A hypothesis about sensorimotor integration (the λ model) is described and applied to movement control and kinesthesia. The central idea is that the nervous system organizes positional frames of reference for the sensorimotor apparatus and produces active movements by shifting the frames in terms of spatial coordinates. Kinematic and electromyographic patterns are not programmed, but emerge from the dynamic interaction among the system s components, including external forces within the designated frame of reference. Motoneuronal threshold properties and proprioceptive inputs to (...) motoneurons may be cardinal components of the physiological mechanism that produces positional frames of reference. The hypothesis that intentional movements are produced by shifting the frame of reference is extended to multi-muscle and multi-degrees-of-freedom systems with a solution of the redundancy problem that allows the control of a joint alone or in combination with other joints to produce any desired limb configuration and movement trajectory. The model also implies that for each motor behavior, the nervous system uses a strategy that minimizes the number of changeable control variables and keeps the parameters of these changes invariant. Examples are provided of simulated kinematic and electromyographic signals from single- and multi-joint arm movements produced by suggested patterns of control variables. Empirical support is provided and additional tests of the model are suggested. The model is contrasted with others based on the ideas of programming of motoneuronal activity, muscle forces, stiffness, or movement kinematics. (shrink)

First paper introducing probabilisitic decision theory methods to AI problem solving.

Recent findings support the idea that the belief in free will serves as the basis for moral responsibility, thus promoting the punishment of immoral agents. We theorized that free will extends beyond morality to serve as the basis for accountability and the capacity for change more broadly, not only for others but also for the self. Five experiments showed that people attributed higher freedom of will to negative than to positive valence, regardless of morality or intent, for both self and (...) others. In recalling everyday life situations and in classical decision making paradigms, negative actions, negatives outcomes, and negative framing were attributed higher free will than positive ones. Free will attributions were mainly driven by action or outcome valence, but not intent. These findings show consistent support for the idea that free will underlies laypersons’ sense-making for accountability and change under negative circumstances. (shrink)

Understanding of the λ model has greatly increased in recent years as evidenced by most of the commentaries. Some commentators underscored the potential of the model to integrate aspects of different sensorimotor systems in the production of movement. Other commentators focused on not-yet-fully-developed parts of the model. A few persisted in misunderstanding some of its basic concepts, and on these grounds they reject it. In responding to commentaries we continue to elaborate on some fundamental points of the model, especially control (...) variables, the idea of movement production by shifting the positional frame of reference and the hypothesis of biomechanical correspondence in motor control. We also continue to develop our ideas on the intrinsic generation of the frame of reference associated with external space and utilized for the control of arm movement and locomotion. The dynamic principles underlying the model are discussed in light of the dynamical systems approach. (shrink)

The basic concepts of motor control formulated in our target article were derived from specific experiments, a fact which is disregarded in Dalenoort's comments. A purely academic approach to motor control may not result in a clearer understanding of control concepts.

The cerebellum probably obeys the rules of sensorimotor integration common in the nervous system. One such a rule is formulated: the nervous system organizes spatial frames of reference for the sensorimotor apparatus and produces voluntary movements by shifting their origin points. We give examples of spatial frames of reference for different single- and multi-joint movements including locomotion and also illustrate that the process of motor development and learning may depend critically on the formation of appropriate frames of reference and the (...) organism's ability to manage them. We suggest that a solution to the problem of sensorimotor integration may not be trivial and may actually change the mental and experimental paradigms used in the understanding of the cerebellum and other brain structures, [HOUK et al.; SIMPSON et al.; SMITH; TIIACH]. (shrink)

To attain native-like competence, second language (L2) learners must establish mappings between familiar speech sounds and new phoneme categories. For example, Spanish learners of English must learn that [d] and [ð], which are allophones of the same phoneme in Spanish, can distinguish meaning in English (i.e. /deɪ/ ‘day’ and /ðeɪ/ ‘they’). Because adult listeners are less sensitive to allophonic than phonemic contrasts in their native language (L1), novel target language contrasts between L1 allophones may pose special difficulty for L2 learners. (...) We investigate whether advanced Spanish late-learners of English overcome native language mappings to establish new phonological relations between familiar phones. We report behavioral and magnetoencepholographic (MEG) evidence from two experiments that measured the sensitivity and pre-attentive processing of three listener groups (L1 English, L1 Spanish, and advanced Spanish late-learners of English) to differences between three nonword stimulus pairs ([idi]-[iði], [idi]-[iɾi], and [iði]-[iɾi]) which differ in phones that play a different functional role in Spanish and English. Spanish and English listeners demonstrated greater sensitivity (larger d’ scores) for nonword pairs distinguished by phonemic than by allophonic contrasts, mirroring previous findings. Spanish late-learners demonstrated sensitivity (large d’ scores and MMN responses) to all three contrasts, suggesting that these L2 learners may have established a novel [d]-[ð] contrast despite the phonological relatedness of these sounds in the L1. Our results suggest that phonological relatedness influences perceived similarity, as evidenced by the results of the native speaker groups, but may not cause persistent difficulty for advanced L2 learners. Instead, L2 learners are able to use cues that are present in their input to establish new mappings between familiar phones. (shrink)

