Depersonalization consists in a deep modification of the way things appear to a subject, leading him to feel estranged from his body, his actions, his thoughts, and his mind, and even from himself. Even though, when it was discovered at the end of the 19th century, this psychiatric condition was widely used to probe certain aspects of bodily awareness, and more specifically the sense of bodily ownership (SBO), it has been strangely neglected in contemporary debates. In (...) this chapter, I argue that because of three specific features, depersonalization raises some important challenges for current theories of the SBO. The first feature — call it “generality” — is that depersonalization does not only affect the sense of bodily ownership but also, typically, the sense of ``mental ownership’’ (SMO), the sense of agency or ``action ownership’’ (SOA), and the subject’s core sense of herself (CSS), that is, her awareness of herself as an I. The second feature is that except for the symptoms of depersonalization, depersonalized patients are hard to distinguish, psychologically, from normal subjects. This makes it hard to find psychological features that might explain their condition. The last feature, call it “fundamentality” is that the psychological features that do seem abnormal among depersonalized patients seem more likely to be explained by depersonalization than to explain it. These three features raise three challenges — the centrality challenge, the dissociation challenge, and the grounding challenge. Taken together, I will argue, these challenges suggest that the SBO depends on a form of phenomenal “mineness” that would mark my mental states as mine and that cannot be accounted for in sensorimotor, cognitive, or even affective terms. A phenomenal mineness that indeed seems to be psychologically primitive, and only accountable in neurophysiological terms. (shrink)

There are two ways in which we are aware of our bodies: reflectively, when we attend to them, and pre-reflectively, a kind of marginal awareness that pervades regular experience. However, there is an inherent issue with studying bodily awareness of the pre-reflective kind: given that it is, by definition, non-observational, how can we observe it? Kuhle claims to have found a way around this problem—we can study it indirectly by investigating an aspect of reflective bodily awareness: the (...) class='Hi'>sense of bodily ownership. Unfortunately, I argue, there is little reason to believe a relationship between pre-reflective bodily awareness and the sense of bodily ownership exists. Until more work is done, pre-reflective bodily awareness remains beyond our empirical grasp. (shrink)

How does Descartes characterize the peculiar way in which each of us is aware of our bodies? I argue that Descartes recognizes a sense of bodily ownership, such that the body sensorily appears to be one's own in bodily awareness. This sensory appearance of ownership is ubiquitous, for Descartes, in that bodily awareness always confers a sense of ownership. This appearance is confused, in so far as bodily awareness simultaneously represents the (...) subject as identical to, partially composed by, and united to her body, without distinguishing these relations. Finally, the appearance of ownership is grounded in multiple other ways in which the body sensorily appears: namely, in the fact that the body appears to be inescapable, modified by bodily sensations, and an object of special concern. (shrink)

Bodily sensations are mental states typically suitable to be reported in judgments in which a first-person indexical is used to qualify the felt body. In other words, subjects typically have a sense of bodily ownership for the body that they feel in bodily sensations. This paper puts forward, firstly, three desiderata that theories on the sense of bodily ownership should meet. Secondly, it assesses two views that account for the sense of (...) bodily ownership in terms of the spatial content of bodily sensations, appealing to a notion of a sense of boundedness, and argues that they do not meet the goals defined. (shrink)

I am aware that this hand is my own. But is the sense of ownership of my hand manifested to me in a more primitive form than judgements? On the deflationary view recently defended by Martin and Bermúdez in their works, the sense of bodily ownership has no counterpart at the experiential level. Here I present a series of cases that the deflationary account cannot easily accommodate, including belief-independent illusions of ownership and experiences of (...) disownership despite the presence of bodily sensations. I conclude that there is some kind of non-conceptual intuitive awareness of ownership. (shrink)

