La autora presenta una critica a la concepcion clasica de los sentidos asumida por la mayoria de autores naturalistas que pretenden explicar el contenido mental. Esta crítica se basa en datos neurobiologicos sobre los sentidos que apuntan a que estos no parecen describir caracteristicas objetivas del mundo, sino que actuan de forma ʼnarcisita', es decir, representan informacion en funcion de los intereses concretos del organismo.El articulo se encuentra también en: Bechtel, et al., Philosophy and the Neuroscience.

A common view in both philosophy and the vision sciences is that, in human vision, wavelength information is primarily ‘for’ colouring: for seeing surfaces and various media as having colours. In this article we examine this assumption of ‘colour-for-colouring’. To motivate the need for an alternative theory, we begin with three major puzzles from neurophysiology, puzzles that are not explained by the standard theory. We then ask about the role of wavelength information in vision writ large. How might wavelength information (...) be used by any monochromat or dichromat and, finally, by a trichromatic primate with object vision? We suggest that there is no single ‘advantage’ to trichromaticity but a multiplicity, only one of which is the ability to see surfaces and so on as having categorical colours. Instead, the human trichromatic retina exemplifies a scheme for a general encoding of wavelength information given the constraints imposed by high spatial resolution object vision. Chromatic vision, like its partner, luminance vision, is primarily for seeing. Viewed this way, the ‘puzzles’ presented at the outset make perfect sense. 1 Reframing the Problem1.1 Introduction1.2 Three puzzles1.2.1 Why is trichromatic vision an anomaly in diurnal mammals?1.2.2 Why does the colour system occupy such a large and central part in human vision?1.2.3 Why are the blue cones so rare?1.3 Recasting the question2 The Costs and Benefits of Spectral Vision2.1 Spectral information and object vision2.2 Encoding the spectral dimension of light2.2.1 ‘General’ versus ‘specific’ encoding2.2.2 Spectral encoding and the monochromat2.2.3 Spectral encoding and the dichromat2.2.4 Spectral encoding and the human trichromat2.3 Three puzzles revisited2.3.1 Why is trichromatic vision an anomaly in diurnal mammals?2.3.2 Why does the colour system occupy such a large and central part in human vision?2.3.3 Why are the blue cones so rare3 Conclusion. (shrink)

In Consciousness Explained, Daniel Dennett presents the Multiple Drafts Theory of consciousness, a very brief, largely empirical theory of brain function. From these premises, he draws a number of quite radical conclusions—for example, the conclusion that conscious events have no determinate time of occurrence. The problem, as many readers have pointed out, is that there is little discernible route from the empirical premises to the philosophical conclusions. In this article, I try to reconstruct Dennett's argument, providing both the philosophical views (...) behind the empirical premises, and the hidden empirical arguments behind the derivation of the philosophical conclusions. (shrink)

Throughout the text, fundamental questions concerning the nature of visual perception are addressed.

Nativists about syntactic processing have argued that linguisticprocessing, understood as the implementation of a rule-basedcomputational architecture, is spared in Williams syndrome, (WMS)subjects – and hence that it provides evidence for a geneticallyspecified language module. This argument is bolstered by treatingSpecific Language Impairments (SLI) and WMS as a developmental doubledissociation which identifies a syntax module. Neuroconstructivists haveargued that the cognitive deficits of a developmental disorder cannot beadequately distinguished using the standard gross behavioural tests ofneuropsychology and that the linguistic abilities of the (...) WMS subject canbe equally well explained by a constructivist strategy of neurallearning in the individual, with linguisitic functions implemented in anassociationist architecture. The neuroconstructivist interpretation ofWMS undermines the hypothesis of a double dissociation between SLI andWMS, leaving unresolved the question of nativism about syntax. Theapparent linguistic virtuosity of WMS subjects is an artefact ofenhanced phonological processing, a fact which is easier to demonstratevia the associationist computational model embraced byneuroconstructivism. (shrink)

