This is a charming and engaging book that combines careful attention to the phenomenology of experience with an appreciation of the psychology and neuroscience of perception. In some of its aimsfor example, to show problems with a rigid version of a view of visual perception as an inverse optics process of constructing a static 3-D representation from static 2-D information on the retina--it succeeds admirably. As No points out, vision is a process that depends on interactions between the perceiver and (...) the environment and involves contributions from sensory systems other than the eye. He is at pains to note that vision is not passive. His analogy with touch is to the point: touch involves skillful probing and movement, and so does vision, although less obviously and in my view less centrally so. This much is certainly widely accepted among vision scientistsalthough mainstream vision scientists (represented, for example, by Stephen Palmers excellent textbook²) view these points as best seen within a version of the inverse optics view that takes inputs as non-static and as including motor instructions (for example, involving eye movements and head movements).³ The kind of point that No raises is viewed as important at the margins, but as not disturbing the main lines of the picture of vision that descendswith many changesfrom the pioneering work of David Marr in the 1980s (and before him, from Helmholtz). But No shows little interest in mainstream vision science, focusing on non-mainstream ideas in the science of perception, specifically ideas from the anti-representational psychologist J.J. Gibson, and also drawing on Wittgenstein and the phenomenology tradition. There is a sense throughout the book of revolution, of upsetting the applecart. This is a review from the point of view of the applecart. (shrink)

In the past decade, the notion of a neural correlate of consciousness (or NCC) has become a focal point for scientific research on consciousness (Metzinger, 2000a). A growing number of investigators believe that the first step toward a science of consciousness is to discover the neural correlates of consciousness. Indeed, Francis Crick has gone so far as to proclaim that ‘we … need to discover the neural correlates of consciousness.… For this task the primate visual system seems especially attractive.… No (...) longer need one spend time attempting … to endure the tedium of philosophers perpetually disagreeing with each other. Con- sciousness is now largely a scientific problem’ (Crick, 1996, p. 486).2 Yet the question of what it means to be a neural correlate of consciousness is actually far from straightforward, for it involves fundamental empirical, methodological, and _philosophical _issues about the nature of consciousness and its relationship to the brain. Even if one assumes, as we do, that states of consciousness causally depend on states of the brain, one can nevertheless wonder in what sense there is, or could be, such a thing as a neural correlate of consciousness. (shrink)

In Supersizing the Mind, Andy Clark defends the idea that cognition depends constitutively on structures that are literally outside the body. Where does the mind stop and the rest of the world begin? According to Clark, it is prejudice to think that the limits of the cognitive system must be those of the organism. Artifacts, symbols or tools (e.g. maps, landmarks, systems of writing, the abacus) might be no less linked with cognitive operations than what is internal. For example, the (...) ability to perform long division might depend on pencil and paper no less than it does on the normal action of the brain. Or consider memory-based belief, which is discussed in detail in Clark's 1998 essay with David Chalmers [ 1 ], which serves as the starting point for the presentation here (and that is reprinted as an appendix). Knowing where the museum is, Clark and Chalmers [ 1 ] suppose, consists in having an attitude of endorsement to a proposition encoded in memory to which one has quick and reliable access and which entered memory thanks to a normal process of belief acquisition. Crucially, there is nothing in such a functional specification that requires that the memory store must be internal (e.g. in the brain) rather than external (e.g. in a notebook). Whether the performance specifications of memory could be taken over by an external information repository is a merely technical question. (shrink)

In _Action in Perception _Alva No develops and presents a sensorimotor account of vision and of visual consciousness. According to such an account seeing (and indeed perceiving more generally) is analysed as a kind of skilful bodily activity. Such a view is consistent with the emerging emphasis, in both philosophy and cognitive science, on the critical role of embodiment in the construction of intelligent agency. I shall argue, however, that the full sensorimotor model faces three important challenges. The first is (...) to negotiate a path between two prima facie unsatisfactory readings of the central claim that conscious perceptual experience is constituted by knowledge of patterns of sensorimotor dependence. The second is to convince us that the sensorimotor contribution, in such cases, is actually constitutive of perceptual experience rather than merely causally implicated in the origination of such experience.² And the third is to respond to the important challenge raised by what I will dub 'sensorimotor summarizing' models of the relation between conscious experience and richly detailed sensorimotor routines. According to such models³ conscious perceptual experience only rather indirectly reflects the rich detail of our actual sensorimotor engagements, which are instead lightly sampled as a coarse guide, optimized for planning and reasoning, and geared and filtered according to current needs and purposes. (shrink)