In certain startling neurological and psychiatric conditions, what is ordinarily most intimate and familiar to us—our own body—can feel alien. For instance, in cases of somatoparaphrenia subjects misattribute their body parts to others, while in cases of depersonalization subjects feel estranged from their bodies. These ownership disorders thus appear to consist in a loss of any feeling of bodily ownership, the felt sense we have of our bodies as our own. Against this interpretation of ownership (...) disorders, I defend Sufficiency, the thesis that every experience of bodily awareness suffices for a feeling of bodily ownership. Since Sufficiency conflicts with a face‐value interpretation of these ownership disorders, the burden is on me to explain away the apparent tension. To do so, I identify and correct what I believe to be the fundamental mistake in the extant literature on the feeling of bodily ownership, namely the tendency to treat the notion of a feeling of bodily ownership as a single psychological construct. Instead, I distinguish the feeling of minimal ownership, the first‐personal character of bodily awareness, from the feeling of affective ownership, the distinctive type of felt concern we have for our bodies. I motivate this distinction by raising the disownership puzzle, the fact that subjects suffering from ownership disorders display an ambiguous set of symptoms, arguing the distinction I draw between minimal and affective ownership is just what is required to resolve the puzzle. (shrink)

Emerging evidence is now challenging the view that patients diagnosed with schizophrenia experience a selective deficit in their sense of agency. Additional disturbances seem to exist in their sense of body ownership. However, the factors underlying this disturbance in body ownership remain elusive. Knowledge of these factors, and increased understanding of how body ownership is related to other abnormalities seen in schizophrenia, could ultimately advance development of new treatments. Research on body ownership in schizophrenia (...) has mainly been investigated with the rubber hand illusion (RHI). Schizophrenia patients show higher susceptibility to the RHI, which may be explained by a stronger reliance on multisensory information over weaker stored body representations. This review shows that a coherent sense of body ownership arises from the integration of both bottom-up sensory processes and higher order, top-down bodily- and perceptual representations. Multisensory integration, temporal binding, anticipation, intention and efferent signals all partly modulate the complex experience of body ownership. Specifically, we propose that patients with schizophrenia have weaker stored body representations, and rely to a greater extent on external stimuli, such as visual information, due to imprecise or highly variable internal predictions on the consequences of action. Moreover, the reduced sense of agency in schizophrenia may additionally contribute to the disturbed sense of body ownership, as evidence from healthy participants suggests that agency and body ownership are interrelated. Vice versa, a reduced sense of body ownership may also contribute to a reduced sense of agency. Future studies should explicitly target the precise relation between the two in schizophrenia. (shrink)

This article examines the inflationary view of the body ownership. It reviews a growing body of empirical research on the sense of body ownership that suggests that the deflationary depends on the integration of somatosensory signals. It discusses the results of recent research on out-of-body experiences and shows that the neurocognitive processes involved in the Rubber Hand Illusion are also involved in OBE. It suggests that this experience of bodily ownership may be a critical component (...) of self-specificity. (shrink)

The experience of one’s body as one’s own is normally referred to as one’s “bodily sense of ownership” (BSO). Despite its centrality and importance in our lives, BSO is highly elusive and complex. Different psychopathologies demonstrate that a BSO is unnecessary and that it is possible to develop a limited BSO that extends beyond the borders of one’s biological body. Therefore, it is worth asking: what grounds one’s BSO? The purpose of this paper is to sketch a (...) preliminary answer to the ‘grounding question.’ Thus, I begin by briefly presenting some contemporary competing hypotheses concerning the ‘grounding question’ and explain why they seem unsatisfying. Second, I discuss the “dual-aspect” of bodily awareness, which is manifest in every normal tactile experience and consists in a subject-object structure of awareness. I then argue that the “dual-aspect” of bodily awareness has the potential of explaining BSO and can, therefore, be considered its grounds. Taking the “dual-aspect” of bodily awareness as the grounds of BSO manages to escape difficulties faced by contemporary hypotheses concerning BSO, fulfills certain necessary demands upon any account of BSO, and explains relevant empirical findings and psychopathologies. Consequently, I argue that it is a hypothesis worth pursuing. (shrink)

