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121.
This study examined the relationship between heart rate variability (HRV), as an index of individual differences in emotion
regulation, and perception of other-blame, as a mechanism of anger induction. The physiological responses were recorded while
subjects read a story from a computer screen. The story narrated a negative event in self-referred way -dismissal from a job
as the result of a colleague’s action- under conditions of intentionality versus non-intentionality. Cognitive and emotional
variables were assessed by questionnaire immediately after the physiological test. The resulting structural model supports
the conclusion that HRV exerts its regulatory influence directly on perception of other-blame rather than on emotion. In situations
of intentionality, individuals with higher HRV make less extreme evaluation of the offender’s blame, versus those with lower
HRV, thus leading to a reduction in anger reaction. These results suggest that HRV is a direct index of cognitive rather than
emotional regulation. 相似文献
122.
Musical memory was tested in Alzheimer patients and in healthy older adults using long-term and short-term memory tasks. Long-term memory (LTM) was tested with a recognition procedure using unfamiliar melodies. Short-term memory (STM) was evaluated with same/different judgment tasks on short series of notes. Musical memory was compared to verbal memory using a task that used pseudowords (LTM) or syllables (STM). Results indicated impaired musical memory in AD patients relative to healthy controls. The deficit was found for both long-term and short-term memory. Furthermore, it was of the same magnitude for both musical and verbal domains whether tested with short-term or long-term memory tasks. No correlation was found between musical and verbal LTM. However, there was a significant correlation between verbal and musical STM in AD participants and healthy older adults, which suggests that the two domains may share common mechanisms. 相似文献
123.
This study used the Remember/Know (R/K) procedure combined with signal detection analyses to assess recognition memory in 20 elders with amnestic mild cognitive impairment (aMCI), 10 patients with probable Alzheimer’s disease (AD) as well as matched healthy older adults. Signal detection analyses first indicated that aMCI and control participants were comparable on general recognition performance. As regards AD patients, they were impaired relative to both aMCI and healthy elders. When assessing Remember and Know responses the aMCI group showed diminished sensitivity for Remember responses but intact Know responses compared to healthy elders. In contrast, AD patients showed decreased sensitivity for both Remember and Know responses compared to control and aMCI participants. The response bias index revealed that AD patients were more liberal than aMCI and control participants when providing Know responses. On the other measures, response bias was comparable between the groups. Overall, this study indicates that the R/K procedure can characterize different aspects of recognition memory performance in persons with aMCI or AD. 相似文献
124.
A. Le Roux 《Journal of child and family studies》2009,18(2):219-226
Loneliness can be regarded as an epidemic of modern society that is becoming increasingly problematic for millions of people.
Adolescents are particularly susceptible to the development of this kind of emotional distress. Although many causes of loneliness
can be identified, some researchers are of the opinion that it can also be attributed to unpleasant childhood experiences
that result in unfulfilled needs relating to intimacy. In this research study, the relationship between loneliness and adolescents’
attitudes towards their fathers was investigated. In order to achieve this goal, information was gathered from 1068 South
African respondents. Biographical questionnaires were administered and a Loneliness Scale was applied. In addition, adolescents’
attitudes towards their fathers were measured by means of a Fathers Questionnaire. Steps were taken to determine which of
the independent variables, namely gender, age, race, language and socio-economic status, contributed significantly to the
prediction of loneliness. In order to process the acquired information, a stepwise multiple regression analysis was conducted.
The most important finding of this study is that adolescents’ attitudes towards their fathers comprise the most prominent
predictor of loneliness during adolescence. The results also indicated that all of the independent variables had a statistically
significant influence on loneliness. 相似文献
125.
Sylvie Gravel Annick Germain Heidi Hoernig 《Journal of International Migration and Integration》2009,10(2):197-208
In recent years, ethnic statistics have been at the core of a passionate debate in many Europeans countries. This debate has been as much about the political legitimacy of ethnoracial data collection in the census as it has been about the scientific legitimacy of ethnic statistics to understand social inequality and discrimination. These questions have not provoked the same kind of intense debate among academics in Canada. However, very few studies have examined the relevance of these issues beyond the census. This paper presents results of an exploratory study conducted with 14 major public institutions across diverse sectors including health, law enforcement and public safety, social services, and housing in Montréal. Investigating which institutions collects ethnic statistics and why, the study examined the political, scientific, ethical, and pragmatic issues raised by local managers. 相似文献
126.