The Explanation of Behaviour was the first book written by the renowned philosopher Charles Taylor. A vitally important work of philosophical anthropology, it is a devastating criticism of the theory of behaviourism, a powerful explanatory approach in psychology and philosophy when Taylor's book was first published. However, Taylor has far more to offer than a simple critique of behaviourism. He argues that in order to properly understand human beings, we must grasp that they are embodied, minded creatures with purposes, plans (...) and goals, something entirely lacking in reductionist, scientific explanations of human behaviour. Taylor's book is also prescient in according a central place to non-human animals, which like human beings are subject to needs, desires and emotions. However, because human beings have the unique ability to interpret and reflect on their own actions and purposes and declare them to others, Taylor argues that human experience differs to that of other animals. Furthermore, the fact that human beings are often directed by their purposes has a fundamental bearing on how we understand the social and moral world. Taylor's classic work is essential reading for those in philosophy and psychology as well as related areas such as sociology and religion. This Routledge Classics edition includes a new Preface by the author and a new Foreword by Alva No, setting the book in philosophical and historical context. (shrink)

Obviously perception is embodied. After all, if creatures were entirely disembodied, how could physical processes in the environment, such as the propagation of light or sound, be transduced into a neurobiological currency capable of generating experience? Is there, however, any deeper, more subtle sense in which perception is embodied? Perhaps. Alva Nos (2004) theory of enactive perception provides one proposal. Where it is commonly thought that.

Debates concerning the nature of mind and consciousness are active and ongoing, with implications for philosophy, psychology, artificial intelligence and the neurosciences. This book collects interviews with some of the foremost philosophers of mind, focusing on open questions, promising projects, and their own intellectual histories. The result is a rich glimpse of the contemporary debate through some of the people who make it what it is. Interviews with Lynne Rudder Baker, David Chalmers, Daniel Dennett, Fred Dretske, Owen Flanagan, Samuel Guttenplan, (...) Valerie Gray Hardcastle, John Heil, Terence Horgan, Douglas Hofstadter, Frank Jackson, Jaegwon Kim, William Lycan, Alva No , Hilary Putnam, David Rosenthal, John Searle, Steven Stich, Galen Strawson, Michael Tye. (shrink)

Alva Noë understands what he calls “perceptual presence” as the experience of whole, voluminous objects being ‘right there’, present for us in their entirety, even though not each and every part of them impinges directly on our senses at any given time. How is it possible that we perceptually experience voluminous objects as voluminous directly and apparently effortlessly, with no need of inferring their three-dimensionality from experience of the part of them that is directly stimulating our sense organs? For (...) Noë, this is the ‘problem of perceptual presence’. In this paper, I integrate Noë’s view by articulating a different view of what perceptual presence at a more basic level amounts to. This new account of perceptual presence which, I believe, can clarify and make an enactive account of presence richer. The view I suggest revolves around the idea, developed especially by Merleau-Ponty and Kelly, that perceptual experience is in an important sense indeterminate. Indeterminacy, I argue, is key if we want to understand perceptual presence and the ‘problem’ Noë solves. (shrink)

Some philosophers—for example, Husserl, Alva Noë and Susanna Siegel—have claimed that the contents of visual sensations standardly include references to the later visual episodes that one would have under certain conditions. The current paper claims that there are no good reasons for accepting that view. Instead, it is argued that the conscious phenomena which have been cited as manifesting the presence within visual contents of references to ways that things would look in the course of later visual sensations are (...) better explained in another manner: in terms of references within the contents of ordinary visual sensations to ways that things actually then look from various perspectives. (shrink)

