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Frankland PW Ding HK Takahashi E Suzuki A Kida S Silva AJ 《Learning & memory (Cold Spring Harbor, N.Y.)》2006,13(4):451-457
Following initial encoding, memories undergo a prolonged period of reorganization. While such reorganization may occur in many different memory systems, its purpose is not clear. Previously, we have shown that recall of recent contextual fear memories engages the dorsal hippocampus (dHPC). In contrast, recall of remote contextual fear memories engages a number of different cortical regions, including the anterior cingulate cortex (ACC). To examine whether this reorganization leads to greater memory stability, we examined reconsolidation of 1 d-old (recent) and 36 d-old (remote) contextual fear memory in mice. We infused the protein synthesis inhibitor, anisomycin (ANI), into either the dHPC or ACC immediately following retrieval of either a recent or remote contextual fear memory. In the dHPC, ANI infusions disrupted subsequent expression of recent, but not remote, contextual fear memory. Similar infusions into the ACC had no effect on either recent or remote contextual fear memories, whereas systemically applied ANI blocked subsequent remote memory expression when long re-exposure durations were used. Together, these data suggest that as memories mature they become increasingly stable. Furthermore, the dissociation between the effects of systemically and centrally administered ANI on remote memory suggests that stability is due, in part, to the distributed nature of remote contextual fear memories. 相似文献
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The present study investigated the influence of interpersonal conflict management styles on language expressions and the differences in expressions in same-sex relational categories based on specific in-group-out-group classifications. Questionnaires were administered to 367 university students in Japan. After reading a scenario, participants reported on actual language use and gave ratings on an interpersonal conflict management scale. The results revealed that Japanese change their expressions, along with psychological styles, depending on the relational target. They also indicated psychological constructs were related to their equivalent expressions. The results suggested that future research should take into consideration the potential differences in behavior and interaction posture inherent in various relational and situational categories. 相似文献
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Satoshi F. Nakashima Stephen R. H. Langton Sakiko Yoshikawa 《Cognition & emotion》2013,27(7):1316-1325
We report data from an experiment that investigated the influence of gaze direction and facial expression on face memory. Participants were shown a set of unfamiliar faces with either happy or angry facial expressions, which were either gazing straight ahead or had their gaze averted to one side. Memory for faces that were initially shown with angry expressions was found to be poorer when these faces had averted as opposed to direct gaze, whereas memory for individuals shown with happy faces was unaffected by gaze direction. We suggest that memory for another individual's face partly depends on an evaluation of the behavioural intention of that individual. 相似文献
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Country roads,take me home… to my friends: How intelligence,population density,and friendship affect modern happiness
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Norman P. Li Satoshi Kanazawa 《British journal of psychology (London, England : 1953)》2016,107(4):675-697
We propose the savanna theory of happiness, which suggests that it is not only the current consequences of a given situation but also its ancestral consequences that affect individuals’ life satisfaction and explains why such influences of ancestral consequences might interact with intelligence. We choose two varied factors that characterize basic differences between ancestral and modern life – population density and frequency of socialization with friends – as empirical test cases. As predicted by the theory, population density is negatively, and frequency of socialization with friends is positively, associated with life satisfaction. More importantly, the main associations of life satisfaction with population density and socialization with friends significantly interact with intelligence, and, in the latter case, the main association is reversed among the extremely intelligent. More intelligent individuals experience lower life satisfaction with more frequent socialization with friends. This study highlights the utility of incorporating evolutionary perspectives in the study of subjective well‐being. 相似文献
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Recent years have shown increased awareness of the importance of personality tests in educational, clinical, and occupational settings, and developing faking-resistant personality tests is a very pragmatic issue for achieving more precise measurement. Inspired by Stark (2002) and Stark, Chernyshenko, and Drasgow (2005), we develop a pairwise preference-based personality test that aims to measure multidimensional personality traits using a large-scale statement bank. An experiment compares the resistance of the developed personality test to faking with that of rating scale-based personality tests in the item response theory model framework. Results show that latent traits estimated from the personality test based on the rating scale method are severely biased, and that faking effect can be pragmatically ignored in the personality test developed based on the pairwise preference method. 相似文献
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Satoshi Hirata Koki Fuwa Keiko Sugama Kiyo Kusunoki Shin Fujita 《Animal cognition》2010,13(5):679-688
This paper reports on the use of an eye-tracking technique to examine how chimpanzees look at facial photographs of conspecifics.
Six chimpanzees viewed a sequence of pictures presented on a monitor while their eye movements were measured by an eye tracker.
The pictures presented conspecific faces with open or closed eyes in an upright or inverted orientation in a frame. The results
demonstrated that chimpanzees looked at the eyes, nose, and mouth more frequently than would be expected on the basis of random
scanning of faces. More specifically, they looked at the eyes longer than they looked at the nose and mouth when photographs
of upright faces with open eyes were presented, suggesting that particular attention to the eyes represents a spontaneous
face-scanning strategy shared among monkeys, apes, and humans. In contrast to the results obtained for upright faces with
open eyes, the viewing times for the eyes, nose, and mouth of inverted faces with open eyes did not differ from one another.
The viewing times for the eyes, nose, and mouth of faces with closed eyes did not differ when faces with closed eyes were
presented in either an upright or inverted orientation. These results suggest the possibility that open eyes play an important
role in the configural processing of faces and that chimpanzees perceive and process open and closed eyes differently. 相似文献
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