William Robinson

A thought experiment focuses attention on the kinds of commonalities and differences to be found in two small parts of visual cortical areas during responses to stimuli that are either identical in quality, but different in location, or identical in location and different only in the one visible property of colour. Reflection on this thought experiment leads to the view that patterns of neural activation are the best candidates for causes of qualitatively conscious events . This view faces a strong objection, namely, that patterns can be realized in many media, and thus candidates for patterns that cause qualia might be realized in ways that would not plausibly result in consciousness. It is argued that this objection can be overcome if qualia-causing patterns of events must be realized within small spatial and temporal regions. Much more importantly, it is argued that this restriction on region size need not be ad hoc. The key concept needed to establish this important point is ‘natural salience’, i.e., distinction from background noise that does not depend on application of a criterion of selection. It is explained how natural salience could figure in an empirically-based theory that would entail size restrictions for qualia-causing neural activation patterns. The question is then raised as to how the resulting view diverges from Chalmers’ account, which relies on the Principle of Organizational Invariance. A second thought experiment envisages replacement of neurons by computer chips with synaptic interfaces. Reflection on this thought experiment enables us to conceptually, and possibly empirically, separate the two views. An argument for preferring the patterns- as-causes , or PACQ, view is given. Because natural salience does not plausibly produce strictly discontinuous boundaries between pattern and noise, questions naturally arise as to the relation of the PACQ view to panpsychism and to ‘emergence’. The PACQ view is distinguished from panpsychism, and it is explained how the former avoids what Seager calls ‘the combination problem', and is thus preferable to panpsychism. The relation of the PACQ view to ‘emergence’ is explained. The conclusion of the paper is that the PACQ view is a philosophically defensible and potentially scientifically fruitful view that offers qualia realists the best hypothesis concerning the neural causes of qualia

Peter Carruthers offers a model that embraces first order representations and higher order representations or higher order thoughts . His model stipulates certain features of FORs and HOTs. Carruthers agrees with qualia realists that the FORs of his model are not adequate for phenomenal consciousness, and invokes HOTs to supply the required addition. It is argued that Carruthers' HOTs fail to provide anything that will enable him to account for phenomenal consciousness, i.e., that his model fails to include phenomenal consciousness and thus provides no help in understanding human consciousness, animal consciousness, or the "hard problem". In "Natural Theories of Consciousness" Peter Carruthers describes a model that he claims will show the "hard problem" to be not so hard after all. To evaluate this claim, we should begin with the model, which contains the following elements and stipulations

This paper offers an account of why the Hard Problem cannot be solved within our present conceptual framework. The reason is that some property of each conscious experience lacks structure, while explanations of the kind that would overcome the Hard Problem require structure in the occurrences that are to be explained. This account is apt to seem incorrect for reasons that trace to relational theories of consciousness. I thus review a highly developed representative version of relational theory and explain why I do not find it acceptable. This rejection requires a nonrelational alternative, which I describe and defend against a certain further objection. Finally, I discuss implications of the foregoing for the views of McGinn and Chalmers

Robert Nozick (1993) has offered an evolutionary account of self-evident beliefs that comes into conflict with a "mild realist" (Dennett, 1991a) view of beliefs. This chapter summarizes both views, and explains the conflict. Emergence is examined. Mild realism is found to embrace "emergence" in an acceptable sense, and to eschew it in its problematic sense. Nozick's cases of self-evident beliefs are examined and difficulties in his account are explained. An alternative approach is developed that avoids the difficulties in Nozick's account and is compatible with mild realism. Implications of mild realism for concepts are drawn.

Recent criticisms of epiphenomenalism include a meaning objection. This is a self-stultification objection according to which epiphenomenalism is incoherent, because phenomenal terms could not mean what epiphenomenalists say they mean if epiphenomenalism were true. This paper seeks to remove the sting of this objection by showing that one can construct a coherent epiphenomenalist theory of meaning from any coherent account that may be offered by a phenomenal realist physicalist. This argument bears adversely on an important argument offered by Balog , and some arguments given in support of her view can be re-targeted as arguments against my conclusion. These arguments are reviewed and answered

Panexperientialists hold that experience is a fundamental feature of our universe, and that their view avoids radical emergence by providing an intelligible ground for our human experiences. This paper argues that they face a radical emergence problem of their own, and that they can avoid radical emergence only by adopting a strategy that can also be used by dualists (whose view they reject). It also argues that panexperientialists must either hold that all experiential properties they regard as simple must have been actually instantiated since the earliest days of our universe, or accept radical emergence, or avoid radical emergence by a strategy that can also be adopted by dualists.

This paper addresses the question whether evolutionary principles are compatible with epiphenomenalism, and argues for an affirmative answer. A general summary of epiphenomenalism is provided, along with certain specifications relevant to the issues of this paper. The central argument against compatibility is stated and rebutted. A specially powerful version of the argument, due to William James (1890), is stated. The apparent power of this argument is explained as resulting from a problem about our understanding of pleasure and an equivocation on 'explanation'. Finally, an argument by Plantinga (2004), which applies to beliefs rather than phenomenal qualities, is stated and rebutted.

