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The present study investigates the influence of preparation on inhibitory effects in cued task switching. In three experiments, we assessed n − 2 repetition costs as marker of inhibition of the just executed and now irrelevant task by comparing performance in task sequences such as ABA (i.e., n − 2 repetitions, with A, B and C standing for different tasks) to task sequences such as CBA (i.e., n − 2 switches). Specifically, we varied the cue–target interval (CTI) to examine cue-based preparation effects. In addition, we manipulated cue type (i.e., abstract, verbal, and direct cues) across the three experiments. We obtained significant reductions of n − 2 repetition costs with prolonged CTI when using abstract cues (i.e., coloured frames) and task names (i.e., digit), but not when using the task-specific stimulus–response mapping as cue for the upcoming task. These data suggest that cue-based preparation is not a uniform process but depends on the information provided by the cue. 相似文献
164.
Miriam Schoenfield 《No?s (Detroit, Mich.)》2014,48(2):193-218
In this paper, I begin by defending permissivism: the claim that, sometimes, there is more than one way to rationally respond to a given body of evidence. Then I argue that, if we accept permissivism, certain worries that arise as a result of learning that our beliefs were caused by the communities we grew up in, the schools we went to, or other irrelevant influences dissipate. The basic strategy is as follows: First, I try to pinpoint what makes irrelevant influences worrying and I come up with two candidate principles. I then argue that one principle should be rejected because it is inconsistent with permissivism. The principle we should accept implies that it is sometimes rational to maintain our beliefs, even upon learning that they were caused by irrelevant influences. 相似文献
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Miriam Rosenberg‐Lee Sarit Ashkenazi Tianwen Chen Christina B. Young David C. Geary Vinod Menon 《Developmental science》2015,18(3):351-372
Developmental dyscalculia (DD) is marked by specific deficits in processing numerical and mathematical information despite normal intelligence (IQ) and reading ability. We examined how brain circuits used by young children with DD to solve simple addition and subtraction problems differ from those used by typically developing (TD) children who were matched on age, IQ, reading ability, and working memory. Children with DD were slower and less accurate during problem solving than TD children, and were especially impaired on their ability to solve subtraction problems. Children with DD showed significantly greater activity in multiple parietal, occipito‐temporal and prefrontal cortex regions while solving addition and subtraction problems. Despite poorer performance during subtraction, children with DD showed greater activity in multiple intra‐parietal sulcus (IPS) and superior parietal lobule subdivisions in the dorsal posterior parietal cortex as well as fusiform gyrus in the ventral occipito‐temporal cortex. Critically, effective connectivity analyses revealed hyper‐connectivity, rather than reduced connectivity, between the IPS and multiple brain systems including the lateral fronto‐parietal and default mode networks in children with DD during both addition and subtraction. These findings suggest the IPS and its functional circuits are a major locus of dysfunction during both addition and subtraction problem solving in DD, and that inappropriate task modulation and hyper‐connectivity, rather than under‐engagement and under‐connectivity, are the neural mechanisms underlying problem solving difficulties in children with DD. We discuss our findings in the broader context of multiple levels of analysis and performance issues inherent in neuroimaging studies of typical and atypical development. 相似文献
168.
Iring Koch Miriam Gade Stefanie Schuch Andrea M. Philipp 《Psychonomic bulletin & review》2010,17(1):1-14
The concept of inhibition plays a major role in cognitive psychology. In the present article, we review the evidence for the
inhibition of task sets. In the first part, we critically discuss empirical findings of task inhibition from studies that
applied variants of the task-switching methodology and argue that most of these findings— such as switch cost asymmetries—are
ambiguous. In the second part, we focus on n-22 task-repetition costs, which currently constitute the most convincing evidence for inhibition of task sets. n-22 repetition costs refer to the performance impairment in sequences of the ABA type relative to CBA, which can be interpreted
in terms of persisting inhibition of previously abandoned tasks. The available evidence suggests that inhibition is primarily
triggered by conflict at selection of stimulus attributes and at the response level. Author Note 相似文献
169.
Miriam Ronzoni 《Journal of applied philosophy》2018,35(1):90-111
Until fairly recently, positions within the global justice debate have been quite polarised along the statism/cosmopolitanism dichotomy. Recently, the dichotomy has been challenged (although somewhat unsystematically), but the idea that the proximity of a view to cosmopolitanism also tracks its critical potential in political terms has not. This article rejects this premise. In order to do so, it also provides a novel, more systematic challenge to the statism/cosmopolitanism dichotomy. The main suggestion is that we should consider two aspects simultaneously, and identify positions within the debate on the basis of how they relate to both of these. First of all, participants in the debate can make three different kinds of claims, which I shall call moral, political, and institutional. Secondly, views position themselves within a spectrum in each of the three dimensions, rather than deciding between cosmopolitanism and statism – and at different at different points of the spectrum with regard to their moral, political, and institutional commitments respectively. This account gives us a better grasp of what taking a stand in the global justice entails. Crucially, it enables us to understand that the transformative and critical potential of a specific view depends on a variety of factors, and not only on its stand at the moral level. One can be fairly critical of the status quo without endorsing a cosmopolitan, or even nearly cosmopolitan, moral outlook. In short, the moral story is not the whole story. 相似文献
170.
Shana Levin Nour Kteily Felicia Pratto Jim Sidanius Miriam Matthews 《Motivation and emotion》2016,40(1):162-177
Using a random sample of 243 Muslims in Lebanon and Syria, we examined whether support for Hezbollah or for Al Qaeda is predicted by functionally-relevant emotional responses to specific threats perceived to be posed by Americans. In line with the sociofunctional approach, perceived resource domination threat from Americans elicited anger, and perceived value contamination threat elicited disgust/contempt toward Americans. Importantly, these intergroup emotions in turn differentially predicted support for Hezbollah and Al Qaeda through desires for the organizations to accomplish different goals to address the threat perceptions. Specifically, anger toward Americans predicted support for Hezbollah through desires for the organization to restore threatened symbolic resources by bringing pride and respect to Arabs. In contrast, disgust/contempt toward Americans predicted support for Al Qaeda through desires for the organization to protect threatened ingroup values by de-contaminating Islam from Western cultural influence. Theoretical explanations and implications for addressing and mitigating hostilities between the groups are discussed. 相似文献