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141.
142.
Kelly AJ Dux PE 《Journal of experimental psychology. Human perception and performance》2011,37(6):1867-1873
To study the temporal dynamics and capacity-limits of attentional selection and encoding, researchers often employ the attentional blink (AB) phenomenon: subjects' impaired ability to report the second of two targets in a rapid serial visual presentation (RSVP) stream that appear within 200-500 ms of one another. The AB has now been the subject of hundreds of scientific investigations, and a variety of different dual-target RSVP paradigms have been employed to study this failure of consciousness. The three most common are those where targets are defined categorically from distractors; those where target definition is based on featural information; and those where there is a set switch between T1 and T2, with the first target typically being featurally defined and T2 requiring a detection or discrimination judgment (probe task). An almost universally held assumption across all AB theories is that these three tasks measure the same deficit; however here, using an individual differences approach, we demonstrate that AB magnitude is only related across categorical and featural tasks. Thus, these paradigms appear to reflect a distinct cognitive limitation from that observed under set-switch conditions. 相似文献
143.
The ascendancy of functional neuroimaging has facilitated the addition of network-based approaches to the neuropsychologist’s toolbox for evaluating the sequelae of brain insult. In particular, intrinsic functional connectivity (iFC) mapping of resting state fMRI (R-fMRI) data constitutes an ideal approach to measuring macro-scale networks in the human brain. Beyond the value of iFC mapping for charting how the functional topography of the brain is altered by insult and injury, iFC analyses can provide insights into experience-dependent plasticity at the macro level of large-scale functional networks. Such insights are foundational to the design of training and remediation interventions that will best facilitate recovery of function. In this review, we consider what is currently known about the origin and function of iFC in the brain, and how this knowledge is informative in neuropsychological settings. We then summarize studies that have examined experience-driven plasticity of iFC in healthy control participants, and frame these findings in terms of a schema that may aid in the interpretation of results and the generation of hypotheses for rehabilitative studies. Finally, we outline some caveats to the R-fMRI approach, as well as some current developments that are likely to bolster the utility of the iFC paradigm for neuropsychology. 相似文献
144.
Patty A. Kelly 《The Journal of medical humanities》2014,35(2):171-189
In February 2010, the American Psychiatric Association (APA) launched their DSM-5 website with details about the development of the fifth edition of the Diagnostic and Statistical Manual of Mental Disorders (DSM-5). The APA invited “the general public” to review the draft diagnostic criteria and provide written comments and suggestions. This revision marks the first time the APA has solicited public review of their diagnostic manual. This article analyzes reported speech on the DSM-5 draft diagnostic criteria for the classification Posttraumatic Stress Disorder. It demonstrates how textual standardization facilitates the cultural portability of the DSM-5 diagnostic criteria such that a community of speakers beyond the borders of the APA come to be seen as exemplary speakers, writers, and revisers of the professional style. Furthermore, analysis shows how co-authoring practices recontextualize the “voice” and persona of putative patient reported speech on Criterion D2. As a consequence of textual standardization, spoken discourse becomes recontextualized as the product of scientific inquiry and the organization of psychiatric knowledge. 相似文献
145.
Gregory Kellogg Leah Slattery Louanne Hudgins Kelly Ormond 《Journal of genetic counseling》2014,23(5):805-813
Noninvasive prenatal testing (NIPT) allows for highly sensitive detection of Down syndrome early in pregnancy with no risk of miscarriage, therefore potentially increasing the number of pregnancies identified with Down syndrome. This study assesses how mothers of children with Down syndrome perceive NIPT, especially the impact they think it will have on their families and other families with children who have Down syndrome. Seventy-three self-reported mothers of children with Down syndrome responded to an anonymous online survey emailed to, and posted on, message boards of various Down syndrome support groups and networks. Data analysis included chi-square tests and thematic analysis. Fifty-nine percent of respondents indicated they would use NIPT in the future; respondents who had not used prenatal testing in the past were significantly less likely to report interest in using NIPT in the future than those who had prenatal testing previously (p?.001). Many respondents felt NIPT could lead to increased terminations (88 %), increased social stigma (57 %), and decreased availability of services for individuals with Down syndrome (64 %). However, only 16 % believed availability of new noninvasive tests would be the most important factor in determining the number of pregnancies with Down syndrome terminated in the future. Additionally, 48 % believed health care providers give biased or incorrect information about Down syndrome at the time of diagnosis, and 24 % felt this incorrect information leads to terminations of pregnancies affected with Down syndrome. Results suggest although mothers of children with Down syndrome believe new noninvasive testing will lead to an increase in termination of pregnancies with Down syndrome, they do not think it is the MOST important factor. They also highlight the need to provide a diagnosis of Down syndrome in a balanced and objective manner. 相似文献
146.
