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61.
Malcolm B. Dick Ross Andel Josh Bricker Jose Brian Gorospe Susie Hsieh Cordula Dick-Muehlke 《Neuropsychology, development, and cognition. Section B, Aging, neuropsychology and cognition》2013,20(2):120-136
Three experiments examined the role of visual feedback on the performance of a fine motor task, namely the rotary pursuit, in patients with Alzheimer's disease (AD) and healthy older adults. After extensive practice tracking a fully visible target, participants in Experiments 1 and 2 were tested under restricted vision (RV) conditions. In both experiments, the two groups showed a drop in performance when vision was restricted, with AD patients showing a significantly larger decline. Tracking improved significantly in normal controls, but not AD patients across the RV trials after the initial drop. When difficulty of the rotary pursuit task was manipulated in Experiment 3 without restricting vision, AD patients and normal controls showed identical patterns of performance. Consequently, it could be concluded that AD patients in the first two experiments were relying more heavily on visual information for accurate performance of the tracking task than their healthy peers. 相似文献
62.
Karl A. Hutton Chris G. Sibley David N. Harper Maree Hunt 《Transportation Research Part F: Traffic Psychology and Behaviour》2001,4(4)
A feedback programme was employed to help drivers improve their safety behaviour based on the idea that particular types of driver error result from contingency traps as defined by Fuller [Journal of Applied Behaviour Analysis, 24 (1991) 73]. Two drivers and their single respective passengers participated. For each driver, repeated in-car observations were made of four unsafe driving behaviours. Two of these were sequentially targeted in the behavioural intervention that involved the passengers providing informational feedback to their driver. Both drivers showed a marked improvement across the targeted behaviours. The study demonstrated the applicability of behaviour analysis to the traffic domain and the efficacy of individual feedback as a behavioural tool for positive behaviour modification. 相似文献
63.
64.
Josh Parsons 《The Philosophical quarterly》2002,52(206):1-20
I attempt to characterize the A-theory of time in such a way as to avoid certain standard objections to it, like those derived from McTaggart's paradox. These objections often arise from conflation of the A-theory with other doctrines which are not entailed by it, but which happen to be held by individual A-theorists. In my view, the A-theory is most defensible when combined with a certain analysis of tense (which I call 'the counterfactual theory of tense'), and with realism about the past and future. 相似文献
65.
Claude H. Miller Bobi Ivanov Jeanetta Sims Josh Compton Kylie J. Harrison Kimberly A. Parker James L. Parker Joshua M. Averbeck 《人类交流研究》2013,39(1):127-155
The efficacy of inoculation theory has been confirmed by decades of empirical research, yet optimizing its effectiveness remains a vibrant line of investigation. The present research turns to psychological reactance theory for a means of enhancing the core mechanisms of inoculation—threat and refutational preemption. Findings from a multisite study indicate reactance enhances key resistance outcomes, including: threat, anger at attack message source, negative cognitions, negative affect, anticipated threat to freedom, anticipated attack message source derogation, perceived threat to freedom, perceived attack message source derogation, and counterarguing. Most importantly, reactance‐enhanced inoculations result in lesser attitude change—the ultimate measure of resistance. 相似文献
66.
Roediger and McDermott (1995) rejuvenated interest in Deese’s (1959) paradigm for producing reliable intrusions and false alarms. Using this paradigm in three experiments, we demonstrated that visual study presentation dramatically reduces the rate of false memories. Only auditory study presentation resulted in equal production of studied and critical items. Correct recall and recognition were unaffected. The suggestion that visual presentation provides a means for discriminating between false and true memories was supported by Experiment 3: Pleasantness rating of study items significantly reduced the creation of false memories regardless of modality. 相似文献
67.
The relationship between emesis and taste aversion learning was studied in ferrets (Mustela putorius furo) following exposure to ionizing radiation (50-200 cGy) or injection of lithium chloride (1.5-3.0 mEq/kg, ip). When 10% sucrose or 0.1% saccharin was used as the conditioned stimulus, neither unconditioned stimulus produced a taste aversion, even when vomiting was produced by the stimulus (Experiments 1 and 2). When a canned cat food was used as the conditioned stimulus, lithium chloride, but not ionizing radiation, produced a taste aversion (Experiment 3). Lithium chloride was effective in producing a conditioned taste aversion when administration of the toxin was delayed by up to 90 min following the ingestion of the canned cat food, indicating that the ferrets are capable of showing long-delay learning (Experiment 4). Experiment 5 examined the capacity of amphetamine, which is a qualitatively different stimulus than lithium chloride or ionizing radiation, to produce taste aversion learning in rats and cats as well as in ferrets. Injection of amphetamine (3 mg/kg, ip) produced a taste aversion in rats and cats but not in ferrets which required a higher dose (> 5 mg/kg). The results of these experiments are interpreted as indicating that, at least for the ferret, there is no necessary relationship between toxin-induced illness and the acquisition of a CTA and that gastrointestinal distress is not a sufficient condition for CTA learning. 相似文献
68.
A study was conducted to identify codes of nonverbal behavior which could be used by interviewers in a standard field interview to systematically assess deception and emotional states of respondents. Ten male and 10 female subjects were interviewed on topics that had been pretested to arouse in them pleasant involvement, passivity, and unpleasant involvement. Subjects were also instructed to lie to the interviewer on issues of importance to them. Eye contact was measured by observation through a one-way mirror. Smiles, gestures, self-manipulations and postural shifts were scored from videotapes of the interview. The most distinctive patterns of nonverbal cues occurred with unpleasant-involvement and deception questions. The former state was characterized by increases in smiling, self-manipulations, and postural shifts. Deception responses were marked by decreases in smiling and increases in self-manipulations and postural shifts. Results also suggested that eye contact functioned as an intensifier of affect. 相似文献
69.
Nancy W. King Edward L. Hunt Richard D. Castro Richard D. Phillips 《Behavior research methods》1974,6(6):535-540
Experiments were conducted to establish training procedures and testing conditions that produce uniform and reliable swimming performance of rats in an automated swim alley. Data are given on the effect of water temperature and of platform rest interval on swimming speeds. In this system, rats will swim intermittently for as long as 24 h for a distance of more than 7 km. 相似文献
70.
Despite its potential for radically reducing the harm inflicted on nonhuman animals in the pursuit of food, there are a number of objections grounded in animal ethics to the development of in vitro meat. In this paper, I defend the possibility against three such concerns. I suggest that worries about reinforcing ideas of flesh as food and worries about the use of nonhuman animals in the production of in vitro meat can be overcome through appropriate safeguards and a fuller understanding of the interests that nonhuman animals actually possess. Worries about the technology reifying speciesist hierarchies of value are more troublesome, however. In response to this final challenge, I suggest that we should be open not just to the production of in vitro nonhuman flesh, but also in vitro human flesh. This leads to a consideration of the ethics of cannibalism. The paper ultimately defends the position that cannibalism simpliciter is not morally problematic, though a great many practices typically associated with it are. The consumption of in vitro human flesh, however, is able to avoid these problematic practices, and so should be considered permissible. I conclude that animal ethicists and vegans should be willing to cautiously embrace the production of in vitro flesh. 相似文献