Face perception is a highly conserved process that directs our attention from infancy and is supported by specialized neural circuitry. Oxytocin can increase accuracy and detection of emotional faces, but these effects are mediated by valence, individual differences, and context. We investigated the temporal dynamics of oxytocin’s influence on the neural substrates of face perception using event related potentials (ERP). In a double blind, placebo controlled within-subject design, 21 healthy male adults inhaled oxytocin or placebo and underwent ERP imaging during (...) two face processing tasks. Experiment 1 investigated effects of oxytocin on neural correlates of fearful versus neutral facial expressions, and Experiment 2 manipulated point-of-gaze to neutral faces. In Experiment 1, we found that oxytocin reduced N170 latency to fearful faces. In Experiment 2, N170 latency was decreased when participant gaze was directed to the eyes of neutral faces; however, there were no oxytocin-associated effects in response to different facial features. Findings suggest oxytocin modulates early stages of social perception for socially complex information such as emotional faces relative to neutral. These results are consistent with models suggesting oxytocin impacts the salience of socially informative cues during processing, which leads to downstream effects in behavior. Future work should examine how oxytocin affects neural processes underlying basic components of social behavior (such as, face perception) while varying emotional expression of stimuli or comparing different characteristics of participants (e.g., gender, personality traits). (shrink)

Group selection, as advocated by Sober and Wilson, is theoretically plausible, although it remains an open question as to what extent it occurs in nature. If group selection has operated in hominids, it is likely to have selected cultural not genetic variation. A focus on niche construction helps delineate the conditions under which cooperation is favoured. Group selection may favour between-group conflict as well as within-group cooperation.

This landmark work provides a systematic introduction to systems of modal logic and stands as the first presentation of what have become central ideas in philosophy of language and metaphysics, from the "new theory of reference" and non-linguistic necessity and essentialism to "Kripke semantics.".

We emphasize the relevance to cognitive psychology of Feldman and Levin's theoretical position. Traditional views of motor control have failed to clearly separate “production control” at the level of motor command, based on task-independent CV (control variables), from intentional “product control” based on task-dependent parameters. Because F&L's approach concentrates on the first process (trajectory formation), it can distinguish the product control stage.

A theory that treats language not as an abstract symbol system but as a function of our brains and experience, integrating recent findings from biology, ...

The badness of having conflicting emotions is a familiar theme in academic ethics, clinical psychology, and commercial self-help, where emotional harmony is often put forward as an ideal. Many philosophers give emotional harmony pride of place in their theories of practical reason.1 Here we offer a defense of a particular species of emotional conflict, namely, ambivalence. We articulate an conception of ambivalence, on which ambivalence is unresolved inconsistent desire (§1) and present a case of appropriate ambivalence (§2), before considering two (...) alternative defenses of emotional conflict (§3). We then argue that inconsistent desires can be fitting (§4) and that it can be reasonable not to resolve inconsistent desires (§5), before considering an objection (§6) and concluding the discussion (§7). (shrink)

A new theory of how the brain constructs emotions that could revolutionize psychology, health care, law enforcement, and our understanding of the human mind Emotions feel automatic, like uncontrollable reactions to things we think and experience. Scientists have long supported this assumption by claiming that emotions are hardwired in the body or the brain. Today, however, the science of emotion is in the midst of a revolution on par with the discovery of relativity in physics and natural selection in biology--and (...) this paradigm shift has far-reaching implications for us all. Leading the charge is psychologist and neuroscientist Lisa Feldman Barrett, whose theory of emotion is driving a deeper understanding of the mind and brain, and shedding new light on what it means to be human. Her research overturns the widely held belief that emotions are housed in different parts of the brain and are universally expressed and recognized. Instead, she has shown that emotion is constructed in the moment, by core systems that interact across the whole brain, aided by a lifetime of learning. This new theory means that you play a much greater role in your emotional life than you ever thought. Its repercussions are already shaking the foundations not only of psychology but also of medicine, the legal system, child-rearing, meditation, and even airport security. Why do emotions feel automatic? Does rational thought really control emotion? How does emotion affect disease? How can you make your children more emotionally intelligent? How Emotions Are Made answers these questions and many more, revealing the latest research and intriguing practical applications of the new science of emotion, mind, and brain. (shrink)

