There is an increasing suspicion that Multiple Personality Disorder is one extreme along a continuum of dissociative phenomena, ranging from children’s pretend play and dreams at one end, through borderline personality disorder, posttraumatic stress syndrome, dissociative disorders not originally specified to a severe and complete personality fragmentation at the other. In this essay, we address the questions of whether a continuum view is correct and how to characterize the differences among the various disorders through distinguishing multiplex from multiple selves. This (...) analysis has implications for how the symptoms of MPD should be characterized and treated as well as shedding some light on the relation between conscious experience and selfhood. (shrink)

In this essay, we present three case studies which suggest that sometimes we are better off supporting a so–called irrational suicide, and that emotional or psychological distress – even if medically controllable – might justify a suicide. We underscore how complicated these decisions are and how murky a physician's moral role can be. We advocate a more individualized route to end–of–life care, eschewing well–meaning, principled, generalizations in favor of a highly contextualized, patient–centered, approach. We conclude that our Western traditions of (...) promoting reasoned behavior and life themselves may at times be counter–productive. (shrink)

or Browse over 3500 reviews in " by Valerie Hardcastle, Ph.D. " _Metapsychology_.

Evolutionary psychologists claim that the mind contains “hundreds or thousands” of “genetically specified” modules, which are evolutionary adaptations for their cognitive functions. We argue that, while the adult human mind/brain typically contains a degree of modularization, its “modules” are neither genetically specified nor evolutionary adaptations. Rather, they result from the brain’s developmental plasticity, which allows environmental task demands a large role in shaping the brain’s information-processing structures. The brain’s developmental plasticity is our fundamental psychological adaptation, and the “modules” that result (...) from it are adaptive responses to local conditions, not past evolutionary environments. If different individuals share common environ- ments, however, they may develop similar “modules,” and this process can mimic the development of genetically specified modules in the evolutionary psychologist’s sense. (shrink)

In Sisyphus's Boulder, Eric Dietrich and Valerie Hardcastle argue that we will never get such a theory because consciousness has an essential property that..

What is consciousness? Of course, each of us knows, privately, what consciousness is. And we each think, for basically irresistible reasons, that all other conscious humans by and large have experiences like ours. So we conclude that we all know what consciousness is. It's the felt experiences of our lives. But that is not the answer we, as cognitive scientists, seek in asking our question. We all want to know what physical process consciousness is and why it produces this very (...) strange, almost mysterious, phenomenon of felt experience. (shrink)

This book is perhaps the first to open a dialogue between the two disciplines.

What is consciousness? Of course, each of us knows, privately, what consciousness is. And we each think, for basically irresistible reasons, that all other conscious humans by and large have experiences like ours. So we conclude that we all know what consciousness is. It's the felt experiences of our lives. But that is not the answer we, as cognitive scientists, seek in asking our question. We all want to know what physical process consciousness is and why it produces this very (...) strange, almost mysterious, phenomenon of felt experience. (shrink)

Volume 19, Issue 12, December 2019, Page 66-68.

There is a bias in neuroscience toward localizing and modularizing brain functions. Single cell recording, imaging studies, and the study of neurological deficits all feed into the Gallian view that different brain areas do different things and the things being done are confined to particular processing streams. At the same time, there is a growing sentiment that brains probably don’t work like that after all; it is better to conceive of them as fundamentally distributed units, multi‐tasking at every level. This (...) sentiment, however, is much less congenial to the tried‐and‐true experimental protocols available today and to theorizing about the brain in general. This essay examines the tension between current experimental methods and large-scale views of the brain. We argue that this disconnection between experiment and what really are guiding theoretical metaphors seriously impedes progress in neuroscience. (shrink)

Spelling out in detail what we do and do not know about phenomenological experience, this book denies the common view of consciousness as a central decision...

There is a bias in neuroscience toward localizing and modularizing brain functions. Single cell recording, imaging studies, and the study of neurological deficits all feed into the Gallian view that different brain areas do different things and the things being done are confined to particular processing streams. At the same time, there is a growing sentiment that brains probably don’t work like that after all; it is better to conceive of them as fundamentally distributed units, multi‐tasking at every level. This (...) sentiment, however, is much less congenial to the tried‐and‐true experimental protocols available today and to theorizing about the brain in general. This essay examines the tension between current experimental methods and large-scale views of the brain. We argue that this disconnection between experiment and what really are guiding theoretical metaphors seriously impedes progress in neuroscience. (shrink)

What is required to be an interdisciplinary theory in cognitive science is for it to span more than one traditional domain. Generally speaking, as I discuss ...