ABSTRACT There has been much discussion about the sense of ownership recently. It is a very controversial topic and even minimal consensus seems hard to achieve. In this paper we attempt to assess the prospects of achieving a better understanding of what is meant by 'sense of body ownership'. In order to do so, we begin by addressing an objection on which the notion itself might depend, coming from the distinction between 'inflationary' and 'deflationary' accounts of (...) the sense of body ownership. Once the path is clear, we will consider some influential ways of approaching the issue, which propose grounding the sense of ownership in the spatiality of bodily sensations, the affective dimension of bodily experience, and in its spatial dimension, among other things. We expect the results of our discussion will allow us to both identify the strongest candidates for an account of the sense of body ownership and to determine the challenges that must be met by competing explanations. RESUMEN Recientemente se ha discutido mucho sobre el sentido de propiedad. Se trata de un tema muy controversial, en el que incluso consensos mínimos parecen difíciles de alcanzar. En este artículo intentamos abordar las perspectivas que existen de lograr una mejor comprensión de lo que significa "sentido de propiedad del cuerpo". Para tal fin, empezamos abordando una objeción de la que podría depender la noción misma, derivada de la distinción entre explicaciones 'inflacionarias' y 'deflacionarias' del sentido de propiedad del cuerpo. Una vez se haya despejado el camino, consideraremos algunas aproximaciones reconocidas al asunto, las cuales proponen fundamentar el sentido de propiedad en la espacialidad de las sensaciones corporales, en la dimensión afectiva de la experiencia corporal, en su dimensión espacial, entre otras. Esperamos que los resultados de nuestra discusión nos permitan al mismo tiempo identificar los candidatos más fuertes para explicar el sentido de propiedad del cuerpo y determinar los retos que deben enfrentar las explicaciones en contienda. (shrink)

Open peer commentary on the article “The Plasticity of the Bodily Self: Head Movements in Bodily Illusions and Their Relation to Gallagher’s Body Image and Body Schema” by Marte Roel Lesur, Michael Gaebler, Philippe Bertrand & Bigna Lenggenhager.: In my commentary, I raise some questions about the applicability of Gallagher’s distinction between body image and body schema to the experimental research reported and discussed in the target article. I suggest that the distinction between body image and body schema (...) is of limited help in this context, and that Gallagher’s distinction between sense of ownership and sense of agency provides a more natural and fruitful theoretical framework to discuss that research. (shrink)

What grounds my experience of my body as my own? The body that one experiences is always one’s own, but it does not follow that one always experiences it as one’s own. One might even feel that a body part does not belong to oneself despite feeling sensations in it, like in asomatognosia. The article aims at understanding the link between bodily sensations and the sense of ownership by investigating the role played by the body schema.

I focus on the sense of ownership and ask whether this experience is some­thing over and above one’s bodily experiences, or something intrinsic to them. I consider liberal, deflationary, and phenomenological accounts of the sense of ownership, and I offer an enactive or action-oriented account that takes the sense of ownership to be intrinsic to the phenomenal background and our various bodily senses, including the sense of agency.

In a 1962 article, ‘On Sensations of Position’, G. E. M. Anscombe claimed that we do not feel our legs crossed; we simply know that they are that way. What about the sense of bodily ownership? Do we directly know that this body is our own, or do we know it because we feel this body that way? One may claim, for instance, that we are we aware that this is our own body thanks to our (...) class='Hi'>bodily experiences that ascribe the property of myness to the body that they represent. Here I approach this issue from the perspective of the debate on the admissible content of perception, appealing to the method of phenomenal contrast. After rejecting the myness hypothesis, I criticize alternative accounts of the contrast in somatosensory, cognitive, and agentive terms. I conclude that the phenomenology of ownership consists in the affective awareness of the unique significance of the body for survival. (shrink)

