The Freud Wars offers a comprehensive introduction to the crucial question of the justification of psychoanalysis. Part I examines three powerful critiques of psychoanalysis in the context of a recent controversy about its nature and legitimacy: is it a bankrupt science, an innovative science, or not a science at all but a system of interpretation? The discussion makes sense of the entrenched disagreement about the validity of psychoanalysis, and demonstrates how the disagreement is rooted in the theoretical ambiguity of the (...) central concept of psychoanalysis, the unconscious. This ambiguity is then presented as the pathway to a new way of understanding psychoanalysis, based on a mode of thinking that precedes division into mental and physical. The reader is drawn into a lively and thought-provoking analysis of the central issues: · What would it mean for psychoanalysis to count as a science? · Is psychoanalysis a form of hermeneutics? · How can mental and physical explanations coincide? Part II contains the source material for Part I: the influential critiques of psychoanalysis by Adolf Grünbaum, Thomas Nagel and Jürgen Habermas. No specialised knowledge is assumed, and the book is clear and accessible while still conveying the complexity and richness of the subject. It provides a fascinating introduction to philosophical thinking on psychoanalysis for students and practitioners of psychoanalysis, psychotherapy and philosophy. (shrink)
Gomez, Cristina Lledo This article explores the idea that motherhood is an invitation to engage with the paschal mystery and can thus be a salvific experience in the lives of women. This is of even greater significance for a Christian mother who can explicitly name the experience as her own sharing in the paschal event of Jesus. This article will focus on crisis moments of motherhood in a contemporary Western context, exploring particularly the issues raised in first becoming a (...) mother, and on the initial years of motherhood. (shrink)
This chapter proposes that the cognitive mechanisms of joint attention (defined as a combination of attention following skills with attention contact skills) are not metarepresentational in nature, but based upon the coordination of two different types of intentional understanding — third-person and second-person intentions — that are represented at the level of a sensorimotor notion of others as subjects. This proposal is developed and analyzed from a comparative perspective through a review of findings concerning apes, typically developing children, and children (...) with autism. It is argued that each of these populations illustrates a different type of joint attention system based upon different notions of the other as a subject. (shrink)
In this paper we present a semantic analysis of the application of didactic constructivism to chemical education. We show that the psychological basis of constructivism yield, when applied to chemistry, an internalist semantics for the chemical names. Since these names have been presented as typical examples of an externalism for kind terms, a fundamental incompatibility ensues. We study this situation, to conclude that it affects chemical education at every level. Finally, we present a preliminary analysis of this problem from the (...) point of view of physics. (shrink)
This book presents a historical perspective on patterns of human rights abuse in Cuba, El Salvador and Nicaragua and incorporates international relations in to the traditional theories of state repression found within the social sciences.
Abstract: I address the issue of how pretence emerged in evolution by reviewing the (mostly negative) evidence about pretend behaviour in non-human primates, and proposing a model of the type of information processing abilities that humans had to evolve in order to be able to pretend. Non-human primates do not typically pretend: there are just a few examples of potential pretend actions mostly produced by apes. The best, but still rare, examples are produced by so-called 'enculturated' apes (reared by humans) (...) and among them specially those that have been systematically trained to use symbols (so-called 'linguistic' apes). A hypothesis that would explain the lack of pretence in apes is that they lack the mentalistic ability of theory of mind. However, in the last years apes have been demonstrated to possess relatively sophisticated social cognitive skills, some of them ontogenetically appearing in humans alongside with or even after pretend play. As a solution to the paradox, I discuss a model according to which pretence is supported by a mechanism capable of computing intentional relations with non-existing objects or properties (Intentional non-existence), as opposed to mechanisms computing intentional relations with existing, although not necessarily currently perceived, objects (Intentional availability). Apes possess the latter, which allows them to solve a variety of theory of mind tasks, but not the former, which typically prevents them from developing pretence. (shrink)
This commentary criticizes nonverbal methods of assessing theory-of-mind on the basis of prior training of the critical response because they would encourage simple, nonmentalistic, associative solutions even in subjects with mentalistic capacities. I propose instead a new experimental paradigm based upon the use of spontaneous responses in less artificial situations. This method has already provided positive evidence of some level of ToM understanding in nonhuman primates.
