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141.
Céline N. Bürki Catherine Ludwig Christian Chicherio Anik de Ribaupierre 《Psychological research》2014,78(6):821-835
To date, cognitive intervention research has provided mixed but nevertheless promising evidence with respect to the effects of cognitive training on untrained tasks (transfer). However, the mechanisms behind learning, training effects and their predictors are not fully understood. Moreover, individual differences, which may constitute an important factor impacting training outcome, are usually neglected. We suggest investigating individual training performance across training sessions in order to gain finer-grained knowledge of training gains, on the one hand, and assessing the potential impact of predictors such as age and fluid intelligence on learning rate, on the other hand. To this aim, we propose to model individual learning curves to examine the intra-individual change in training as well as inter-individual differences in intra-individual change. We recommend introducing a latent growth curve model (LGCM) analysis, a method frequently applied to learning data but rarely used in cognitive training research. Such advanced analyses of the training phase allow identifying factors to be respected when designing effective tailor-made training interventions. To illustrate the proposed approach, a LGCM analysis using data of a 10-day working memory training study in younger and older adults is reported. 相似文献
142.
Catherine Driscoll 《Philosophical Psychology》2014,27(6):907-925
David Buller and Valerie Hardcastle have argued that various discoveries about the genetics and nature of brain development show that most “central” psychological mechanisms cannot be adaptations because the nature of the contribution from the environment on which they are based shows they are not heritable. Some philosophers and scientists have argued that a strong role for the environment is compatible with high heritability as long as the environment is highly stable down lineages. In this paper I support this view by arguing that the discoveries Buller and Hardcastle refer to either do not show as strong a role for the environment as they suggest, or these discoveries show that the brain's developmental process depends in many cases on input from the environment that is highly stable across generations. 相似文献
143.
Stephen J. Wilson Mauricio R. Delgado Sherry A. McKee Patricia S. Grigson R. Ross MacLean Travis T. Nichols Shannon L. Henry 《Cognitive, affective & behavioral neuroscience》2014,14(4):1196-1207
As a group, cigarette smokers exhibit blunted subjective, behavioral, and neurobiological responses to nondrug incentives and rewards, relative to nonsmokers. Findings from recent studies suggest, however, that there are large individual differences in the devaluation of nondrug rewards among smokers. Moreover, this variability appears to have significant clinical implications, since reduced sensitivity to nondrug rewards is associated with poorer smoking cessation outcomes. Currently, little is known about the neurobiological mechanisms that underlie these individual differences in the responsiveness to nondrug rewards. Here, we tested the hypothesis that individual variability in reward devaluation among smokers is linked to the functioning of the striatum. Specifically, functional magnetic resonance imaging was used to examine variability in the neural response to monetary outcomes in nicotine-deprived smokers anticipating an opportunity to smoke—circumstances found to heighten the devaluation of nondrug rewards by smokers in prior work. We also investigated whether individual differences in reward-related brain activity in those expecting to have access to cigarettes were associated with the degree to which the same individuals subsequently were willing to resist smoking in order to earn additional money. Our key finding was that deprived smokers who exhibited the weakest response to rewards (i.e., monetary gains) in the ventral striatum were least willing to refrain from smoking for monetary reinforcement. These results provide evidence that outcome-related signals in the ventral striatum serve as a marker for clinically meaningful individual differences in reward-motivated behavior among nicotine-deprived smokers. 相似文献
144.
Joshua E. Wolf Catherine M. Urbano Chad M. Ruprecht Kenneth J. Leising 《Behavior research methods》2014,46(1):206-214
The increasing demand for highly automated and flexible tasks capable of assessing visual learning and memory in nonhuman animals has led to the exciting development of a wide array of prefabricated touchscreen-equipped systems. However, the high cost of these prefabricated systems has led many researchers to develop or modify their own preexisting equipment. We developed a freely downloadable App, the Touchscreeen Behavioral Evaluation System (TBES) for use in conjunction with an iPad (Apple, Cupertino, California) as an alternative to prefabricated touchscreen systems. TBES allows for stimulus presentation and data collection on an iPad. The touchscreen technology offered by the iPad is attractive to researchers due to its affordability, reliability, and resistance to false inputs. We highlight these, as well as the feasibility and procedural flexibility of TBES, in an effort to promote our system as a competitive alternative to those currently available. 相似文献
145.
ABSTRACTThree-to-five-year-old French children were asked to add or remove objects to or from linear displays. The hypothesis of a universal tendency to represent increasing number magnitudes from left to right led to predict a majority of manipulations at the right end of the rows, whatever children's hand laterality. Conversely, if numbers are not inherently associated with space, children were expected to favour laterality-consistent manipulations. The results showed a strong tendency to operate on the right end of the rows in right-handers, but no preference in left-handers. These findings suggest that the task elicited a left-to-right oriented representation of magnitudes that counteracted laterality-related responses in left-handed children. The young age of children and the lack of a developmental trend towards right preference weaken the hypothesis of a cultural origin of this oriented representation. The possibility that our results are due to weaker brain lateralisation in left-handers compared to right-handers is addressed in Discussion section. 相似文献
146.
