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141.
This work investigates how we process and represent event duration in on-line language comprehension. Specifically, it examines how events of different duration are processed and what type of knowledge underlies their representations. Studies 1–4 examined verbs and phrases in different contexts. They showed that durative events took longer to process than non-durative events and that the duration attributed to the stimulus events correlated with on-line processing times. Studies 5 and 6 indicated that durative events occur in semantically more diverse contexts and elicit semantically more diverse associations than non-durative events. Semantic and contextual diversity also correlated with attributed durations and processing times. Results indicate that (a) event-specific durations are computed on-line from multiple unfolding cues, (b) processing cost and duration representations emerge from semantic and contextual diversity reflecting our experience, and (c) key components of duration representations may be situation-specific knowledge of causal and contingency relations between events. 相似文献
142.
Alf Børre Kanten 《Journal of experimental social psychology》2011,47(6):1037-1047
Construal level theory (Trope & Liberman, 2010) contends that distance to events leads to higher level processing. In a series of studies, we examined the role of construal level in prediction of the time needed to perform a task. Estimates increased when the tasks were distant rather than close in time (Study 1), were hypothetical rather than real (Study 2), and when participants were primed to adopt an abstract rather than a concrete mindset (Study 3). As a possible explanation, it is suggested that time units are perceived as smaller as people move up in abstraction, so that more time units are needed to cover the same amount of work. In line with this, we found that people who were primed to adopt a higher level processing mode visualized an hour as shorter than those in a lower level mode, as indicated by their distance marks on a time-line (Study 4). Finally, the contraction of time units was shown to mediate the relationship between temporal distance and task duration estimates (Study 5). 相似文献
143.
工作记忆会影响时距加工吗?这是一个值得关注的问题。为此,该研究采用双任务范式,选择1~6秒为考察对象,操纵时距编码阶段的工作记忆负荷,以平均复制时距、比率分数及差异系数为因变量指标,旨在探讨不同工作记忆负荷对时距加工的影响。结果发现,1秒、2秒、3秒平均复制长度、复制准确性及变异性不随记忆负荷的大小而变化,4秒、5秒及6秒的平均复制长度随着记忆负荷变大而缩短、复制准确性随着记忆负荷变大而降低、复制变异性随着记忆负荷变大而增大。这意味着工作记忆对时距加工影响具有选择性,可以由时距加工分层机制假说得以解释。 相似文献
144.
145.
《Quarterly journal of experimental psychology (2006)》2013,66(10):1986-2009
University students performed lexical tasks with visually presented target words after the presentation of an identical or unrelated prime, at short (80–120?ms) or longer (410–710?ms) prime–target stimulus onset asynchronies (SOAs). Experiment 1 showed perceptual identification benefits in vocal responding at a short SOA that were reduced (accuracy) or reversed (latency) at a longer SOA. Experiment 2 showed a transition from a repetition benefit to a cost over 3 SOAs in a target-masked version of the lexical decision task (LDT; target displayed for only 141?ms). In Experiment 3 the repetition cost was replicated at a 530-ms SOA in the LDT with masked targets, but a repetition benefit was observed in the conventional LDT (target displayed until response). The dependence of repetition costs on target masking is more consistent with biases based on episodic confusions than refractoriness of lexical representations. 相似文献
146.