无关声音效应是在对注意与记忆进行研究时所发现的一个现象,有益于探讨噪音等无关声音刺激对个体认知过程、工作绩效及身心健康的影响作用。在简要回顾ISE现象的界定与理论解释争论的基础上,重点从对刺激强度不同的ISE现象之理论分析、应用价值及一些相关的近期研究方面作了介绍,从对ISE现象的理论解释、无关声音刺激的选取、研究方法的综合使用、ISE现象中的个体差异等方面做了展望。 相似文献
127.
This study examined the effect of the variability of representation of durations in reference memory on temporal discrimination performance in children aged 5 and 8 years as well as in adults using a bisection (Experiment 1) and a generalization task (Experiment 2). In each task, the participants were familiarized before the blocks of tested trials with either the same referent duration values (fixed condition) or a distribution of referent duration values, with a mean equal to the referent durations used in the fixed condition and a .20 coefficient of variation (variable condition). The results showed that the sensitivity to duration was lower in the variable than in the fixed condition in the children and, to a lesser extent, in the adults. The modelling of the data indicated that this effect was due to the increase in the variability of the representation of durations in reference memory, but also to changes in the decisional processes. 相似文献
128.
Sylvie Droit-Volet 《The Quarterly Journal of Experimental Psychology Section A: Human Experimental Psychology》2002,55(4):1193-1209
This experiment investigated temporal generalization performance in children aged 3, 5, and 8 years by using auditory stimulus durations where the standard was 0.4 s or 4.0 s, and non-standard stimuli were spaced linearly around the standard. At all ages, generalization gradients superimposed well when plotted on the same relative scale, indicating conformity to scalar timing. Whatever the standard duration used, the principal developmental changes were the increasing steepness of the generalization gradient with increasing age and a shift from symmetrical gradients, in the 3- and 5-year-olds, to adult-like asymmetrical gradients in the 8-year-olds. 相似文献
129.
Hector F. Myers Sylvie Taylor Kerby T. Alvy Angela Arrington Mark A. Richardson 《American journal of community psychology》1992,20(5):557-576
Studied contributions of maternal psychological distress, family stress load, maternal and family risk factors, and family coping strategies in predicting behavior problems in 441 inner-city black primary-grade children. Results indicated maternal psychological distress and high family stress load were associated with high child behavior problems. Family coping strategies offered no protection against risk, while coping with life difficulties by reframing them was detrimental to child behavioral adjustment. Active help-seeking strategies (i.e., family mobilization, acquiring social supports) served to moderate the effects of maternal psychological distress and family risk attributes for boys, but exacerbated the effects of dysfunctional maternal social and psychiatric histories for girls. Implications for understanding vulnerability and resilience in inner-city black children and recommendations for future research are discussed. 相似文献
130.
Nondeprived male Sprague-Dawley rats that were given scheduled access to running wheels for 60 min daily ran immediately and energetically. Intraperitoneal injections of 400 micrograms/kg pancreatic glucagon and 0.15 microgram/kg cholecystokinin octapeptide had no effect on scheduled running, but significantly inhibited feeding when the rats were offered condensed milk instead of access to the running wheels. This is consistent with the hypothesized function of these peptides as postprandial satiety signals. In contrast, 0.5 mg/kg amphetamine and 75 microM/kg LiCl, which produced similar degrees of anorexia, inhibited running by about 50%. Amphetamine, but neither peptide, also inhibited water drinking and disrupted the behavioral sequence of postprandial satiety. The distance run during scheduled running tests was inversely related to body weight, but the patterns of the drugs' effects were not altered by baseline running differences. Scheduled wheel running is a robust consummatory behavior that appears to provide a relatively valid, simple, and sensitive test of the behavioral specificity of pharmacological anorexia. 相似文献