Enaction, as put forward by Varela and defended by other thinkers (notably Alva Noë, 2004; Susan Hurley, 2006; and Kevin O’Regan, 1992), departs from traditional accounts that treat mental processes (like perception, reasoning, and action) as discrete, independent processes that are causally related in a sequen- tial fashion. According to the main claim of the enactive approach, which Thompson seems to fully endorse, perceptual awareness is taken to be a skill-based activity. Our perceptual contact with the world, according to (...) the enactionists, is not mediated by representations but is enacted, and the notion of representation, belonging to the classic computational paradigm, has no place in this alternative approach. Though Thompson does not pronounce directly on the issue of representationalism, he is most definitely keeping the company of anti-representationalists, and in that context it is not unreasonable to take his silence for consent. In this paper, we will argue that the enactive approach to imagery is unworkable unless it makes appeal to representations, understood in a particular way. Not understood as pictures, to be sure. Or sentences for that matter. But those aren’t the only options. (shrink)

Much recent work on cognition is characterized by an augmentation of the role of action coupled with an attenuation of the role of representation. This coupling is no accident. The appeal to action is seen either as a way of explaining representation or explaining it away. This paper argues that the appeal to action as a way of explaining, supplementing, or even supplanting, representation can lead to a serious dilemma. On the one hand, the concept of action to which we (...) appeal cannot, on pain of circularity, be a representational concept. Such an appeal would presuppose representation and therefore can neither explain it nor explain it away. On the other hand, I shall argue, if the concept of action to which we appeal is not a representational one, there is every reason for supposing that it will not be the sort of thing that can explain, or supplement, let alone supplant, representation. The resulting dilemma, I shall argue, is not fatal. But avoiding it requires us to embrace a certain thesis about the nature of action, a thesis whose broad outline this paper delineates. Anyone who wishes to employ action as a way of explaining or explaining away representation should, I shall argue, take this conception of action very seriously indeed. I am going to discuss these issues with respect to a influential recent contribution to this debate: the sensorimotor or enactive model of perception developed by Kevin O’Regan and Alva Noë. (shrink)

Many viewers presented with a round plate tilted to their line of sight will report that they see a round plate that looks elliptical from their perspective. Alva Noë thinks that we should take reports of this kind as adequate descriptions of the phenomenology of spatial experiences. He argues that his so-called enactive or sensorimotor account of spatial perceptual content explains why both the plate’s circularity and itselliptical appearance are phenomenal aspects of experience. In this paper, I critique the (...) phenomenal adequacy of Noë’s sensorimotor account of spatial perceptual content. I begin by showing that some ofits central claims are in conflict with the phenomenology of perceptual experience. I then argue that shape appearances have no phenomenal reality, thus undermining this central motivation for his account. (shrink)

In the extended mind literature, one sometimes finds the claim that there is no neural correlate of consciousness. Instead, there is a biological or ecological correlate of consciousness. Consciousness, it is claimed, supervenes on an entire organism in action. Alva Noë is one of the leading proponents of such a view. This paper resists Noë's view. First, it challenges the evidence he offers from neuroplasticity. Second, it presses a problem with paralysis. Third, it draws attention to a challenge from (...) the existence of metamers and visual illusions. (shrink)

Many viewers presented with a round plate tilted to their line of sight will report that they see a round plate that looks elliptical from their perspective. Alva Noë thinks that we should take reports of this kind as adequate descriptions of the phenomenology of spatial experiences. He argues that his so-called enactive or sensorimotor account of spatial perceptual content explains why both the plate’s circularity and itselliptical appearance are phenomenal aspects of experience. In this paper, I critique the (...) phenomenal adequacy of Noë’s sensorimotor account of spatial perceptual content. I begin by showing that some ofits central claims are in conflict with the phenomenology of perceptual experience. I then argue that shape appearances have no phenomenal reality, thus undermining this central motivation for his account. (shrink)

