290 research outputs found

    Debunking the Democratisation Myth

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    Взаимоотношения субъекта и объекта услуг в логистичекой системе обслуживания индивидуальных потребителей

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    В статье анализируется основная проблема функционирования логистической системы обслуживания индивидуальных потребителей: сопряжение интеров субъекта и объекта услуг. Представлены графическое отражение и аналитическое описание работы системы. Рассмотрены четыре варианта оценки услуги исполнителем и потребителем. Показана зависимость оценки услуги от её комплексности.In article the basic problem of functioning of logistical system of service of individual consumers is analyzed: interface of interests of the subject and object of services. Graphic reflection and the analytical description of work of system are submitted. Four variants of an estimation of service by the executor and the consumer are considered. Dependence of an estimation of service on its integrated approach is shown

    Paradoxical Facilitation of Working Memory after Basolateral Amygdala Damage

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    Working memory is a vital cognitive capacity without which meaningful thinking and logical reasoning would be impossible. Working memory is integrally dependent upon prefrontal cortex and it has been suggested that voluntary control of working memory, enabling sustained emotion inhibition, was the crucial step in the evolution of modern humans. Consistent with this, recent fMRI studies suggest that working memory performance depends upon the capacity of prefrontal cortex to suppress bottom-up amygdala signals during emotional arousal. However fMRI is not well-suited to definitively resolve questions of causality. Moreover, the amygdala is neither structurally or functionally homogenous and fMRI studies do not resolve which amygdala sub-regions interfere with working memory. Lesion studies on the other hand can contribute unique causal evidence on aspects of brain-behaviour phenomena fMRI cannot “see”. To address these questions we investigated working memory performance in three adult female subjects with bilateral basolateral amygdala calcification consequent to Urbach-Wiethe Disease and ten healthy controls. Amygdala lesion extent and functionality was determined by structural and functional MRI methods. Working memory performance was assessed using the Wechsler Adult Intelligence Scale-III digit span forward task. State and trait anxiety measures to control for possible emotional differences between patient and control groups were administered. Structural MRI showed bilateral selective basolateral amygdala damage in the three Urbach-Wiethe Disease subjects and fMRI confirmed intact functionality in the remaining amygdala sub-regions. The three Urbach-Wiethe Disease subjects showed significant working memory facilitation relative to controls. Control measures showed no group anxiety differences. Results are provisionally interpreted in terms of a ‘cooperation through competition’ networks model that may account for the observed paradoxical functional facilitation effect

    Визначення правового статусу садівницьких, городницьких та дачних товариств

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    Розкриваються особливості правового статусу садівницьких, городницьких та дач­них товариств, досліджується їх організаційно-правова форма та ті специфічні пра­вові ознаки, що знаходяться в її основі. У зв’язку з відсутністю правової бази діяль­ності цих товариств, робиться спроба сформувати основні теоретико-правові кон­цептуальні підходи до розуміння їх природи та змоделювати законодавчу схему регулювання їх діяльності.Раскрываются особенности правового статуса садоводческих, огороднических и дачных товариществ, исследуются их организационно-правовая форма и правовые особенности, составляющие ее основание. В связи с отсутствием правовых обоснований деятельности этих товариществ автор стремится сформировать основные теоре­тико-правовые концептуальные подходы к раскрытию их сущности и смоделировать законодательную схему регулирования деятельности рассматриваемых товариществ.In article features of legal status of garden, vegetable-garden and country companies reveal, their organizational legal form and those specific features that are in its basis are investigated. In connection with absence of legal base of activity of these communities is attempted to generate the basic theoretical-legal conceptual approaches to understanding of their nature and model legislative sphere of regulation of their activity becomes

    Testosterone, cortisol, and serotonin as key regulators of social aggression: A review and theoretical perspective

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    In human and non-human animals the steroid hormones cortisol and testosterone are involved in social aggression and recent studies suggest that these steroids might jointly regulate this behavior. It has been hypothesized that the imbalance between cortisol and testosterone levels is predictive for aggressive psychopathology, with high testosterone to cortisol ratio predisposing to a socially aggressive behavioral style. In this review, we focus on the effects of cortisol and testosterone on human social aggression, as well as on how they might modulate the aggression circuitry of the human brain. Recently, serotonin is hypothesized to differentiate between impulsive and instrumental aggression, and we will briefly review evidence on this hypothesis. The aim of this article is to provide a theoretical framework for the role of steroids and serotonin in impulsive social aggression in humans

    Testosterone administration in women increases the size of their peripersonal space

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    Peripersonal space (PPS) is the space immediately surrounding the body, conceptualised as a sensory-motor interface between body and environment. PPS size differs between individuals and contexts, with intrapersonal traits and states, as well as social factors having a determining role on the size of PPS. Testosterone plays an important role in regulating social-motivational behaviour and is known to enhance dominance motivation in an implicit and unconscious manner. We investigated whether the dominance-enhancing effects of testosterone reflect as changes in the representation of PPS in a within-subjects testosterone administration study in women (N = 19). Participants performed a visuo-tactile integration task in a mixed-reality setup. Results indicated that the administration of testosterone caused a significant enlargement of participants’ PPS, suggesting that testosterone caused participants to implicitly appropriate a larger space as their own. These findings suggest that the dominance-enhancing effects of testosterone reflect at the level of sensory-motor processing in PPS

    Боротьба компартійних органів з єврейським національним рухом у 20-х рр. ХХ ст.

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    В статті розглядаються питання пов'язані із знищенням компартійною системою єврейського національного підпілля на Правобережній Україні та проведення репресій щодо єврейських активістів в 20-х рр. ХХ ст.В статье рассматриваются вопросы связанные с уничтожением компартийной системой еврейского национального подполья на Правобережной Украине и проведение репрессий среди еврейских активистов в 20-е гг. ХХ века.The article runs about extermination by Communist Party System of the Jewish National Underground Organization on the Right Bank of Ukraine, as well as carrying repressions against Jewish activists in the 20-th of the 20th century as one of manifistation of antisemitism in Ukraine are under consideration

    The Human Basolateral Amygdala Is Indispensable for Social Experiential Learning

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    Trust and betrayal are central to our social world, and adaptive responses to generous and selfish behavior are crucial to our economic and social well-being [1]. We learn about others’ trustworthiness through trial and error during repeated interactions [2]. By reinforcing and suppressing behavior during positive and negative interactions with conspecifics, rodent research has established a crucial role for the basolateral amygdala (BLA) in social experiential learning [3, 4]. The human BLA has undergone a reorganization with massive expansion relative to other amygdala nuclei [5], and there is no translational research on its role in experiential learning. The human amygdala is traditionally researched as a single structure [6], neglecting the sub-nuclei's structural und functional differences [7], which might explain inconsistent findings in research on social interactions [8, 9]. Here, we study whether the human BLA is necessary for social and non-social experiential learning by testing a group of five humans with selective bilateral damage to the BLA. We compared their learning behavior in a repeated trust game, and a non-social control task, to healthy, matched controls. Crucially, BLA-damaged subjects, unlike control subjects, completely failed to adapt their investments when interacting with a trustworthy and an untrustworthy partner. In the non-social task, BLA-damaged subjects learned from positive outcomes but differed from the controls by not learning from negative outcomes. Our data extend findings in rodent research by showing that the human BLA is essential for social experiential learning and provide confirmatory evidence of divergent mechanisms for differentially valenced outcomes in non-social learning
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