In this study, we investigate the interrelationship between clinical variables and working memory (WM) in Parkinson’s disease (PD). Specifically, the aim of the study was to investigate the relationship between disease duration, dopaminergic medication dosage, and motor disability (UPDRS score) with WM in individuals with PD. Accordingly, we recruited three groups of subjects: unmedicated PD patients, medicated PD patients, and healthy controls. All subjects were tested on three WM tasks: short-delay WM, long-delay WM, and the n-back task. Further, PD encompasses a spectrum that can be classified either into akinesia/rigidity or resting tremor as the predominant motor presentation of the disease. In addition to studying medication effects, we tested WM performance in tremor-dominant and akinesia-dominant patients. We further correlated WM performance with disease duration and medication dosage. We found no difference between medicated and unmedicated patients in the short-delay WM task, but medicated patients outperformed unmedicated patients in the long-delay WM and n-back tasks. Interestingly, we also found that akinesia-dominant patients were more impaired than tremor-dominant patients at various WM measures, which is in agreement with prior studies of the relationship between akinesia symptom and basal ganglia dysfunction. Moreover, the results show that disease duration inversely correlates with more demanding WM tasks (long-delay WM and n-back tasks), but medication dosage positively correlates with demanding WM performance. In sum, our results show that WM impairment in PD patients depend on cognitive domain (simple vs. demanding WM task), subtype of PD patients (tremor- vs. akinesia-dominant), as well as disease duration and medication dosage. Our results have implications for the interrelationship between motor and cognitive processes in PD, and for understanding the role of cognitive training in treating motor symptoms in PD. 相似文献
147.
148.
Esther Yuet Ying Lau Mark Lawrence Wong Benjamin Rusak Yeuk Ching Lam Yun Kwok Wing Chia-huei Tseng 《Psychology & health》2013,28(10):1196-1213
AbstractObjective: To examine how risk-related decision making might be associated with habitual sleep variables, including sleep variability, sleep duration and perceived sleep need in young adults cross-sectionally and longitudinally.Design: 166 participants completed a 7-day protocol with sleep and risk-related decision-making measures at baseline (T1) and 12 months later (T2).Results: Habitual short sleep duration (averaging < 6?h nightly) was identified in 11.0% in our sample. After controlling for baseline demographic factors and risk-taking measures, self-reported sleep need at T1 interacted with habitual short sleep in predicting risk taking at follow-up (F8,139=9.575, adjusted R2=.431, p<.001). T1 greater perceived sleep need predicted more risk taking among short sleepers, but decreased risk taking among normal sleepers at T2. Variable sleep timing was cross-sectionally correlated with making more Risky choices at baseline and fewer Safe choices after loss at follow up.Conclusions: Young adults with variable sleep timing and those with short sleep duration coupled with high perceived sleep need were more likely to take risks. The moderating effects of perceived sleep need suggest that individual differences may alter the impact of sleep loss and hence should be measured and accounted for in future studies. 相似文献
149.
Claudia Borchers Dabila Ouattara Christian Vollmer 《Journal of Psychology in Africa》2013,23(4):350-355
This study investigated the sleep-wake rhythm and chronotype of people living in Côte d'Ivoire. We assessed sleep-wake behaviour in 556 adults (336 men, 220 women) between 25 and 54 years (mean: 38.63) by means of structured interviews. Data were analysed by linear models with sleep wake variables as dependent variables and age, gender, religion and region (urban/rural) as fixed factors controlling for number of working hours and children. Results suggest sleep length not to differ between weekdays and weekends but sleep timing (chronotype) was later on weekends with a midpoint of sleep at 1:37am during weekdays compared to 1:58am on weekends. The more children, the earlier was the midpoint of sleep and the shorter was sleep length. Midpoint of sleep was earlier in older people. Women slept longer during weekdays and were earlier chronotypes. Sleep duration was longer in the rural areas and midpoint of sleep was later in the urban areas on weekdays and on the weekend. Muslims showed the shortest sleep duration and were earliest chronotypes. Sleep-wake cycles in the African setting sample were shorter for women, Moslems, and older people. 相似文献
150.
Heather C. Robertson 《Journal of Employment Counseling》2013,50(1):26-33
This study examined experienced military members (N= 136, average age 51 years) transitioning to a 2nd occupation, specifically K–12 teaching, and revealed correlations between the length of their transition to both perceived support and income. Perceived support from family and friends had a small, positive correlation with transition time (r= .31), while income had a small, negative correlation with transition time (r=?.28). The Career Transitions Inventory ( Heppner, 1991 ), the Satisfaction with Life Scale ( Diener, Emmons, Larsen, & Griffin, 1985 ), demographic questions, and open‐ended questions were used. Implications for career counselors working with transitioning military members are discussed, along with future implications for research and practice. 相似文献