This paper reports a longitudinal study on the ontogeny of triadic cooperative interactions (involving coordinations of objects and people) in a hand-reared lowland gorilla ( Gorilla gorilla gorilla ) from 6 months to 36 months of age. Using the behavioural categories developed by Hubley and Trevarthen (1979) to characterize the origins of “secondary intersubjectivity” in human babies between 8-12 months of age, I chart the emergence of comparable coordinations of gestures and actions with objects and acts of dyadic communication. The (...) findings show that the categories and concepts of secondary intersubjectivity are applicable to the gorilla, who engages with people in cooperative actions with objects. The ontogeny of triadic interaction in the gorilla was very similar to that described in human infants, but more extended in time and with some peculiarities, such as the absence of pointing and showing gestures, some of whose functions might be taken over by contact gestures which in human infants may appear later in development. The results do not support claims of human uniqueness in the development of cooperative action, but suggest a heterochrony in some aspects of the ontogeny of triadic interactions leading to a divergence between gorilla and human infants within secondary intersubjectivity. (shrink)
The cross-cultural literature is reviewed and integrated together with attitude theories, thereby outlining a model through which certain values influence the intervening variables that ultimately lead managers to tolerate employee bribery. The case of Latin America is employed to illustrate how regionally dominant cultural values may shape managers' attitudes, subjective norms, and perceived behavioral control, which in turn affect tolerance of employee bribery. A series of research propositions and practical recommendations are derived from the model.
This article is a study of the survival of scribal culture in nineteenth-century Spain in the form of the so-called ?memory books? (libros de memorias). I analyse their relationship with the educational developments of the period, as well as the material characteristics and the content of these texts, in order to define their typical features. These texts were the products of hybrid writing practices, in the sense that several elements were frequently superimposed on one another: economic news, personal, family and (...) social events and even historical details. Hence the similarity between the memory books and other genres such as account books (libros de cuentas) and family books (libros de familia). Lastly, I will examine some nineteenth-century examples as epigones of a writing genre which had its origins in the later Middle Ages and Early Modern period. ?One morning, while tidying up the bedroom, Rosa opened the drawer in the trunk where Cholo kept his papers. There she found the papers about the property and, in a corner, together with the Family Book and the social security booklet, the papers from the bank [?]. And she was about to put it away when it occurred to her to take off the elastic band around the big folder which Cholo had kept from his time in Switzerland. There were things, names and so on that she didn?t understand, but in the middle there were also some of the cards she had sent from Aran.?1. (shrink)
: Those who are morally opposed to abortion generally make several pivotal assumptions. This paper focuses on the assumption that we have full moral status throughout our existence. Coupled with the assumption that we come into existence at conception, the assumption about moral status entails that all human fetuses have full moral status, including a right to life. Is the assumption about moral status correct? In addressing this question, I respond to several arguments advanced, in this journal and other venues, (...) by Alfonso Gómez-Lobo. Gómez-Lobo's reasoning resolves into two basic arguments: (1) an appeal to the practical necessity of early moral protection and (2) an appeal to our kind membership and potentiality. I respond to these in turn before offering further reflections. (shrink)
Mario Gómez-Torrente (2006) says that whilst theoretical identifications (e.g. 'All lightning is electrical discharge') do not entail their own necessitations, they do entail the necessitation of a weaker statement. And he claims that this weaker entailment serves Kripke's purposes as well as the stronger one would have. I argue that this is false. Section 1 says what the weaker entailment is; section 2 says why it matters. Section 3 argues that the entailment identified at section 1 does not meet the (...) purpose identified at section 2. Section 4 rejects two possible objections. The aim is to illustrate (not establish) the general claim that those 'modal facts' that are not entirely speculative are quite useless. (shrink)
