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181.
Kara J. Blacker Steven M. Weisberg Nora S. Newcombe Susan M. Courtney 《Visual cognition》2017,25(7-8):691-702
Spatial working memory (WM) seems to include two types of spatial information: locations and relations. However, this distinction has been based on small-scale tasks. Here, we used a virtual navigation paradigm to examine whether WM for locations and relations applies to the large-scale spatial world. We found that navigators who successfully learned two routes and also integrated them were superior at maintaining multiple locations and multiple relations in WM. However, over the entire spectrum of navigators, WM for spatial relations, but not locations, was specifically predictive of route integration performance. These results lend further support to the distinction between these two forms of spatial WM and point to their critical role in individual differences in navigation proficiency. 相似文献
182.
Mallory C. Stites Brennan R. Payne Kara D. Federmeier 《Cognitive, affective & behavioral neuroscience》2017,17(3):475-490
An important question in the reading literature regards the nature of the semantic information readers can extract from the parafovea (i.e., the next word in a sentence). Recent eye-tracking findings have found a semantic parafoveal preview benefit under many circumstances, and findings from event-related brain potentials (ERPs) also suggest that readers can at least detect semantic anomalies parafoveally (Barber, Van der Meij, & Kutas, Psychophysiology, 50(1), 48–59, 2013). We use ERPs to ask whether fine-grained aspects of semantic expectancy can affect the N400 elicited by a word appearing in the parafovea. In an RSVP-with-flankers paradigm, sentences were presented word by word, flanked 2° bilaterally by the previous and upcoming words. Stimuli consisted of high constraint sentences that were identical up to the target word, which could be expected, unexpected but plausible, or anomalous, as well as low constraint sentences that were always completed with the most expected ending. Findings revealed an N400 effect to the target word when it appeared in the parafovea, which was graded with respect to the target’s expectancy and congruency within the sentence context. Furthermore, when targets appeared at central fixation, this graded congruency effect was mitigated, suggesting that the semantic information gleaned from parafoveal vision functionally changes the semantic processing of those words when foveated. 相似文献
183.
The frontal cortex and basal ganglia play central roles in working memory and in the ability to time brief intervals. We outline recent theoretical and empirical work to suggest that working memory and interval timing rely not only on the same anatomic structures, but also on the same neural representation of a specific stimulus. Specifically, cortical neurons may fire in an oscillatory fashion to form representations of stimuli, and the striatum (a basal ganglia structure) may detect those patterns of cortical firing that occur co-incident to important events. Information about stimulus identity can be extracted from which cortical neurons are involved in the representation, and information about duration can be extracted from their relative phase. The principles derived from these biologically based models also fit well with a family of behaviourally based models that emphasise the importance of time in many working memory phenomena. 相似文献
184.
Hemispheric specialization has been studied extensively within subfields ranging from perception to language comprehension.
However, the study of asymmetries for basic memory functions—an area that holds promise for bridging these low- and high-level
cognitive domains—has been sporadic at best. We examined each hemisphere’s tendency to retain verbal information over time,
using a continuous recognition memory task with lateralized study items and central test probes. We found that the ubiquitous
advantage of the left hemisphere for the processing and retention of verbal information is attenuated and perhaps even reversed
over long retention intervals. This result is consistent with theories that propose differences in the degree to which the
hemispheres maintain veridical versus semantically transformed representations of the input they receive. 相似文献
185.
Right hemisphere sensitivity to word- and sentence-level context: evidence from event-related brain potentials 总被引:2,自引:0,他引:2
Coulson S Federmeier KD Van Petten C Kutas M 《Journal of experimental psychology. Learning, memory, and cognition》2005,31(1):129-147
Researchers using lateralized stimuli have suggested that the left hemisphere is sensitive to sentence-level context, whereas the right hemisphere (RH) primarily processes word-level meaning. The authors investigated this message-blind RH model by measuring associative priming with event-related brain potentials (ERPs). For word pairs in isolation, associated words elicited more positive ERPs than unassociated words with similar magnitudes and onset latencies in both visual fields. Embedded in sentences, these same pairs showed large sentential context effects in both fields. Small effects of association were observed, confined to incongruous sentences after right visual hemifield presentation but present for both congruous and incongruous sentences after left visual hemifield presentation. Results do not support the message-blind RH model but do suggest hemispheric asymmetries in the use of word and sentence context during real-time processing. 相似文献
186.
The purpose of this research was to determine the role of recollection rejection in the rejection of misinformation. In Experiment 1, we examined the use of recollection rejection to reject contradictory and additive misinformation. We measured recollection rejection by comparing misinformation acceptance rates, graphing confidence‐accuracy data using phantom receiver operating characteristic curves, examining high confidence rejections of misinformation, and examining self‐report responses. These measures converged on the finding that participants used recollection rejection to reject both types of misinformation but used recollection rejection more on contradictory misinformation. In Experiment 2, we manipulated the delay between the event and misinformation and between misinformation and test. The length of both of these delays affected misinformation acceptance. Participants were more likely to use recollection rejection to reject contradictory misinformation after a short delay before encountering misinformation. Overall these findings indicate that people can spontaneously induce recollection rejection to reject misinformation and prevent false memories. Copyright © 2016 John Wiley & Sons, Ltd. 相似文献
187.
188.
Gesture facilitates language production, but there is debate surrounding its exact role. It has been argued that gestures lighten the load on verbal working memory (VWM; Goldin-Meadow, Nusbaum, Kelly, & Wagner, 2001), but gestures have also been argued to aid in lexical retrieval (Krauss, 1998). In the current study, 50 speakers completed an individual differences battery that included measures of VWM and lexical retrieval. To elicit gesture, each speaker described short cartoon clips immediately after viewing. Measures of lexical retrieval did not predict spontaneous gesture rates, but lower VWM was associated with higher gesture rates, suggesting that gestures can facilitate language production by supporting VWM when resources are taxed. These data also suggest that individual variability in the propensity to gesture is partly linked to cognitive capacities. 相似文献
189.
Bouras Ahmed Fouad Bettahar Noureddine Toumi Hadjar Kazitani Nassim Kara Lamia Benmansour Mustapha 《Science and engineering ethics》2018,24(4):1377-1378
Science and Engineering Ethics - 相似文献
190.
Kara A. Hirano Dawn Rowe Lauren Lindstrom Paula Chan 《Journal of child and family studies》2018,27(11):3440-3456
Family involvement is particularly important to the postschool success of young adults with disabilities who typically experience fewer education and employment opportunities after leaving high school than their same age peers without disabilities. Despite mandates for family involvement, school-home partnerships remain elusive, particularly for low-income and culturally and linguistically diverse families. This metasynthesis of findings from 22 qualitative studies examines family perceptions of barriers to transition from school to adulthood and involvement in transition planning. This metasynthesis adds to the literature on family involvement in special education by utilizing Bourdeuian social reproduction theory and Bronfenbrenner's ecological systems theory to frame the discussion and inform recommendations for research and practice that focus on schools and adult service systems rather than deficiencies in families. 相似文献