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81.
Differential effects of emotional arousal in short- and long-term memory in healthy adults 总被引:4,自引:0,他引:4
Quevedo J Sant'Anna MK Madruga M Lovato I de-Paris F Kapczinski F Izquierdo I Cahill L 《Neurobiology of learning and memory》2003,79(2):132-135
Recent studies demonstrated important differences between short- and long-term memory mechanisms. Besides, the emotional component has a crucial role in memory formation. This study was carried out to answer whether there is a differential influence of emotional arousal in short- and long-term memory in healthy adults. Thirty-one healthy volunteers were divided into two major groups. In the first group long-term memory (LTM) was evaluated, with the testing session one week after training. The second group was tested 1h after training, where short-term memory (STM) was evaluated. Each group was divided in to two subgroups. One half of the volunteers was exposed to an emotionally neutral story, and the other half of each group was exposed to a closely matched but more emotionally arousing story. The testing session consisted of a questionary containing 80 questions of multiple choices. The results were evaluated through percentage of correct answers. Results showed that correct answers were increased, in LTM measures, in the subjects that were given the emotional version of the test. In STM measures, no differences were found between the emotional and neutral version. However, the presentation of emotional story caused an emotional reaction in both groups. The lack of effect of emotional arousal in STM suggests that amygdala is not related to STM mechanisms. Further studies using different approaches are needed to elucidate if STM processes are influenced by emotional arousal. 相似文献
82.
83.
Binocular rivalry occurs when the two eyes are presented with incompatible stimuli and the perceived image alternates between the two stimuli. The aim of this study was to find out whether the periodic perceptual loss of a monocular stimulus during binocular rivalry is mirrored by a comparable loss of contrast sensitivity. We presented brief test stimuli to one eye while its conditioning stimulus was dominant or suppressed. The test stimuli were varied widely across four stimulus domains--namely, the relative stimulation of medium- and long-wavelength-sensitive cones, duration, spatial frequency, and grating orientation. The result in each case was the same. Suppression depended slightly or not at all on the type of test stimulus, and contrast sensitivity during suppression was around 64% of that during dominance. The effect of suppression on sensitivity is therefore very weak, relative to its effect on the perceived image. Furthermore, suppression was largely independent of the similarity between the conditioning and the test stimuli, indicating that our results are better explained by eye suppression than by stimulus suppression. A model is presented to account for the small, monocular sensitivity loss during suppression: It assumes that test detection precedes conditioning stimulus perception in the visual pathway. 相似文献
84.
The nature and extent of young caring in the UK continue to be a feature of a growing number of research programmes motivated by a children and carers' rights philosophy. However, the context in which young caring occurs as a result of parental ill-health or disability can only be fully understood by examining the findings and implications of medical research into parental impairment, and the social movements that have served to re-define the concept of 'disability' in society. This paper examines the arguments put forward by medical researchers, by those proposing a social model of disability and by those who have specifically investigated the conditions and experiences of young carers. It argues that children's caring roles within families where there is parental illness or disability need to be understood not only as a reflection of the nature of the medical condition itself, but as a consequence of complex family, social and economic processes. A 'whole family' approach is proposed, where the needs of children and parents are respected and responded to. 相似文献
85.
The primary purpose of the present research was to relate questionnaire-assessed self-reported childhood happiness and events to adulthood happiness in 387 non-clinical participants. Although childhood happiness and adult happiness were found to be significantly correlated (r = .28, p < .001), there was little relationship between reported adult happiness and reported specific childhood events and circumstances. Childhood events and circumstances, however, were much more highly correlated with childhood happiness (R = .64). Thirty-four percent of the persons who said they were unhappy or very unhappy as a child, but only 9% who said they were happy or very happy as a child, reported that they were unhappy or very unhappy as adults. 相似文献
86.
Sara Jo Nixon 《Psychological science》1999,10(3):181-185
The neurocognitive effects of alcohol have been frequently examined. Studies reveal a wide array of cognitive deficits. Attempts to develop a parsimonious model for these effects have been difficult because of the intra- and intersubject variability. Complicating the development of a model of cognitive deficits in substance abusers is the common practice of polysubstance abuse. The use of theoretical models that focus on the underlying cognitive processes offers flexibility while maintaining sufficient theoretical precision. This article briefly reviews the literature on neurocognitive changes associated with substance abuse as well as the various theoretical models that have been studied. It also provides an overview of recovery of function. Its primary objective is to evaluate cognitive function among alcoholic subtypes, defined by patterns of other drug use. This analysis suggests there are significant differences in neurocognitive function among these subtypes. 相似文献
87.
88.
Betty McLellan 《British Journal of Guidance & Counselling》1999,27(3):325-337
Historically, psychotherapy has largely failed women and other marginalised people. Created by the mainstream to serve the mainstream, traditional therapy focuses on the individual and works to bring all individuals into line with the status quo. In contrast, feminist therapy (as one of the radical alternative therapies) emphasises the need for psychotherapy to be based in a socio-political philosophy which names oppression as the cause of most of the emotional and psychological distress experienced by individuals. A major emphasis is on change rather than adjustment. Traditional therapy is charged with: (1) reinforcing society's mystifications/lies/deceit; and (2) allowing itself to be used and degraded in service of the mainstream. The role of demystification, honesty and the pursuit of justice as therapeutic endeavours is discussed. 相似文献
89.
Jo Hutchinson 《British Journal of Guidance & Counselling》2018,46(1):51-65
English independent schools are not required to follow government statutory guidance in a number of aspects including career education and guidance, and yet many are actively engaged in careers work and this has caught the attention of policymakers. State schools are subject to statutory guidance but, according to Ofsted and other authorities, the majority fail to adequately support young people through their post-school transitions. Using evidence from five English independent schools, the type of provision they offer is analysed against benchmarks of good practice to identify where their support is focussed. The factors that shape the resourcing and design of career education and guidance in the five schools are also explored. The extent to which the practices observed in the case studies can be replicated in all, or a sub-set of state schools, is discussed in the light of policy influence of independent schools. 相似文献
90.
Saunders J 《Memory (Hove, England)》2012,20(2):90-99
Previous research using the Gudjonnson suggestibility scale has suggested a role for self-esteem in suggestibility, with participants low in self-esteem being more suggestible than participants high in self-esteem. Four experiments are presented examining the role of self-esteem in the misinformation effect and whether enhanced suggestibility effects in participants low in self-esteem reflect genuine memory impairment. In Experiments 1 and 4 participants completed a standard recognition test. In Experiment 2 participants completed the modified recognition test. In Experiment 3 participants completed a free recall test. In Experiments 1 and 4 participants low in self-esteem demonstrated greater misinformation effects than participants high in self-esteem. In Experiment 3 a 3-day retention interval was employed with the modified test and no differences were found between the two groups on the reporting of the new item. The findings suggest that participants low in self-esteem are particularly sensitive to demand characteristics and post-event suggestion but do not suffer from genuine memory impairment. 相似文献