Contra Ezcurdia, it is argued that my thesis --that substitution of coreferential names or indexicals in attitude ascriptions preserves truth values of propositions semantically expressed, although it often changes truth values of propositions asserted-- is compatible with the fact that belief ascriptions play important explanatory roles. Contra Gomez-Torrente, it is argued that although single-word natural kind terms are rigid in Kripke's original sense, natural kind predicates containing them are neither rigid nor obstinately essential --in the sense of applying to (...) the same individuals in every possible world-state, whether those individuals exist at the world-state or not. /// Contra Ezcurdia, se argumenta que mi tesis de que la sustitución de nombres o deícticos correferenciales en adscripciones de actitudes proposicionales preserva los valores de verdad de las proposiciones expresadas semánticamente, aunque a menudo cambia los valores de verdad de las proposiciones aseveradas, es compatible con el hecho de que las adscripciones de creencias desempeñan papeles explicativos importantes. Contra GómezTorrente, se argumenta que aunque los tèrminos de clase natural de una sola palabra son rígidos en el sentido original de Kripke, los predicados de clase natural que los contienen no son ni rigidos ni obstinadamente esenciales, en el sentido de que se aplican a los mismos individuos en todos los mundos posibles, sea que esos individuos existan o no existan en ese mundo. (shrink)
Gómez-Torrente’s papers have made important contributions to vindicate Tarski’s model-theoretic account of the logical properties in the face of Etchemendy’s criticisms. However, at some points his vindication depends on interpreting the Tarskian account as purportedly modally deflationary, i.e., as not intended to capture the intuitive modal element in the logical properties, that logical consequence is (epistemic or alethic) necessary truth-preservation. Here it is argued that the views expressed in Tarski’s seminal work do not support this modally deflationary interpretation, even if (...) Tarski himself was sceptical about modalities. (shrink)
Manuel Herrera Gómez es Profesor Titular de Sociología de la Universidad de Granada (1998). Sus publicaciones más recientes son Las políticas sociales en las sociedades complejas (2003), Sociedades complejas (2004), Metateoría de las Ciencias Sociales (2005), La cultura de la sociedad en Talcott Parsons (2005) y Teorías y métodos de planificación social (2005). También ha coordinado las obras Administración Pública y Estado de Bienestar (2004) y Teorías sociológicas de la acción (2005). En las últimas décadas se ha desarrollado un intenso (...) debate que contrapone a los defensores de un modelo liberal de sociedad y a los que apuestan por un modelo comunitario. Bajo el manto liberal se engloban todas aquellas teorías políticas cuyo objetivo es buscar procedimientos, universalmente compartidos, de agregación de los intereses individuales. Por su parte, en el bando comunitarista, nos encontramos aquellos planteamientos -cuyo denominador común es una crítica a toda visión puramente procedimentalista de la filosofía pública-, que consideran que sólo se posee una comunidad política cuando se recurre a un patrimonio común de contenidos, valores y tradiciones, en el que todos los miembros de la comunidad se sienten radicados. En esta obra se presenta un análisis detallado de los protagonistas y de las etapas de este debate, proponiendo como conclusión un modelo de sociedad que pretende dar respuesta tanto a las instancias radicadas en el modelo procedimental como a las presentes en el modelo comunitario. (shrink)
There have been several different and even opposed conceptions of the problem of logical constants, i.e. of the requirements that a good theory of logical constants ought to satisfy. This paper is in the first place a survey of these conceptions and a critique of the theories they have given rise to. A second aim of the paper is to sketch some ideas about what a good theory would look like. A third aim is to draw from these ideas and (...) from the preceding survey the conclusion that most conceptions of the problem of logical constants involve requirements of a philosophically demanding nature which are probably not satisfiable by any minimally adequate theory. (shrink)
This paper examines the question of the extensional correctness of Tarskian definitions of logical truth and logical consequence. I identify a few different informal properties which are necessary for a sentence to be an informal logical truth and look at whether they are necessary properties of Tarskian logical truths. I examine arguments by John Etchemendy and Vann McGee to the effect that some of those properties are not necessary properties of some Tarskian logical truths, and find them unconvincing. I stress (...) the point that since the hypothesis that Tarski's definitions are extensionally correct is deeply entrenched, the burden of proof is still on the shoulders of Tarski's critics, who have not lifted the burden. (shrink)
