Ancient Weapons of Oman, vol. 1: Edged Weapons. By Vincenzo Clarizia. The Archaeological Heritage of Oman, vol. 8. Oxford: Archaeopress, 2022. ₤45 (paper).

Eye movements during mental imagery are not epiphenomenal but assist the process of image generation. Commands to the eyes for each fixation are stored along with the visual representation and are used as spatial index in a motor‐based coordinate system for the proper arrangement of parts of an image. In two experiments, subjects viewed an irregular checkerboard or color pictures of fish and were subsequently asked to form mental images of these stimuli while keeping their eyes open. During the perceptual (...) phase, a group of subjects was requested to maintain fixation onto the screen's center, whereas another group was free to inspect the stimuli. During the imagery phase, all of these subjects were free to move their eyes. A third group of subjects (in Experiment 2) was free to explore the pattern but was requested to maintain central fixation during imagery. For subjects free to explore the pattern, the percentage of time spent fixating a specific location during perception was highly correlated with the time spent on the same (empty) locations during imagery. The order of scanning of these locations during imagery was correlated to the original order during perception. The strength of relatedness of these scanpaths and the vividness of each image predicted performance accuracy. Subjects who fixed their gaze centrally during perception did the same spontaneously during imagery. Subjects free to explore during perception, but maintaining central fixation during imagery, showed decreased ability to recall the pattern. We conclude that the eye scanpaths during visual imagery reenact those of perception of the same visual scene and that they play a functional role. (shrink)

In his 1841-2 Berlin lectures, Schelling critiques German idealism’s negative method of regressing from existence to its first principle, which is supposed to be intelligible without remainder. He sees existence as precisely its remainder since there could be nothing that exists. To solve this, Schelling enlists the positive method of progressing from the fact of existence to a proof of this principle’s reality. Since this proof faces the absurdity that there is anything rather than nothing, he concludes that this fact’s (...) constitution and this principle’s proof are mutually dependent, non-dischargeable tasks. I trace this reciprocal relation to one Kant establishes between the constitutive categories of experience and the experience that proves their applicability and argue that it adheres to Kant’s threefold criterion of proof. I do so by uncovering the Maimonian skeptical motivation—specifically, the need to answer what I call the question quid indicii—behind the qualified return to Kant on which Schelling’s critique of idealism relies. (shrink)

Cette communication s'interroge sur l'évaluation des dispositifs d'accompagnement à la scolarité et, plus largement, sur l'évaluation des projets qui gravitent autour de la notion de réussite éducative. Après avoir défini l'accompagnement à la scolarité et les principes de l'évaluation externe, quelques résultats sur l'efficacité des actions sont rappelés. Pour conclure, les enjeux actuels de l'évaluation des politiques de réussite éducative sont exposés ainsi que des propositions sur l'adaptation de la méthodologie de l'évaluation.

When formulating the concept of the impulse-image, Deleuze never tires of asserting that these images are saturated with death and obsessed by degradation. They stand at a curious intersection in the taxonomy of images, a constitutively in-between space: they are formally inserted between affection-image and action-image in The Movement-Image, but produce a direct passage to the time-image. However, they do not reach the time-image due to obsession by the negative effects of time. This article introduces the concept of the impulse-image (...) in Deleuze's work on the impulse and death instinct, in his fundamental texts of the 1960s and 1970s, including his collaboration with Félix Guattari. The death instinct in the late 1960s was a transcendental principle that acquired the form of the groundless or crack-up essential for the production of difference. It is at this time that Deleuze publishes Zola and the Crack-up, an embryonic essay for what would later become the impulse-image. In the 1970s, Deleuze, along with Guattari, fought the need to include a groundless force in the mould of the death instinct. Speaking of cinema in the 1980s, which is when he returns to the impulse theme, one finds characteristics of both preceding periods, especially the structure conceived in the 1960s, associated with the criticism of the 1970s. However, Deleuze now stands apart, recognising a naturalistic image and admiring a practice of symptomatology, but pointing out that his own understanding of the world does not lie in it. With the impulse-images, Deleuze also plays a relevant role in studies of film naturalism, shaping a powerful concept for studies of contemporary naturalistic symptomatologies that emerge in situations of misery of civilisation. (shrink)

