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21.
Linguistically mediated visual search 总被引:1,自引:0,他引:1
During an individual's normal interaction with the environment and other humans, visual and linguistic signals often coincide and can be integrated very quickly. This has been clearly demonstrated in recent eyetracking studies showing that visual perception constrains on-line comprehension of spoken language. In a modified visual search task, we found the inverse, that real-time language comprehension can also constrain visual perception. In standard visual search tasks, the number of distractors in the display strongly affects search time for a target defined by a conjunction of features, but not for a target defined by a single feature. However, we found that when a conjunction target was identified by a spoken instruction presented concurrently with the visual display, the incremental processing of spoken language allowed the search process to proceed in a manner considerably less affected by the number of distractors. These results suggest that perceptual systems specialized for language and for vision interact more fluidly than previously thought. 相似文献
22.
Tyler S. Lorig David G. elmes David H. Zald Jose V. Pardo 《Behavior research methods》1999,31(2):370-375
A design for an inexpensive and reliable olfactometer is presented. The design has several advantages for fMRI and electrophysiology investigators. These advantages include relatively rapid odorant rise times, computer control, multiple odor administration, and no ferrous materials near the subjects. In addition, the device is contamination resistant, and, because the air is neither warmed nor humidified, it is unlikely to become an incubator for bacteria. The olfactometer is constructed of off-the-shelf chromatography parts that require little modification. 相似文献
23.
We proposed two distinct understandings of what justice means to victims and what its restoration entails that are reflected in individual‐level justice orientations. Individuals with a retributive orientation conceptualize justice as the unilateral imposition of just deserts against the offender. In contrast, individuals with a restorative orientation conceptualize justice as achieving a renewed consensus about the shared values violated by the offence. Three studies showed differential relations between these two justice orientations and various individual‐level values/ideologies and predicted unique variance in preferences for concrete justice‐restoring interventions, judicial processes and abstract justice restoration goals. The pattern of results lends validity to the understanding of justice as two distinct conceptualizations, a distinction that provides much needed explanation for divergent preferences for injustice responses. Copyright © 2011 John Wiley & Sons, Ltd. 相似文献
24.
Eight studies (N=2,973) tested the theory that gratitude is related to fewer depressive symptoms through positive reframing and positive emotion. Study 1 found a direct path between gratitude and depressive symptoms. Studies 2-5 demonstrated that positive reframing mediated the relationship between gratitude and depressive symptoms. Studies 6-7 showed that positive emotion mediated the relationship between gratitude and depressive symptoms. Study 8 found that positive reframing and positive emotion simultaneously mediated the relationship between gratitude and depressive symptoms. In sum, these eight studies demonstrate that gratitude is related to fewer depressive symptoms, with positive reframing and positive emotion serving as mechanisms that account for this relationship. 相似文献
25.
Deep brain stimulation (DBS), a surgical procedure involving the implantation of electrodes in the brain, has rekindled the medical community’s interest in psychosurgery. Whereas many researchers argue DBS is substantially different from psychosurgery, we argue psychiatric DBS—though a much more precise and refined treatment than its predecessors—is nevertheless a form of psychosurgery, which raises both old and new ethical and legal concerns that have not been given proper attention. Learning from the ethical and regulatory failures of older forms of psychosurgery can help shed light on how to address the regulatory gaps that exist currently in DBS research. To show why it is important to address the current regulatory gaps within psychiatric DBS, we draw on the motivations underlying the regulation of earlier forms of psychosurgery in the US. We begin by providing a brief history of psychosurgery and electrical brain stimulation in the US. Against this backdrop, we introduce psychiatric DBS, exploring current research and ongoing clinical trials. We then draw out the ethical and regulatory similarities between earlier forms of psychosurgery and psychiatric DBS. As we will show, the factors that motivated strict regulation of earlier psychosurgical procedures mirror concerns with psychiatric DBS today. We offer three recommendations for psychiatric DBS regulation, which echo earlier motivations for regulating psychosurgery, along with new considerations that reflect the novel technologies used in DBS. 相似文献
26.
When students are faced with the decision of whether to assist a peer, they should be sensitive to the potential risks associated with doing so. Two factors associated with risky helping behaviour in the classroom are: (1) the grading practices that are used, and (2) knowledge of a peer’s relative status. Normative (“curved”) grading creates a situation in which peer-interactions are potentially competitive, but it is only those interactions with peers of a similar status that carry the potential for assistance to be costly to oneself. In two studies, we created hypothetical scenarios in which the grading practices (normative or absolute) and peer-status proximity (proximate, distant, or unknown) were manipulated, and asked participants to report their willingness to cooperate with a peer by sharing their notes from an important lecture. We found that when normative grading was used, individuals were less willing to assist a peer when they knew that the peer’s status was proximate to their own. There was also less cooperation when peer status was unknown, under normative grading, which is consistent with a risk-aversion tendency. 相似文献
27.
Reflecting on Participatory,Action‐Oriented Research Methods in Community Psychology: Progress,Problems, and Paths Forward 下载免费PDF全文
Sean Kidd Larry Davidson Tyler Frederick Michael J. Kral 《American journal of community psychology》2018,61(1-2):76-87
This paper provides a critical reflection on participatory action research (PAR) methods as they pertain to community psychology. Following a brief review of the fundamental aspects of PAR, key developments in the field are examined. These developments include the redefinition of the research enterprise among groups such as Indigenous and consumer/survivor communities, challenges that attend the “project” framing of PAR, academic and practice context challenges, and important domains in which PAR methods need to become more engaged (e.g., social media and disenfranchised youth). Three illustrative case studies of programs of work in the areas of youth homelessness, consumer/survivor engagement, and Indigenous research are provided to illustrate these contemporary challenges and opportunities in the field. The authors make the argument that without an effort to reconsider and redefine PAR, moving away from the stereotypical PAR “project” frame, these methods will continue to be poorly represented and underutilized in community psychology. 相似文献
28.
This article begins by reviewing the proficiency of personality assessment in the context of the competencies movement, which has dominated health service psychology in recent years. It examines the value of including a capability framework for advancing this proficiency and enhancing the quality of personality assessments, including Therapeutic Assessment (Finn &; Tonsager, 1997), that include a personality assessment component. This hybrid competency–capability framework is used to set the stage for the conduct of personality assessments in a variety of contexts and for the optimal training of personality assessment. Future directions are offered in terms of ways psychologists can strengthen their social contract with the public and offer a broader array of personality assessments in more diverse contexts and by individuals who are both competent and capable. 相似文献
29.
We reasoned that high self‐monitors' responses may be influenced by the characteristic traits and behaviors associated with social roles. Results across four studies confirmed expectations. The findings from Experiments 1, 2, and 3 demonstrated that exposure to a particular role (e.g., nurse) led high self‐monitors to respond in a manner consistent with the relevant role. Results from Experiment 4 showed that the effect found in the first three experiments was attenuated when the behavioral guidance of the particular role was reduced. Low self‐monitors' responses were not influenced by exposure to the role. Showing that high self‐monitors use information embedded in a social role to tailor their behavior provides a novel finding that has heretofore been absent from the literature. 相似文献
30.