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51.
When people anticipate that future temptations may undermine valued goals, they use a number of prospective self-control strategies (or “precommitment devices”) to increase the likelihood of future self-control success. Little is known, however, about the conditions under which people are more or less likely to use them. Drawing from construal level theory (e.g., Trope & Liberman, 2003), we argue that people are more likely to engage in prospective self-control when they construe events more abstractly (at higher-level construals). Results from two experiments demonstrated that higher-level construals promote use of two well-documented prospective strategies: choice bracketing and self-imposing punishment. Higher-level construals thus appear to enhance people's efforts to protect their valued goals from anticipated temptations. 相似文献
52.
Nakamura N Watanabe S Fujita K 《Journal of experimental psychology. Animal behavior processes》2008,34(3):375-387
A target circle surrounded by larger "inducer" circles looks smaller, and one surrounded by smaller circles looks larger than they really are. This is the Ebbinghaus-Titchener illusion, which remains one of the strongest and most robust of contrast illusions. Although there have been many studies on this illusion in humans, virtually none have addressed how nonhuman animals perceive the same figures. Here the authors show that the Ebbinghaus-Titchener figures also induce a strong illusion in pigeons but, surprisingly, in the other direction; that is, all five successfully trained pigeons judged the target circle surrounded by larger circles to be larger than it really is and vice versa. Further analyses proved that neither the gaps between target and inducer circles nor the cumulative weighted surface of these figural elements could account for the birds' responses. Pigeons are known to show similarities to humans on various cognitive and perceptual tasks including concept formation, short-term memory, and some visual illusions. Our results, taken together with pigeons' previously demonstrated failure at visual completion, provide strong evidence that pigeons may actually experience a visual world too different for us to imagine. 相似文献
53.
Planning, the internal process of formulating an organized method about one's future behavior, should be advantageous for non-human animals as well as for humans. However, little is known about this process in avian species. We examined planning processes in pigeons (Columba livia) using a computerized maze task. In Experiment 1, we found that the pigeons plan their next one step, and in some cases even correctly adjust their actions after change of goal locations, while performing on a plus-shaped maze. We also showed that the pigeons might even plan two steps on familiar, well-practiced mazes. In Experiment 2, we discovered that the subjects plan the direction they would go first before starting to solve a four-arm shuriken (a Japanese traditional throwing knife)-shaped maze. The birds also corrected their previously planned actions after change of goal locations. Our results from these experiments suggest that planning ahead is within the cognitive capacity of a "bird brain", and that it may be more widespread in the animal kingdom than has been presumed. 相似文献
54.
ABSTRACT— Many prominent models propose that self-control requires deliberative control of impulses. We propose that people's subjective mental construals of events can alter temptation impulses without requiring conscious deliberation. Research has indicated that high-level construals (subjective mental representations that capture the core, essential, and abstract features of events) lead to greater self-control than low-level construals (representations that capture secondary, incidental, and concrete features). We demonstrate that higher-level construals make it easier for people to associate temptations with negativity, as measured by the Implicit Association Test, and that, in turn, these construal-dependent changes in evaluative associations promote self-control. These findings indicate that subjective construals can influence self-control without conscious deliberation. 相似文献
55.
Many studies have used mirror-image stimulation in attempts to find self-recognition in monkeys. However, very few studies
have presented monkeys with video images of themselves; the present study is the first to do so with capuchin monkeys. Six
tufted capuchin monkeys were individually exposed to live face-on and side-on video images of themselves (experimental Phase
1). Both video screens initially elicited considerable interest. Two adult males looked preferentially at their face-on image,
whereas two adult females looked preferentially at their side-on image; the latter elicited lateral movements and head-cocking.