Justin Fisher (2007) has presented a novel argument designed to prove that all forms of mental internalism are false. I aim to show that the argument fails with regard to internalism about phenomenal experiences. The argument tacitly assumes a certain view about the ontology of phenomenal experience, which (inspired by Alva Noe) I call the “snapshot conception of phenomenal experience.” After clarifying what the snapshot conception involves, I present Fisher with a dilemma. If he rejects the snapshot conception, then (...) his argument against phenomenal internalism collapses. But if he embraces the snapshot conception, then internalists may argue that in light of the snapshot conception, their view is not so implausible—and that if Fisher still disagrees, he owes us an argument that shows why phenomenal internalism is false even given the snapshot conception. I conclude the paper by showing that Fisher cannot escape my criticism by adjusting his argument so that it no longer depends on the snapshot conception. (shrink)

A tese aborda a concepção dos mundos visível e invisível dos indígenas Karipuna, tendo o pajé como líder e xamã que possui habilidade ancestral de comunicação com os seres sobrenaturais, manifestação cultural desse grupo étnico que faz parte dos povos indígenas do Oiapoque, investigados no período de 2016/2019. O viés particular da tese propõe foco nas ideias cosmológicas como substrato do ritual denominado Turé, dentro da perspectiva da história da ciência e da etnociência, buscando estabelecer uma interface da Cosmologia Indígena (...) e a História da Ciência no Brasil. Esta pesquisa justifica-se pela necessidade de descrever, do ponto vista cosmológico, a partir da observação do céu, por meio das Sete Estrelas e a Estrela D’Alva – estrelas sobrenaturais que caracterizam as crenças e rituais –, as narrativas míticas do xamanismo Karipuna. Os métodos utilizados incluem levantamento de fontes impressas secundárias, história oral, análise documental de fontes primárias e observação participante in loco. Espera-se, assim, contribuir para o conhecimento cosmológico dos indígenas brasileiros de um grupo étnico da Terra Indígena Uaçá, município do Oiapoque, no estado do Amapá. (shrink)

One of the latest labels to emerge for anti-classical cognitive science is “4E.” The four Es here are the embodied, embedded, enacted, and extended approaches to cognition. Since there are a number of different, and likely incompatible, lines of thought within the 4E group, more work needs to be done to articulate how the Es can and should fit together. Mark Rowlands’ newest book, The New Science of the Mind: From Extended Mind to Embodied Phenomenology, addresses this need in a (...) valuable way. He argues, clearly and carefully, for the thesis of the amalgamated mind, which “subsumes both theses of the embodied and the extended mind” . The thesis of the embedded mind is rejected as being merely a claim about cognition depending causally on the environment. As such, it is not strong enough to be interesting for Rowlands’ non-Cartesian project. The thesis of the enacted mind, in particular Alva Noë’s sensorimotor version of it, is also rejected as being either implausible or no stronger than the thesis of the embedded mind . First I will outline Rowlands’ defense of the thesis of the amalgamated mind; then I will raise some issues for further investigation. (shrink)

William Alston’s Theory of Appearing has attracted considerable attention in recent years, both for its elegant interpretation of direct realism in light of the presentational character of perceptual experience and for its central role in his defense of the justificatory force of Christian mystical experiences. There are different ways to account for presentational character, however, and in this article we argue that a superior interpretation of direct realism can be given by a theory of perception as dynamic engagement. The conditions (...) for dynamic engagement are such that there can be no absolute discontinuity between individual perceptual experiences and more public forms of inquiry, and this requirement has radical consequences for the prima facie justificatory force of religious experience. (shrink)

"Perception is not something that happens to us, or in us," writes Alva Noe. "It is something we do." In Action in Perception, Noe argues that perception and perceptual consciousness depend on capacities for action and thought — that ...

Some cognitive states — e.g. states of thinking, calculating, navigating — may be partially external because, at least sometimes, these states depend on the use of symbols and artifacts that are outside the body. Maps, signs, writing implements may sometimes be as inextricably bound up with the workings of cognition as neural structures or internally realized symbols (if there are any). According to what Clark and Chalmers [1998] call active externalism, the environment can drive and so partially constitute cognitive processes. (...) Where does the mind stop and the rest of the world begin? If active externalism is right, then the boundary cannot be drawn at the skull. The mind reaches – or at least can reach --- beyond the limits of the body out into the world. (shrink)

A noted philosopher and member of the Institute for Cognitive and Brain Science examines flaws in current understandings about consciousness while proposing a radical solution that argues that consciousness must not be limited to the confines of the brain.