Our own body seems to be the object that we know the best for we constantly receive a flow of internal information about it. Yet bodily awareness has attracted little attention in the literature, possibly because it seems reducible to William James’s description of a “feeling of the same old body always there” (1890, p. 242). But it is not true that our body always feels so familiar. In particular, puzzling neurological disorders and new bodily illusions raise a (...) wide range of questions about the relationship between the body and the self. Although most of the time we experience our body as our own, it is possible to report feeling parts of our body as alien. It is also possible to experience extraneous objects, such as prosthetic hands, as our own. Hence, what makes us feel this particular body as our own? The fact that we feel sensations there? The fact that we can voluntarily move it? Or the fact that it needs protection for self-preservation? To answer these questions, we need a better understanding of the various aspects of bodily self-awareness, including the spatiality of bodily sensations, their multimodality, their role in social cognition, their relation to action, and to self-defence. Mind the Body thus provides a comprehensive treatment of bodily awareness and of the sense of bodily ownership, combining philosophical analysis with recent experimental results from cognitive science. (shrink)

Depersonalization is a pathological condition consisting in a deep modification of the way things appear to a subject, leading him to feel estranged from his body, his actions, his thoughts, his mind and even from himself. In this article, I argue that the study of depersonalization raises three challenges for recent theories of the sense of bodily ownership. These challenges—which I call the centrality challenge, the dissociation challenge and the grounding challenge— thwart most of these theories and (...) suggest that the sense of bodily ownership hinges on a phenomenal mark of mineness that can not be accounted for in terms of our sensory, interoceptive, agentive, cognitive or affective dispositions and that is psychologically primitive. In short: that mineness is first. (shrink)

In this insightful and well-argued article, Osler aims to provide a more fine-grained, phenomenological account of anorectic bodily experience. She notes that although anorexia nervosa often is understood in terms of a distorted body image, this approach does not exhaustively or accurately reflect many subjects' bodily experiences, and also unduly privileges a third-person perspective over first-person accounts. In addition, focusing primarily on body image gives rise to the impression that AN is a form of radical dieting gone wrong (...) as a result of misperceiving or misjudging one's body size or shape. Osler emphasizes that AN is not a static disorder, but rather involves numerous stages. To account for the... (shrink)

In this paper, we introduce and defend the recurrent model for understanding bodily spatial phenomenology. While Longo, Azañón and Haggard (2010) propose a bottom-up model, Bermúdez (2017) emphasizes the top-down aspect of the information processing loop. We argue that both are only half of the story. Section 1 intro- duces what the issues are. Section 2 starts by explaining why the top- down, descending direction is necessary with the illustration from the ‘body-based tactile rescaling’ paradigm (de Vignemont, Ehrsson and (...) Haggard, 2005). It then argues that the bottom-up, ascending direction is also necessary, and substantiates this view with recent research on skin space and tactile field (Haggard et al., 2017). Section 3 discusses the model’s application to body ownership and bodily self-representation. Implications also extend to topics such as sense modality individuation (Macpherson, 2011), the constancy- based view of perception (Burge, 2010), and the perception/cognition divide (Firestone and Scholl, 2016). (shrink)

Experientialism about the sense of bodily ownership is the view that there is something it is like to feel a body as one’s own. In this paper I argue for a particular experientialist thesis. I first present a puzzle about the relation between bodily awareness and self-consciousness, and introduce a somewhat underappreciated view on the sense of bodily ownership, Implicit Reflexivity, that points us in the right direction as to how to address this (...) puzzle. I argue that Implicit Reflexivity, however, does not provide a full solution to the puzzle. I then introduce a novel view on the sense of bodily ownership that inherits a central tenet, Reflexivity, from the above view, without having its flaws. According to Reflexivity, the sense of bodily ownership consists in the reflexive character of bodily sensations, namely in the fact that bodily sensations have experience-dependent properties as part of their content. Cashed out this way, Reflexivity is an attractive way of explicating the notion that bodily sensations are experiences of the body as subject. Reflexivity also highlights a central, but so far neglected, connection between the sense of bodily ownership and the sense of experience ownership. (shrink)