Only males showed communicative facial expressions, which were directed towards the face-on screen. In Phase 2 monkeys discriminated
between real-time, face-on images and identical images delayed by 1 s, with the adult females especially preferring real-time
images. In this phase both screens elicited facial expressions, shown by all monkeys. In Phase 3 there was no evidence of
discrimination between previously recorded video images of self and similar images of a familiar conspecific. Although they
showed no signs of explicit self-recognition, the monkeys’ behaviour strongly suggests recognition of the correspondence between
kinaesthetic information and external visual effects. In species such as humans and great apes, this type of self-awareness
feeds into a system that gives rise to explicit self-recognition. 相似文献
56.
The aggressive behavior of two selectively bred rat strains (high “H” and low “L” emotional reactivity) and their reciprocal F1 and F2 hybrids were measured during three consecutive days in home-cage intruder tests. In terms of biting, bite latency, on-top-of and aggressive grooming, L males were more aggressive than H and F1 males. There was no difference between H and F1, nor between HLF1 and LHF1 with the exception that LHF1 showed more on-top-of. About one fourth of F2 males were equal to or more aggressive than L in terms of bite latency and number of bites. These findings suggest that aggressiveness was inherited as a recessive, monogenic trait in these rats. 相似文献
57.
Hirano Y Fujita M Watanabe K Niwa M Takahashi T Kanematsu M Ido Y Tomida M Onozuka M 《Brain and cognition》2006,61(3):280-285
The functional link between the amygdala and hippocampus in humans has not been well documented. We examined the effect of unpleasant loud noise on hippocampal and amygdaloid activities during picture encoding by means of fMRI, and on the correct response in humans. The noise reduced activity in the hippocampus during picture encoding, decreased the correct response and increased the activity of the amygdala. A path diagram using structural equation modeling suggested that hippocampus activity might be depressed by high amygdala activity. Therefore, noise should diminish memory by reducing hippocampal activity, which might be depressed by high amygdala activity. 相似文献
58.
Construal levels and self-control 总被引:5,自引:0,他引:5
Fujita K Trope Y Liberman N Levin-Sagi M 《Journal of personality and social psychology》2006,90(3):351-367
The authors propose that self-control involves making decisions and behaving in a manner consistent with high-level versus low-level construals of a situation. Activation of high-level construals (which capture global, superordinate, primary features of an event) should lead to greater self-control than activation of low-level construals (which capture local, subordinate, secondary features). In 6 experiments using 3 different techniques, the authors manipulated construal levels and assessed their effects on self-control and underlying psychological processes. High-level construals led to decreased preferences for immediate over delayed outcomes, greater physical endurance, stronger intentions to exert self-control, and less positive evaluations of temptations that undermine self-control. These results support a construal-level analysis of self-control. 相似文献
59.
Henderson MD Fujita K Trope Y Liberman N 《Journal of personality and social psychology》2006,91(5):845-856
Construal level theory proposes that increasing the reported spatial distance of events produces judgments that reflect abstract, schematic representations of the events. Across 4 experiments, the authors examined the impact of spatial distance on construal-dependent social judgments. Participants structured behavior into fewer, broader units (Study 1) and increasingly attributed behavior to enduring dispositions rather than situational constraints (Study 2) when the behavior was spatially distant rather than near. Participants reported that typical events were more likely and atypical events less likely when events were more spatially distant (Study 3). They were also less likely to extrapolate from specific cases that deviated from general trends when making predictions about more spatially distant events (Study 4). Implications for social judgment are discussed. 相似文献
60.
Using data from 17 years of a large and nationally representative panel study from Germany, the authors examined whether there is a set point for life satisfaction (LS)--stability across time, even though it can be perturbed for short periods by life events. The authors found that 24% of respondents changed significantly in LS from the first 5 years to the last 5 years and that stability declined as the period between measurements increased. Average LS in the first 5 years correlated .51 with the 5-year average of LS during the last 5 years. Height, weight, body mass index, systolic and diastolic blood pressure, and personality traits were all more stable than LS, whereas income was about as stable as LS. Almost 9% of the sample changed an average of 3 or more points on a 10-point scale from the first 5 to last 5 years of the study. 相似文献