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- Michael Anderson, Projects.Description: The massive redeployment hypothesis (MRH) is a theory about the functional organization of the human cortex, offering a middle course between strict localization on the one hand, and holism on the other. Central to MRH is the claim that cognitive evolution proceeded in a way analogous to component reuse in software engineering, whereby existing components—originally developed to serve some specific purpose—were used for new purposes and combined to support new capacities, without disrupting their participation in existing programs.
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Among the great philosophers of the Middle Ages Aquinas is unique in pursuing two apparently disparate projects. On the one hand he developed a philosophical understanding of Christian doctrine in a fully integrated system encompassing all natural and supernatural reality. On the other hand, he was convinced that Aristotle's philosophy afforded the best available philosophical component of such a system. In a relatively brief career Aquinas developed these projects in great detail and with an astonishing degree of success. In this volume ten leading scholars introduce all the important aspects of Aquinas' thought, ranging from its historical background and dependence on Greek, Islamic, and Jewish philosophy and theology, through the metaphysics, epistemology and ethics, to the philosophical approach to Biblical commentary. New readers and nonspecialists will find this the most convenient, accessible guide to Aquinas currently in print. Advanced students and specialists will find a conspectus of recent developments in the interpretation of Aquinas.
This article presents a description and a critical reflection of some methodological issues involved in a number of participative planning projects that have been carried out in several cities and/or communities in Mexico and other Latin-American countries since 1994. The projects involved the design of regional development plans based on a vision shared by the corresponding communities. The projects include the participation of a large number of people, representing the various sectors of the populations concerned as well as the leading opinion groups of those communities. The methodological approach of the projects is based on prospective and participative planning techniques.
Student research projects involving human intervention are being utilised in more and more business subjects. It therefore is essential that students understand the various ethical issues and implications related to undertaking such projects. As such academics need to integrate an ethical evaluation of student projects. While there are many attempts to "teach" ethics, the literature does not address the issue of including ethics in student research projects. A process by which this can be applied is suggested, which is based on a formal ethics approval process used at one Australian university. While the focus of this paper is student based research projects, the process described could be applied to staff research with minimal modifications, which are identified throughout the paper.
The Accreditation Board of Engineering and Technology (ABET) has declared that to achieve accredited status, “engineering programs must demonstrate that their graduates have an understanding of professional and ethical responsibility.” Many engineering professors struggle to integrate this required ethics instruction in technical classes and projects because of the lack of a formalized ethics-in-design approach. However, one methodology developed in human-computer interaction research, the Value-Sensitive Design approach, can serve as an engineering education tool which bridges the gap between design and ethics for many engineering disciplines. The three major components of Value-Sensitive Design, conceptual, technical, and empirical, exemplified through a case study which focuses on the development of a command and control supervisory interface for a military cruise missile.
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Summary There is a traditional reluctance among methodologists to study the ever increasingly important phenomenon of research-projects, research-project evaluations, etc. The reason for this is that projects are embedded in programs and programs in intellectual frameworks, or conceptual frameworks, or metaphysical systems. It sounds dogmatic to judge the product of research by a reference to a metaphysical system. Yet, first of all, it is not so dogmatic if judgment can go both ways, if we have competing systems at work, and if what we assess is not the outcome of a project but the existing assessments of projects prior to their implementation. Indeed, one of the most obvious things to do is to compare our assessments of projects before and after their implementations. To this end some further theorizing is required.
An emerging class of theories concerning the functional structure of the brain takes the reuse of neural circuitry for various cognitive purposes to be a central organizational principle. According to these theories, it is quite common for neural circuits established for one purpose to be exapted (exploited, recycled, redeployed) during evolution or normal development, and be put to different uses, often without losing their original functions. Neural reuse theories thus differ from the usual understanding of the role of neural plasticity (which is, after all, a kind of reuse) in brain organization along the following lines: According to neural reuse, circuits can continue to acquire new uses after an initial or original function is established; the acquisition of new uses need not involve unusual circumstances such as injury or loss of established function; and the acquisition of a new use need not involve (much) local change to circuit structure (e.g., it might involve only the establishment of functional connections to new neural partners). Thus, neural reuse theories offer a distinct perspective on several topics of general interest, such as: the evolution and development of the brain, including (for instance) the evolutionary-developmental pathway supporting primate tool use and human language; the degree of modularity in brain organization; the degree of localization of cognitive function; and the cortical parcellation problem and the prospects (and proper methods to employ) for function to structure mapping. The idea also has some practical implications in the areas of rehabilitative medicine and machine interface design.
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Part of understanding the functional organization of the brain is understanding how it evolved. This talk presents evidence suggesting that while the brain may have originally emerged as an organ with functionally dedicated regions, the creative re-use of these regions has played a significant role in its evolutionary development. This would parallel the evolution of other capabilities wherein existing structures, evolved for other purposes, are re-used and built upon in the course of continuing evolutionary development (“exaptation”: Gould & Vrba 1982). There is psychological support for exaptation in cognition (e.g. Cosmides 1989), theoretical reason to expect it (Anderson 2003; in press-a; in press-b) and neuroanatomic evidence that the brain evolved by preserving, extending, and combining existing network components, rather than by generating complex structures de novo (Sporns & Kötter 2004). However, there has been little evidence that integrates these perspectives, bringing such an account of the evolution of cognitive function into the realm of cognitive neuroscience (although see, e.g., Barsalou 1999).
sides of the argument. MRH is supported by some case studies of redeployment, and an empirical review of 135..
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This essay introduces the massive redeployment hypothesis, an account of the functional organization of the brain that centrally features the fact that brain areas are typically employed to support numerous functions. The central contribution of the essay is to outline a middle course between strict localization on the one hand, and holism on the other, in such a way as to account for the supporting data on both sides of the argument. The massive redeployment hypothesis is supported by case studies of redeployment, and compared and contrasted with other theories of the localization of function.
Abstract: The massive redeployment hypothesis (MRH) is a theory about the functional topography of the human brain, offering a middle course between strict localization on the one hand, and holism on the other. Central to MRH is the claim that cognitive evolution proceeded in a way analogous to component reuse in software engineering, whereby existing components-originally developed to serve some specific purpose-were used for new purposes and combined to support new capacities, without disrupting their participation in existing programs. If the evolution of cognition was indeed driven by such exaptation, then we should be able to make some specific empirical predictions regarding the resulting functional topography of the brain. This essay discusses three such predictions, and some of the evidence supporting them. Then, using this account as a background, the essay considers the implications of these findings for an account of the functional integration of cognitive operations. For instance, MRH suggests that in order to determine the functional role of a given brain area it is necessary to consider its participation across multiple task categories, and not just focus on one, as has been the typical practice in cognitive neuroscience. This change of methodology will motivate (even perhaps necessitate) the development of a new, domain-neutral vocabulary for characterizing the contribution of individual brain areas to larger functional complexes, and direct particular attention to the question of how these various area roles are integrated and coordinated to result in the observed cognitive effect. Finally, the details of the mix of cognitive functions a given area supports should tell us something interesting not just about the likely computational role of that area, but about the nature of and relations between the cognitive functions themselves. For instance, growing evidence of the role of “motor” areas like M1, SMA and PMC in language processing, and of “language” areas like Broca’s area in motor control, offers the possibility for significantly reconceptualizing the nature both of language and of motor control.
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