While the research programs in early cognitive science and artificial intelligence aimed to articulate what cognition was in ideal terms, much research in contemporary computational neuroscience looks at how and why brains fail to function as they should ideally. This focus on impairment affects how we understand David Marr's hypothesized three levels of understanding. In this essay, we suggest some refinements to Marr's distinctions using a population activity model of cortico-striatal circuitry exploring impulsivity and behavioral inhibition as a case study. (...) In particular, we urge that Marr's computational level should be redefined to include a description of how systems break down. We also underscore that feed-forward processing, cognition disconnected from behavioral context, and representations do not always drive cognition in the way that Marr originally assumed. (shrink)

Given what we know about the segregated nature of the brain and the relative absence of multi-modal association areas in the cortex, how percepts become unified is not clear. However, if we could work out how and where the brain joins together segregated outputs, we would have a start in localizing the neuronal processes that correlate with conscious perceptual experiences. In this essay, I critically examine data relevant for understanding the neurophysiological underpinnings of perception. In particular, I examine the possibility (...) that 40 Hz. oscillatory firing patterns in cortex are important lower-level neuronal events related to perceptual experiences. I suggest that `binding' - understood as a process of hooking together disparate psychological units - reduces to a property inherent in the structure of our brain's firing patterns. However, this reduction may not reflect the firing rates of individual cells, but instead a `higher level' order superimposed on individual cells' activity. (shrink)

In their recent bookUnfit for the Future, Persson and Savulescu make a heartfelt plea for the increasing necessity of “moral enhancement”, interventions that improve human capacities for moral behaviour.3They argue that, with all the technological advances of the 20thand 21stcenturies, the sheer scope of horror that humans can now potentially wreak on their neighbours or the world is staggering. Hence, we are morally obliged to use interventions at our disposal to prevent such atrocities. However, as we learn more about human (...) behaviour and decision-making, the argument that we are morally obligated to morally enhance our friends, neighbours, or countrymen starts to fall apart. For us to be more moral requires more than sharpening our reasoning capacities so that we can more effectively recognise what is better or increasing personal motivation so that we are more likely to do what is good. It requires that we all agree on what the good is and how to achieve it, and that there are no social, cultural, physical, or psychological impediments that prevent us from recognising the good or acting on it. To illustrate my position, I use the phenomenon of self-radicalised terrorists as a case study. In particular, I focus on how historians, psychologists, sociologists, criminologists, and political scientists understand the process of self-radicalisation, who self-radicalises, and why, and what all this tells us about it should be “treated”. Part of my purpose in working my way through this case study is to demonstrate that many philosophers misunderstand or over-simplify the science behind so-called immoral actions; consequently, their discussions of whether to enhance someone's morality miss their mark. (shrink)

In trying to characterize the relationship between psychology and neuroscience, the trend has been to argue that reductionism does not work without suggesting a suitable substitute. I offer explanatory extension as a good model for elucidating the complex relationship among disciplines which are obviously connected but which do not share pragmatic explanatory features. Explanatory extension rests on the idea that one field can "illuminate" issues that were incompletely treated in another. In this paper, I explain how this "illumination" would work (...) between psychology and neuroscience. (shrink)

It is important to separate the question of binding from the problem of consciousness. Undoubtedly, there are some close connections between the two: my conscious experience is of a bound unity. But my unconscious experiences -- subliminal impressions, masked primings, etc. -- might be bound too for all I know. Hence, some of the recent commentators speak too loosely when they talk of 40 Hz oscillations solving some problem of conscious perception.