The aim of this paper is to present a constructive solution to Frege's puzzle (largely limited to the mathematical context) based on type theory. Two ways in which an equality statement may be said to have cognitive significance are distinguished. One concerns the mode of presentation of the equality, the other its mode of proof. Frege's distinction between sense and reference, which emphasizes the former aspect, cannot adequately explain the cognitive significance of equality statements unless a clear identity criterion for (...) senses is provided. It is argued that providing a solution based on proofs is more satisfactory from the standpoint of constructive semantics. (shrink)

Bernard Mandeville's poem "The Grumbling Hive: or, Knaves turn'd Honest" explores the subtle interplay between morality and business practices, particularly through the lens of the term "knave". This article examines Mandeville's use of "knave" in juxtaposition with the value of honesty portrayed in the poem's title. In contrast to the spiritual transformation depicted in the poem, in which all the bees in the hive become honest through divine intervention, Mandeville suggests a different kind of change in moral practice, one that (...) incorporates previously unacceptable behavior into the social fabric. Through a varied historical reconstruction of the uses and understandings of the term in question, the study explores Mandeville's concerns about the acceptance and normalization of dishonesty in various segments of society, as illustrated by the anecdote in Observation B, which shows how dishonesty permeates all aspects of commerce, involving buyers, sellers, merchants, traders, and dealers. By analyzing Mandeville's portrayal of dishonesty and its integration into social dynamics, this study aims to elucidate the underlying tensions between ethical standards and the pursuit of self-interest. (shrink)

SummaryMutations in human genes encoding transcription factors are often dominant because one active allele cannot ensure a normal phenotype (haploinsufficiency). In other instances, heterozygous mutations of two genes are required for a phenotype to appear (combined haploinsufficiency). Here, we explore with models (i) the basis of haploinsufficiency and combined haploinsufficiency owing to mutations in transcription activators, and (ii) how the effects of such mutations can be amplified or buffered by subsequent steps in a transcription cascade. We propose that the non‐linear (...) (sigmoidal) response of transcription to the concentration of activators can explain haploinsufficiency. We further show that the sigmoidal character of the output of a cascade increases with the number of steps involved, the settings of which will determine the buffering or enhancement of the effects of a decreased concentration of an upstream activator. This exploration provides insights into the bases of compensatory mutations and on interloci interactions underlying oligogenic inheritance patterns. (shrink)

Democracies find it difficult, and sometimes impossible to get through projects desired by a large share of the population because these are strongly opposed by local residents (NIMBY: Not In My BackYard). As a solution for these conflicts, economists proposed offering (monetary) compensation to the citizens of the host community. Experiences with many different projects and countries reveal, however, that monetary payments are incapable of solving the NIMBY-problem. A monetary offer to accept an otherwise undesired project undermines civic virtue. This (...) crowding-out effect is empirically demonstrated using the search for a nuclear repository in Switzerland. A satisfactory strategy to overcome the NIMBY-problem takes into account the procedure, the time sequence, as well as the type of compensation offered. (shrink)

Abstract:Bruno Bosteels speaks about the influence of Heidegger's thought on his monograph Philosophies of Defeat: The Jargon of Finitude and his work overall.

In 1876 the Italian physicist and physical chemist Adolfo Bartoli discussed a thought experiment in which he connected the second law of thermodynamics with the hypothetical pressure of radiation. Bartoli's work, published in Italian, exerted some influence on the subsequent development of black-body theory and light pressure research. This influence was mainly due to Boltzmann, who came to the Stefan-Boltzmann radiation law via a reworking of Bartoli's thought experiment. However, contrary to what is usually assumed, Bartoli was himself reluctant to (...) admit the existence of light pressure and soon rejected the hypothesis. Bartoli's work is discussed and related to other work in the areas of radiometer research and thermodynamics. (shrink)

Bringing together a range of specialists in their respective fields, the book provides a combination of original research with fundamental questions about why states stay together, and above all why sometimes they fall apart. When and under what conditions is the separation of one part of a state from another justified? Written in an accessible and informed manner, the authors seek to answer this question on the basis of ten case studies and a general review of the literature and theories (...) of the question. (shrink)