It is now medically possible for a baby to have two biological mothers. A fertilized ovum from one woman can be implanted into a second woman for gestation in her uterus. In fact, there have been several such cases. The ova donor is the mother in the genetic sense: her genetic material,along with that of the sperm donor,appears in the developing baby. The uterine hostess is the birth mother: she gestates the fetus and gives birth to it. In essence, the (...) two female reproductive functions, genetic and gestational, can be and have been divided from each other. Our current conception of biological maternity has lagged behind these technological marvels and still assumes that both functions will be performed by the same woman. At a time when two "biological mothers" can and do make claims for the same child,each on the ground that she is the "true mother", it is crucial to examine our concepts of biological maternity and their relation to our social policies about maternity in these cases. In this paper I will argue that the best social and legal policy would involve a prima facie preference for the claims of the gestational mother over the claims of the genetic mother for custody of the child in a contest (if there is no question of parental unfitness on either side). That is, in any dispute, presumption should be in favor of the gestational mother. This argument is made independent of considerations about pre-birth and pre-conception contracts, because the issues raised about the roles of gestational and genetic maternity are substantial in themselves and have obvious implications about the acceptability of such contracts.Rather, I argue that a revision of our concept of biological maternity which emphasizes the importance of gestation and which would prefer the claims of the gestational over the genetic mother would have positive benefits for both women and newborns. (shrink)

Among the important themes in Roderick Chisholm's epistemology are his commitment to internalism, his defense of the independence of epistemology from empirical science, and his assumption that we do know most of what we initially think we know. In “Roderick Chisholm and the Shaping of American Epistemology” Hilary Kornblith argues that Chisholm's views lead to a radical divorce between the factors that justify beliefs and the factors that cause beliefs, that Chisholm's views have the consequence that there is no connection (...) between justification and truth, and that Chisholm's kind of epistemology is unable to give epistemic advice. I argue that Chisholm's views do not have these consequences. (shrink)

Evidentialism holds that the justified attitudes are determined entirely by the person's evidence. This book is a collection of essays, mostly jointly authored, that support and apply evidentialism.

Don Isaac Abravanel was one of the main leaders of medieval Spanish Jewry. This work presents a systematic exposition of Abravanel's defence of Judaism, analyzing and evaluating his views on the basic issues of medieval philosophy and theology.

Since the Enlightenment our attachment to the past has been greatly weakened, in some areas of social life it has almost ceased to exist. This characteristic of the modern mind is seen as an overreaction. The modern mind has lost the capacity to appreciate the positive contribution the maintenance of the past in the present achieves in social life, especially in the sphere of moral conduct.In the field of organization theory, nowhere is the past as explicitly distrusted as in critical (...) organization theory. The maintenance of thepast in the present is seen as a potential carrier of oppressive and unjust social relationships. Perpetual critique is advocated as a means to uncover these oppressive and unjust relations and prevent any new undemocratic relations from becoming established.I present an historical and cultural analysis of the modern attitude toward the past and develop a concept of moral tradition to analyzecritical organization theory’s ethical assumptions and implications. In so doing, an effort is made to rectify the exaggerated confidencecritical organization theory places in rationalism and individualism and to recognize the ineluctable role traditions play not only inorganizational life, but also in the way we theorize about organizations. (shrink)

Appearing in English for the first time, Schelling’s 1842 lectures develop the idea that many philosophical concepts are born of religious-mythological notions.

