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211.
Congruent information conveyed over different sensory modalities often facilitates a variety of cognitive processes, including speech perception (Sumby & Pollack, 1954). Since auditory processing is substantially faster than visual processing, auditory-visual integration can occur over a surprisingly wide temporal window (Stein, 1998). We investigated the processing architecture mediating the integration of acoustic digit names with corresponding symbolic visual forms. The digits "1" or "2" were presented in auditory, visual, or bimodal format at several stimulus onset asynchronies (SOAs; 0, 75, 150, and 225 msec). The reaction times (RTs) for echoing unimodal auditory stimuli were approximately 100 msec faster than the RTs for naming their visual forms. Correspondingly, bimodal facilitation violated race model predictions, but only at SOA values greater than 75 msec. These results indicate that the acoustic and visual information are pooled prior to verbal response programming. However, full expression of this bimodal summation is dependent on the central coincidence of the visual and auditory inputs. These results are considered in the context of studies demonstrating multimodal activation of regions involved in speech production. 相似文献
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Mark Burgess Michael E. Enzle Marian Morry 《European journal of social psychology》2000,30(5):613-630
Sontag ( 1990 ) proposed that taking a photograph imparts social significance to the moment being captured. Two experiments were conducted to examine how the experience of being photographed affects the social relations of those who are photographed. In Experiment 1 (N=92), unacquainted members of dyads who were photographed together and then saw the resulting image displayed greater social self‐categorization and greater affinity for each other than did dyads who were not photographed (p<0.05). In Experiment 2 (N=282), pairs of photographed strangers also displayed greater social self‐categorization and mutual affinity than pairs of nonphotographed strangers (p<0.05). This effect occurred whether pair members were explicitly framed together in photographs or not. This result was unaffected by whether the photographed strangers were shown or were not shown their photograph. Merely opening and closing the shutter of a camera was sufficient for the development of a photo‐bonding effect. Results are discussed in terms of how the experience of being photographed can affect interpersonal perception and relationship formation. The significance of being photographed (Milgram, 1977 ; Sontag, 1990 ) apparently is so strong that it promotes social self‐categorization (Turner, Hogg, Oakes, Reicher, & Wetherell, 1987 ) both when people are photographed simultaneously and sequentially. Copyright © 2000 John Wiley & Sons, Ltd. 相似文献
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Cong Cao Jolien Rijlaarsdam Anja van der Voort Linqin Ji Wenxin Zhang Marian J. Bakermans-Kranenburg 《Journal of abnormal child psychology》2018,46(2):365-379
Using data from the Longitudinal Study of Chinese Children and Adolescents (LSCCA), this study is the first to examine the roles of the dopamine D2 receptor (DRD2) gene polymorphisms (i.e., TaqIA and A241G) and maternal positive parenting at ages 10 and 11 years in the trajectories of depressive symptoms from early to mid-adolescence (ages 11 to 16 years). In a sample of 1090 Chinese adolescents (50% girls), three trajectories of depressive symptoms were identified: (i) low-stable (36.1%), (ii) moderate-increasing (44.5%), and (iii) high-increasing (19.4%). A241G AA homozygotes and youth exposed to lower levels of maternal positive parenting were both at increased odds to follow the high-increasing vs. low-stable trajectory. Moreover, the A241G polymorphism interacted with maternal positive parenting to distinguish the moderate-increasing trajectory from the high-increasing and the low-stable trajectories. For A241G G-allele carriers, but not AA homozygotes, exposure to high quality of maternal parenting decreased the odds to follow the high-increasing vs. moderate-increasing trajectory of depressive symptoms. For AA homozygotes, but not G-allele carriers, high quality of maternal parenting increased the odds to follow the low-stable vs. moderate-increasing trajectory. The DRD2 TaqIA polymorphism had neither a direct nor an interactive effect with maternal positive parenting on trajectory membership. The current findings highlight the importance of investigating gene-by-environment interactions (G × E) in trajectories of depressive symptoms over adolescence, and support a developmental versus static nature of G × E effects. 相似文献
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Abstract Chronic pelvic pain (CPP) in women of reproductive age is a common complaint; for many women no identifiable pathology can be found. Research has suggested that women who have chronic pelvic pain without obvious pathology differ on a range of psychological characteristics, such as anxiety and depression, compared with those with identified pathology. A meta-analysis of 22 studies was undertaken to clarify these issues. Results showed that there were no significant differences on a range of psychological variables between women who were identified, via laparoscopy and clinical judgement, as having organic disorders and those who were not so identified. When women with chronic pelvic pain were compared with pain-free groups a profile of elevated depression, anxiety, neuroticism and psychopathology was found which is consistent with findings from studies of other painful conditions. 相似文献
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Stressful events activate the amygdala and a network of associated brain regions. Studies in both humans and rodents indicate that noradrenaline has a prominent role in this activation. Noradrenaline induces a hypervigilant state that helps to remember the event. This mnemonic effect is enhanced when the situation is so stressful that substantial amounts of corticosteroids are released and reach the amygdala. The combination of the two hormones leads to optimal strengthening of contacts and thus memory. Yet, rises in corticosteroid levels that are not precisely synchronized with noradrenaline release do not act synergistically but rather prevent or suppress the effect of noradrenaline. This dynamic interaction illustrates the adaptive and potentially protective capacity of corticosteroids regarding traumatic memories. 相似文献