This is the text of an invited talk exploring the connections between two apparently distinct notions of affect, sensory versus core affect. It is basically a progress report. It is exploratory and tentative. It starts from a mild puzzle about the apparent mismatch between the notion of affect that affective neuroscientists generally deploy and the notion of affect that emotion psychologists deploy. The notion favored by psychologists is the notion of core affect. The phenomenon studied by affective neuroscientists is usually (...) the notion of sensory affect. It's not clear how these two notions are related to each other. I'll present the main outlines of both notions, make some critical observations, and raise a few questions at the end. (shrink)

Arguably, emotion is always valenced—either pleasant or unpleasant—and dependent on the pleasure system. This system serves adaptive evolutionary functions; relying on separable wanting, liking, and learning neural mechanisms mediated by mesocorticolimbic networks driving pleasure cycles with appetitive, consummatory, and satiation phases. Liking is generated in a small set of discrete hedonic hotspots and coldspots, while wanting is linked to dopamine and to larger distributed brain networks. Breakdown of the pleasure system can lead to anhedonia and other features of affective disorders. (...) Eudaimonia and well-being are difficult to study empirically, yet whole-brain computational models could offer novel insights potentially linking eudaimonia to optimal metastability in the pleasure system. (shrink)

The official definition of ‘pain’ by the International Association for the Study of Pain (IASP) hasn’t seen much revision since its publication in 1979. There have been various criticisms of the definition in the literature from different quarters: that the definition implies a dubious metaphysical dualism, that it requires a strong form of consciousness as well as linguistic abilities, that it excludes many vulnerable groups that are otherwise perfectly capable of experiencing pain, that it has therefore unacceptable practical as well (...) as ethical consequences, that it is unhelpful to the health-care professional as an operational definition, that it is too narrow, and many others. In my view, most of these criticisms depend on misunderstandings or on uncharitable interpretations. My aim is to go over the definition, clarify some potential ambiguities, and argue that these criticisms don’t cut much ice. At the end, I will present a few slightly reworded versions of the definition that I claim are more felicitous and capture the original intended meaning by the members of the taxonomic committee in a much better and transparent way that avoids all the major extant criticisms in the literature. (Written for interdisciplinary audiences.). (shrink)

The phenomenon of pain presents problems and puzzles for philosophers who want to understand its nature. Though pain might seem simple, there has been disagreement since Aristotle about whether pain is an emotion, sensation, perception, or disturbed state of the body. Despite advances in psychology, neuroscience, and medicine, pain is still poorly understood and multiple theories of pain abound. The Routledge Handbook of Philosophy of Pain is an outstanding reference source to the key topics, problems and debates in this exciting (...) and interdisciplinary subject and is the first collection of its kind. Comprising over thirty chapters by a team of international contributors the Handbook is divided into nine clear parts: Modelling pain in philosophy Modelling pain in neuroscience Modelling pain in psychology Pain in philosophy of mind Pain in epistemology Pain in philosophy of religion Pain in ethics Pain in medicine Pain in law. As well as fundamental topics in the philosophy of pain such as the nature, role, and value of pain, many other important topics are covered including the neurological pathways involved in pain processing, biopsychosocial and cognitive behavioural models of pain; chronic pain; pain and non-human animals; pain and knowledge; controlled substances for pain; pain and placebo effects; and pain and physician assisted suicide. The Routledge Handbook of Philosophy of Pain is essential reading for students and researchers in philosophy of mind, philosophy of psychology and ethics. It will also be very useful to researchers of pain from any field, especially those in psychology, medicine, and health studies. (shrink)

In this paper, I present my solutions to two closely related questions about pleasure. One of these questions is fairly well known. The second question seems to me to be at least as interesting as the first, but it apparently hasn't interested quite so many philosophers.

It has been 35 years since the publicationMelzack and Wall's Gate Control Theory whichhypothesized that nociceptive information wassubject to dynamic regulation by mechanismslocated in the spinal cord dorsal horn thatcould ultimately lead to hyperalgesic orhypoalgesic states. This paper examines GateControl Theory in light of our currentunderstanding of the neuroanatomical,neurophysiological and neurochemical substratesof nociception and antinociception. Despiteits initial controversies, no one has proposeda more comprehensive overall theory of painmodulation or has successfully refuted most ofthe basic tenets of this theory.

What does feeling a sharp pain in one's hand have in common with seeing a red apple on the table? Some say not much, apart from the fact that they are both conscious experiences. To see an object is to perceive an extramental reality -- in this case, a red apple. To feel a pain, by contrast, is to undergo a conscious experience that doesn't necessarily relate the subject to an objective reality. Perceptualists, however, dispute this. They say that both (...) experiences are forms of perception of an objective reality. Feeling a pain in one's hand, according to this view, is perceiving an objective condition of one's hand. Who is closer to truth? Because of such metaphysical issues, the subjectivity of pains combined with their clinical urgency raises methodological problems for pain scientists. How can a subjective phenomenon be studied objectively? What is the role of the first-person method in science? Some suggest that the subjectivity of pains is due to their metaphysical irreducibility to purely physical processes in the nervous system. Can this be true? The study of pain and its puzzles offers opportunities for understanding such larger issues as the place of consciousness in the natural order and the methodology of psychological research. In this book, leading philosophers and scientists offer a wide range of views on how to conceptualize and study pain. The essays include discussions of perceptual and representationalist accounts of pain; the affective-motivational dimension of pain; whether animals feel pain, and how this question can be investigated; how social pain relates to physical pain; whether first-person methods of gathering data can be integrated with standard third-person methods; and other methodological and theoretical issues in the science and philosophy of pain. (shrink)

