791 research outputs found
Two Approaches to Multiobjective Programming Problems with Fuzzy Parameters
Two approaches to the analysis of multiobjective programming problems are presented based on a systematic extension of the traditional formulation of the problem to obtain a formulation applicable for processing information in the form of fuzzy sets. Solutions are based on trade-offs among achieving greater possible degree of nondominance and greater possible degree of feasibility
Allelic polymorphism of glucocorticoid receptor NR3C1 (GR): from molecular biology to clinical implications
Polymorphism of stress-related genes is a key factor determining difference in the stress reactivity and
resistance among humans. Glucocorticoid receptors are important actors of stress responses. This review is
focused on the molecular biology and clinical implications of glucocorticoid receptor gene polymorphism.
Keywords: glucocorticoid receptors, allelic polymorphism, SNP, NR3C1, GR, stress-induced pathology.Полиморфизм генов, участвующих в реализации стрессорного ответа, является одним из ключевых факторов, определяющих различия в стресс-реактивности и резистентности в человеческой популяции. Среди генов – регуляторов стресса в первую очередь следует выделить гены рецепторов глюкокортикоидов. В обзоре дана детальная характеристика их молекулярной биологии, на основании чего проведен анализ возможной связи наиболее распространенных вариантов SNP с альтерацией стрессорных реакций и развитием клинической патологии.
Ключевые слова: глюкокортикоидные рецепторы, аллельный полиморфизм, SNP, NR3C1, GR, болезни адаптации.Поліморфізм генів, які беруть участь у реалізації стресорної відповіді, є одним із ключових факторів, що визначають розбіжності в стрес-реактивності і резистентності в людській популяції. Серед генів – регуляторів стресу у першу чергу варто відзначити гени рецепторів глюкокортикоїдів. В огляді надано детальну характеристику молекулярної біології даних генів, на підставі чого зроблено аналіз можливого зв’язку найрозповсюдженіших варіантів SNP з альтерацією стресорних реакцій та розвитком клінічної патології.
Ключові слова: глюкокортикоїдні рецептори, алельний поліморфізм, SNP, NR3C1, GR, захворювання адаптації
Mathematical Programming Problems with Fuzzy Parameters
An approach to the analysis of mathematical programming problems is presented that is based on a systematic extension of the traditional formulation of the problem to obtain a formulation applicable for processing information in the form of fuzzy sets. Solutions are based on trade-offs among achieving greater possible degree of nondominance and greater possible degree of feasibility
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The Role of Autobiographical Memory Recall in Reappraisal Efficacy and Effort Across Age
Socioemotional theories posit that the experience of overcoming unique life challenges over a lifetime enhances self-efficacy and emotional resilience among older adults. Older adults demonstrate greater emotional well-being and motivation to regulate emotions than younger adults, but specific regulatory mechanisms supporting late-life emotional resilience remain unclear. Cognitive reappraisal is an effective but cognitively demanding emotion regulation strategy and shows mixed efficacy in later-life. While a growing repertoire of autobiographical memories may be a resource with age, the role of autobiographical recall in momentary reappraisal has never been tested empirically. In this online study, older and younger adults were trained to reappraise the meaning of negative images as more positive by associating them either to any relevant autobiographical memory from the past (n=153), a specific cued autobiographical memory (reappraisal, n=118), or without autobiographical reference (n=156). Results revealed all strategies to be effective in regulating negative image intensity across age. While older adults outperformed younger adults in the non-AM condition, the opposite was observed for uncued AM reappraisals, and no age differences were found for cued AM reappraisals. Non-AM reappraisal was easiest to employ for all participants, and older adults reported all reappraisal strategies as easier than younger adults. While older adults found their AMs more helpful and more similar to reappraised images than younger adults, AM- image similarity was surprisingly associated with lower reappraisal efficacy. Findings suggests that AM reappraisal benefits are mixed for older adults, likely due to efficacy but higher associated cognitive burden of AM recall. We posit that older adults may sacrifice immediate hedonic relief, to engage with challenging but helpful emotion regulation strategies. We discuss limitations of this study, and areas for future directions to substantiate interpretations further
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