In the first part of this article, we show that, contrary to the Gricean tradition, inter-clausal and is not semantically equivalent to logical conjunction and, contrary to temporal approaches such as Bar-Levand Palacas 1980, it is not temporallyloaded. We then explore a commonsenseidea – namely that while sentence juxtaposition might be interpreted either as discourse coordination or subordination, and indicates coordination. SDRT already includes notions of coordinating and subordinating discourse relations (cf. Lascarides and Asher 1993, Asher 1993), and the meaning (...) of and is related to this distinction. Similar distinctions that play a crucial role in anaphora resolution have also appeared in AI – cf. Scha and Polanyi 1988, or Webber 1991. However, this discourse-structure-based distinction has not been well defined yet, and our approach provides independent motivation for it. This paper argues that the semantics of and includes a notion of coordination expressed as the requirement of a Coordinated Discourse Topic (CDT).CDT characterizes aclass of discourse relations, among which are Narration and Result.Once the basic semanticcontribution of and is isolated, effects related to its presence such as changes in temporal structure, blocking of a Discourse Relation, or conditional meanings are shown to follow from the defeasiblearchitecture set up by SDRT. (shrink)
The descriptive viewpoint in rational choice has generated an important Standard Rational Choice Theory revision. This viewpoint has meant the introduction of relevant psychological considerations that Rational Choice Theory tied to the neoclassical economics is unable to heed In this paper I suggest a way to expand the descriptive viewpoint by theorizing how some factors, coming from the social and cultural environment, operate within rational choice. That troublesome issue concerning the overall validity of economic laws is also a question here; (...) specifically, if these descriptive proposals expand the explanation of the disturbing causes of economic laws, or if they actually call into question their fundamental principles, encouraging consideration of some economic issues in a quite new, different manner. (shrink)
In order to understand the nature of human embryos I first distinguish between active and passive potentiality, and then argue that the former is found in human gametes and embryos (even in embryos in vitro that may fail to be implanted) because they all have an indwelling power or capacity to initiate certain changes. Implantation provides necessary conditions for the actualization of that prior, active potentiality. This does not imply that embryos are potential persons that do not deserve the same (...) respect as actual persons. To claim that embryos become persons is to understand the predicate person as a phase sortal, roughly equivalent to adult person. This entails that we would not be essentially persons. In order to explain the traditional understanding of person as a proper sortal rather than a phase sortal, the author distinguishes between proximate and remote potentiality, and shows that, unlike feline embryos, human embryos, by their genetic constitution, possess the remote potentiality to later exercise the typically human activities. It follows that they are already persons essentially. (shrink)
Is there a theoretically interesting notion that is a natural extension of the concept of rigidity to general terms? Such a notion ought to satisfy two Kripkean conditions. First, it must apply to typical general terms for natural kinds, stuffs, and phenomena, and fail to apply to most other general terms. Second, true ‘identification sentences’ (such as ‘Cats are animals’) containing general terms that the notion applies to must be necessary. I explore a natural extension of the notion of rigidity (...) to general terms, the notion of an essentialist predicate. I argue that, under natural assumptions, this notion satisfies the two Kripkean conditions. (shrink)
: Drawing on several feminist and anti-racist theorists, I use the trope of the vampire to unravel how whiteness, maleness, and heterosexuality feed on the same set of disavowals—of the body, of the Other, of fluidity, of dependency itself. I then turn to Jewelle Gomez's The Gilda Stories (1991) for a counternarrative that, along with Donna Haraway's reading of vampires (1997), retools concepts of kinship and self that undergird racism, sexism, and heterosexism in contemporary U.S. culture.
