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81.
Myra A. Fernandes Shahnaz Koji Michael J. Dixon Jennifer M. Aquino 《Visual cognition》2013,21(9):1191-1211
We examined how valence and arousal of an image influence visual attention. “Spotlight of attention” theory suggests that positive affect broadens, and negative affect narrows, one's aperture of attention, whereas the arousal theory literature suggests that arousal level is what modulates attentional focus, with highly arousing affect capturing attention, regardless of valence. In two experiments, a digit parity task was used to index the influence of valence, and arousal, on visual attention. Positive or negative images were displayed centrally on each trial, with single digits presented more peripherally (Experiment 1) or more centrally (Experiment 2) to the image. In both Experiments participants were slower, and less accurate at making parity decisions (e.g., both digits odd or both even) when the image was negative relative to positive, and of high arousal. For low arousal images, positive, relative to negative, valence images led to greater impairment of the digit parity task. Findings suggest that arousal level of images modulates the influence of valence on distribution of visual attention. Highly negative emotional images may command or capture attention, but there are other factors that can lead to attention capture, even in low arousing positive stimuli. 相似文献
82.
Erin I. Skinner Myra A. Fernandes 《Neuropsychology, development, and cognition. Section B, Aging, neuropsychology and cognition》2013,20(4):377-400
ABSTRACT We examined how context presented at study affects recollection of words in younger and older adults. In Experiment 1, participants studied words presented with a picture of a face (context-rich condition) or a rectangle (context-weak condition), and subsequently made ‘Remember’, ‘Know’, or ‘New’ judgments to words presented alone. Younger, but not older, adults showed higher Remember accuracy following rich- than weak-context trials. In Experiment 2, we manipulated the type of processing engaged during the encoding of context–word pairs. Younger and older adults studied words presented with a picture of a face under a surface feature (gender) or binding feature (match) instruction condition. Both age groups showed higher Remember accuracy in the binding than surface instruction condition. Results suggest that providing rich contextual detail at encoding boosts later item recollection in younger adults. Older adults, however, do not spontaneously engage in the processes required to boost recollection, though instructional manipulation during encoding lessens this deficit. 相似文献
83.
Janine M. Jones Josie R. St. Peter Sherira J. Fernandes Todd I. Herrenkohl Rick Kosterman J. David Hawkins 《Review of religious research》2011,53(2):207-225
This study used latent class analysis (LCA) to empirically derive profiles of religious involvement among a sample of 808
young adults and describe ethnic and gender differences within such religious involvement patterns. Items on the Duke Religion
Index (DRI) were included as part of a larger longitudinal survey of emotional, physical, and behavioral health. The scale
measured the organizational, nonorganizational, and intrinsic dimensions of religiosity (Koenig et al. in Handbook of religion
and health, Oxford University Press, Oxford, 2001) in a sample of young adults at two waves of the study—age 27 and age 30. At age 27, five religious profiles were distinguishable
in the sample while at age 30 six profiles emerged. Ethnic differences were found for each of the religious profiles where
religious involvement manifested in different ways. Religious profiles between ages 27 and 30 changed over time and were affected
by gender and ethnicity. 相似文献
84.
MARGUERITE LA CAZE 《希帕蒂亚:女权主义哲学杂志》2005,20(3):92-114
Is love essential to ethical life, or merely a supplement? In Kant's view, respect and love, as duties, are in tension with each other because love involves drawing closer and respect involves drawing away. By contrast, Irigaray says that love and respect do not conflict because love as passion must also involve distancing and we have a responsibility to love. I argue that love, understood as passion and based on respect, is essential to ethics. 相似文献
85.
Functional specificity of the visual word form area: general activation for words and symbols but specific network activation for words 总被引:3,自引:0,他引:3
The functional specificity of the brain region known as the Visual Word Form Area (VWFA) was examined using fMRI. We explored whether this area serves a general role in processing symbolic stimuli, rather than being selective for the processing of words. Brain activity was measured during a visual 1-back task to English words, meaningful symbols (e.g., $, %), digits, words in an unfamiliar language (Hebrew), and geometric control stimuli. Mean activity in the functionally defined VWFA, as well as a pattern of whole-brain activity identified using a multivariate technique, did not differ for words and symbols, but was distinguished from that seen with other stimuli. However, functional connectivity analysis of this region identified a network of regions that was specific to words, including the left hippocampus, left lateral temporal, and left prefrontal cortex. Results support the hypothesis that activity in the VWFA plays a general role in processing abstract stimuli; however, the left VWFA is part of a unique network of brain regions active only during the word condition. These findings suggest that it is the neural "context" of the VWFA, i.e., the broader activity distributed in the brain that is correlated with VWFA, that is specific for visual word representation, not activity in this brain region per se. 相似文献
86.
