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971.
Chica AB Lasaponara S Chanes L Valero-Cabré A Doricchi F Lupiáñez J Bartolomeo P 《Attention, perception & psychophysics》2011,73(4):1065-1081
Attention has often been considered to be a gateway to consciousness (Posner, Proceedings of the National Academy of Sciences of the United States of America, 91(16), 7398–7403, 1994). However, its relationship with conscious perception (CP) remains highly controversial. While theoretical models and experimental data support the role of attention in CP (Chica, Lasaponara, Lupiáñez, Doricchi, &; Bartolomeo, NeuroImage, 51, 1205–1212, 2010; Dehaene, Changeux, Naccache, Sackur, &; Sergent, Trends in Cognitive Sciences, 10, 204–211, 2006; Mack &; Rock, Inattentional blindness, 1998), recent studies have claimed that at least some forms of attention—endogenous or top-down spatial attention—are neither sufficient nor necessary for CP (Koch &; Tsuchiya, Trends in Cognitive Sciences, 11, 16–22, 2007). In the present experiments, we demonstrate the importance of exogenously triggered attention for the modulation of CP. Weak or null effects were instead observed when attention was triggered endogenously. Our data are discussed in the framework of recent neuropsychological models (Dehaene et al., Trends in Cognitive Sciences, 10, 204–211, 2006), postulating that activity within reverberating frontoparietal networks, as colocalized with spatial--orienting systems, is the brain correlate of consciously processed information. 相似文献
972.
This study focuses on how the emergence of innovative moments (IMs), which are exceptions to a person’s dominant self-narrative (i.e., his or her usual way of understanding and experiencing),
progresses to the construction of a new self-narrative. IMs challenge a person’s current framework of understanding and experiencing,
generating uncertainty. When uncertainty is excessively threatening, a semiotic strategy to deal with it often emerges: attenuation
of novelty’s meanings and implications by a quick return to the dominant self-narrative. From a dialogical perspective, a
dominant voice (which organizes one’s current self-narrative) and a non-dominant or innovative voice (expressed during IMs)
establish a cyclical relation, mutual in-feeding, blocking self-development. In this article, we analyze a successful psychotherapeutic case focusing on how the relation
between dominant and non-dominant voices evolves from mutual in-feeding to other forms of dialogical relation. We have identified
two processes: (1) escalation of the innovative voice(s) thereby inhibiting the dominant voice and (2) dominant and innovative
voices negotiating and engaging in joint action. 相似文献
973.
During the last few decades we have witnessed a proliferation of exercises dealing with the public participation of citizens in various different dimensions of their societies, including issues of science and technology. On the one hand, these mechanisms provide more robust forms of public engagement with matters that were traditionally dealt with by experts; on the other hand, they raise concerns relating to their design, efficiency or potential for the empowerment of citizens. As part of the EC-funded project DEEPEN (Deepening Ethical Engagement and Participation in Emerging Nanotechnologies) a research team in Coimbra, Portugal, was put in charge of identifying the ethical and social “impacts” of emerging nanotechnologies, transforming the traditional focus groups through the incorporation of two methodological innovations: the Pedagogy of the Oppressed and the Theatre of the Oppressed. This article reflects on the outcomes and complexities of the introduction of these two methodologies. Since the participants had little or no information on nanotechnologies, we reflect on the politics of these focus groups by exploring how issues of intervention, subjectivity, representation and agency were interconnected during this exercise of public participation in Science and Technology, analyzing the role of social sciences in developing nanoethics. 相似文献
974.
Previous research has shown that the perception of speech sounds is strongly influenced by the internal structure of maternal language categories. Specifically, it has been shown that stimuli judged as good exemplars of a phonemic category are more difficult to discriminate from similar sounds than bad exemplars from equally similar sounds. This effect seems to be restricted to phonemes present in the maternal language, and is acquired in the first months of life. The present study investigates the malleability of speech acquisition by analysing the discrimination capacities for L2 phonemes in highly proficient Spanish-Catalan bilinguals born in monolingual families. In Experiment I subjects were required to give goodness of fit judgments to establish the best exemplars corresponding to three different vowel categories (Catalan /e/ and /ε/ Spanish /e/). In Experiments 2 and 3, bilinguals were asked to perform a discrimination task with materials in their maternal language (Exp. 2) and in their second language (Exp. 3). Results reveal that bilinguals show a reduced discrimination capacity only for good exemplars of their maternal language, but not for good exemplars of their second language. The same pattern of results was obtained in Experiment 4, using a within-subjects design and a bias-free discrimination measure (d'). These findings support the hypothesis that phonemic categories are not only acquired early in life, but under some circumstances, the acquisition of new phonemic categories can be seriously compromised, in spite of early and extensive exposure to L2. 相似文献
975.