Introduction: free presence -- Conscious reference -- Fragile styles -- Real presence -- Experience of the world in time -- Presence in pictures -- On over-intellectualizing the intellect -- Ideology and the third realm.

Perhaps the most influential compatibilist response to this question is Fodor's strategy of levels. Fodor argues that although psychological laws range over world-involving propositional attitudes and their contents, these laws are implemented in computational mechanisms that supervene on the individual's intrinsic states.

Many philosophers take mental causation to be required for free will. But it has also been argued that the most popular view of the nature of mental states, i.e. non-reductive physicalism, excludes...

A significant impediment to the study of perceptual consciousness is our dependence on simplistic ideas about what experience is like. This is a point that has been made by Wittgenstein, and by philosophers working in the Phenomenological Tradition, such as Husserl and Merleau-Ponty. Importantly, it is an observation that has been brought to the fore in recent discussions of consciousness among philosophers and cognitive scientists who have come to feel the need for a more rigorous phenomenology of experience. The central (...) thought of this paper is that art can make a needed contribution to the study of perceptual consciousness. The work of some artists can teach us about perceptual consciousness by furnishing us with the opportunity to have a special kind of reflective experience. In this way, art can be a tool for phenomenological investigation. The paper has three parts. First, I present what I call the problem of the transparency of experience. This is a problem for philosophy, for art, and for cognitive science. Second, I present an alternative conception of experience as a mode of interactive engagement with the environment. Finally, against the background of this conception, I discuss, briefly, the work of the sculptors Richard Serra and Tony Smith. (shrink)

In this paper I explore a brand of scepticism about perceptual experience that takes its start from recent work in psychology and philosophy of mind on change blindness and related phenomena. I argue that the new scepticism rests on a problematic phenomenology of perceptual experience. I then consider a strengthened version of the sceptical challenge that seems to be immune to this criticism. This strengthened sceptical challenge formulates what I call the problem of perceptual presence. I show how this problem (...) can be addressed by drawing on an enactive or sensorimotor approach to perceptual consciousness. Our experience of environmental detail consists in our access to that detail thanks to our possession of practical knowledge of the way in which what we do and sensory stimulation depend on each other. (shrink)

There is a traditional scepticism about whether the world "out there" really is as we perceive it. A new breed of hyper-sceptics now challenges whether we even have the perceptual experience we think we have. According to these writers, perceptual consciousness is a kind of false consciousness. This view grows out of the discovery of such phenomena as change blindness and inattentional blindness, which show that we can all be quite blind to changes taking place before our very eyes. Such (...) radical scepticism has acute and widespread implications for the study of perception and consciousness. The writings collected in this volume explore these implications. The contributors are scientists and philosophers at the forefront of this research, and include well-known authors such as psychologists Susan Blackmore and Arien Mack, and philosophers Andy Clark and Daniel Dennett. They have an gift for bringing these paradoxical issues to life and sharing their excitement with the non-specialist. (shrink)

Alva Noë, who is a major figure in establishment philosophy, has been producing work that speaks directly to rhetoric in new ways that are important. This "In Focus" project explores how so, with the help of Carrie Noland on dance, Thomas Rickert on music, and, in a previous issue of Philosophy & Rhetoric 53.1, Nancy Struever on the basics of human inquiry including pictorial, which she thinks almost nobody gets right except for R. G. Collingwood, and perhaps now Noë. (...) In each case you will see how "rhetoric" must be stretched by way of these lateral artistic, and at the same time essential, projects in the discipline per se."Rhetoric" in these considerations is certainly not a vague notion that the things we do... (shrink)

and apply it to various examples of neural plasticity in which input is rerouted intermodally or intramodally to nonstandard cortical targets. In some cases but not others, cortical activity ‘defers’ to the nonstandard sources of input. We ask why, consider some possible explanations, and propose a dynamic sensorimotor hypothesis. We believe that this distinction is important and worthy of further study, both philosophical and empirical, whether or not our hypothesis turns out to be correct. In particular, the question of how (...) the distinction should be explained is linked to explanatory gap issues for consciousness. Comparative and absolute explanatory gaps should be distinguished: why does neural activity in a particular area of cortex have this qualitative expression rather than that, and why does it have any qualitative expression at all? We use the dominance/deference distinction to address the comparative gaps, both intermodal and intramodal. We do so not by inward scrutiny but rather by expanding our gaze to include relations between brain, body and environment. (shrink)