In this essay, I hope to make clearer what the points of division between the materialists and the sceptics are. I argue that the rifts are quite deep and turn on basic differences in understanding the scientific enterprise. In section I, I outline the disagreements between David Chalmers and me, arguing that consciousness is not a brute fact about the world. In section II, I point out the fundamental difference between the materialists and the sceptics, suggesting that this difference is (...) not something that further discussion or argumentation can overcome. In the final section, I outline one view of scientific explanation and conclude that the source of conflict really turns on a difference in the rules each side has adopted in playing the game. (shrink)

There is a difference between someone breaking a glass by accidentally brushing up against it and smashing a glass in a fit of anger. In the first case, the person's cognitive state has little to do with the event, but in the second, the mental state qua anger is quite relevant. How are we to understand this difference? What is the proper way to understand the relation between the mind, the brain, and the resultant behavior? This paper explores the popular (...) "middle ground" reply in which mental phenomena are claimed to be "as real as" other higher level properties. It argues that this solution fails to answer epistemological difficulties surrounding how to chose the appropriate factors in an explanation. A more sophisticated understanding of scientific theorizing and of the relation between ontology and explanation give us a framework in which we can determine when we should refer to mental states as being the causally efficacious agents for some behavior. (shrink)

There is a difference between someone breaking a glass by accidentally brushing up against it and smashing a glass in a fit of anger. In the first case, the person’s cognitive state has little to do with the event, but in the second, the mental state qua anger is quite relevant. How are we to understand this difference? What is the proper way to understand the relation between the mind, the brain, and the resultant behavior? This paper explores the popular (...) “middle ground” reply in which mental phenomena are claimed to be “as real as” other higher level properties. It argues that this solution fails to answer epistemological difficulties surrounding how to chose the appropriate factors in an explanation. A more sophisticated understanding of scientific theorizing and of the relation between ontology and explanation give us a framework in which we can determine when we should refer to mental states as being the causally efficacious agents for some behavior. (shrink)

Our brains process visual data in segregated, specialized cortical areas. As is commonly remarked, the brain processes the what and the where of its environment in separate, distal locations. Indeed, regarding the what information that the brain computes, it responds to edges, colors, and movements using different neuronal pathways. Moreover, so far as we can tell, there are no true association areas in our cortices. There are no convergence zones where information is pooled and united; there are no central neural (...) areas dedicated to information exchange. Still, the visual features that we extract separately have to come together in some way, since our experiences are of these features united together into a single unit. The binding problem is explaining how our brains do that, given the serial, distributed nature of our visual processing. How do our minds know to join the perception of a shape with the perception of its color to give us the single, unified experience of a colored object? (shrink)

I examine what happens in the brain when patients experience chronic pain and when subjects are addicted to alcohol. We can find important parallels between these two cases, and these parallels can perhaps point us toward new ways of treating (or at least understanding) both issues. Interestingly, we can understand both cases as our pleasure system gone awry. In brief, I argue that chronic pain and alcohol addiction both stem from a dysregulation in our brain’s reward structure. This dysregulation in (...) what should be our pleasure circuitry pushes individuals to behave in ways counterproductive to their needs and to feel unpleasant things. In other words, there is likely both something quite right and perhaps quite wrong about how some philosophers are thinking about pain as an evaluative state. I shall be arguing that pain is both hedonic and evaluative, though perhaps not in the ways they are imagining. (shrink)

