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201.
The aim of the present study was to test memory for information under conditions of extreme arousal in an analogue design to mimic hyperarousal during trauma exposure. Prior to their skydive, 70 novice skydivers were administered measures of fear, heart rate, and anxiety sensitivity. Half the participants learnt a list of words that varied in both relevance to their skydive and valence (irrelevant/relevant, negative/neutral) on the plane (skydivers), and remaining participants learnt an identical list of words on the ground (delayed controls). Following the skydive, participants completed free recall and recognition tasks; heart rate, dissociation, and subjective arousal were also measured. Consistent with an attentional narrowing hypothesis, skydivers recalled comparable a comparable number of relevant words as delayed controls, but significantly less irrelevant words. In terms of recognition performance, skydivers displayed better recognition of relevant words but poorer recognition of irrelevant words than delayed controls. Valence of words did not alter the pattern of results. The implications of the findings are discussed in the context of understanding memory processes under conditions of high threat. 相似文献
202.
Meta-analyses were conducted to determine the magnitude of relationships between polymorphisms in 2 genes, ALDH2 and ADH1B, with alcohol dependence in Asians. For each gene, possession of 1 variant *2 allele was protective against alcohol dependence, and possession of a 2nd *2 allele did not offer significant additional protection. The protective effects of these 2 gene polymorphisms were independent. Diagnostic criteria, recruitment strategy, and Japanese ethnicity moderated the effect of ALDH2*2. Recruitment strategy and gender moderated the effect of ADH1B*2. These findings highlight the importance of methodological issues and potential gene-gene and gene-environment interactions that must be considered when examining relationships between genetic polymorphisms and phenotypes. 相似文献
203.
Words carry considerable information, but much of that information is not relevant in context. Research has shown that readers
selectively activate and remember relevant information associated with words in different contexts, but it is not known when
in processing this selection occurs. This experiment investigated whether context can change which properties are initially
retrieved, using a speed-accuracy trade-off paradigm. Readers had to verify a property of a modifier-noun phrase (e.g., in
the sentenceBoiled celery is soft) within a specified interval, from 300–3,000 msec after presentation. Results revealed that properties associated with the
noun alone were activated sooner than were properties that required integration of the modifier with the noun. Thus, context
did not serve to influence the initial retrieval of properties but only to activate or suppress properties later in processing. 相似文献
204.
Salsman JM Brown TL Brechting EH Carlson CR 《Personality & social psychology bulletin》2005,31(4):522-535
Although optimism, social support, religiousness, and spirituality are important predictors of adjustment, rarely have studies examined these variables simultaneously. This study investigated whether optimism and social support mediated the relationship between religiousness and adjustment (distress and life satisfaction) and between spirituality and adjustment. Findings indicate that the relationship between intrinsic religiousness and life satisfaction and between prayer fulfillment and life satisfaction was mediated by optimism and social support. Furthermore, the relationship between religiousness and adjustment varied depending on how religiousness was operationalized and whether positive versus negative adjustment indicators were used. That is, intrinsic religiousness and prayer fulfillment were associated with greater life satisfaction, but extrinsic religiousness was not associated with life satisfaction. These findings were significant even after accounting for covariates (age, gender, ethnicity, social desirability). Results suggest religiousness and spirituality are related but distinct constructs and are associated with adjustment through factors such as social support and optimism. 相似文献
205.
Average faces are attractive, but what is average depends on experience. We examined the effect of brief exposure to consistent facial distortions on what looks normal (average) and what looks attractive. Adaptation to a consistent distortion shifted what looked most normal, and what looked most attractive, toward that distortion. These normality and attractiveness aftereffects occurred when the adapting and test faces differed in orientation by 90° (+45° vs. −45°), suggesting adaptation of high-level neurons whose coding is not strictly retino- topic. Our results suggest that perceptual adaptation can rapidly recalibrate people's preferences to fit the faces they see. The results also suggest that average faces are attractive because of their central location in a distribution of faces (i.e., prototypicality), rather than because of any intrinsic appeal of particular physical characteristics. Recalibration of preferences may have important consequences, given the powerful effects of perceived attractiveness on person perception, mate choice, social interactions, and social outcomes for individuals. 相似文献
206.