Research on bodily awareness has focused on body illusions with an aim to explore the possible dissociation of our bodily awareness from our own body. It has provided insights into how our sensory modalities shape our sense of embodiment, and it has raised important questions regarding the malleability of our sense of ownership over our own body. The issue, however, is that this research fails to consider an important distinction in how we experience our body. (...) There are indeed two ways in which we can be aware of our body: via observational awareness, which involves attending to the body as an object, and via non-observational awareness, where the body is given as the subject of experience and does not involve attention. The research to date has focused on the former—observational bodily awareness—and has left the latter—non-observational bodily awareness—in the dark. This is detrimental to ever formulating a complete account of how we are aware of our body. It is understandable, however, because of the inherent problem in studying non-observational bodily awareness: how would you instruct subjects to report on their unattended bodily awareness? In view to resolving this problem, I propose here a working hypothesis on the basis of research on interoception and the rubber hand illusion, and on the effect of meditation on awareness and attention. This working hypothesis can show us a way to begin studying non-observational bodily awareness, and finally build a complete theory of bodily awareness. (shrink)

De Vignemont argues that the sense of ownership comes from the localization of bodily sensation on a map of the body that is part of the body schema. This model should be taken as a model of the sense of embodiment. I argue that the body schema lacks the theoretical resources needed to explain this phenomenology. Furthermore, there is some reason to think that a deficient sense of embodiment is not associated with a deficient body (...) schema. The data de Vignemont uses to argue that the body image does not underlie the sense of embodiment does not rule out the possibility that part of the body image I call 'offline representations' underlies the sense of embodiment. An alternative model of the sense of embodiment in terms of offline representations of the body is presented. (shrink)

The aim of our paper is to show that there is a sense of body that is enactive in nature and that enables to capture the most primitive sense of self. We will argue that the body is primarily given to us as source or power for action, i.e., as the variety of motor potentialities that define the horizon of the world in which we live, by populating it with things at hand to which we can be directed (...) and with other bodies we can interact with. We will show that this sense of body as bodily self is, on the one hand, antecedent the distinction between sense of agency and sense of ownership, and, on the other, it enables and refines such distinction, providing a conceptual framework for the coherent interpretation of a variety of behavioral and neuropsychological data. We will conclude by positing that the basic experiences we entertain of our selves as bodily selves are from the very beginning driven by our interactions with other bodies as they are underpinned by the mirror mechanism. (shrink)

Body ownership concerns what it is like to feel a body part or a full body as mine, and has become a prominent area of study. We propose that there is a closely related type of bodily self-consciousness largely neglected by researchers—experiential ownership. It refers to the sense that I am the one who is having a conscious experience. Are body ownership and experiential ownership actually the same phenomenon or are they genuinely different? In (...) our experiments, the participant watched a rubber hand or someone else’s body from the first-person perspective and was touched either synchronously or asynchronously. The main findings: (1) The sense of body ownership was hindered in the asynchronous conditions of both the body-part and the full-body experiments. However, a strong sense of experiential ownership was observed in those conditions. (2) We found the opposite when the participants’ responses were measured after tactile stimulations had ceased for 5 s. In the synchronous conditions of another set of body-part and full-body experiments, only experiential ownership was blocked but not body ownership. These results demonstrate for the first time the double dissociation between body ownership and experiential ownership. Experiential ownership is indeed a distinct type of bodily self-consciousness. (shrink)