There is disagreement in the literature about whether a "positivity effect" in memory performance exists in older adults. To assess the generalizability of the effect, the authors examined memory for autobiographical, picture, and word information in a group of younger (17-29 years old) and older (60-84 years old) adults. For the autobiographical memory task, the authors asked participants to produce 4 positive, 4 negative, and 4 neutral recent autobiographical memories and to recall these a week later. For the picture and word tasks, participants studied photos or words of different valences (positive, negative, neutral) and later remembered them on a free-recall test. The authors found significant correlations in memory performance, across task material, for recall of both positive and neutral valence autobiographical events, pictures, and words. When the authors examined accurate memories, they failed to find consistent evidence, across the different types of material, of a positivity effect in either age group. However, the false memory findings offer more consistent support for a positivity effect in older adults. During recall of all 3 types of material, older participants recalled more false positive than false negative memories. 相似文献
87.
In the present article, we present four experiments in which we examined whether mental imagery can initiate retrieval-induced
forgetting. Participants were presented with word pairs (Experiments 1, 2, and 3) or narratives (Experiment 4) and then engaged
in selective mental imagery about half of the details from half of the categories. The results indicated that mental imagery
can produce the same pattern of impairment as retrieval practice (Experiment 1) and postevent questioning (Experiment 4).
Additionally, mental imagery-invoked, retrievalinduced forgetting was found for category cued recall (Experiments 1, 3, and
4) and cued recall (Experiment 2); it was found to dissipate across a 24-h delay, but only when there was no pre-delay test
(Experiment 3). Such retrieval-induced forgetting was also found for imagining from the first-person and third-person perspectives
(Experiment 4). From these findings, we suggest that the underlying retrieval processes behind mental imagery can initiate
retrieval-induced forgetting. The findings are discussed in terms of inhibitory processes. 相似文献
88.
Effects of bilingualism, aging, and semantic relatedness on memory under divided attention. 总被引:2,自引:0,他引:2
Myra A Fernandes Fergus Craik Ellen Bialystok Sharyn Kreuger 《Revue canadienne de psychologie expérimentale》2007,61(2):128-141
We examined how encoding and retrieval processes were affected by manipulations of attention, and whether the degree of semantic relatedness between words in the memory and distracting task modulated these effects. We also considered age and bilingual status as mediating factors. Monolingual and bilingual younger and older adults studied a list of words from a single semantic category presented auditorily, and later free recalled them aloud. During either study or retrieval, participants concurrently performed a distracting task requiring size decisions to words from either the same or a different semantic category as the words in the memory task. The greatest disruptions of memory from divided attention (DA) were for encoding rather than retrieval. The effect of semantic relatedness was significant only for DA at encoding. Older age and bilingualism were associated with lower recall scores in all conditions, but these factors did not influence the magnitude of memory interference. The results suggest that encoding is more sensitive to semantic similarity in a distracting task than is retrieval. The role of attention at encoding and retrieval is discussed. 相似文献
89.
90.
We investigated the relationship between ear advantage scores on the Fused Dichotic Words Test (FDWT), and laterality of activation in fMRI using a verb generation paradigm in fourteen children with epilepsy. The magnitude of the laterality index (LI), based on spatial extent and magnitude of activation in classical language areas (BA 44/45, 21/22, 39) differed significantly for patients classified with unilateral left, compared to bilateral, language representation based on FDWT scores. Concordance with fMRI was higher for those classified with unilateral left, than bilateral language representation on the FDWT. Of note, asymmetry in temporal lobe, rather than frontal lobe, activation was more strongly related to the LI from the dichotic listening test. This study shows that the FDWT can provide a quick and valid estimate of lateralization in pre-surgical candidates, which can be readily adopted for other clinical or research purposes when an estimate of language dominance is desired. 相似文献