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Bev Killian Mary Van der Riet Angela Hough Vivien O'Neill Thabisile Zondi 《Journal of Psychology in Africa》2013,23(3):403-412
This study explores the notion of children's agency in situations of extreme adversity. The child participants (n=117) live in the midst of the HIV/AIDS pandemic; extreme poverty; and systemic educational malfunction. Four focus group interviews were conducted with the children to explore their experiences of potential barriers to education. The findings indicated that contextual factors had a profoundly negative impact on the children, with their agentive capacity being severely compromised through their exposure to multiple, complex layers of risk. There was very little evidence to suggest that children retain any sense of their own agency in such adversity. This has implications for their resilience and for the development of policy and intervention strategies that may meet these children's needs. 相似文献
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Young Deceivers: Executive Functioning and Antisocial Lie‐telling in Preschool Aged Children 下载免费PDF全文
Shanna Williams Karissa Leduc Angela Crossman Victoria Talwar 《Infant and child development》2017,26(1)
The present study examined the emergence of antisocial lie‐telling in very young children. Lie‐telling was studied in relation to executive functioning skills and children's abilities to identify both truths and lies. A total of 65 children (Mage in months = 31.75, SD = 1.87) participated in a modified temptation resistance paradigm (TRP; designed to elicit spontaneous lies). Executive functioning was measured through an inhibitory control task and a forward search planning task. The Truth/Lie Identification task was administered (Lyon, Carrick, & Quas, 2010 ) to measure children's abilities to accurately distinguish truths and lies. During the TRP, a total of 89.23% children peeked at the toy when a research assistant left the room, and of those children, 29.31% lied to the research assistant. Significant differences on executive functioning measures were found between lie‐tellers and confessors, as well as for the Truth/Lie Identification task. Lie‐tellers had higher scores on measures of inhibitory control and forward search planning. Lie‐tellers also had higher accuracy on the Truth/Lie Identification task than confessors. This study provides a unique contribution to the literature by examining 2.5‐year‐old children's emerging lie‐telling abilities, a relatively understudied age during which fledgling lie‐telling emerges. Copyright © 2016 John Wiley & Sons, Ltd. 相似文献
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A new grouping principle, uniform connectedness (UC), has been posited to be a basic organizer of visual pattern information,
one that takes precedence over other, more classic grouping principles (Palmer & Rock, 1994), but its ontogenetic origins
have not previously been investigated. We examined whether 3- to 4-month-olds and 6- to 7-month-olds utilize UC to organize
static two-dimensional displays. Infants habituated to uniformly connected patterns exhibited a novelty preference for disconnected
element patterns, whereas those without any habituation failed to exhibit a preference. The results indicate that infants
are sensitive to UC as a cue for perceptual organization. Prior studies indicate that some Gestalt principles (e.g., common
movement) are functional during the first half year of life, but that other principles (e.g., form similarity) are less readily
available. The present finding showing that young infants are sensitive to UC points to the foundational nature of this cue
and adds to an emerging body of evidence indicating that at least some of the mechanisms believed to produce perceptual organization
in adults are already operational in the first months of life. nt]mis|This research was supported by grants from the National
Science Foundation (BCS 0224240) and the National Institute of Child Health and Human Development (HD042451). 相似文献
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Motor deficits are the most common outcome of brain damage. Although a large part of such disturbances arises from loss of elementary sensorimotor functions, several syndromes cannot be explained purely on these bases. In this article, we briefly describe higher-order motor impairments, with specific attention to the characteristic ability of the human hand to interact with objects and tools. Disruption of this motor skill at several independent levels is used to outline a comprehensive model, in which various current proposals for a modular organization of hand-object interactions can be integrated. In this model, cortical mechanisms related to object interaction are independent from representations of the semantic features of objects. 相似文献
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Gutchess AH Welsh RC Boduroglu A Park DC 《Cognitive, affective & behavioral neuroscience》2006,6(2):102-109
Behavioral research suggests that Westerners focus more on objects, whereas East Asians attend more to relationships and contexts.
We evaluated the neural basis for these cultural differences in an event-related fMRI study. East Asian and American participants
incidentally encoded pictures of (1) a target object alone, (2) a background scene with no discernable target object, and
(3) a distinct target object against a meaningful background. Americans, relative to East Asians, activated more regions implicated
in object processing, including bilateral middle temporal gyrus, left superior parietal/angular gyrus, and right superior
temporal/supramarginal gyrus. In contrast to the cultural differences in object-processing areas, few differences emerged
in background-processing regions. These results suggest that cultural experiences subtly direct neural activity, particularly
for focal objects, at an early stage of scene encoding. 相似文献
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We asked whether the ability to keep in working memory the binding between a visual object and its spatial location changes with development across the life span more than memory for item information. Paired arrays of colored squares were identical or differed in the color of one square, and in the latter case, the changed color was unique on that trial (item change) or was duplicated elsewhere in the array (color-location binding change). Children (8-10 and 11-12 years old) and older adults (65-85 years old) showed deficits relative to young adults. These were only partly simulated by dividing attention in young adults. The older adults had an additional deficiency, specifically in binding information, which was evident only when item- and binding-change trials were mixed together. In that situation, the older adults often overlooked the more subtle, binding-type changes. Some working memory processes related to binding undergo life-span development in an inverted-U shape, whereas other, bias- and salience-related processes that influence the use of binding information seem to develop monotonically. 相似文献