We investigate two issues about the subjective experience of one's body: first, is the experience of owning a full-body fundamentally different from the experience of owning a body-part?Second, when I experience a bodily sensation, does it guarantee that I cannot be wrong about whether it is me who feels it? To address these issues, we conducted a series of experiments that combined the rubber hand illusion (RHI) and the “body swap illusion.” The subject wore a head mounted display (HMD) (...) connected with a stereo camera set on the experimenter's head. Sitting face to face, they used their right hand holding a paintbrush to brush each other's left hand. Through the HMD, the subject adopted the experimenter's first-person perspective (1PP) as if it was his/her own 1PP: the subject watched either the experimenter's hand from the adopted 1PP, and/or the subject's own hand from the adopted third-person perspective (3PP) in the opposite direction (180°), or the subject's full body from the adopted 3PP (180°, with or without face). The synchronous full-body conditions generate a “self-touching illusion”: many participants felt that “I was brushing my own hand!” We found that (1) the sense of body-part ownership and the sense of full-body ownership are not fundamentally different from each other; and (2) our data present a strong case against the mainstream philosophical view called the immunity principle (IEM). We argue that it is possible for misrepresentation to occur in the subject's sense of “experiential ownership” (the sense that I am the one who is having this bodily experience). We discuss these findings and conclude that not only the sense of body ownership but also the sense of experiential ownership call for further interdisciplinary studies. (shrink)

This paper seeks to describe and analyze the traumatic experience through an examination of the sense of agency—the sense of controlling one’s body, and sense of ownership—the sense that it is my body that undergoes experiences. It appears that there exist two levels of traumatic experience: on the first level one loses the sense of agency but retains the sense of ownership, whilst on the second one loses both of these, with symptoms (...) becoming progressively more severe. A comparison of the traumatic experience with various modulations of the senses of agency and ownership, from cases involving prostheses to tools requiring greater or lesser extents of control, suggests that the harsher the traumatic event, the greater the damage is to the sense of ownership, resulting in the increasing sense of the body as a tool rather than an original organism. Likewise, the long-term ramifications become more severe according to the significance of the damage to the sense of ownership. (shrink)

Existing phenomenological accounts of anorexia nervosa suggest that various forms of bodily alienation and distorted bodily self-consciousness are common among subjects with this condition. Subjects often experience a sense of distance or estrangement from their body and its needs and demands. What is more, first-person reports and existing qualitative research reveal struggles with authenticity and a search for identity. Is there a connection between the two? I argue that to gain a fuller understanding of anorexia nervosa, how (...) it is experienced by subjects, and why many of them express concerns about authenticity, we need to look more closely at their experiences of bodily alienation and the ways in which they encounter a diminished sense of bodily ownership. After presenting a general overview of the various sorts of bodily alienation that appear to be characteristic of anorexia nervosa, I outline three conceptions of authenticity and introduce some empirical evidence indicating that many subjects with this condition have concerns about identity and authenticity. Then, I examine how different sorts of bodily alienation have the potential to compromise authenticity at various stages of the disorder. Throughout, I draw from several first-person accounts of anorexia nervosa to illustrate and support my claims. (shrink)

Essays on the role of the body in self-consciousness, showing that full-fledged, linguistic self-consciousness is built on a rich foundation of primitive, nonconceptual self-consciousness. These essays explore how the rich and sophisticated forms of self-consciousness with which we are most familiar—as philosophers, psychologists, and as ordinary, reflective individuals—depend on a complex underpinning that has been largely invisible to students of the self and self-consciousness. José Luis Bermúdez, extending the insights of his groundbreaking 1998 book, The Paradox of Self-Consciousness, argues that (...) full-fledged, linguistic self-consciousness is built on a rich foundation of primitive, nonconceptual self-consciousness, and that these more primitive forms of self-consciousness persist in ways that frame self-conscious thought. They extend throughout the animal kingdom, and some are present in newborn human infants. Bermúdez makes the case that these primitive forms of self-awareness can indeed be described as forms of self-consciousness, arguing that they share certain structural and epistemological features with full-fledged, linguistic self-consciousness. He offers accounts of certain important classes of states of nonconceptual content, including the self-specifying dimension of visual perception and the content of bodily awareness, considering how they represent the self. And he explores the general role of nonconceptual self-consciousness in our cognitive and affective lives, examining in several essays the relation between nonconceptual awareness of our bodies and what has been called our “sense of ownership” for our own bodies. (shrink)

