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111.
Edwin?D.?Ayers Jeffrey?White D.?A.?PowellEmail author 《Integrative psychological & behavioral science》2003,38(3):230-247
Several recent studies have investigated relationships between post-traumatic stress disorder (PTSD) and learning and memory
problems. These reports have found in general that not only does PTSD affect trauma-related memories, but when patients with
PTSD are compared with similar trauma patients without PTSD, general memory impairments have been found. The present paper
reports a study in which associative learning, using Pavlovian eyeblink conditioning, was investigated in combat veterans
with and without chronic PTSD, using interstimulus intervals of 500 and 1000 msec in two separate experiments. Although several
recent reports suggest that larger-magnitude autonomic conditioned responses occur in patients with PTSD during Pavlovian
conditoning, the present study found evidence of impaired Pavlovian eyeblink conditioning in combat veterans with and without
PTSD, compared to non-combat veterans. Although these data suggest that combat leads to an impaired associative learning process
regardless of whether PTSD is apparent, a group of community-dwelling combat veterans not under medical treatment showed normal
conditioning, suggesting that variables other than prior combat must also be involved. 相似文献
112.
John D. White 《International Journal for Philosophy of Religion》1984,10(1):177-187
113.
We report a range of lateralized coping strategies adopted by large social groups of cattle in response to mild challenges posed by humans of varying degrees of familiarity. At either 14 or 18 pens at a commercial feedlot, with 90 to 200 cattle in each, we conducted a series of video recorded ‘pressure tests’. ‘Frontal’ pressure tests involved walking from a position perpendicular to the concrete feed bunk of a given pen, towards the geometric centre of the line of feeding cattle. ‘Bunk-side’ pressure tests involved experimenters walking closely past a pen of feeding cattle in one direction, before returning in the opposite direction shortly afterwards. Experimenters wore white dust masks to alter their facial features in the bunk-side pressure tests. In both frontal and bunk-side pressure tests, distance from the experimenter influenced cattle’s choice of binocular viewing, cessation of feeding, standing or stepping backwards to monitor the approach and leaving the feed bunk. The frequency of these coping strategies differed in a lateralized manner. The cattle were more likely to accept the close positioning of a generally familiar, unmasked human on their left, which is traditionally referred to as the “near” side. By contrast, when responding to the approach of an unfamiliar, masked human, cattle conformed to the general vertebrate model and were more likely to remove themselves from the potential threat viewed within the left and not right visual field. We argue that the traditional terms for livestock sidedness as “near” (left) and “off” (right) sides demonstrate a knowledge of behavioural lateralization in domestic livestock that has existed for over 300 years of stock handling. 相似文献
114.
K. Geoffrey White 《Journal of the experimental analysis of behavior》2018,109(1):70-86
Atypical forgetting functions have been demonstrated in several recent studies of delayed matching to sample, in which experimental conditions are altered partway through the retention interval. The forgetting functions are atypical in that accuracy or discriminability is not always a negatively accelerated monotonic function of increasing retention interval duration, but may increase at later times in the retention interval. Atypical forgetting functions reflect changes in levels of discrimination. A switch from a lower level to a higher level of discrimination, or vice versa, can occur at any time in the retention interval. The behavioral theories of remembering proposed by Nevin, Davison, Odum, and Shahan (2007), and White and Brown (2014), offer quantitative predictions of forgetting functions that differ in intercept or slope. Both theories are able to account for atypical forgetting functions, by assuming time‐independent changes in the mediating effect of attending to sample and comparison stimuli (in Nevin et al.'s model) or in the direct effect of the context of reinforcement of the conditional discrimination (in White & Brown's model). Despite differences in their main assumptions, the theories have an edge over any theory that assumes that forgetting is time‐dependent. 相似文献
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Although religion often comprises a central component of the social and cultural make-up of communities in developing countries affected by disasters, there is often limited understanding of how religious faith, religious leaders, and religious institutions contribute to vulnerability and resilience in the post-disaster period. Using a case study related to the earthquake in Yogyakarta, Indonesia, in 2006, our research examined the role of faith and religion from the perspective of affected populations, including individuals, religious leaders, and academics. The research suggests complexity in fatalistic thinking and the role of religious activities, where both vulnerability and resilience co-existed. The nature of religious leadership was found to be highly dependent on the individual, although leaders primarily saw their roles as supporting the psychological recovery of the affected population. Examining religious institutions suggests that physical structures, collective engagement in activities, networks, and theological perspectives provided opportunities for initiatives aiming at disaster risk reduction, although not all of these aspects remain functional in the aftermath of disasters. The article concludes by discussing the importance of incorporating religious faith and institutions in disaster risk reduction programming and unifying messages between faith and non-faith organizations. 相似文献
118.
Including Both Voices: A New Bidirectional Framework for Understanding and Improving Intergroup Relations 下载免费PDF全文
Methods: If successful intergroup harmony is to be achieved between two groups, then both groups' voices must be heard. Despite this, 60 years of social psychological “intergroup” prejudice research has tended to adopt a solely majority‐centric perspective, with the majority group portrayed as the active agent of prejudice, and the minority group as passive targets. Objective: This paper critically reviews relevant literature, highlighting this unidirectional imbalance, and proposes a new, two‐stage bidirectional framework, where we encourage researchers and educators to first understand how minority and majority groups' intergroup attitudes and emotions impact intergroup dynamics, before tailoring and implementing contact and recategorisation strategies to improve intergroup relations, nationally and internationally. Conclusion: We argue that the interactive nature of the intergroup dynamic needs to be better understood, and each group's voice heard, before prejudice can be effectively reduced. Lastly, we describe an Australian study, the Dual Identity and Electronic‐contact (DIEC) programme, that has been conducted and has successfully applied this bidirectional framework. 相似文献
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