This volume provides an up to date and comprehensive overview of the philosophy and neuroscience movement, which applies the methods of neuroscience to traditional philosophical problems and uses philosophical methods to illuminate issues in neuroscience. At the heart of the movement is the conviction that basic questions about human cognition, many of which have been studied for millennia, can be answered only by a philosophically sophisticated grasp of neuroscience's insights into the processing of information by the human brain. Essays in (...) this volume are clustered around five major themes: data and theory in neuroscience; neural representation and computation; visuomotor transformations; color vision; and consciousness. (shrink)

Over 35 years ago, Meltzoff and Moore (1977) published their famous article ‘Imitation of facial and manual gestures by human neonates’. Their central conclusion, that neonates can imitate, was and continues to be controversial. Here we focus on an often neglected aspect of this debate, namely on neonatal spontaneous behaviors themselves. We present a case study of a paradigmatic orofacial ‘gesture’, namely tongue protrusion and retraction (TP/R). Against the background of new research on mammalian aerodigestive development, we ask: How does (...) the human aerodigestive system develop and what role does TP/R play in the neonate’s emerging system of aerodigestion? We show that mammalian aerodigestion develops in two phases: (1) from the onset of isolated orofacial movements in utero to the post-natal mastery of suckling at 4 months after birth, and; (2) thereafter, from preparation to the mastery of mastication and deglutition of solid foods. Like other orofacial stereotypies, TP/R emerges in the first phase and vanishes prior to the second. Based upon recent advances in activity-driven early neural development, we suggest a sequence of three developmental events in which TP/R might participate: the acquisition of tongue control, the integration of the central pattern generator for TP/R with other aerodigestive CPGs, and the formation of connections within the cortical maps of S1 and M1. If correct, orofacial stereotypies are crucial to the maturation of aerodigestion in the neonatal period but also unlikely to co-occur with imitative behavior. (shrink)

In our target article, we argued that the positive results of neonatal imitation are likely to be by-products of normal aerodigestive development. Our hypothesis elicited various responses on the role of social interaction in infancy, the methodological issues about imitation experiments, and the relation between the aerodigestive theory and the development of speech. Here we respond to the commentaries.

Researchers have long suspected that grapheme-color synaesthesia is useful, but research on its utility has so far focused primarily on episodic memory and perceptual discrimination. Here we ask whether it can be harnessed during rule-based Category learning. Participants learned through trial and error to classify grapheme pairs that were organized into categories on the basis of their associated synaesthetic colors. The performance of synaesthetes was similar to non-synaesthetes viewing graphemes that were physically colored in the same way. Specifically, synaesthetes learned (...) to categorize stimuli effectively, they were able to transfer this learning to novel stimuli, and they falsely recognized grapheme-pair foils, all like non-synaesthetes viewing colored graphemes. These findings demonstrate that synaesthesia can be exploited when learning the kind of material taught in many classroom settings. (shrink)

In Canions be Causes, David Johnson defends the view that abstractions can have causal force. He offers as his own example of natural kinds ecological niches, arguing that the causal force of these niches in nature is akin to the force of Aristotelian final causes. He concludes that, rooted as it is in seventeenth century mechanism, the currently-accepted model of causality which recognises only efficient causes is inadequate to the needs of contemporary science. In Natural Kinds and Ecological Niches — (...) Response to Johnson ''s Paper, Melinda Hogan offers a critique of Johnson ''s paper which, by begging the question in favor of the very sort of causality Johnson seeks to supplement, misses the epistemological implications of his idea. In this paper I will attempt to clarify and defend Johnson ''s position, pointing out some of its implications for the epistemology of science in general. (shrink)

