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Johnson-Ulrich Lily Yirga Gidey Strong Robyn L. Holekamp Kay E. 《Animal cognition》2021,24(5):1027-1038
Animal Cognition - Urbanization represents a dramatic form of evolutionary novelty in the landscapes inhabited by many extant animals. The Cognitive Buffer Hypothesis suggests that innovation, the... 相似文献
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Anna Stefaniak Robyn K. Mallett Michael J. A. Wohl 《European journal of social psychology》2020,50(6):1259-1275
Three studies (N1 = 1,019; N2 = 312; N3 = 494) tested whether seeing intergroup relations as inherently antagonistic shaped advantaged social groups’ allyship intentions. More specifically, we tested whether endorsing zero-sum beliefs related to their willingness to support system-challenging and system-supporting collective action. Zero-sum beliefs were negatively correlated with system-challenging and positively correlated with system-supporting collective action intentions. Zero-sum beliefs were more common among advantaged than disadvantaged groups and translated into lower allyship intentions. Advantaged group members with higher levels of zero-sum beliefs were also more likely to experience anger and fear when considering the demographic racial shift in the United States. Increased fear was associated with greater support for system-supporting and lower support for system-challenging collective action. We find consistent evidence that advantaged group members see intergroup relations as a zero-sum game and that these beliefs are negatively related to their intentions to become allies. 相似文献
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This article examines the effects of firm motivation (an intrinsic or extrinsic interest in their product) on perceptions of brand authenticity and anticipated product quality. Specifically, studies 1 and 2 show that an intrinsic motivation increases authenticity perceptions which, in turn, increase perceived product quality, even for negatively regarded products. Studies 3a and 3b demonstrate that motivation affects perceived product quality (through perceived authenticity) by influencing deliberate attribute‐level inferences consumers make about the product, and Study 4 demonstrates that the positive effect of intrinsic motivation (through authenticity) disappears in the presence of objective product attribute information, when such inferences are no longer necessary. These findings suggest that authenticity perceptions are malleable, and they shed light on the mechanism through which brand authenticity leads consumers to anticipate that a brand's products will be higher in quality. 相似文献
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Pursuit eye movements give rise to retinal motion. To judge stimulus motion relative to the head, the visual system must correct for the eye movement by using an extraretinal, eye-velocity signal. Such correction is important in a variety of motion estimation tasks including judgments of object motion relative to the head and judgments of self-motion direction from optic flow. The Filehne illusion (where a stationary object appears to move opposite to the pursuit) results from a mismatch between retinal and extraretinal speed estimates. A mismatch in timing could also exist. Speed and timing errors were investigated using sinusoidal pursuit eye movements. We describe a new illusion--the slalom illusion--in which the perceived direction of self-motion oscillates left and right when the eyes move sinusoidally. A linear model is presented that determines the gain ratio and phase difference of extraretinal and retinal signals accompanying the Filehne and slalom illusions. The speed mismatch and timing differences were measured in the Filehne and self-motion situations using a motion-nulling procedure. Timing errors were very small for the Filehne and slalom illusions. However, the ratios of extraretinal to retinal gain were consistently less than 1, so both illusions are the consequence of a mismatch between estimates of retinal and extraretinal speed. The relevance of the results for recovering the direction of self-motion during pursuit eye movements is discussed. 相似文献
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Children who experienced a highly stressful natural disaster, Hurricane Andrew, were interviewed within a few months of the event, when they were 3-4 years old, and again 6 years later, when they were 9-10 years old. Children were grouped into low, moderate, or high stress groups depending on the severity of the experienced storm. All children were able to recall this event in vivid detail 6 years later. In fact, children reported over twice as many propositions at the second interview as at the first. At the initial interview, children in the high stress group reported less information than children in the moderate stress group, but 6 years later, children in all three stress groups reported similar amounts of information. However children in the high stress group needed more questions and prompts than children in the other stress groups. Yet children in the high stress group also reported more consistent information between the two interviews, especially about the storm, than children in the other stress groups. Implications for children's developing memory of stressful events are discussed. 相似文献
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We investigated dorsal visual stream involvement in the retrieval of a variety of visual attributes of common objects, using
functional magnetic resonance imaging. Seven subjects made binary decisions about the shape, color, and size of named objects
during scanning. Bilateral parietal activity was significantly greater during retrieval of shape and size information than
during retrieval of color information. Consistent with a domain-specific distributed model of semantic organization, the finding
that dorsal stream activity is associated with size and shape retrieval, as compared with color retrieval, may indicate that
both size and shape information are learned partly through dorsally mediated processes, such as visually guided grasping.
These results demonstrate that both visual-processing streams (i.e., the ventral “what” pathway and the dorsal “where” pathway)
are involved in the storage and/or retrieval of knowledge of object appearance but that, just as in vision, these two pathways
may play different roles in conceptual processing. 相似文献