Within the context of service inquiries, and the specialized inferential logic associated with the particularized activities there is a gap in the orientations of customers and service representatives. Specifically, one problem that arises in customer service encounters is that customers and service representatives appear to arrive at different understandings of what constitutes a relevant response to a service inquiry. By examining one type of customer service context, calls to an electronic repair facility, this article offers a conversation analytic account of (...) how customers use formulations to collaboratively achieve a mutually agreed upon answer to their service inquiry and close the gap in the underlying logics that emerge in these calls. (shrink)

Philosophers, accounted wise in their generation and even beyond their generation, have enthroned the unchanging and sung the praises of fatality and acquiescence. But there is a voice even more authoritative than that of the sages—the voice of the LifeShaper himself. Perched on the height of the human soul, he has set two watchmen, more sagacious and knowing than the Metaphysicians who weave words “About it and about” in the taverns beneath; their names are Wonder and Surprise. Wonder spies out (...) novelty, and Surprise discerns change. Wonder arises at that which is beyond expectation; Surprise at that which is contrary to expec tation. What could completely surpass expectation save the completely novel? What could so drastically dismantle expectation save the hurricane onset of change? (shrink)

We argue that the value of authenticity does not explain the value of self-knowledge. There are a plurality of species of authenticity; in this paper we consider four species: avoiding pretense (section 2), Frankfurtian wholeheartedness (section 3), existential self-knowledge (section 4), and spontaneity (section 5). Our thesis is that, for each of these species, the value of (that species of) authenticity does not (partially) explain the value of self-knowledge. Moreover, when it comes to spontaneity, the value of (that species of) (...) authenticity conflicts with the value of self-knowledge. (shrink)

When citizens are pulled over by police for traffic violations, they often volunteer accounts for their driving conduct. These accounts convey important character qualities about the citizen, as well as exigencies that motivate officer response. We use the method of conversation analysis to show that where a citizen positions an account in the course of an encounter is subject to different interactional-organizational constraints, which in turn afford citizens different resources for self-presentation. We also show that officers are sensitive to citizens’ (...) accounts and respond to them in differentiated ways. In addition to being a resource for self-presentation, citizens’ volunteered accounts are a resource for motivating and shaping police action. (shrink)

In lieu of an abstract, here is a brief excerpt of the content:Philosophy and Rhetoric 34.1 (2001) 21-37 [Access article in PDF] Conscience and the Concealments of Metaphor in Hobbes's Leviathan Karen S. Feldman Introduction Conscience is not a topic of terribly heated debate in Hobbes research. 1 Nevertheless, my claim in this article is that conscience in the Leviathan, which Hobbes poses as an example of the dangers of metaphor, is not merely an example of the dangers of metaphor, (...) but rather is the most dangerous metaphor, the metaphor that corrupts knowledge and thereby makes error and deception possible. Hobbes's brief account of conscience, which appears in the chapter of Leviathan on the ends of discourse, tells the story of the insinuation of metaphor into proper nomenclature; however, his example of the metaphorical use of the word conscience turns the story into one in which public knowledge itself is made private and thereby corrupted. Moreover, according to the story, private conscience is itself invented by means of a metaphor; it is in effect metaphorized into being. 2 With the emergence of private conscience, the potential of privatization expands from the privatization of the meaning of words to an entire private sphere of opinion. The metaphorical corruption of conscience invents a new understanding of knowledge as isolated from other witnesses, and the resultant privatization of truth lends itself to the corruption of that truth. Thus, whereas Hobbes characterizes the wrong use of names (of which metaphor is an instance) as a threat to accurate judgment and reason (L 22-23, 34, 161-62), as I will argue in the sections following, Hobbes's demand for the preservation of proper meaning in Leviathan corresponds to an anxiety regarding privacy and its peculiar potential for corrupting truth and knowledge. Hobbes's worries as to the dangers that metaphor poses to the stability of the commonwealth thereby converge with his worries about the dangers of conscience to the principle of public authority (cf. Strong 1993). [End Page 21] Hobbes's condemnations of conscience In Leviathan, conscience is condemned as a source of principles of human decision and action in a commonwealth. The problem with conscience as a principle of action is that it renders each individual inventor of his own rules and judge of his own actions. In brief, individual conscience is incommensurable with the public authority that defines a commonwealth: Another doctrine repugnant to civil society, is, that whatsoever a man does against his conscience, is sin; and it dependeth on the presumption of making himself judge of good and evil. For a man's conscience, and his judgment is the same thing, and as the judgment, so also the conscience may be erroneous. Therefore, though he that is subject to no civil law, sinneth in all he does against his conscience, because he has no other rule to follow but his own reason; yet it is not so with him that lives in a commonwealth; because the law is the public conscience, by which he hath already undertaken to be guided. Otherwise in such diversity, as there is of private consciences, which are but private opinions, the commonwealth must needs be distracted, and no man dare to obey the sovereign power, further than it shall seem good in his own eyes. (L 311) In this account, conscience is not just inferior to civil law as a principle guiding action, but at odds with civil society and the good of the commonwealth. The fact that conscience is private renders it problematic for the commonwealth for several reasons: First, as privately invented, it may be erroneous. Likewise, because it is private, conscience does not possess any binding power outside the individual, private sphere. Each person may be bound by his own conscience, but insofar as consciences differ, standards of action differ, and this leads to the undermining and distraction of the commonwealth. Likewise, private consciences may be divergent from one another, and the conflicts in private judgment produce conflicting actions that disturb the peace of the commonwealth. This rule of privacy is, moreover, associated with primitive life and with the state of nature... (shrink)

