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71.
Contextual fear conditioning under training conditions involving high stressor intensities has been proposed as an animal model for traumatic memories. The strength of memory for this task has been related to the intensity of the conditioning stressor and post-training corticosterone values. However, administration of a glucocorticoid receptor (GR) antagonist only attenuated memory for this task in rats conditioned at a moderate shock intensity (0.4 mA), but failed to influence conditioning in rats trained at a high shock intensity (1 mA). Here, we further questioned whether interfering with glucocorticoid action at the time of training might be effective in influencing contextual fear conditioning in rats trained under different shock intensities. Rats were subcutaneously injected with the glucocorticoid synthesis inhibitor metyrapone (50, 100 mg/kg) 90 min before being trained in the contextual fear conditioning task, at either 0.4 or 1 mA shock intensities. The results showed that metyrapone, in a dose-dependent manner: (i) attenuated long-term expression of contextual fear conditioning, both in 0.4- and 1 mA-trained rats; and (ii) efficiently prevented increased plasma corticosterone concentration. In addition to further supporting a facilitating role of glucocorticoids in memory consolidation, these findings suggest a critical involvement of these hormones in the formation of traumatic memories.  相似文献   
72.
Information is given about a series of studies with Allsopp and Feldman's ASB scale (1976) in its Spanish version, which compliments the information collected in Silva, Martorell and Clemente (1986a). It deals with test-retest reliability with an interval of 12 months; with comparisons between anonymous and non-anonymous data, and comparison between self-evaluation and evaluation by others. The results support the metric quality of the ASB scale, inviting revision of some of the common criticisms made of these types of instruments.  相似文献   
73.
To ensure close adherence to the contents of a family-based cognitive-behavioural programme, and maintain a high standard of quality in its implementation, it is important that practitioners’ attitudes and beliefs regarding family skills coincide with those of the programme. This paper describes and analyses (observed) potential changes in these beliefs, after training courses held prior to the application of a prevention programme for families: the Family Competence Programme. A questionnaire was devised to examine practitioners’ beliefs regarding family skills; and completed both before and after the training course. The results point to significant changes in family dynamics, realistic expectations and active listening. Thus, it can be demonstrated that preliminary training courses promote practitioner attitudes and beliefs which are more coherent with a subsequent programme’s approach.  相似文献   
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Workplace incivility is a growing problem in nursing. However, most studies that explore this psychosocial risk and its consequences do so considering a single level and a between‐person perspective. The aims of the study were to explore whether the effects of experiencing incivility during work‐time could explain the daily levels of well‐being of nurses at home; and to analyze if that relationship could be moderated by their levels of emotional dysregulation as a trait. This is a multilevel study with diary methodology. The study was carried out in 18 primary health‐care centers belonging to Madrid and the Basque Country, in Spain. Ninety‐four nurses completed a general questionnaire and 54 of them a diary booklet over five consecutive working days in two different moments, immediately after work and at bedtime. The results showed that nurses’ emotional dysregulation moderated the relationship between daily workplace incivility and daily fatigue, and positive affect at night at home. However, there were no direct effects of daily incivility on these outcome variables. In conclusion, the presence of difficulties in emotional regulation among nurses can increase the negative effects of daily workplace incivility on their health and well‐being.  相似文献   
77.
This diary study examines psychological detachment, companionship, and content of conversation during lunch break as predictors of daily vigour after lunch break and at the end of the working day. Drawing on resource regulation theory and the effort recovery model (ERM), we hypothesize that companionship of the supervisor during lunch break is negatively and companionship of colleagues positively related to employee’s daily vigour. The companionship of both, supervisors and colleagues, as well as work-related conversations are hypothesized to decrease psychological detachment during lunch breaks. In total, 71 persons in administrative jobs completed daily surveys over one working week. Results of hierarchical linear modelling showed that psychological detachment is positively related to vigour after lunch break, but unrelated to vigour at the end of the working day. Lunch breaks with the supervisor predicted a lower level of vigour at the end of the working day, but a higher level of vigour after lunch break. Lunch breaks with colleagues were unrelated to vigour after lunch break, but associated with higher vigour at the end of a working day. The companionship of both—colleagues and supervisors—as well as work-related conversation decreased psychological detachment during lunch break.  相似文献   
78.
Impairments of word recognition in Alzheimer's disease (AD) have been less widely investigated than impairments affecting word retrieval and production. In particular, we know little about what makes individual words easier or harder for patients with AD to recognize. We used a lexical selection task in which participants were shown sets of four items, each set consisting of one word and three non‐words. The task was simply to point to the word on each trial. Forty patients with mild‐to‐moderate AD were significantly impaired on this task relative to matched controls who made very few errors. The number of patients with AD able to recognize each word correctly was predicted by the frequency, age of acquisition, and imageability of the words, but not by their length or number of orthographic neighbours. Patient Mini‐Mental State Examination and phonological fluency scores also predicted the number of words recognized. We propose that progressive degradation of central semantic representations in AD differentially affects the ability to recognize low‐imageability, low‐frequency, late‐acquired words, with the same factors affecting word recognition as affecting word retrieval.  相似文献   
79.
Grounded in role congruity theory, we examine how status incongruence (when the subordinate is older, has more education, work experience, and/or organizational tenure than the supervisor) in subordinate–supervisor dyads affects transformational leaders’ ability to foster affective organizational commitment among their subordinates. Across two field studies, our findings show that the relationship between transformational leadership and subordinate affective organizational commitment is less positive when status incongruence is high. Furthermore, in both field studies we found a 3‐way interaction among transformational leadership, status incongruence, and supervisor gender predicting subordinate affective organizational commitment. Specifically, in Study 1 (pink‐collar employees in Turkey), low status incongruence strengthened the positive relationship between transformational leadership and subordinate affective organizational commitment for male leaders. In Study 2 (pink‐collar employees in the United States), low status incongruence strengthened the positive relationship between transformational leadership and subordinate affective organizational commitment for female leaders. Furthermore, Study 2 also revealed that collective identity was a mediator of both the significant 2‐ and 3‐way interaction effects on subordinate affective organizational commitment.  相似文献   
80.
The reaction time has been described as a measure of perception, decision making, and other cognitive processes. The aim of this work is to examine age‐related changes in executive functions in terms of demand load under varying presentation times. Two tasks were employed where a signal detection and a discrimination task were performed by young and older university students. Furthermore, a characterization of the response time distribution by an ex‐Gaussian fit was carried out. The results indicated that the older participants were slower than the younger ones in signal detection and discrimination. Moreover, the differences between both processes for the older participants were higher, and they also showed a higher distribution average except for the lower and higher presentation time. The results suggest a general slowdown in both tasks for age under different presentation times, except for the cases where presentation times were lower and higher. Moreover, if these parameters are understood to be a reflection of executive functions, these findings are consistent with the common view that age‐related cognitive deficits show a decline in this function.  相似文献   
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