Logic is formal in the sense that all arguments of the same form as logically valid arguments are also logically valid and hence truth-preserving. However, it is not known whether all arguments that are valid in the usual model-theoretic sense are truth-preserving. Tarski claimed that it could be proved that all arguments that are valid (in the sense of validity he contemplated in his 1936 paper on logical consequence) are truth-preserving. But he did not offer the proof. The question arises (...) whether the usual model-theoretic sense of validity and Tarski's 1936 sense are the same. I argue in this paper that they probably are not, and that the proof Tarski had in mind, although unusable to prove that model-theoretically valid arguments are truth-preserving, can be used to prove that arguments valid in Tarski's 1936 sense are truth-preserving. (shrink)
Timothy Williamson’s potentially most important contribution to epistemicism about vagueness lies in his arguments for the basic epistemicist claim that the alleged cut-off points of vague predicates are not knowable. His arguments for this are based on so-called ‘margin for error principles’. This paper argues that these principles fail to provide a good argument for the basic claim. Williamson has offered at least two kinds of margin for error principles applicable to vague predicates. A certain fallacy of equivocation (on the (...) meaning of ‘knowable’) seems to underlie his justification for both kinds of principles. Besides, the margin for error principles of the first kind can be used in the derivation of unacceptable consequences, while the margin for error principles of the second kind can be shown to be compatible with the falsity of epistemicism, under a number of assumptions acceptable to the epistemicist. (shrink)
When does a human being begin to exist? Barry Smith and Berit Brogaard have argued that it is possible, through a combination of biological fact and philosophical analysis, to provide a definitive answer to this question. In their view, a human individual begins to exist at gastrulation, i. e. at about sixteen days after fertilization. In this paper we argue that even granting Smith and Brogaard's ontological commitments and biological assumptions, the existence of a human being can be shown to (...) begin much earlier, viz., with fertilization. Their interpretative claim that a zygote divides immediately into two substances and therefore ceases to exist is highly implausible by their own standards, and their factual claim that there is no communication between the blastomeres has to be abandoned in light of recent embryological research. (shrink)
Roy Sorensen has argued that a certain technical use of quotation marks to name the empty string supports a revised version of Davidson’s theory of quotation. I point out that Sorensen’s considerations provide no support for Davidson’s original theory, and I show that at best they support the revised Davidsonian theory only to the same extent that they support a simpler revised version of a Tarskian theory.