IQ on the rise: the Flynn effect in rural Kenyan children 总被引:4,自引:0,他引:4
Abstract - Multiple studies have documented significant IQ gains over time, a phenomenon labeled the Flynn effect. Data from 20 industrialized nations show massive IQ gains over time, most notably in culturally reduced tests like the Raven's Progressive Matrices. To our knowledge, however, this is the first study to document the Flynn effect in a rural area of a developing country. Data for this project were collected during two large studies in Embu, Kenya, in 1984 and 1998. Results strongly support a Flynn effect over this 14-year period, with the most significant gains found in Raven's matrices. Previously hypothesized explanations (e.g., improved nutrition; increased environmental complexity; and family, parental, school, and methodological factors) for the Flynn effect are evaluated for their relevance in this community, and other potential factors are reviewed. The hypotheses that resonate best with our findings are those related to parents' literacy, family structure, and children's nutrition and health. 相似文献
207.
Lee Kern Joyce E. Mauk Tamara J. Marder F. Charles Mace 《Journal of applied behavior analysis》1995,28(3):339-340
We conducted a functional analysis of breath-holding episodes in a 7-year-old girl with severe mental retardation and Cornelia-de-Lange syndrome. The results showed that breath holding served an operant function, primarily to gain access to attention. The intervention, consisting of extinction, scheduled attention, and use of a picture card communication system, resulted in decreased breath holding. 相似文献
208.
Gender Differences in the Organization of Guilt and Shame 总被引:1,自引:0,他引:1
Lewis [(1971) Shame in Guilt in Neurosis, New York: International Universities Press] argues that guilt and shame represent distinct modes of perceiving and experiencing information about the self that are congruent with gender-linked differences in socialization. We tested predictions from Lewis' model that shame-proneness in adult White females (n = 102), but guilt-proneness in adult White males (n = 99), would account for a substantial proportion of the variance in measures assessing their characteristic use of defense mechanisms and endorsement of gender roles. Certain results confirmed Lewis' broader claim that guilt for men, but shame for women, were predominant modes of organizing information about the self. Other results did not support certain specific predictions made by Lewis or they provided only equivocal support (e.g., in men, the joint positive relationship of guilt-proneness to communal orientations but its negative relationship to externalization). Similar discrepant findings emerged for females' construal of guilt, which also related positively to internalization. Although shame-proneness did emerge as the principal emotion variable for females, it was linked to both internalization and externalization. Lewis' model is reconsidered in light of recent empirical findings and the need to conduct more on-line investigations of transgression-emotion induction-emotion reduction cycles. 相似文献
209.
David Lombard Tamara E. Neubauer Deborah Canfield Richard A. Winett 《Journal of applied behavior analysis》1991,24(4):677-686
Peer leader modeling, posted feedback, posted goals, and a commitment raffle were used at two swimming pools to increase behaviors associated with skin cancer prevention. During the intervention condition, pool lifeguards modeled the protective behaviors by wearing sunglasses, t-shirts, and hats, using zinc oxide and sunscreen, and staying in the shade. Children and adolescents (1 to 16 years old) increased their use of two or more protective behaviors from a baseline mean of 6.5% to 26.9% during the intervention. Adults (older than 16 years) increased their protective behaviors from a baseline mean of 22% to 37.95% during the intervention. The lifeguards increased their use of all the protective behaviors from a baseline mean of 16.7% to 63.5% during intervention. Ways to improve and expand this intervention are discussed. 相似文献
210.
Tamara Echter Uichol Kim Ching-ven James Kau Hong-Ceng Li Carolyn Simmons & Colleen Ward 《Asian Journal of Social Psychology》1998,1(3):271-288
This study investigates the relative importance of human values at four levels: (a) global, (b) national, (c) family, and (d) individual, among university students from four countries – the United States (137 females, 78 males, one unspecified), the People's Republic of China (66 females, 170 males, one unspecified), Taiwan (156 females, 101 males), and Singapore (148 females, 119 males). Students rated the importance of passing on the 68 items in the Child Socialization Value Survey to their children or to future generations. Principal Components Analysis was performed on the pooled sample of student responses and revealed a five-factor solution described by: universalism, family, nationalism, prestige, and autonomy. This study demonstrates that the values endorsed by samples of Chinese across different geopolitical backgrounds are not consistent. 相似文献