Understanding Consciousness offers both a useful introduction to problems of consciousness and an explanation and defense of Velmans’ own view. Two distinctive aspects of the latter are full recognition of the spatial character of many of our experiences, and equal respect for first- and third-person points of view. These features underlie a neo-Kantian view of representation of objects, and lead Velmans to reject epiphenomenalism despite advancing arguments to show that, from a third-person point of view, consciousness makes no causal contribution to behavior. Difficulties attend several of Velmans’ points, among them his way of rejecting of epiphenomenalism, and his use of the concept of representation. But some of his arguments contain ideas that are likely to prove important in the development of the study of consciousness

Arguments for property dualism offer a strong challenge to materialist views, but even if they are regarded as successful, a large task remains, namely, to develop a positive account of the place of non-physical properties in the world -- one that holds some promise of eventual satisfaction regarding the hard problem. After noting some difficulties in current approaches to this task, this paper outlines one possible line of development for a dualistic view. Like all other suggestions for routes to progress in this area, this one is speculative. However, the empirical findings that would support this line of development lie within current epistemic possibility. Moreover, the conceptual changes that would be required are intelligible from our present vantage point, and have parallels in views that are accepted in science and by non-dualist philosophers

William S. Robinson has for many years written insightfully about the mind-body problem. In Understanding Phenomenal Consciousness he focuses on sensory experience and perception qualities such as colours, sounds and odours to present a dualistic view of the mind, called Qualitative Event Realism, that goes against the dominant materialist views. This theory is relevant to the development of a science of consciousness which is now being pursued not only by philosophers but by researchers in psychology and the brain sciences. This provocative book will interest students and professionals who work in the philosophy of mind and will also have cross-disciplinary appeal in cognitive psychology and the brain sciences.

How is a science--especially one not yet mature--properly to be described? This question is considered in Von Eckardt's first chapter and in a lengthy appendix that summarizes, criticizes, and amends philosophies of science offered by logical positivism, Kuhn, and Laudan. The result, which structures the book, is that a developing science can be characterized by a framework of shared commitments of its practitioners. The shared commitments of cognitive scientists, stated at the end of the first chapter and explained thereafter, concern the domain of the investigation, its basic questions, its substantive assumptions, and its methodological assumptions. In most cases, the commitments are descriptive, that is, they are agreed to by all or almost all practitioners of cognitive science. In some cases, a commitment is defended normatively, for instance, as required to render actual practice coherent. A few claims, such as the requirement for constituent structure in representations, are included in the list with a question mark.

Psychosemantics consists of four chapters, a brief epilogue, and an appendix. The chapters explain and argue for the book's main thesis, which is that "We have no reason to doubt--indeed, we have substantial reason to believe--that it is possible to have a scientific psychology that vindicates commonsense belief/desire explanation". The epilogue offers a quasi-transcendental deduction of the innateness of our knowledge of human psychology. The appendix gives three updated and refined arguments for the thesis of its title, "Why There Still Has to Be a Language of Thought."

Epiphenomenalism is the view that mental events are caused by physical events in the brain, but have no effects upon any physical events. Behavior is caused by muscles that contract upon receiving neural impulses, and neural impulses are generated by input from other neurons or from sense organs. On the epiphenomenalist view, mental events play no causal role in this process. Huxley (1874), who held the view, compared mental events to a steam whistle that contributes nothing to the work of a locomotive. James (1879), who rejected the view, characterized epiphenomenalists' mental events as not affecting the brain activity that produces them "any more than a shadow reacts upon the steps of the traveller whom it accompanies"

. An attempt is made to identify a concept of ‘downward causation’ that will fit the claims of some recent writers and apply to interesting cases in biology and cognitive theory, but not to trivial cases. After noting some difficulties in achieving this task, it is proposed that in interesting cases commonly used to illustrate ‘downward causation’, (a) regularities hold between multiply realizable properties and (b) the explanation of the parallel regularity at the level of the realizing properties is non-trivial. It is argued that the relation between a realizable property and the property that realizes its effect in a particular case is not usefully regarded as a species of causation and that use of the concept of downward causation deflects our attention from our central explanatory tasks.

The liking of a sensation, e.g., a taste, is a conscious occurrent but does not consist in having the liked sensation accompanied by a "pleasure sensation" - for there is no such sensation. Several alternative accounts of liking, including Aydede's "feeling episode" theory and Schroeder's representationalist theory are considered. The proposal that liking a sensation is having the non-sensory experience of liking directed upon it is explained and defended. The pleasure provided by thoughts, conversations, walks, etc., is analyzed and brought into relation to the account of liking one's sensations

Silent thinking is often accompanied by subvocal sayings to ourselves, imagery, emotional feelings, and non-sensory experiences such as familiarity, rightness, and confidence that we can go on in certain ways. Phenomenological materials of these kinds, along with our dispositions to give explanations or draw inferences, provide resources that are sufficient to account for our knowledge of what we think, desire, and so on. We do not need to suppose that there is a distinctive, non-imagistic 'what it is like' to think that p, and a different non-imagistic 'what it is like' to think that q. Nor need we suppose that there is a proprietary 'what it is like' to have one propositional attitude type rather than another