Juan M. Toro Núria Sebastián-Gallés Sven L. Mattys 《Journal of Cognitive Psychology》2013,25(5):786-800
Statistical learning allows listeners to track transitional probabilities among syllable sequences and use these probabilities for subsequent speech segmentation. Recent studies have shown that other sources of information, such as rhythmic cues, can modulate the dependencies extracted via statistical computation. In this study, we explored how syllables made salient by a pitch rise affect the segmentation of trisyllabic words from an artificial speech stream by native speakers of three different languages (Spanish, English, and French). Results showed that, whereas performance of French participants did not significantly vary across stress positions (likely due to language-specific rhythmic characteristics), the segmentation performance of Spanish and English listeners was unaltered when syllables in word-initial and word-final positions were salient, but it dropped to chance level when salience was on the medial syllable. We argue that pitch rise in word-medial syllables draws attentional resources away from word boundaries, thus decreasing segmentation effectiveness. 相似文献
976.
Lily A. Krauss Christina K. Wilson Elena Padrón Kristin W. Samuelson 《Journal of aggression, maltreatment & trauma》2016,25(4):421-435
Although research has documented the detrimental effects of maternal trauma on child behavior (Lambert, Holzer, & Hasbun, 2014), the role of extended family support in potentially mitigating the effects of intergenerational transmission of trauma is not clearly understood. With a diverse community sample of 52 trauma-exposed mothers and their children between the ages of 7 and 12, we investigated relationships between kinship social support, maternal trauma exposure severity, maternal posttraumatic stress disorder (PTSD) symptom severity, and child behavioral problems. Results showed that kinship social support was negatively related to maternal trauma exposure severity, maternal PTSD symptom severity, child internalizing behaviors, and child externalizing behaviors. Additionally, kinship social support moderated the relationship between maternal trauma exposure severity and child internalizing behaviors. These results have implications in the implementation of interventions aimed at supporting diverse families facing trauma that incorporate extended family networks. 相似文献
977.
The need of bilinguals to continuously control two languages during speech production may exert general effects on their attentional networks. To explore this issue we compared the performance of bilinguals and monolinguals in the attentional network task (ANT) developed by Fan et al. [Fan, J., McCandliss, B.D. Sommer, T., Raz, A., Posner, M.I. (2002). Testing the efficiency and independence of attentional networks. Journal of Cognitive Neuroscience, 14, 340-347]. This task is supposed to tap into three different attentional networks: alerting, orienting and executive control. The results revealed that bilingual participants were not only faster in performing the task, but also more efficient in the alerting and executive control networks. In particular, bilinguals were aided more by the presentation of an alerting cue, and were also better at resolving conflicting information. Furthermore, bilinguals experienced a reduced switching cost between the different type of trials compared to monolinguals. These results show that bilingualism exerts an influence in the attainment of efficient attentional mechanisms by young adults that are supposed to be at the peak of their attentional capabilities. 相似文献
978.
979.
Eva Rubínová Hartmut Blank Jonathan Koppel James Ost 《British journal of psychology (London, England : 1953)》2021,112(1):180-206
In today's globalized world, we frequently encounter unfamiliar events that we may have difficulty comprehending – and in turn remembering – due to a lack of appropriate schemata. This research investigated schema effects in a situation where participants established a complex new schema for an unfamiliar type of story through exposure to four variations. We found that immediate recall increased across subsequent stories and that distortions occurred less frequently – participants built on the emerging schema and gradually established representations of parts of the story that were initially transformed. In recall with delays increasing up to 1 month, quantitative measures indicated forgetting while distortions increased. The second focus of this research was on content and order deviation effects on recall. The content deviation, in contrast with previous repeated-event research, was not remembered well and was associated with lower recall; the order deviation had a similar (but expected) effect. We discuss discrepancies between results of this study and previous literature, which had focused on schemata for familiar events, in relation to stages of schema development: it seems that in unfamiliar repeated events, a complex new schema is in the early stages of formation, where the lack of attentional resources limits active processing of deviations. 相似文献
980.
Fátima Valencia Eva Penelo Núria de la Osa J. Blas Navarro Lourdes Ezpeleta 《The British journal of developmental psychology》2021,39(3):363-379
Maternal internalizing symptoms have been linked with child internalizing symptoms, but paternal internalizing difficulties have received little attention. Our aims were to prospectively analyse the simultaneous effect of maternal and paternal internalizing symptoms on child internalizing difficulties, examining gender differences, and to verify the mediating effect of parenting practices and child irritability. The sample included 470 families assessed at child ages 3, 6, 8, and 11. Multi-group structural equation modelling was performed with Mplus8.2. Complete equivalence was found between boys and girls for all paths. Maternal internalizing symptoms at age 3 had an indirect effect on child internalizing symptoms at age 11, via irritability at age 8. Paternal internalizing symptoms at age 3 were not associated with any of the variables under study. Maternal internalizing symptoms and child irritability are targets for intervention in order to prevent child internalizing difficulties. 相似文献