Multisensory stimulation has been shown to alter the sense of body-ownership. Given that perceived similarity between one’s own body and those of others is crucial for social cognition, we investigated whether multisensory stimulation can lead participants to experience ownership over a hand of different skin colour. Results from two studies using introspective, behavioural and physiological methods show that, following synchronous visuotactile stimulation, participants can experience body-ownership over hands that seem to belong to a different racial group. (...) Interestingly, a baseline measure of implicit racial bias did not predict whether participants would experience the RHI, but the overall strength of experienced body-ownership seemed to predict the participants’ post-illusion implicit racial bias with those who experienced a stronger RHI showing a lower bias. These findings suggest that multisensory experiences can override strict ingroup/outgroup distinctions based on skin colour and point to a key role for sensory processing in social cognition. (shrink)

Multisensory stimulation has been shown to alter the sense of body-ownership. Given that perceived similarity between one’s own body and those of others is crucial for social cognition, we investigated whether multisensory stimulation can lead participants to experience ownership over a hand of different skin colour. Results from two studies using introspective, behavioural and physiological methods show that, following synchronous visuotactile stimulation, participants can experience body-ownership over hands that seem to belong to a different racial group. (...) Interestingly, a baseline measure of implicit racial bias did not predict whether participants would experience the RHI, but the overall strength of experienced body-ownership seemed to predict the participants’ post-illusion implicit racial bias with those who experienced a stronger RHI showing a lower bias. These findings suggest that multisensory experiences can override strict ingroup/outgroup distinctions based on skin colour and point to a key role for sensory processing in social cognition. (shrink)

This article argues that bodily awareness is a basic form of self-consciousness through which perceiving agents are directly conscious of the bodily self. It clarifies the nature of bodily awareness, categorises the different types of body-relative information, and rejects the claim that we can have a sense of ownership of our own bodies. It explores how bodily awareness functions as a form of self-consciousness and highlights the importance of certain forms of bodily awareness (...) that share an important epistemological property with canonical forms of self-consciousness such as introspection. (shrink)

In a recent paper, Fredérique de Vignemont has argued that there is a positive quale of bodily ownership . She thinks that tactile and other forms of somatosensory phenomenology incorporate a distinctive feeling of myness and takes issue with my defense in Bermúdez of a deflationary approach to bodily ownership. That paper proposed an argument deriving from Elizabeth Anscombe’s various discussions of what she terms knowledge without observation . De Vignemont is not convinced and appeals to (...) the Rubber Hand Illusion to undercut my appeal to Anscombe. Section 1 of this article restates the case against the putative quale of ownership. Section 2 explains why de Vignemonts’ objections miss the mark. Section 3 discusses in more detail how to draw a principled distinction between bodily awareness and ordinary perceptual awareness. (shrink)

The Abhidharma Buddhist revisionary metaphysics aims to provide an intellectually and morally preferred picture of the world that lacks a self. The first part of the paper claims that the Abhidharma ‘no-self’ view can be plausibly interpreted as a no-ownership view, according to which there is no locus or subject of experience and thus no owner of mental or bodily awarenesses. On this interpretation of the no-self view, the Abhidharma Buddhist metaphysicians are committed to denying the ownership (...) of experiences, and thereby apparently obliged to explain our purported experience of ownership. My experiences seemingly come with the sense that I am the one who is undergoing this experience. But is there a really an experience of ownership—namely, an experience of being a subject that underlies our sense of ownership? I argue that there is nothing that it is like to be an owner of experiences, in the sense that there is no experiential phenomenology associated with the ownership of experience. The second part of the paper argues that, since there is no experience of ownership, there is no onus on the Abhidharma philosopher to give an explanation of the sense of ownership. (shrink)