: This response to Nikolaus Knoepffler's paper in the same issue of the Journal agrees that if the arguments supporting the first two of the eight human embryonic stem cell research policy options discussed are unsound, as Knoepffler argues, then it seems natural to move to the increasingly permissive options. If the arguments are sound, however, then the more permissive options should be rejected. It is argued that three of the rejected arguments, taken together, constitute very good reasons to hold (...) that a human embryo is endowed with dignity from fertilization onward. Thus, countries that want their public policies to match the moral imperative of respect for human beings should refrain from allowing destructive human embryo research and should devote considerable energy and public funds to research and clinical trials using non-embryonic ("adult") stem cells. (shrink)
: This paper starts from three assumptions: that we are essentially human organisms, that we start to exist at conception, and that we retain our identity throughout our lives. The identity claim provides the background to argue that it is irrational for a person to claim that it would be impermissible to kill her now but permissible to have killed her at an earlier age. The notion of "full moral status" as an ascertainable property is questioned and shown to be (...) dependent on previously accepted moral norms. It is concluded that the exclusion of the very young from the scope of the norm o f common morality that prohibits the killing of the innocent amounts to discrimination on the basis of age. (shrink)
In the present study of Descartes’ epistemological investigations, I have tried to show that his renowned principle of clarity and distinctness is not, in fact, one but two axioms. Most interpreters and critics have taken the two formulations of such a principle here considered as successive moments of it. At best, this position is insufficient, for each “version” of the principle of clarity and distinctness guarantees different kinds of cognitive content. Moreover, while the validity of one “version” is not dependent (...) on the thesis of God’s veracity, no such thing can be asserted of the validity of the other. These two formulations of the principle of clarity and distinctness are: 1. Whatever is clearly and distinctly perceived is true; 2. whatever we perceive clearly and distinctly as belonging to the nature of something can indeed be predicated of the thing in question. The fust formula corresponds to what I have characterized as “presentative” knowledge; the second one expresses the guarantee of “representative” knowledge. This distinction is all-important for solving the question of whether Descartes’ proofs of God’s existence and veracity---both the a priori and the a posteriori proofs that we find in the Cartesian corpus-are circular. On the basis of such a distinction, it is possible to argue that at least the ontological argument---and possibly as well the proof “par les effets”---is not at all dependent on the principle of clarity and distinctness, which in turn draws its ultimate validity from God’s faithfulness. In other words, as suggested above, only the second “version” needs to be guaranteed by God’s veracity. On the other hand, the first “version” has no normative value, for it merely describes what is the case whenever a clear and distinct cognition occurs. An example of this is our knowledge of God as the most perfect being. (shrink)
The pretheoretical notions of logical consequence and of a logical expression are linked in vague and complex ways to modal and pragmatic intuitions. I offer an introduction to the difficulties that these intuitions create when one attempts to give precise characterizations of those notions. Special attention is given to Tarski’s theories of logical consequence and logical constancy. I note that the Tarskian theory of logical consequence has fared better in the face of the difficulties than the Tarskian theory of logical (...) constancy. Other theories of these notions are explained and criticized. (shrink)
Respect for human embryos is often defended on the basis of the potentiality argument: embryos deserve respect because they already possess potentially the features that in adults are fully actualized. Opponents of this argument challenge it by claiming that if embryos should be respected because they are potentially adults, then gametes should be respected because they are potentially embryos. This article rejects this reductio ad absurdum argument by showing that there are two different types of potentiality involved so that the (...) transitivity of potentiality does not hold up in this case. Respect for embryos does not logically entail respect for gametes. (shrink)
It is commonly assumed that persons who hold abortions to be generally impermissible must, for the same reasons, be opposed to embryonic stem cell research [ESR]. Yet a settled position against abortion does not necessarily direct one to reject that research. The difference in potentiality between the embryos used in ESR and embryos discussed in the abortion debate can make ESR acceptable even if one holds that abortion is impermissible. With regard to their potentiality, in vitro embryos are here argued (...) to be more morally similar to clonable somatic cells than they are to in vivo embryos. This creates an important moral distinction between embryos in vivo and in vitro. Attempts to refute this moral distinction, raised in the recent debate in this journal between Alfonso Gómez-Lobo and Mary Mahowald, are also addressed. (shrink)