In lieu of an abstract, here is a brief excerpt of the content:Philosophy, Psychiatry, & Psychology 10.4 (2003) 353-355 [Access article in PDF] Emotions and Narrative Selves Valerie Gray Hardcastle In their commentaries, both Phillips (2003) and Woody (2003) agree that the affective side of personhood needs to be better addressed in narrative views of self. In their arguments, they focus mainly on how a patient or a subject is here and now. In contrast, Kennett and Matthews (2003) (...) take a longer view and argue for the importance of a diachronic unity for selfhood. This commentary seeks to integrate these views by discussing how emotions are central to building our personal sense of unified agency. 1Phillips and Woody are right: most philosophical discussions of the narrative view of self are overly cognitive and focus too much attention on our linguistic story-telling abilities and not enough on what it is like to be a person experiencing the world. This is too bad, for it is our affective reactions that drive our personal life narratives. Consider: of all the experiences in the world, we only chose a small subset to become or represent who we are. I regularly eat cold cereal for breakfast before heading off to work, but if you ask me to describe myself, I describe my work or my children, not my breakfast-eating habits. Why is this? I identify with my work, my family life, or my play, but not with my sleeping patterns, the trajectories I chose when I drive, or how I brush my teeth. How is it that I have selected the former activities to highlight in my self-stories, but not the latter?I maintain that I choose the former because I have strong affective ties to them, ties that I do not have to driving routes or personal hygiene. And these ties are what determine what gets into our narratives of self. Actually, my claim is stronger than that. I believe that our emotions not only color what we do but they also allow us to act in the first place (this discussion is greatly expanded in my forthcoming book).Humans delight in pretending that our most prized and most humanly attribute is our forebrain, which houses, we also pretend, our capacity for rational thought. Since Plato at least we have held that subduing our passions to the iron rule of reason is our supreme aspiration; it is the ideal for human cognition. Ironically, we think that the more we are like Star Trek's alien Mr. Spock, the more human we really are.But what would life really be like with an overdeveloped forebrain and without emotion? Let us consider more carefully what it is we really prize about being human. We can rationalize well, it is true, but we do so in the service of personal goals. As Aristotle reminds us, we have practical rationality; we have means-ends reasoning with a point. This is just another way of saying that it is imperative that we identify what is important to us prior to cognizing.Obviously, one might scoff, we need an end to engage in means-ends reasoning. But often, I think, what having an end entails is not well appreciated. These days it is fashionable to believe that our fundamental ends—survival and reproduction—are set by our biology and that all [End Page 353] other ends (or most other ends) derive from them in some fashion. Maybe this story is true, but it obscures how ends—whether they be hardwired in or they come later—function in the human psyche.At a bare minimum, that we have particular ends tells us that we have to tag our abstractions, interpretations, and matched patterns with valances—some things are good, some things are bad, and some are indifferent. Tagging our experiences thus is just what it means to have emotions; we are reacting affectively to our world around us. And it is these reactions that determine which inputs we respond to and which we ignore. We literally cannot move about in our world without emotion. I think, perhaps, that this fact is what Phillips and Woody are... (shrink)

A great deal of interest and excitement surround the interface between the philosophy of biology and the philosophy of psychology, yet the area is neither well defined nor well represented in mainstream philosophical publications. This book is perhaps the first to open a dialogue between the two disciplines. Its aim is to broaden the traditional subject matter of the philosophy of biology while informing the philosophy of psychology of relevant biological constraints and insights.The book is organized around six themes: functions (...) and teleology, evolutionary psychology, innateness, philosophy of mind, philosophy of science, and parallels between philosophy of biology and philosophy of mind. Throughout, one finds overlapping areas of study, larger philosophical implications, and even larger conceptual ties. Woven through these connections are shared concerns about the status of semantics, scientific law, evolution and adaptation, and cognition in general. Contributors André Ariew, Mark A. Bedau, David J. Buller, Paul Sheldon Davies, Stephen M. Downes, Charbel Niño El-Hani, Owen Flanagan, Peter Godfrey-Smith, Todd Grantham, Valerie Gray Hardcastle, Gary Hatfield, Daniel W. McShea, Karen Neander, Shaun Nichols, Antonio Marcos Pereira, Tom Polger, Lawrence A. Shapiro, Kim Sterelny, Robert A. Wilson, William C. Wimsatt. (shrink)

What counts as a computation and how it relates to cognitive function are important questions for scientists interested in understanding how the mind thinks. This paper argues that pragmatic aspects of explanation ultimately determine how we answer those questions by examining what is needed to make rigorous the notion of computation used in the (cognitive) sciences. It (1) outlines the connection between the Church-Turing Thesis and computational theories of physical systems, (2) differentiates merely satisfying a computational function from true computation, (...) and finally (3) relates how we determine a true computation to the functional methodology in cognitive science. All of the discussion will be directed toward showing that the only way to connect formal notions of computation to empirical theory will be in virtue of the pragmatic aspects of explanation. (shrink)

On the one hand, we think that our conscious perceptions are tied to some stage of whatever processing stream we have. On the other hand, we think that our conscious experiences have to resemble the computational states that instantiate them. However, nothing in our alleged stream resembles our experienced perceptions. Hence, a conflict. The question is: How can we go from what we know about neurons, their connections, and firing patterns, to explaining what conscious perceptual experiences are like? No intuitive (...) answer seems plausible. Our perceptual experiences are complex and unified; however, brains divide their processing tasks into small chunks and segregate those smaller pieces across the gray matter. In this essay, I conjecture that what corresponds to our visual perceptions are higher order patterns of bifurcation in an attractor phase space. If I am correct, then the problem of the explanatory gap in philosophy, the binding problem in psychology, and the problem of perception in neuroscience disappear. If the traditional computational perspective is wrong, and sensory processing is not piece-meal, step-wise, and segregated, then there is no need for something in the head to tie things together. (shrink)