Christina Adamou Marios N. Avraamides Jonathan W. Kelly 《Psychonomic bulletin & review》2014,21(3):659-665
Two experiments investigated whether separate sets of objects viewed in the same environment but from different views were encoded as a single integrated representation or maintained as distinct representations. Participants viewed two circular layouts of objects that were placed around them in a round (Experiment 1) or a square (Experiment 2) room and were later tested on perspective-taking trials requiring retrieval of either one layout (within-layout trials) or both layouts (between-layout trials). Results from Experiment 1 indicated that participants did not integrate the two layouts into a single representation. Imagined perspective taking was more efficient on within- than on between-layout trials. Furthermore, performance for within-layout trials was best from the perspective that each layout was studied. Results from Experiment 2 indicated that the stable environmental reference frame provided by the square room caused many, but not all, participants to integrate all locations within a common representation. Participants who integrated performed equally well for within-layout and between-layout judgments and also represented both layouts using a common reference frame. Overall, these findings highlight the flexibility of organizing information in spatial memory. 相似文献
147.
Jeff Levin 《Journal of Happiness Studies》2014,15(3):593-611
This study investigates religious predictors of happiness in a population-based sample of Israeli Jewish adults (N = 991). Using data collected in 2009–2010 as a part of the International Social Survey Programme’s Religion III Survey, analyses were conducted on a fully recursive structural model of the effects of synagogue attendance and several religious mediators on a single-item measure of happiness. Bivariately, every religious measure (synagogue attendance, prayer frequency, certainty of God beliefs, a four-item Supernatural Beliefs Scale, and subjective religiosity) is positively and significantly associated with happiness. In the structural model, 11 of 15 hypothesized paths are significant. Of these, only subjective religiosity exhibits a significant direct effect on happiness (β = 0.15, p < .01). The other four religious indicators, however, all exert indirect effects on happiness through subjective religiosity and combinations of each other. Total effects on happiness of both synagogue attendance (β = 0.10, p < .01) and the Supernatural Beliefs Scale (β = 0.12, p < .05) are statistically significant. Analyses adjust for effects of age and other sociodemographic covariates. Results build on a growing body of population-based findings supporting a salutary impact of Jewish religious observance on subjective well-being in Israel and the diaspora. 相似文献
148.
The Psychological Record - Recent research has indicated that the results of the implicit relational assessment procedure (IRAP) may be affected by certain facets of the measure. The current... 相似文献
149.
Most gifts are occasion-based as opposed to nonoccasion-based. That is, most gifts are given in the presence of a special occasion, rather than in the absence of one. Across a series of scenario-based studies, the present research demonstrates that, despite occasion-based gifts being much more common, recipients anticipate that their happiness levels will be quite high when receiving nonoccasion-based gifts, varying little with gift quality. In contrast, they anticipate that their happiness levels will not always be high when receiving occasion-based gifts, varying greatly with gift quality. These diverging outcomes arise because the caliber of gift that is required to signal care and thus meet a recipient’s expectation is much lower for nonoccasion-based gifts than for occasion-based ones. Critically, givers misforecast recipients’ anticipated positive reactions to nonoccasion-based gifts, helping to explain why these gifts are, unfortunately, rather rare. 相似文献
150.
Sex Roles - The sex-role mediation hypothesis suggests that a masculine self-concept promotes male-typed cognition, including spatial skills. Support for the hypothesis is mixed, limited by small... 相似文献