To desire something is a condition familiar to everyone. It is uncontroversial that desiring has something to do with motivation, something to do with pleasure, and something to do with reward. Call these "the three faces of desire." The standard philosophical theory at present holds that the motivational face of desire presents its unique essence--to desire a state of affairs is to be disposed to act so as to bring it about. A familiar but less standard account holds the hedonic (...) face of desire to reveal to true nature of desire. In this view, to desire something is to tend to pleasure if it seems that the desired state of affairs has been achieved, or displeasure if it seems otherwise, thus tying desire to feelings instead of actions. In Three Faces of Desire, Schroeder goes beyond actions and feelings to advance a novel and controversial theory of desire that puts the focus on desire's neglected face, reward. Informed by contemporary science as much as by the philosophical tradition, Three Faces of Desire discusses recent scientific discoveries that tell us much about the way that actions and feelings are produced in the brain. In particular, recent experiments reveal that a distinctive system is responsible for promoting action, on the one hand, and causing feelings of pleasure and displeasure, on the other. This system, the brain's reward system, is the causal origin of both action and feeling, and is the key to understanding the nature of desire. (shrink)

Beyond the Pleasure Principle is Freud's most philosophical and speculative work, exploring profound questions of life and death, pleasure and pain. In it Freud introduces the fundamental concepts of the "repetition compulsion" and the "death drive," according to which a perverse, repetitive, self-destructive impulse opposes and even trumps the creative drive, or Eros. The work is one of Freud's most intensely debated, and raises important questions that have been discussed by philosophers and psychoanalysts since its first publication in 1920. The (...) text is presented here in a contemporary new translation by Gregory C. Richter. Appendices trace the work's antecedents and the many responses to it, including texts by Plato, Friedrich Nietzsche, Melanie Klein, Herbert Marcuse, Jacques Derrida, and Judith Butler, among many others. (shrink)

As an alternative to using the concepts of emotion, fear, anger, and the like as scientific tools, this article advocates an approach based on the concepts of core affect and psychological construction, expanding the domain of inquiry beyond “emotion”. Core affect is a neurophysiological state that underlies simply feeling good or bad, drowsy or energised. Psychological construction is not one process but an umbrella term for the various processes that produce: (a) a particular emotional episode's “components” (such as facial movement, (...) vocal tone, peripheral nervous system change, appraisal, attribution, behaviour, subjective experience, and emotion regulation); (b) associations among the components; and (c) the categorisation of the pattern of components as a specific emotion. (shrink)

' But, although such a being (a purely intellectual being) might perhaps be conceived to exist, and although, in studying our internal frame, ...

Like other fundamental experiences, the phenomenal qualities of pain seem to defy description. But, unlike these experiences, it is difficult to define pain in terms of a consistent relationship with the extra-mental world. The IASP's solution is to qualify an imprecise characterization of pain's phenomenal qualities through an association with tissue damage and an ability to recognize pain sensation. In this paper I will argue that the IASP's definition lacks the clarity and coherence necessary to provide an adequate definition of (...) pain. I begin by setting out the difficulties of defining pain. I then describe the IASP's solution and provide a detailed criticism of their approach. I also discuss inconsistencies evident in their wider taxonomy. In the final section I argue that pain can be objectively grounded by reference to pain's evolutionary role and suggest an alternative definition. (shrink)

Although discussion of social pain has become popular among researchers in psychology and behavioural neuroscience, the philosophical community has yet to pay it any direct attention. Social pain is characterized as the emotional reaction to the perception of the loss or devaluation of desired relationships. These are argued to comprise a pain type and are explicitly intended to include the everyday sub-types grief, jealousy, heartbreak, rejection, and hurt feelings. Social pain is accordingly posited as a nested type of pain encompassing (...) multiple emotional sub-types. Call this the social pain posit. This article focuses on whether we should endorse the social pain posit and, in particular, whether social pain is pain. I present the four lines of evidence for the social pain posit that are currently offered in the literature and I argue that each provides only inadequate support, taken either individually or together. I close by considering the significance of the presented argument for philosophical theo.. (shrink)

A cross-species affective neuroscience strategy for understanding the primary-process (basic) emotions is defended. The need for analyzing the brain and mind in terms of evolutionary stratification of functions into at least primary (instinctual), secondary (learned), and tertiary (thought-related) processes is advanced. When viewed in this context, the contentious battles between basic-emotion theorists and dimensional-constructivist approaches can be seen to be largely nonsubstantial differences among investigators working at different levels of analysis.

This paper proposes that human expression of pain in the presence or absence of caregivers, and the detection of pain by observers, arises from evolved propensities. The function of pain is to demand attention and prioritise escape, recovery, and healing; where others can help achieve these goals, effective communication of pain is required. Evidence is reviewed of a distinct and specific facial expression of pain from infancy to old age, consistent across stimuli, and recognizable as pain by observers. Voluntary control (...) over amplitude is incomplete, and observers can better detect pain that the individual attempts to suppress rather than amplify or simulate. In many clinical and experimental settings, the facial expression of pain is incorporated with verbal and nonverbal vocal activity, posture, and movement in an overall category of pain behaviour. This is assumed by clinicians to be under operant control of social contingencies such as sympathy, caregiving, and practical help; thus, strong facial expression is presumed to constitute an attempt to manipulate these contingencies by amplification of the normal expression. Operant formulations support skepticism about the presence or extent of pain, judgments of malingering, and sometimes the withholding of caregiving and help. To the extent that pain expression is influenced by environmental contingencies, however, could equally plausibly constitute the release of suppression according to evolved contingent propensities that guide behaviour. Pain has been largely neglected in the evolutionary literature and the literature on expression of emotion, but an evolutionary account can generate improved assessment of pain and reactions to it. (shrink)