Since at least the time of Darwin, we have recognized that our human emotional life is very similar to the emotional life of other creatures. We all react in characteristic ways to emotionally valenced stimuli. Though other animals may not blush or cry, we all have prototypical ways of expressing anger, disgust, fear, sadness, happiness, and curiosity. In assuming that the neural circuits underlying these reactions are homologous or at least analogous across species, neurophysiologists and neuropsychologists have been able to (...) construct impressive and substantial research programmes studying the neural correlates for emotion. They are to be applauded, for we now know quite a lot about where and how basic emotions are processed in the brain. At the same time, there is a dangerous trend developing in the study of emotion in neurophysiology and neuropsychology, a trend toward oversimplifying and reducing emotional responses to the point of distortion. We all know that scientists must abstract away from much of what is going on in order to produce quantitative and unambiguous data. We also know that scientists operate using several basic methodological, technological, and theoretical assumptions. The question I wish to address here is whether, in the case of emotions, scientists haven't gone too far in their tendency to modularize brain processes and to reduce reactions down to their simplest components. (shrink)

Newly developed Bayesian perspectives on schizophrenia hold out the promise that a common underlying mechanism can account for many, if not all, of the positive symptoms of schizophrenia. If this is the case, then understanding how schizophrenic minds go awry could shine light on how healthy minds maintain a sense of self. This article investigates this Bayesian promise by examining whether the approach can indeed account for the difficulties with self-awareness experienced in schizophrenia. While I conclude that it cannot, I (...) nonetheless maintain that understanding how the self breaks down in schizophrenia tells us much about how and why the self functions in normal human circumstances. I proceed first by recounting in some detail a Bayesian interpretation of perception, schizophrenia, and self-awareness, as well as some of the empirical data supporting this interpretation, then by exploring aspects of schizophrenia that this approach leaves out. I conclude by discussing what the “left out” aspects tell us about self-awareness, thereby convincing the reader that studying patients with schizophrenia is indeed a useful avenue for understanding awareness of self. (shrink)

This essay addresses the question: What is the probative value of including neuroscience data in court cases where the defendant might have had a traumatic brain injury? That is, this essay attempts to articulate how well we can connect scientific data and clinical test results to the demands of the Daubert standard in the United States’ court system, and, given the fact that neuroimaging is already being used in our courts, what, if anything, we should do about this fact. Ultimately, (...) I am not sure that there are completely satisfactory answers to this query at this particular time in our legal history. I briefly rehearse the recent use of brain research in our legal system, summarize how neuroscience data regarding TBI and its relation to poor behavioral outcomes are currently used in the courtroom, review challenges with using these data, and highlight fundamental tensions between how the legal system views the causes of behavior and how medicine, neuroscience, and psychology do. Until these tensions are resolved, it is unclear the place neuroscience data should have in courts. (shrink)

This paper challenges a central tenet of constructive empiricism, namely that empirical adequacy has a privileged epistemic status. I argue that perceptions of observables are theory-wrought, and theory-wrought in the same ways as the observation sentences we use to describe those perceptions, van Fraassen can draw no privileged or fundamental distinction between what we observe and interpreting those observations through theory. Since empirical adequacy depends upon accurately describing what we observe, and we have no theory-independent reason to believe that what (...) we ‘observe’ is a reflection of what is true, then empirical adequacy can inherit no special connection to what is real via what we observe. The epistemological significance of empirical adequacy is thereby reduced. (shrink)

There are three basic skeptical arguments against developing a scientific theory of consciousness: theory cannot capture a first person perspective; consciousness is causally inert with respect to explaining cognition; and the notion "consciousness" is too vague to be a natural kind term. Although I am sympathetic to naturalists' counter-arguments, I also believe that most of the accounts given so far of how explaining consciousness would fit into science are incorrect. In this essay, I indicate errors my colleagues on both sides (...) of the fence make in thinking about this issue, as well as outline data relevant to distinguishing conscious states from unconscious ones empirically. (shrink)