—recognizes an individual who has made an exceptional contribution to Canadian life. The 2020 Symons Medal was awarded to Mr. Bob Rae, P.C., C.C., O.Ont, Q.C. Mr. Rae is the 20th Medallist in this series, following a formidable line of recipients. Hon. Rae's lecture is Learning from The Past, Imagining the Future: Reflections from a Political Life. Throughout the address, published in a bilingual book format, he explores such themes as Canada's improbable origins (...) as a nation; post-war emergence onto the global stage; active membership within the United Nations; and the significance of the ever-evolving Canadian constitution—a "living tree document." Welcoming remarks were made by the Honourable Premier Dennis King, while the official response was delivered by the Honourable Roy Romanow, PC, OC, SOM, QC. Hon. Rae is the 2020 recipient in part for his many years of work on humanitarian issues, most recently the Rohingya Refugee crisis, as well as his time focusing on indigenous issues and his decades of public service and teaching. He has always been deeply involved in the political life of Canada—as MP, former premier of Ontario, and interim leader of the federal Liberal Party. The Symons Medal and Lecture Series is named in honour of Professor Thomas H.B. Symons, a long-time supporter of Confederation Centre and a Board Governor. Held each fall, the medal ceremony and its associated lecture offer a national platform for an eminent Canadian to discuss the nation’s current state, shared histories, and future prospects using themes related to their professional pursuits. The award is presented at Confederation Centre of the Arts—Canada’s living monument to Canadian Confederation—in honour of the meetings of the Fathers of Confederation, who first gathered at Province House National Historic Site in the fall of 1864."--. (shrink)

"We often find that the state of not-knowing can be a precursor to moments of rich discovery which possess a dynamic, transformative power that exceeds any prior expectation." From the Introduction In daily life, when we see, hear or touch something that we don't recognise, we are instantly at our most alert. In that condition of 'not-knowing' we are in a state of alive, lithe awareness: asking questions, inviting input, open to learning, looking for significance and meaning... These essays, most (...) by practising psychotherapists, some of them Buddhists, take as their starting point the idea that not-knowing is fundamental to conscious reflection and the desire to know must always arise in the first instance from the self-awareness of not-knowing. Read in any order, on waking, before sleeping or when in doubt... they will be of interest to anyone who has ever sat in either chair in a psychotherapist's or counsellor's room - as well as anyone troubled or intrigued by what it takes to live comfortably and well in a condition of not knowing all (or even any) of the answers. (shrink)

Arguments for veganism don’t make many vegans, or even many who think they ought to be vegans, at least when they’re written by philosophers. Others — such as the one by Jonathan Safran Foer — seem to do a bit better. Why? To answer this question, I sketch a theory of ordinary moral argumentation that highlights the importance of meaning-based considerations in arguing that people ought to act in ways that deviate from normal expectations for behaviour. In particular, I outline (...) an eclectic theory, where we draw on a variety of moral frameworks and don’t assume that morality is generally overriding. I suggest that meaning-based considerations help us sort through the array of reasons available to us, as well as explain why, in a particular case, what we ought to do morally is what we ought to do all things considered. (shrink)

In this paper, we consider how dignity is discursively constructed in the context of work dominated by physicality and dirt. Based on semi-structured interviews with garbage workers, our analysis considers how the deprivations they experience are cast through discourses intended to construct their individual and collective worth. We consider the manner in which dignity maybe denied to such workers through popular repudiations of individuality and status. We demonstrate how this positioning arises from contact with physical dirt, and associations with socially (...) dirty work based on ascriptions of servility, abuse and ambivalence. We go on to consider how garbage workers respond to this positioning through discourses of ‘everyday heroism’. Heroism is evoked through three inter-related narratives that speaks to a particular type of masculinity. The first takes the form of a classic process of reframing and recalibration through which workers not only renegotiate their public position and status, but also point to the inherent value to be had in working with dirt as part of that which we identify as a process of ‘affirmation’. The second narrative arises from the imposition of favourable social and occupational comparisons that effectively elevate garbage collectors’ social position. The third discourse—and previously unobserved in respect of garbage work—centres on paternalistic practices of care. Combined, these discourses disrupt the generally held view that dirty work is antithetical to heroism and wounds dignity. (shrink)

In this collection of closely interrelated essays, Robert Young emphasizes the scope of the nineteenth-century debate on 'man's place in nature' at the same time as he engages with the approaches of scholars who write about it. He is critical of the separation of the writing of history from writing about history, historiography, and of the separation of history from politics and ideology, then or now. Dr Young challenges fellow historians for reimposing the very disciplinary boundaries that the nineteenth-century debate (...) showed were in the service of ideological forces in that culture. Rather, he proposes that the full weight of the contending forces should be made apparent and debated openly so that neither nineteenth-century nor contemporary issues about the role of science in culture should be treated in a narrow perspective. (shrink)

One leading account of justification comes from the evidentialist tradition. According to evidentialists, whether a doxastic attitude is justified depends on whether that attitude is supported by the believer’s evidence. This chapter assesses the prospects for evidentialism, focusing on the question of whether evidentialists can provide a satisfactory account of their key notions – evidence possession and evidential support – without helping themselves to the notion of justification.

In this wide-ranging interview, Bob Jessop discusses the development of, and many of the main themes in, his work over the last fifty years. He explains how he became interested in realism and Marx...

This essay defends a novel form of virtue epistemology: Modal Virtue Epistemology. It borrows from traditional virtue epistemology the idea that knowledge is a type of skillful performance. But it goes on to understand skillfulness in purely modal terms — that is, in terms of success across a range of counterfactual scenarios. We argue that this approach offers a promising way of synthesizing virtue epistemology with a modal account of knowledge, according to which knowledge is safe belief. In particular, we (...) argue that the modal elements of the view offer important advantages over traditional virtue epistemology, which assigns a central explanatory role to aptness. At the same time, the virtue epistemological elements of the theory reveal new avenues for overcoming obstacles to traditional modal accounts of knowledge. Finally, we highlight the advantages of Modal Virtue Epistemology over alternative syntheses, such as Pritchard's (2012) hybrid approach. (shrink)

This paper argues that we should assign certainty a central place in epistemology. While epistemic certainty played an important role in the history of epistemology, recent epistemology has tended to dismiss certainty as an unattainable ideal, focusing its attention on knowledge instead. I argue that this is a mistake. Attending to certainty attributions in the wild suggests that much of our everyday knowledge qualifies, in appropriate contexts, as certain. After developing a semantics for certainty ascriptions, I put certainty to explanatory (...) work. Specifically, I argue that by taking certainty as our central epistemic notion, we can shed light on a variety of important topics, including evidence and evidential probability, epistemic modals, and the normative constraints on credence and assertion. (shrink)

out a visitation and a thorough assessment of his diocese. His predecessor (or rather his friend Benson, the bishop of Gloucester, who during Edward Chandler's decline had managed Durham's affairs) had kept the deanery records in good ...

This chapter first talks about LEGO modal epistemology. Modal epistemology has the two parts. Some of it is the study of how one knows that some things are contingent and others necessary. The other part of modal epistemology concerns how much one know about what is contingent and necessary. The chapter then talks about what went wrong with the imagination‐based story. Whatever the story about how one knows what he/she can build, it had better be one that factors in his/her (...) background knowledge, since that is what makes the imagination useful. With working knowledge of those little pieces, one can make judgments about what can and can not be done with them. Crucially, there are various ways to make those judgments. The chapter further focuses on a segment of the LEGO community that might seem a bit fussy: purists. (shrink)