The purpose of this paper is to examine some passages of Tarski?s paper ?On the concept of logical consequence? and to show that some recent readings of those passages are wrong. John Etchemendy has claimed that in those passages Tarski gave an argument purporting to show that the notion of logical consequence defined by him (as opposed to some pretheoretic notion of logical consequence) possesses certain modal properties. Etchemendy further claims that the argument he attributes to Tarski is fallacious. Some (...) of Etchemendy?s critics have granted him that Tarski did give an argument purporting to show that the defined notion possesses certain modal properties ; but they have claimed that Tarski?s argument was not a fallacious one. I will show that both Etchemendy and his critics are wrong; in the relevant passages, Tarski did not offer (nor did he intend to offer) an argument that the defined notion of logical consequence possesses any modal properties. (shrink)
1. Two kinds of logic. To a first approximation there are two main kinds of pursuit in logic. The first is the traditional one going back two millennia, concerned with characterizing the logically valid inferences. The second is the one that emerged most systematically only in the twentieth century, concerned with the semantics of logical operations. In the view of modern, model-theoretical eyes, the first requires the second, but not vice-versa. According to Tarski’s generally accepted account of logical consequence (1936), (...) inference from some statements as hypotheses to a statement as conclusion is logically valid if the truth of the hypotheses ensures the truth of the conclusion, in a way that depends only on the form of the statements involved, not on their content. Interpreted model-theoretically this means that every model of the hypotheses is a model of the conclusion. However, there is an ambiguity in Tarski’s explication, as he himself emphasized, since for the specification of form one needs to determine what are the logical notions. Once those are isolated and their semantical roles are settled, one can see how the truth of a statement (in a given model and relative to given assignments) is composed from the truth of its basic parts, in whatever way those are specified. The problem of what are the logical notions is an unsettled and controversial one (cf. Feferman 1999, Gómez-Torrente 2002). In the classical truthfunctional perspective, proposals range from those of first-order logic to generalized quantifiers to second and higher-order quantifiers to infinitary languages and beyond. Many of these stronger semantical notions have been treated in the volume Model Theoretic Logics (Barwise and Feferman 1987). In a series of singular, thought-provoking publications in recent years, Jaakko Hintikka has vigorously promoted consideration of an extension of first-order logic called IF logic, along with claims that its adoption promises to have revolutionary consequences.. (shrink)
The relationship between spiritual well-being and ethical orientations in decision making is examined through a survey of executives in organizations listed on the Australian Stock Exchange. The four domains of spiritual well-being, personal, communal, environmental and transcendental (Fisher, Spiritual health: its nature and place in the school curriculum, PhD thesis, University of Melbourne, 1998 ; Gomez and Fisher, Pers Individ Differ 35:1975–1991, 2003 ) are examined in relation to idealism and relativism (Forsyth, J Pers Soc Psychol 39(1):175–184, 1980 ). (...) Results reveal that spiritual well-being, in particular the communal domain of spiritual well-being, is correlated with and predictive of idealism. However, the relationship between spiritual well-being and relativism is weak. Implications of the study are discussed in terms of developing managerial programs that enhance communal well-being which should lead to greater idealism in decision making. Limitations of the study and future research opportunities are outlined. (shrink)
Studies have shown that as MRI T2 relaxation time lengthens there is a shift toward more unbound or “free-water” and less partitioning of the protein/lipid molecules per unit volume. A shift toward less water partitioning or lengthened MRI T2 relaxation time is linearly related to reduced high frequency EEG amplitude, reduced short distance EEG coherence, increased long distance EEG coherence, and reduced cognitive functioning (Thatcher et al. 1998a; 1998b).
The atomic hypothesis according to Ludwig Boltzmann. The scientific and philosophical importance of a controversial position at the close of the 19th century. This paper examines Boltzmann’s standpoint in the controversy over the existence of atoms between himself on the one hand and Mach, Ostwald, Helm and to some extent Duhem on the other hand. The latter wanted to develop a physics only constructed with perceptible phenomena. Because of the lack of empirical evidence of the atoms at that time they (...) did not accept them for the construction of physics. In contrast, Boltzmann found the acceptance of atoms to be a fruitful assumption, since for him the construction of physics required going beyond perceptible phenomena. Two different conceptions of nature and of the ways to know nature clashed in this disagreement between Boltzmann and his opponents. Op-posing one-sided positions, Boltzmann supported the hypothetical character of science, in which more than one basic hypothesis can be advanced: he was open to the possibility of fundamental revolutions in science. (shrink)