Little is known about the mechanisms by which psychology graduate programs transmit responsible conduct of research (RCR) values. A national sample of 968 current students and recent graduates of mission-diverse doctoral psychology programs completed a Web-based survey on their research ethics challenges, perceptions of RCR mentoring and department climate, whether they were prepared to conduct research responsibly, and whether they believed psychology as a discipline promotes scientific integrity. Research experience, mentor RCR instruction and modeling, and department RCR policies predicted student (...) RCR preparedness. Mentor RCR instruction, department RCR policies, and faculty modeling of RCR behaviors predicted confidence in the RCR integrity of the discipline. Implications for training are discussed. (shrink)

: Contemporary common sense holds that authenticity is an ethical ideal: that there is something bad about inauthenticity, and something good about authenticity. Here we criticize the view that authenticity is bad because it detracts from the wellbeing of the inauthentic person, and propose an alternative moral account of the badness of inauthenticity, based on the idea that inauthentic behaviour is potentially misleading.

With precision and profundity born of 30 years of devoted study, John Boyle offers an essential introduction to St. Thomas Aquinas on Scripture, shedding helpful light on the goals, methods, and commitments that animate the Angelic Doctor's engagement with the sacred page. Because the genius of St. Thomas's approach to the Bible lies not so much in its novelty but rather in the fidelity and clarity with which he recapitulates the riches of the preceding interpretive Tradition, this initiation into St. (...) Thomas's vision of Scripture is itself an orientation to the Church's vision of Scripture, from the Fathers through and beyond the Middle Ages. St. Thomas's embeddedness within the Church's Tradition and his own historical context is integral to his approach to Scripture, yet it sets him at some distance from modern readers, for whom his interpretive vision may seem perplexing or even impenetrable. In this Primer, Boyle first provides an acclimation to this medieval context through a survey and explanation of pertinent technical terminology used by St. Thomas and characteristic of the scholastic theology of the time. With an eye to the medieval practice of considering Scripture according to the fourfold division of causes, Boyle builds on this initial foundation by exploring in turn St. Thomas's accounts of the end or use of Scripture (final cause), its divine and human authorship (efficient cause), its order and division (material cause), and its literary styles or genres (formal cause). Drawing on writings from across St. Thomas's corpus, but especially his work On the Commendation and Division of Sacred Scripture and the prologues to his biblical commentaries, Boyle masterfully elucidates both the hermeneutical principles and deep wisdom of the Angelic Doctor's approach to Scripture, imparting invaluable guidance not only for reading and understanding St. Thomas and other great masters of the Tradition, but also-and ultimately-for understanding Scripture in light of this Tradition and reading it with greater benefit and joy. (shrink)

In this article I claim that Leibniz's 1670 preface to a sixteenth-century text on rhetoric by Marius Nizolius offers a historical perspective on the relationship between figurative language and performativity in philosophical discourse. To begin with, although Leibniz argues in the Preface to Nizolius against the use of rhetoric, eloquence, and specifically tropes in philosophical discourse, nevertheless his prescriptions for philosophical clarity implicate a "channel of tropes" in what could be described as a retroactive, performative assignation of proper usage. Moreover, (...) the example that Leibniz supplies to illustrate the channel of tropes, namely a tropological account by which the Latin past participle fatum is said to have come to designate that which must necessarily come to pass, i.e., fate, directly connects Leibniz's claims about the channel of tropes to the performative fiat by which God decides for this world. Leibniz's fatum example indeed touches on the very question of how the articulation of fate takes on force, changes actuality, and thus is not simply of constantively "about" what it decrees. In the channel-of-tropes account of fatum, however, a metonymy of cause-for-effect fills in for the performative moment, in such a way that obscures a clear view of the performative causality of fate. I argue that this obscurity and the indirectness of metonymy are not accidental, but are in fact required, i.e., there is no better or more direct way to represent the bindingness of God's fiat on the necessity of future events. (shrink)