Jessica Boyle Meri Vukicevic Konstandina Koklanis Catherine Itsiopoulos Gwyneth Rees 《Psychology, health & medicine》2018,23(2):127-140
Current therapy to slow disease progression in patients with neovascular age-related macular degeneration (AMD) entails regular intravitreal anti-vascular endothelial growth factor (VEGF) injections, often indefinitely. Little is known about the burden imposed on patients by this repetitive treatment schedule and how this can be best managed. The aim of this study was to explore the psychosocial impact of repeated intravitreal injections on patients with neovascular AMD. Forty patients (16 males, 24 females) with neovascular AMD undergoing anti-VEGF treatment were recruited using purposive sampling from a private ophthalmology practice and public hospital in Melbourne. Patients were surveyed using the Macular Disease Treatment Satisfaction Questionnaire (MacTSQ; Bradley, Health Psychology Research Unit, Surrey, England) and underwent semi-structured, one-on-one interviews. Interview topics were: treatment burden and satisfaction; tolerability; barriers to adherence; treatment motivation; and patient education. Interviews were audio recorded and thematic analysis performed using NVivo 10 (QSR International, Doncaster, Australia). Patients recognised the importance of treatment to preserve eyesight, yet experienced significant psychosocial and practical burden from the treatment schedule. Important issues included treatment-related anxiety, financial considerations and transport burden placed on relatives or carers. Many patients were restricted to sedentary activities post-injection owing to treatment side effects. Patients prioritised treatment, often sacrificing family, travel and social commitments owing to a fear of losing eyesight if treatment was not received. Whilst anti-VEGF injections represent the current mainstay of treatment for neovascular AMD, the ongoing treatment protocol imposes significant burden on patients. An understanding of the factors that contribute to the burden of treatment may help inform strategies to lessen its impact and assist patients to better manage the challenges of treatment. 相似文献
147.
148.
“How can you make friends if you don't know who you are?” A qualitative examination of international students' experience informed by the Social Identity Model of Identity Change
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Nikole W.K. Ng S. Alexander Haslam Catherine Haslam Tegan Cruwys 《Journal of community & applied social psychology》2018,28(3):169-187
This paper explores the contribution of social identity change to international students' health and well‐being. International students typically face a range of challenges from the time they leave their home country, including the need to adapt both to a new culture and norms and to a new educational landscape. Previous research informed by the Social Identity Model of Identity Change (SIMIC) suggests that during such life transitions, an individual's group memberships and associated social identities can provide a buffer against the threats to well‐being that such transitions present. To examine the relevance of SIMIC for the transitions that international students' experience, semistructured interviews were conducted with 15 international students attending an Australian university. Thematic analysis provided support for the relevance of SIMIC's social identity gain and social identity maintenance pathways in the transition and revealed a number of associated factors that acted as either facilitators (e.g., a host family that supported community integration) or barriers (e.g., experiencing culture shock) to social identity change. These findings present the first qualitative support for SIMIC within an international student population and help to flesh out the specific ways in which social identity processes contribute to both positive and negative health and well‐being outcomes. 相似文献
149.
Patricia Benner Jodi Halpern Deborah R. Gordon Catherine Long Popell Patricia W. Kelley 《The Journal of medical humanities》2018,39(1):45-72
An alternative to objectifying approaches to understanding Post-traumatic Stress Disorder (PTSD) grounded in hermeneutic phenomenology is presented. Nurses who provided care for soldiers injured in the Iraq and Afghanistan wars, and sixty-seven wounded male servicemen in the rehabilitation phase of their recovery were interviewed. PTSD is the one major psychiatric diagnosis where social causation is established, yet PTSD is predominantly viewed in terms of the usual neuro-physiological causal models with traumatic social events viewed as pathogens with dose related effects. Biologic models of causation are applied reductively to both predisposing personal vulnerabilities and strengths that prevent PTSD, such as resiliency. However, framing PTSD as an objective disease state separates it from narrative historical details of the trauma. Personal stories and cultural meanings of the traumatic events are seen as epiphenomenal, unrelated to the understanding of, and ultimately, the therapeutic treatment of PTSD. Most wounded service members described classic symptoms of PTSD: flashbacks, insomnia, anxiety etc. All experienced disturbance in their sense of time and place. Rather than see the occurrence of these symptoms as decontextualized mechanistic reverberations of war, we consider how these symptoms meaningfully reflect actual war experiences and sense of displacement experienced by service members. 相似文献
150.
As technology has become an ever-present facet in the lives of young people, they have become reliant on it to form and maintain relationships. The present study explored the perceptions of cyberstalking offenders on their own romantic relationships of their offending behaviors utilizing General Theory of Crime and Social Learning Theory. Results indicated that low self-control is a significant predictor of perceiving a negative impact by a victim, such as breaking up the relationship or taking revenge on the offender, as offenders with low self-control do not believe their behaviors would have a negative impact. 相似文献