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81.
Markett S Montag C Walter NT Plieger T Reuter M 《Cognitive, affective & behavioral neuroscience》2011,11(4):644-651
The adjustment of behavior to changing goals and environmental constraints requires the flexible switching between different
task sets. Cognitive flexibility is an endophenotype of executive functioning and is highly heritable, as indicated by twin
studies. Individual differences in global flexibility as assessed by reaction-time measurement in a task-switching paradigm
were recently related to a single nucleotide polymorphism in the vicinity of the dopamine d2 receptor gene DRD2. In the present
study, we assessed whether the DRD2 gene is related to backward inhibition, a control mechanism that contributes to cognitive
flexibility by reducing proactive interference by no longer relevant task sets. We found that carriers of the DRD2 A1+ variant
who have a lower striatal dopamine d2 receptor density than A1– carriers show a larger backward inhibition effect. This is
in line with previous results demonstrating increased behavioral flexibility in carriers of this genetic variant. The discussion
relates the present finding to those of previous studies assessing the neurogenetic foundations of inhibitory control. 相似文献
82.
The objective of this research was to provide additional experimental validation of the multinomial processing tree (MPT) model of event-based prospective memory (Smith & Bayen, 2004). In particular, the parameters that measure trial-type detection in the ongoing task were examined. In three experiments with different response instructions, event-based prospective memory tasks were embedded in ongoing color-matching tasks. The results support the validity of the MPT model, that is, manipulations of ongoing-task difficulty affected the ongoing-task parameters of the MPT model, while leaving the estimates for the prospective and the retrospective components of prospective memory unaffected. 相似文献
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Sebastian Gardner 《Continental Philosophy Review》2017,50(1):5-25
In this paper I offer a selective, systematic rather than historical account of Merleau-Ponty’s highly complex relation to classical German philosophy, focussing on issues which bear on the question of his relation to transcendentalism and naturalism. I argue that the concerns which define his project in Phenomenology of Perception are fundamentally those of transcendental philosophy, and that Merleau-Ponty’s disagreements with Kant, and the position he arrives at in The Visible and the Invisible, are helpfully viewed in light of (1) issues which Merleau-Ponty identifies as raised by Kant’s Critique of the Power of Judgement, and (2) Schelling’s conversion of Kantian idealism into a Real-Idealismus. Finally I address the question of whether, and on what basis, Merleau-Ponty’s claim to have surpassed systematic philosophy can be defended. 相似文献
86.
Piera Filippi Sebastian Ocklenburg Daniel L. Bowling Larissa Heege Onur Güntürkün Albert Newen 《Cognition & emotion》2017,31(5):879-891
Humans typically combine linguistic and nonlinguistic information to comprehend emotions. We adopted an emotion identification Stroop task to investigate how different channels interact in emotion communication. In experiment 1, synonyms of “happy” and “sad” were spoken with happy and sad prosody. Participants had more difficulty ignoring prosody than ignoring verbal content. In experiment 2, synonyms of “happy” and “sad” were spoken with happy and sad prosody, while happy or sad faces were displayed. Accuracy was lower when two channels expressed an emotion that was incongruent with the channel participants had to focus on, compared with the cross-channel congruence condition. When participants were required to focus on verbal content, accuracy was significantly lower also when prosody was incongruent with verbal content and face. This suggests that prosody biases emotional verbal content processing, even when conflicting with verbal content and face simultaneously. Implications for multimodal communication and language evolution studies are discussed. 相似文献
87.
Rebekah E. Smith Sebastian S. Horn Ute J. Bayen 《Neuropsychology, development, and cognition. Section B, Aging, neuropsychology and cognition》2013,20(4):495-514
ABSTRACT Prospective memory involves remembering to perform intended actions in the future. Previous work with the multinomial model of event-based prospective memory indicated that adult age-related differences in prospective-memory performance were due to the prospective (not the retrospective) component of the task (Smith & Bayen, 2006, Journal of Experimental Psychology: Learning, Memory, and Cognition, 32, 623). However, ongoing-task performance was also lower in older adults in that study. In the current study with young and older adults, the difficulty of the ongoing task was manipulated by varying the number of colors per trial to create easier and harder versions of the ongoing task for each age group. The easier version included 2 colors per trial for older adults and 4 colors for young adults. The harder version included 4 colors for older adults and 6 colors for young adults. By adjusting the ongoing-task difficulty, older adults were able to perform the ongoing task as well or better than the young adults. Analyses with the multinomial model revealed that making the ongoing task easier for older adults (or more difficult for young adults) did not eliminate age-related differences in prospective-memory performance and the underlying prospective component. 相似文献
88.
To help or not to help an outgroup member: The role of the target's individual attributes in resolving potential helpers' motivational conflict 下载免费PDF全文
Birte Siem Katharina Lotz‐Schmitt Stefan Stürmer 《European journal of social psychology》2014,44(4):297-312
When people are faced with the decision of whether or not to help an outgroup member, they often experience conflicting motivational tendencies due to the concurrent presence of factors prompting help and factors prompting non‐help. We argue that one way of how people deal with this conflict is by taking a closer look at the target's individual attributes, especially at those indicating the target's benevolence. Findings of Experiment 1 (N = 96), in which we manipulated intercultural dissimilarity between participants and a (fictitious) recipient of help and normative pressure to help as two factors affecting motivational conflict, support this basic assumption. Specifically, response latencies analyses confirmed that participants assigned a culturally highly dissimilar target spent more time on inspecting target‐related information when normative pressure, and thus motivational conflict, was high than when it was low. Experiment 2 (N = 141) extended these findings by demonstrating that providing potential helpers with explicit information about an outgroup member's benevolence increased helping intentions through reducing their negative interaction expectancies (and thus motivational conflict). As expected, this mediational relationship could only be observed for participants assigned a culturally highly dissimilar target. Experiment 3 (N = 46) replicated these mediation findings in a within‐subjects design. Copyright © 2014 John Wiley & Sons, Ltd. 相似文献
89.
In this article we report an experiment that investigated differences in classification performance of women and men in artificial grammar learning (AGL). Women's and men's responses correspond to a large extent. Consistent differences, however, were found in a variable that codes overlaps between training and test items in terms of string fragments. The results are best explained by the assumption that women and men apply different cognitive strategies at test. 相似文献
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