The visual system summarizes average properties of ensembles of similar objects. We demonstrated an adaptation aftereffect of one such property, mean size, suggesting it is encoded along a single visual dimension (Corbett, et al., 2012), in a similar manner as basic stimulus properties like orientation and direction of motion. To further explore the fundamental nature of ensemble encoding, here we mapped the evolution of mean size adaptation over the course of visually guided grasping. Participants adapted to two sets of dots with different mean sizes. After adaptation, two test dots replaced the adapting sets. Participants first reached to one of these dots, and then judged whether it was larger or smaller than the opposite dot. Grip apertures were inversely dependent on the average dot size of the preceding adapting patch during the early phase of movements, and this aftereffect dissipated as reaches neared the target. Interestingly, perceptual judgements still showed a marked aftereffect, even though they were made after grasping was completed more-or-less veridically. This effect of mean size adaptation on early visually guided kinematics provides novel evidence that mean size is encoded fundamentally in both perception and action domains, and suggests that ensemble statistics not only influence our perceptions of individual objects but can also affect our physical interactions with the external environment. 相似文献
The term apatheia, ‘impassibility’, has had varied meanings in Christian history. While some theologians have dismissed this attribute due to its Greek origins – as Paul Gavrilyuk states, a classic case of committing the genetic fallacy – Robert Jenson has prudently noted that for some of the church Fathers impassibility did not mean God was affectionless as the Greeks proposed; rather, it meant eternal faithfulness. This essay examines whether Jenson's appropriation of the early church's understanding of apatheia is true to the Fathers' original intentions. I first identify Jenson's assumptions regarding his interpretation of Scripture that causes him to conclude that God is im/passible. I then assess the validity of Jenson's claim that his own view is the same as the early church Fathers. 相似文献
Producing successful athletes in Singapore is a high priority, and the financial rewards for those that make it are great. In light of such an extrinsically motivated structure, the purpose of the current study was to examine the impact of the talent development environment on the goal pursuits and life aspirations of young athletes. Intrinsic goal striving was predicted by a mastery approach and an environment that prioritized long-term development and fundamentals, and provided a good support network. On the contrary, a lack of quality preparation and understanding of athletes promoted extrinsic goal-striving, as did both performance-approach and performance-avoidance goals. 相似文献
This research examines the post‐purchase experience after choosing the most preferred brand versus a less preferred brand. When they experience positive product outcomes, those who chose their most preferred brand tend to give credit to the brand, whereas those who chose a less preferred brand attribute it to their smart choice. In contrast, with negative outcomes, those with the most preferred brand place the blame on themselves, whereas those with a less preferred brand blame the brand. Nevertheless, a silver lining emerges when brand attribution and satisfaction increase to the level of the most preferred brand after two consecutive positive experiences with a less preferred brand. Repeated positive experience could turn people's attention to more on good product quality of a less preferred brand than on cheaper price. 相似文献
In 2006, Adam J. Berinsky and Donald R. Kinder published findings in the Journal of Politics that demonstrated that framing news as a story influences how individuals cognitively organize concepts and information. The study presented here moves forward in this tradition. This research combines samples obtained in the springs of 2009 and 2010 while conducting online experiments. In these experiments, slightly over 2,000 respondents are asked to organize concepts presented in one of three culturally nuanced stories about climate change or where information is presented as a list. Hierarchical cluster analysis indicates that when respondents are exposed to culturally congruent stories, respondent organizational patterns are more likely to mirror the story. We discuss the implications of these findings. 相似文献
Journal of Rational-Emotive & Cognitive-Behavior Therapy - The positive psychology that increases mental health is referred to "health assets." Among those assets, self-compassion... 相似文献
Measurement of adolescent life satisfaction across cultures has not received much attention in previous empirical research. The present study evaluated measurement invariance of the Satisfaction with Life Scale (SWLS) among adolescents in 24 countries and regions (N = 22,710; age range = 13–19 years; 53% female). A single-factor model with residual covariance between a pair of items tapping past life satisfaction fitted well in 19 countries and regions and showed a partial metric invariance. In a subset of nine countries and regions, partial scalar invariance was supported. Partial metric invariance across all 24 countries and regions was achieved when custom model modifications in five countries and regions were included. Three SWLS items showed evidence of noninvariance across cultures. The measurement model was found to operate similarly across gender and age. Our findings suggest that caution is needed when using the SWLS for measuring life satisfaction among adolescents from different cultures.
Recent theoretical advances describing consciousness from information and integration have highlighted the unique role of the thalamocortical system in leading to integrated information and thus, consciousness. Here, we examined the differential distributions of specific and nonspecific thalamocortical functional connections using resting-state fMRI in a group of healthy subjects and vegetative-state patients. We found that both thalamic systems were widely distributed, but they exhibited different patterns. Nonspecific connections were preferentially associated with brain regions involved in higher-order cognitive processing, self-awareness and introspective mentalizing (e.g., the dorsal prefrontal and anterior cingulate cortices). In contrast, specific connections were prevalent in the ventral and posterior part of the prefrontal and precuneus, known involved in representing externally-directed attentions. Significant reductions of functional connectivity in both systems, especially the nonspecific system, were observed in VS. These data suggest that brain networks sustaining information and integration may be differentiated by the nature of their thalamic functional connectivity. 相似文献