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801.
Christian Frings Ariane Göbel Frank Mast Julia Sutter Christina Bermeitinger Dirk Wentura 《Memory (Hove, England)》2013,21(6):585-596
Marginally perceptible prototypes as primes lead to slowed reactions to related category exemplars as compared to unrelated ones. This at first glance counterintuitive finding has been interpreted as evidence for a particular mechanism of lateral inhibition, namely the centre surround inhibition mechanism. We investigated the semantic surround of category labels by experimentally manipulating the prototypicality of stimuli. Participants first learned two new categories of fantasy creatures in a 5-day-long learning phase before they worked through a semantic priming task with the category prototypes as primes and category exemplars as targets. For high-prototypical targets we observed benefit effects from related primes, whereas for low-prototypical targets we observed cost effects. The results define when the centre surround inhibition mechanism is applied, and furthermore might explain why previous studies with word stimuli (i.e., material that prevents experimental manipulation of prototypicality) observed mixed results concerning the prototypicality of targets. 相似文献
802.
Patients, when admitted to an intensive care unit (ICU), have one thing in common: their illness is life-threatening. Patients may remain on ICU in a critical condition, needing support with their breathing, circulation, and/or kidneys for varying lengths of time, from days to weeks. During that time the patients will receive sedative and analgesic drugs to ensure compliance with artificial ventilation. Patients recovering from critical illness frequently have little or no recall of their period in ICU, or remember nightmare, hallucinations, or paranoid delusions. The nature, extent and reason for these difficulties, have been under-reported and consequently our purpose was to conduct a review of memory problems experienced by ICU patients. A systematic literature review of computer databases (Medline, PsycLit, and CINAHL) identified 25 relevant papers. In addition, other relevant articles were obtained, citation lists and associated articles retrieved. Due to lack of research on processes underlying memory problems in ICU patients all articles that introduced an insight into possible mechanisms were included in the review. There seem to be two possible processes contributing to memory problems in ICU patients. First the illness and treatment may have a general dampening effect on memory. Delirium and sleep disturbance are both common in ICU patients. Delirium can result in a profound amnesia for the period of confusion. Sleep deprivation exacerbates the confusional state. Slow wave sleep is important for the consolidation of episodic memories. Treatment administered to patients in ICU can have effects on memory. Opiates, benzodiazepines, sedative drugs such as propofol, adrenaline, and corticosteroids can all influence memory. In addition, the withdrawal of drugs, such as benzodiazepines, can cause profound withdrawal reactions, which may contribute to delirium. Second, we hypothesise that there is a process that affects memory negatively for external events but enhances memory for internal events. The physical constraints and social isolation experienced by ICU patients and the life-threatening nature of the illness may increase the experience of hypnagogic hallucinations. Attentional shift during hypnagogic images from external stimuli to internally generated images would explain why ICU patients have such poor recall of external ICU events, but can clearly remember hallucinations and nightmares. Patients describe these memories as being very vivid and this is explored in terms of flashbulb memory formation. The absence of memories for real events on ICU can result in ICU patients remembering paranoid delusions of staff trying to kill them, with little information to reject these vivid memories as unreal. This has implications for patients' future psychological health. 相似文献
803.
Jaana Simola Markus Kivikangas Jarmo Kuisma Christina M. Krause 《Applied cognitive psychology》2013,27(4):429-442
Previous research suggests that the same ad can have different effects depending upon the media context in which the ad appears. This experiment investigated how the semantic relation between the content of advertisements and editorial texts, and the ad location on newspaper pages affect attention and memory for advertisements. We recorded participants' eye movements while they read newspaper articles to rate how interesting the texts were. Recognition for ads, logos, and editorial headlines was measured on the following day. Results revealed a discrepancy between attention and memory results, suggesting that incongruency increased attention to ads, whereas congruency improved recognition of ads. In addition, ads presented on the right attracted more attention and were recognized better than ads on the left. The results have implications for pretesting of advertisements, because attention and memory for ads were associated with higher preference for brands, and purchase intention was enhanced for the brands that were recognized. Copyright © 2013 John Wiley & Sons, Ltd. 相似文献
804.
This article explores the relationship between on the 1 hand psychological contract fulfilment and affective commitment and on the other hand, normative commitment and job satisfaction. We hypothesized that the perceived supervisor support (PSS) and the perceived organizational support (POS) mediate the relationship between the fulfilment of the psychological contract, commitment and job satisfaction. The sample consists in 337 soldiers in training. In order to test our model, we used 3 measures of psychological contract fulfilment (economic, socioemotional and developmental), PSS and POS measures as well as attitudes. Results show that the developmental psychological contract is related to affective and normative organizational commitment and job satisfaction whereas socioemotional fulfilment is unrelated to affective commitment. Psychological contract fulfilment has a greater impact on normative commitment than affective commitment. Results show also that only PSS plays a mediating role in psychological contract processes. Several implications emerge from this study. First, in a military context, it is important to strengthen the developmental psychological contract. Second, it is essential for organizations to place greater emphasis on encouraging supervisors to establish healthy working relationships with newcomers. 相似文献
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806.
Christina G. L. Nerstad Glyn C. Roberts Astrid M. Richardsen 《Journal of applied social psychology》2013,43(11):2231-2250
Although work represents an important achievement setting, research on the perceived motivational climate, as defined by the achievement goal theory (AGT), remains limited. Calls have been made for research on the salience of such situational influences based on traditional AGT. Therefore, the aim of this research was to develop a scale to measure the motivational climate at work. In a pilot study, participants completed a developed questionnaire and the findings supported psychometric properties of the questionnaire. Two further studies were conducted and the findings provided evidence of content validity, criterion‐related validity, construct validity, and internal consistency. The findings suggest the questionnaire might be used to determine the perception of the extant motivational climate in the workplace. 相似文献
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810.
Christina Sophia Lloyd Britt af Klinteberg Valerie DeMarinis 《Mental health, religion & culture》2015,18(4):259-272
The objective was to explore psychological and existential vulnerability among clinical young women in Sweden. Females (n?=?53) with depression as the most common preliminary diagnosis were investigated through an online questionnaire. Included measures were Karolinska Scales of Personality, Self-concept, Strategies to Handle Negative Emotions, Sense of Coherence, and questions pertaining to existential meaning-making, including religious/spiritual belief. The sample was divided into High (n?=?35) and Low/Inter (n?=?18) groups according to scores on the anxiety- and depression-related personality scale Inhibition of aggression. Using independent samples t-test, the High group showed signs of significantly higher psychological and existential vulnerability than the Low/Inter group. Salutogenic factors being (1) coming from socially and societally engaged families and (2) being in a functional existential meaning-making process. The conclusion is that vulnerabilities in the psychological and existential domains are linked, especially in individuals high on depression-like aspects of personality. However, no significant differences for religion/spirituality were found. Treatment implications were addressed. 相似文献