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191.
Verifying properties of concepts spontaneously requires sharing resources with same-modality percept
Nicolas Vermeulen Betty Chang Olivier Corneille Gordy Pleyers Martial Mermillod 《Cognitive processing》2013,14(1):81-87
In the present experiments, participants had to verify properties of concepts but, depending on the trial condition, concept-property pairs were presented via headphones or on the screen. The results showed that participants took longer and were less accurate at verifying conceptual properties when the channel used to present the CONCEPT-property pair and the type of property matched in sensory modality (e.g., LEMON-yellow on screen; BLENDER-loud in headphones) compared to when properties and channel did not match (e.g., LEMON-yellow in headphones; BLENDER-loud on screen). Such interference is consistent with theories of embodied cognition holding that knowledge is grounded in modality-specific systems (Barsalou in Behav Brain Sci 22:577–660, 1999). When the resources of one modality are burdened during the task, processing costs are incurred in a conceptual task (Vermeulen et al. in Cognition 109:287–294, 2008). 相似文献
192.
Stefano Panzeri Huw D. R. Golledge Fashan Zheng Martin J. Tovée Malcolm P. Young 《Visual cognition》2013,21(3-5):531-547
The functional role of correlations between neuronal spike trains remains strongly debated. This debate partly stems from the lack of a standardized analysis technique capable of accurately quantifying the role of correlations in stimulus encoding. We believe that information theoretic measures may represent an objective method for analysing the functional role of neuronal correlations. Here we show that information analysis of pairs of spike trains allows the information content present in the firing rate to be disambiguated from any extra information that may be present in the temporal relationships of the two spike trains. We validate and illustrate the method by applying it to simulated data with variable degrees of known synchrony, and by applying it to recordings from pairs of sites in the primary visual cortex of anaesthetized cats. We discuss the importance of information theoretic analysis in elucidating the neuronal mechanisms underlying object identification. 相似文献
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194.
Flashing a homogeneous light mask after the presentation of a masked target reduces the deleterious effects of the mask, a phenomenon often called target recovery. Target recovery has been studied using masking paradigms in which a target object is presented in isolation prior to the presentation of a mask, thus capturing attention. In the present study, we examined whether target recovery is possible when a target does not benefit from attentional capture. We hypothesized that target recovery would be eliminated when a target must compete with distractors for perceptual attention. Replicating classic studies, we observed target recovery when pattern and light masks followed an isolated target. However, target recovery was not observed when a light mask followed a masked visual search target. Furthermore, using an attentional-capture paradigm we found that sudden onset search targets were recoverable whereas nononset targets were not. The present findings indicate that attentional capture by a target prior to masking plays a critical role in the subsequent recovery of the target. 相似文献
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196.
Perceivers remember own-race faces more accurately than other-race faces (i.e., Own-Race Bias). In the current experiments, we manipulated participants' attentional resources and social group membership to explore their influence on own and other-race face recognition memory. In Experiment 1, Chinese participants viewed own-race and Caucasian faces, and between-subjects we manipulated whether participants attention was divided during face encoding. We found that divided attention eliminated the Own-Race Bias in memory due to a reduction of memory accuracy for own-race faces, implicating that attention allocation plays a role in creating the bias. In Experiment 2, Chinese participants completed an ostensible personality test. Some participants were informed that their personality traits were most commonly found in Caucasian (i.e., other-race) individuals, resulting in these participants sharing a group membership with other-race targets. In contrast, other participants were not told anything about the personality test, resulting in the default own-race group membership. The participants encoded the faces for a subsequent recognition memory test either with or without performing a concurrent arithmetic distracting task. Results showed that other-race group membership and reducing attention during encoding independently eliminated the typical Own-Race Bias in face memory. The implications of these findings on perceptual-expertise and social-categorization models are discussed. 相似文献
197.
Artemis Chang Shu-Chen Chen Shu-Cheng Steve Chi 《European Journal of Work and Organizational Psychology》2013,22(6):859-874
This study examined the effects of role demand on both work–family conflict and family–work conflict, and the moderating effects of role salience and support on these relationships. Based on 391 dual-career (managerial and blue-collar employees) couples from a Taiwanese company in China, the results of this survey study showed clear gender differences in the patterns of relationships observed. For men, the most important demands that negatively impacted on work–family conflict were frequency of overtime and frequency of socializing for work purposes (yingchou), and supervisory support buffered the negative impact of frequent overtime. For women however, strong supervisory support and low work role salience were more important for reducing work–family conflict, and there was no significant main effect found for any of the role demand factors. Furthermore, women with high work role salience were more likely to feel the impact of yingchou on work–family conflict. In the family domain, the most influential demand for men was hours spent on household tasks, but for women, it was the frequency of family-related leave. Interestingly, males reported higher family role salience than females and spouse support intensified rather than buffered the positive impact of hours spent on household tasks on family–work conflict for males. 相似文献
198.
Dan Li Chung-Ju Huang Sin-Chi Liu Kung-Hung Chang 《Neuropsychology, development, and cognition. Section B, Aging, neuropsychology and cognition》2013,20(6):865-881
ABSTRACTThis study investigated the association between exercise type and inhibition of prepotent responses and error detection. Totally, 75 adults (M = 68.88 years) were classified into one of three exercise groups: those who were regular participants in open- or closed-skill forms of exercise, and those who exercised only irregularly. The participants completed a Stroop and task-switching tasks with event-related brain potentials (ERPs) recorded. The results revealed that regular exercisers displayed faster reaction times (RTs) in the Stroop task compared with irregular exercisers. The open-skill exercisers exhibited smaller N200 and larger P300a amplitudes in the Stroop task compared with irregular exercisers. Furthermore, the open-skill exercisers showed a tendency of shorter error-related negativity latencies at the task-witching test. The findings suggest that older adults may gain extra cognitive benefits in areas such as inhibition functioning and error processing from participating in open-skill forms of physical exercises. 相似文献
199.
Garry Young 《Philosophical explorations》2013,16(2):189-208
In this paper I aim to present an explanation of object permanence that is derived from an ecological account of perceptually based action. In understanding why children below a certain age do not search for occluded objects, one must first understand the process by which these children perform certain intentional actions on non-occluded items; and to do this one must understand the role affordances play in eliciting retrieval behaviour. My affordance-based explanation is contrasted with Shinskey and Munakata's graded representation account; and although I do not reject totally the role representations play in initiating intentional action I nevertheless maintain that only by incorporating direct perception into an account of object permanence can a fuller understanding of this phenomenon be achieved. 相似文献
200.
The present study aimed to investigate the psychological displacement paradigm in diary-writing (PDPD) had both immediate and short-term psychological benefits. Participants were randomly assigned to write about their recent negative life experiences two times a week for 2 weeks in PDPD group or comparison group. Results revealed that the PDPD group displayed a decrease in negative emotion and an increase in positive emotion immediately after each writing session; they also showed an increase in psychological well-being relative to the comparison group for at least 2 weeks. Implications for PDPD are discussed. 相似文献