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71.
Philippe FL Koestner R Beaulieu-Pelletier G Lecours S Lekes N 《Personality & social psychology bulletin》2012,38(4):505-519
The purpose of the present research was to examine the automatic role of psychological need satisfaction in episodic memories and in their associated networked memories on people's sense of well-being. In each of four studies, participants were asked to describe a main episodic memory and networked memories, that is, other memories related to their main episodic memory. Results of Studies 1 and 2 revealed that levels of need satisfaction in a main episodic memory and in its networked memories both uniquely contributed to the prediction of well-being (based on either participants' or peers' ratings). Study 3 examined the automatic effect of priming an episodic memory network on people's well-being in the here and now. Study 4 revealed that need satisfaction in episodic memory networks predicted changes in well-being over time. In addition, this relationship held after controlling for broad dispositional traits, mental health, and general need satisfaction ratings. 相似文献
72.
Our review of research on PET and fMRI neuroimaging of experts and expertise acquisition reveals two apparently discordant patterns in working-memory-related tasks. When experts are involved, studies show activations in brain regions typically activated during long-term memory tasks that are not observed with novices, a result that is compatible with functional brain reorganization. By contrast, when involving novices and training programs, studies show a decrease in brain regions typically activated during working memory tasks, with no functional reorganization. We suggest that the latter result is a consequence of practice periods that do not allow important structures to be completely acquired: knowledge structures (i.e., Ericsson and Kintsch's retrieval structures; Gobet and Simon's templates) and in a lesser way, chunks. These structures allow individuals to improve performance on working-memory tasks, by enabling them to use part of long-term memory as working memory, causing a cerebral functional reorganization. Our hypothesis is that the two brain activation patterns observed in the literature are not discordant, but involve the same process of expertise acquisition in two stages: from decreased activation to brain functional reorganization. The dynamic of these two physiological stages depend on the two above-mentioned psychological constructs: chunks and knowledge structures. 相似文献
73.
Several findings showed that semantic information is more likely to be retrieved from recognised faces than from recognised voices. Earlier experiments, which investigated the recall of biographical information following person recognition, used stimuli that were pre-experimentally familiar to the participants, such as famous people's voices and faces. We propose an alternative method to compare the participants' ability to associate semantic information with faces and voices. The present experiments allowed a very strict control of frequency of exposure to pre-experimentally unfamiliar faces and voices and ensured the absence of identity clues in the spoken extracts. In Experiment 1 semantic information was retrieved from the presentation of a name. In Experiment 2 semantic and lexical information was retrieved from faces and/or voices. A memory advantage for faces over voices was again observed. 相似文献
74.
75.
Serge Caparos 《Visual cognition》2013,21(8):1218-1227
In the study of visual attention, two major determinants of our ability to ignore distracting information have been isolated, namely, (1) the spatial separation from the focus of attention and (2) perceptual load. This study manipulated both factors using a dual-task adaptation of the flanker paradigm (Eriksen & Hoffman, 1973). It showed that (1) although attention followed a gradient profile under low perceptual load it followed a Mexican-hat profile under high perceptual load, consistent with the idea that increasing load focuses spatial attention; and (2) increasing perceptual load did not improve overall selectivity: Though selectivity improved at near separations, it was impaired at far ones. Load and spatial separation exert interacting effects. 相似文献
76.
Osborne P. Wiggins John H. Barker Serge Martinez Marieke Vossen Claudio Maldonado Federico V. Grossi 《The American journal of bioethics : AJOB》2013,13(3):1-12
Transplantation continues to push the frontiers of medicine into domains that summon forth troublesome ethical questions. Looming on the frontier today is human facial transplantation. We develop criteria that, we maintain, must be satisfied in order to ethically undertake this as-yet-untried transplant procedure. We draw on the criteria advanced by Dr. Francis Moore in the late 1980s for introducing innovative procedures in transplant surgery. In addition to these we also insist that human face transplantation must meet all the ethical requirements usually applied to health care research. We summarize the achievements of transplant surgery to date, focusing in particular on the safety and efficacy of immunosuppressive medications. We also emphasize the importance of risk/benefit assessments that take into account the physical, aesthetic, psychological, and social dimensions of facial disfiguration, reconstruction, and transplantation. Finally, we maintain that the time has come to move facial transplantation research into the clinical phase. 相似文献
77.
78.
Adolescence is characterized by the emergence of advanced forms of social perspective taking and significant changes in social behavior. Yet little is known about how changes in social cognition are related to changes in brain function during adolescence. In this study, we investigated the neural correlates of social behavior during three phases of adolescence, carrying out functional magnetic resonance imaging of participants' brains while they were Player 2 in the Trust Game. We found that with age, adolescents were increasingly sensitive to the perspective of the other player, as indicated by their reciprocal behavior. These advanced forms of social perspective-taking behavior were associated with increased involvement of the left temporo-parietal junction and the right dorsolateral prefrontal cortex. In contrast, young adolescents showed more activity in the anterior medial prefrontal cortex, a region previously associated with self-oriented processing and mentalizing. These findings suggest that the asynchronous development of these neural systems may underlie the shift from thinking about self to thinking about the other. 相似文献
79.
Recent advances in the cosmetics industry have accelerated the availability of products marketed as “anti-aging.” Our research goals were to identify the factors that predict women’s purchase of these products, and to gain insight into women’s perceptions of the anti-aging market. Three hundred and four Canadian women were surveyed about their use of anti-aging products, body satisfaction, aging anxiety, appearance importance, sociocultural pressures and self-esteem, as well as open-ended responses about their perceptions of anti-aging products. Greater aging anxiety and higher importance of appearance were related to greater likelihood of purchasing anti-aging products. Women also described an interesting paradox whereby they report using these products while remaining critical of media messages and embracing the idea of natural aging. 相似文献
80.
Auto-referential materials (i.e., the own name) have been described as particularly prone to capture attention. Some recent studies have questioned this view and shown that these own name effects are temporary and appear only in specific conditions: when enough resources are available (Harris, C. R., & Pashler, H. (2004). Attention and the processing of emotional words and names: Not so special after all. Psychological Science, 15, 171-178) or when the own name is presented within the focus of attention if it is a task-irrelevant stimulus (Gronau, N., Cohen, A., & Ben-Shakhar, G. (2003). Dissociations of personally significant and task-relevant distractors inside and outside the focus of attention: A combined behavioral and psychophysiological study. Journal of Experimental Psychology: General, 132, 512-529). In the present study, a stimulus that is unique to each individual was used: the self-face. In Experiment 1, the self-face produced a temporary distraction when presented at fixation during a digit-parity task. However, this distraction was not different from that triggered by another highly familiar face. In Experiment 2, the self-face failed to produce interference when presented outside the focus of attention. These results confirm recent findings showing that auto-referential materials do not automatically summon attention and have a distractive power only in specific conditions. 相似文献