We previously showed that the illusory sense of ownership and agency over a moving body in immersive virtual reality can trigger subjective and physiological reactions on the real subject’s body and, therefore, an acute improvement of cognitive functions after a single session of high-intensity intermittent exercise performed exclusively by one’s own virtual body, similar to what happens when we actually do physical activity. As well as confirming previous results, here, we aimed at finding in the elderly an increased (...) improvement after a longer virtual training with similar characteristics. Forty-two healthy older subjects completed a parallel-group randomized controlled trial including an adapted version of the virtual training previously used: while sitting, participants observed the virtual body in a first-person perspective or a third-person perspective performing 20 min of virtual high-intensity intermittent exercise. This was repeated twice a week for 6 weeks. During the vHIE, we measured the heart rate and administered questionnaires to evaluate illusory body ownership and agency. Before the beginning of the intervention, immediately after the first session of vHIE, and at the end of the entire intervention, we evaluated the cognitive performance at the Stroop task with online recording of the hemodynamic activity over the left dorsolateral prefrontal cortex. While we confirm previous results regarding the virtual illusion and its physiological effects, we did not find significant cognitive or neural improvement immediately after the first vHIE session. As a novelty, in the 1PP group only, we detected a significant decrease in the response time of the Stroop task in the post-intervention assessment compared to its baseline; coherently, we found an increased activation on left dorsolateral prefrontal cortex after the entire intervention. While the current results strengthen the impact of the virtual full-body illusion and its physiological consequences on the elderly as well, they might have stronger and more established body representations. Perhaps, a longer and increased exposure to those illusions is necessary to initiate the cascade of events that culminates to an improved cognitive performance. (shrink)

Debates about bodily ownership and psychological ownership have typically proceeded independently of each other. This paper explores the relation between them, with particular reference to how each is illuminated by psychopathology. I propose a general framework for studying ownership that is applicable both to bodily ownership and psychological ownership. The framework proposes studying ownership by starting with explicit judgments of ownership and then exploring the bases for those judgments. Section 3 discusses (...) John Campbell’s account of ψ-ownership in the light of that general framework, emphasizing in particular his fractionation of ψ-ownership into two dissociable components. Section 4 briefly presents an account of φ-ownership that I have developed in more detail elsewhere. Section 5 explores the suggestion, originating with Alexandre Billon, that there needs to be an integrated account of φ-ownership and ψ-ownership because depersonalization disorders typically involve breakdowns of both φ-ownership and ψ-ownership. The argument from depersonalization is not compelling, but Section 6 proposes a different way of reaching the same conclusion. Section 7 shows how reflecting on agency and practical reasoning offers a common thread between the models of φ-ownership and ψ-ownership discussed earlier in the paper. (shrink)

Upshot: In the model simulation and the human experiment, we observed that attention shifted from a tool to a task. This was accompanied by bodily extension. However, our experiments lack a sense of bodily incorporation (the sense of ownership. Based on the valuable commentaries, we would like to discuss the necessary conditions for possible bodily incorporation in terms of redundant degrees of freedom, synchronous visual tactile stimulation, and 1/f noise.

I introduce and defend the notion of a cognitive account of the sense of ownership. A cognitive account of the sense of ownership holds that one experiences something as one's own only if one thinks of something as one's own. By contrast, a phenomenal account of the sense of ownership holds that one can experience something as one's own without thinking about anything as one's own. I argue that we have no reason to favour (...) phenomenal accounts over cognitive accounts, that cognitive accounts are plausible given that much of our mental activity has unnoticed effects on our mental life, and that certain illusory experiences of body ownership sometimes described as thought-independent may be best explained as imaginative perceptual experiences. (shrink)

Malebranche holds that the feeling of having a body comes in three main varieties. A perceiver sensorily experiences herself (1) as causally connected to her body, in so far as the senses represent the body as causing her sensory experiences and as uniquely responsive to her will, (2) as materially connected to her body, in so far as the senses represent the perceiver as a material being wrapped up with the body, and (3) as perspectivally connected to her body, in (...) so far as the external senses represent the world from the body’s perspective. In addition to distinguishing these varieties of embodied experience, I explain why the perceiver experiences her connection to the body in these ways. Although Malebranche often casts the experience of embodiment in a negative light, his considered view is that this experience contributes to our survival and salvation. (shrink)