Frequency effects with visual words and syllables in a dyslexic reader

The present study investigated the nature of the inhibitory syllable frequency effect, recently reported for normal readers, in a German-speaking dyslexic patient. The reading impairment was characterized as a severe deficit in naming single letters or words in the presence of spared lexical processing of visual word forms. Three visual lexical decision experiments were conducted with the dyslexic patient, an unimpaired control person matched to the patient and a control group: Experiment 1 manipulated the frequency of words and word-initial syllables and demonstrated systematic effects of both factors in normal readers and in the dyslexic patient. The syllable frequency effect was replicated in a second experiment with a more strictly controlled stimulus set. Experiment 3 confirmed the patient's deficit in activating phonological forms from written words by demonstrating that a pseudohomophone effect as observed in the unimpaired control participants was absent in the dyslexic patient.     

Cache decision making: the effects of competition on cache decisions in Merriam's kangaroo rat (Dipodomys merriami)

Caching food is an economic, decision-making process that requires animals to take many factors into account, including the risk of pilferage. However, little is known about how food-storing animals determine the risk of pilferage. In this study, the authors examined the effect of a dominant competitor species on the caching and behavior of Merriam's kangaroo rat (Dipodomys merriami). The authors found that, as with conspecific competitors, kangaroo rats did not alter caching in response to the mere presence of a heterospecific competitor, but moved caches to an unpreferred area when the competitor's presence was paired with pilferage. These data suggest that Merriam's kangaroo rat assesses pilfer risk from actual pilferage by a competitor and adaptively alters cache strategy to minimize future risk.     

呼唤人性的医学——对医学人性化和人文化回归的企盼

当前 ,在医学领域尤其是临床医疗领域存在着严重的“人性淡漠”趋势 ,这一现象令人十分担忧 ,它不仅将严重阻碍医学自身的健康发展 ,而且会产生恶劣的社会影响。列举了当今医界带有普遍性的“人文精神贫乏症”的种种表现 ,在此基础上 ,深入剖析了这一现象背后的历史与现实、社会与个人的诸多原因。最后发出了“人性医学回归”的强烈呼唤 ,并提出了一些具体的且有现实意义的对策措施。     

Innovative problem-solving in a small,wild canid

Animal Cognition - Innovation — the ability to solve problems in a novel way — is not only associated with cognitive abilities and relative brain size, but also by noncognitive traits,...     

Three predictions of the economic concept of unit price in a choice context

Economic theory makes three predictions about consumption and response output in a choice situation: (a) When plotted on logarithmic coordinates, total consumption (i.e., summed across concurrent sources of reinforcement) should be a positively decelerating function, and total response output should be a bitonic function of unit price increases; (b) total consumption and response output should be determined by the value of the unit price ratio, independent of its cost and benefit components; and (c) when a reinforcer is available at the same unit price across all sources of reinforcement, consumption should be equal between these sources. These predictions were assessed in human cigarette smokers who earned cigarette puffs in a two-choice situation at a range of unit prices. In some sessions, smokers chose between different amounts of puffs, both available at identical unit prices. Individual subjects' data supported the first two predictions but failed to support the third. Instead, at low unit prices, the relatively larger reinforcer (and larger response requirement) was preferred, whereas at high unit prices, the smaller reinforcer (and smaller response requirement) was preferred. An expansion of unit price is proposed in which handling costs and the discounted value of reinforcers available according to ratio schedules are incorporated.     

Pediatric Health-Related Quality-of-Life Measurement Technology: Intersections between Science, Managed Care, and Clinical Care

The demand for health care outcomes assessment is increasing, driven by the proliferation of managed care as a form of health care financing. Providers, consumers, and payers can use health care outcomes to improve the efficiency and quality of care, spur performance improvement, and demonstrate accountability. This review introduces health outcomes and focuses on one particular outcome—pediatric health-related quality of life (HRQOL), exemplified by the PedsQL, a brief, practical, reliable, valid, and responsive measure of pediatric HRQOL. HRQOL measurement has the potential, in pediatric clinical practice, to improve assessment, clinical management, and treatment evaluation if practical, conceptual, and empirical challenges are addressed. These issues are discussed and directions for future research are described that would demonstrate the value of HRQOL measurement in pediatric clinical settings.     

死亡凸显对消费者体验性消费选择偏好的影响及其作用机制

消费者的决策心理与购买行为会受到周边环境暴露的死亡信息的影响发生变化。本文从意义维持模型出发,通过4个实验探讨了死亡凸显对消费者体验性消费选择偏好的影响及其作用机制。结果发现,死亡凸显情境下消费者更倾向选择体验性消费。进一步分析发现,死亡凸显通过降低消费者的生命意义感提高了其对体验性消费的选择偏好。同时,社会支持对此间接效应起到了缓冲作用。研究结果初步揭示,补偿生命意义感的缺失是死亡凸显增加体验性消费选择的潜在机制,这也为新冠疫情背景下的消费者决策行为干预提供了一定参考。     

Religious belief,age, and sexual orientation on attributions of younger and older gay and heterosexual men

Using 4 vignettes and 20 response items, this exploratory study investigated attributions about older or younger gay or heterosexual men with a history of multiple sex partners, substance abuse, and legal problems. The character is diagnosed with a terminal illness and two options for care: no treatment or an aggressive treatment protocol with a small chance of recovery. When controlling for respondents’ (N?=?324) religious identification, frequency of attendance at religious services, and ethno-cultural identification, a General Linear Model was significant (F?=?57.014, df?=?20, p?<?.001). Differences in the vignette responses centred on perceptions of quality of life, the character's lifestyle, and suicide.