Ita La recensione presenta la prospettiva enattivista difesa da Alva Noë, e ne discute alcuni aspetti specifici. Il pensiero, la coscienza e la cognizione non sono pienamente comprensibili, secondo l’enattivismo di Noë, senza un’adeguata considerazione del ruolo ricoperto dal corpo e dall’ambiente. Sarebbe quindi sbagliato continuare a pensare che il cervello da solo sia responsabile dei processi cognitivi umani: il programma che ricerca i correlati neurali della coscienza sarebbe quindi destinato al fallimento dal principio, perché tralascia in partenza corpo (...) e ambiente; i programmi di ricerca nel campo dell’intelligenza artificiale sarebbero ugualmente compromessi, non solo con una concezione computazionalista della cognizione, ma anche con la vecchia idea che un cervello artificiale sia sufficiente alla cognizione quanto un cervello naturale. Di seguito si prendono in esame due prospettive sperimentali su cui Noë fa grande affidamento: gli studi sulla plasticità neurale dei furetti svolti da Mriganka Sur e altri, e la realizzazione di un sistema di sostituzione visuo-tattile da parte di Paul Bach-Y-Rita. Per Noë si tratta di elementi cruciali in supporto alla propria prospettiva: in realtà, come emerge dalla breve analisi, l’attribuire loro un significato così chiaro e univoco pro-enattivismo è qualcosa di molto meno scontato. Infine, segue un breve bilancio del libro di Noë, dove gli elementi d’interesse del volume sono presentati insieme all’individuazione di alcuni punti deboli, che il testo condivide con la gran parte degli studi che in vario modo fanno leva sull’intuizione legata all’embodiement: da un lato una difficoltà strutturale riguarda la possibilità di identificare con chiarezza gli elementi costitutivi del mentale; dall’altro lato, il riferimento a forme di esternalismo radicale sembra ugualmente comportare diversi problemi. -/- Abstract Eng The review presents Alva Noë’s enactivist view, and aims at discussing some of its ideas. Thought, consciousness, and cognition are not understandable, Noë claims, without taking into proper consideration the role played by the body and the environment. It would be wrong indeed to go on thinking that our brain alone is responsible for human cognitive processes: the program searching for the neural correlates of consciousness is hopeless in principle, because it neglects from the beginning the body and the environment; research programs in artificial intelligence are as well compromised, not only with a computationalist view of cognition, but also with the old idea that an artificial brain will suffice for cognition just like a natural one. Thereafter, two experimental perspectives, that Noë uses to support his view, are examined: Mriganka Sur’s studies on neural plasticity of ferrets, and Paul Bach-Y-Rita’s tactile-visual substitution system. Noë argues that these results are crucial in supporting his view, but, as the discussion highlights, their pro-enactivism meaning is not so clear and unambiguous. Finally, a balance of the book follows, where the many elements of interest are presented together with the acknowledgment of some weak points, that the book shares with the majority of the proposals that deal with the embodiment’s insight: on the one hand, a structural difficulty concerns the possibility to identify clearly the constitutive elements of the mental; on the other hand, the reference to radical versions of externalism seems to entail many difficulties as well. (shrink)

Susan Hurley Susan Hurley Susan Hurley Susan Hurley¹¹¹¹ andAlva Noë andAlva Noë andAlva Noë andAlva Noë²²²².

Review: NOË, Alva. Out of our heads: Why you are not your brain, and other lessons from the biology of consciousness. New York: Hill and Wang, 2009. 214 páginas.

Correspondence: Alva Noë, Department of Philosophy, University of California, Berkeley CA 94720-2390, USA. _Email: [email protected]_ Evan Thompson, Philosophy Department, York University, 4700 Keele Street, North York, Ontario, M3J 1P3, Canada. _Email: [email protected]_.