Ironies are implicit in the title of Zoltan Somhegyi’s book Reviewing the Past: The Presence of Ruins, and this is in keeping with ruins’ own paradoxical character as manifesting endurance and fragility, presence and absence, vivid physicality and an import that is almost entirely reflective. By inviting readers to take a desultory approach to the sequence of the book’s chapters, the author positions them to be active co-explorers of ruins who are reflective about their responses. Somhegyi analyzes various threats to (...) the survival of ruins as structures and aesthetic objects but nevertheless finds bases for some optimism. He ends the book with a chapter on a topic that seems far afield from ruins: museums that make the process of remembering thematic. This somewhat abrupt conclusion forces the reader to draw connections between his remarks on such museums and the topic of ruins. This provocation of the reader’s own reflections encourages a stance akin to that involved in the aesthetic appreciation of ruins and draws attention to their open-endedness. (shrink)

Scientists depend on complex computational systems that are often ineliminably opaque, to the detriment of our ability to give scientific explanations and detect artifacts. Some philosophers have s...

A successful writer and committed feminist's search for spiritual wholeness after a career crisis, the sudden death of her brother, and the birth of her son moves her to seek out a range of remarkable women who are consciously tryng to live in balance.

The scope of this article is feminist philosophical engagement with the natural sciences. As a starting point we can view science as having the objective of “producing general propositions about nature, the physical ‘out there,’ that can be tested empirically where appropriate, and that are rational in character” but we also need to recognize the fluidity of the term “science”; for to term something “scientific” is honorific. It is signaled as something to be trusted and relied on, and there are (...) political as well as intellectual debates concerning what is to be dignified with this title. (shrink)

The tremendous recent growth of the women's movement as a political force has been accompanied by an event of equal import to the academic world--the development of the discipline of women's studies. Colleges across the nation are establishing programs in this area. Women's Studies is a classroom anthology designed for use in these newly-introduced courses.

A popular approach to defining fictive utterance says that, necessarily, it is intended to produce imagining. I shall argue that this is not falsified by the fact that some fictive utterances are intended to be believed, or are non-accidentally true. That this is so becomes apparent given a proper understanding of the relation of what one imagines to one's belief set. In light of this understanding, I shall then argue that being intended to produce imagining is sufficient for fictive utterance (...) as well. (shrink)

This empirical study examines corporate responses to activist shareholder groups filing social-policy shareholder resolutions. Using resource dependency theory as our conceptual framing, we identify some of the drivers of corporate responses to shareholder activists. This study departs from previous studies by including a fourth possible corporate response, engaging in dialogue. Dialogue, an alternative to shareholder resolutions filed by activists, is a process in which corporations and activist shareholder groups mutually agree to engage in ongoing negotiations to deal with social issues. (...) Based on a unique dataset of resolutions filed by member organizations of the Interfaith Center on Corporate Responsibility from 2002 to 2005 and the outcomes of these resolutions, our analysis finds that corporate managers are more likely to engage in dialogue with shareholder activists when the firm is larger, is more responsive to stakeholders, the CEO is the board chair, and the firm has a relatively lower percentage of institutional investors. (shrink)

Support for the prototype theory of categorization was found in a study of the structure of social categories. Though occupational terms such as DOCTOR are socially defined, they do not have the classical structure their clear definitional origins would predict. Conceptions of social categories are richer and more complex than those of physical object categories and subjects agree upon them. Comparison of various instructions for eliciting attributes of categories showed that whether subjects are asked to define a term, give characteristics, (...) or describe ways they recognize members of categories, the attributes they list contribute to a prototype structure. These data provide evidence against the view that prototype structure is relevant only to an identification procedure and not to the core of concepts, as has been suggested. (shrink)

This is one of the most original and important works of contemporary European thought. First published in France in 1975, it is the major theoretical work of one of the foremost thinkers in Europe today.Castoriadis offers a brilliant and far-reaching analysis of the unique character of the social-historical world and its relations to the individual, to language, and to nature. He argues that most traditional conceptions of society and history overlook the essential feature of the social-historical world, namely that this (...) world is not articulated once and for all but is in each case the creation of the society concerned. In emphasizing the element of creativity, Castoriadis opens the way for rethinking political theory and practice in terms of the autonomous and explicit self-institution of society. (shrink)