972 resultados para Humboldt, Alexander von, 1769-1859


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Human perception of stress includes an automatic pathway that processes subliminal presented stimuli below the threshold of conscious awareness. Subliminal stimuli can therefore activate the physiologic stress system. Unconscious emotional signals were shown to significantly moderate reactions and responses to subsequent stimuli, an effect called 'priming'. We hypothesized that subliminal presentation of a fearful signal during the Stroop task compared with an emotionally neutral one will prime stress reactivity in a subsequently applied psychosocial stress task, thereby yielding a significant increase in salivary cortisol. Half of 36 participants were repeatedly presented either a fearful face or a neutral one. After this, all underwent a psychosocial stress task. The fearful group showed a significant increase in cortisol levels (p = 0.022). This change was not affected by sex, age and body mass index, and it also did not change when taking resting cortisol levels into account. Post-hoc analyses showed that the increase in cortisol in the fearful group started immediately after the psychosocial stress test. Hence, subliminal exposure to a fearful signal in combination with the Stroop and followed by a psychosocial stress test leads to an increase in stress reactivity. Copyright © 2012 John Wiley & Sons, Ltd.

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ABSTRACT: Recent progress in neuroscience revealed diverse regions of the CNS which moderate autonomic and affective responses. The ventro-medial prefrontal cortex (vmPFC) plays a key role in these regulations. There is evidence that vmPFC activity is associated with cardiovascular changes during a motor task that are mediated by parasympathetic activity. Moreover, vmPFC activity makes important contributions to regulations of affective and stressful situations.This review selectively summarizes literature in which vmPFC activation was studied in healthy subjects as well as in patients with affective disorders. The reviewed literature suggests that vmPFC activity plays a pivotal role in biopsychosocial processes of disease. Activity in the vmPFC might link affective disorders, stressful environmental conditions, and immune function.

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von A. von Schleinitz

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Vortr. d. Grafen [Alexander] von Wartensleben-Schwirsen

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An unusual increase of Campylobacter concisus in stool cultures provoked an outbreak investigation at the University Hospital of Bern. No epidemiological links were found between cases, and the Campylobacter isolates were clonally unrelated. A change in culture conditions to a hydrogen-rich atmosphere enhancing growth of C. concisus was deemed responsible for this pseudo-outbreak.

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von Fürst Alex. v. Hohenlohe

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Welsch (Projektbearbeiter): Anweisung an die Patrimonialbehörden nach dem Wegfall ihrer bislang vom Untertänigkeitsverband aufgebrachten Bezüge, die Gerichtsbarkeit sowie die politische Amtsverwaltung bis zur Einrichtung landesfürstlicher Behörden auf Staatskosten provisorisch fortzuführen. Nebst Ausführungsbestimmungen

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Welsch (Projektbearbeiter): Aufruf an die Landbevölkerung, den Anordnungen und Entscheidungen der Patrimonialbehörden Folge zu leisten, die nach der Aufhebung der Untertänigkeit noch bis zum Zeitpunkt der Einrichtung landesfürstlicher Behörden tätig sind. Nebst Ausführungsbestimmungen

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Welsch (Projektbearbeiter): Da das 'Comité zur Unterstützung mittelloser Gewerbsleute' an letztere Rohstoffe und Halbfabrikate übergibt und diese nach erfolgter Verarbeitung zum Zwecke des Absatzes auch wieder zurücknimmt, sind solche Gegenstände Eigentum des Comités und somit auch nicht pfändbar

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von Held

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u.a. Deutsche Zeitung; 100. Geburtstag; Spende für den Schopenhauer-Fonds; Otto von Bismarck; Alexander von Bulgarien; Politik; Jean Paul; Ludwig van Beethoven; Gemälde von Julius Hamel;

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Acquisition made accessible thanks to a 2015-2017 grant from the Council on Libraries and Information Resources.

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Includes index of artists.