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171.
Baumann Ana A. Abreu-Rodrigues Josele da Souza Alessandra Silva 《The Psychological record》2009,59(4):641-670
The Psychological Record - Four experiments compared the effects of self-rules and rules, and varied and specific schedules of reinforcement. Participants were first exposed to either several... 相似文献
172.
Schäble S Huston JP Barros M Tomaz C de Souza Silva MA 《Neurobiology of learning and memory》2012,97(2):235-240
Senktide, a potent neurokinin-3 receptor (NK3-R) agonist, increases acetylcholine (ACh) release in the striatum, the prefrontal cortex (Schäble et al., 2011), the amygdala and hippocampus, presumably via postsynaptic mechanisms. A promnestic action of NK3-R agonists has been described in a variety of learning/memory tasks. The memory-enhancing effects of NK3-R agonists and their activating influence on ACh suggest a possible role of the NK3-R in learning and memory via cholinergic modulation. Deterioration of the cholinergic system in the basal forebrain has been associated with learning and memory deficits and cholinergic agents have promnestic effects in a variety of learning paradigms. The anticholinergic drug, scopolamine, a muscarinic ACh receptor antagonist, incurs deficits in a variety of learning tasks and provides a useful tool to investigate the role of the cholinergic systems in mechanisms underlying learning and memory. The aim of this study was to ascertain the effect of the NK3-R agonist, senktide, in the scopolamine-induced deficit model. We hypothesized that senktide treatment would attenuate scopolamine-induced (subcutaneous – s.c. 0.75 mg/kg) memory impairment in three novelty preference paradigms based on spontaneous object exploration: namely object recognition, object–place recognition and object recognition for temporal order. Administration of senktide reversed the scopolamine-induced memory deficits by re-establishing object recognition (s.c. 0.2 mg/kg), object–place recognition (0.2 and 0.4 mg/kg), as well as object recognition for temporal order (0.4 mg/kg) in adult Wistar rats. These results indicate memory enhancing effects of senktide in animals subjected to scopolamine-induced memory impairments and indicate that the promnestic action of NK3-R agonists is mediated by muscarinic cholinergic mechanisms. 相似文献
173.
The "dangerous patient exception" to psychotherapist-patient privilege, adopted almost a decade before the celebrated case of Tarasoff v. Regents of the University of California (1976), was mentioned in a footnote to that decision in the context of an analogy. Although intended to permit testimony in civil commitment proceedings, this exception has been used to "criminalize" the Tarasoff duty in California. California courts eroded the privilege initially primarily to permit victims to sue psychotherapists and later to require psychotherapists to testify against their patients in criminal proceedings and appear to have confused evidentiary privilege and confidentiality. If consistent, similar reasoning in California in the future should allow therapists to testify against their patients if they were civilly committed in the past for dangerousness and attorneys to testify against their clients in criminal cases if at some earlier time they believed their clients represented a risk of future harm. Although most other jurisdictions may not word their privilege exceptions for civil commitment in the same way as California, most states have some type of privilege exception for civil commitment that could allow for such an interpretation. The United States Supreme Court in Jaffee v. Redmond (1996) found a psychotherapist-patient privilege, but stated in a footnote that an exception to the privilege would exist if a serious threat of harm to the patient could be averted only by means of disclosure by the therapist. Other jurisdictions have begun to consider these issues. Rather than being unique to California, similar reasoning could lead to the "criminalization" of Tarasoff in other jurisdictions and thereby compel therapists outside California to testify against their patients in criminal proceedings. 相似文献
174.
175.
The present short note aimed at further exploring data from a recent study showing socially modulated auditory contagious yawning in domestic dogs (Canis familiaris). Two independent observers further extended the analysis of all video recordings made in the previous study and coded both the number of yawns performed by the dogs and the frequencies or durations of stress-related behaviors exhibited throughout the presentation of familiar and unfamiliar yawns. By showing no significant difference between conditions in the frequencies or durations of the coded behaviors, nor any association between the number of yawns and the frequencies or durations of stress-related behaviors, results raised doubt on the stress-induced yawn hypothesis, thus supporting social modulation. The exact mechanism underlying contagious yawning, however, needs further research. 相似文献
176.
Miriam C. M. Rabelo Sueli Ribeiro Mota Cláudio Roberto Almeida 《Journal of Contemporary Religion》2009,24(1):1-18
The article deals with the religious experience of poor Pentecostal women from the city of Salvador, Northeast Brazil. In centering the discussion of this experience on bodily engagement in place—and on the body's attunement to place—this article seeks to capture the social and existential dimensions of the sensibilities which women develop as members of the religious community and thus to address the question of how the sense experiences, which are awakened and cultivated in this religious setting, help shape embodied forms of attention to oneself, to others, and to context. We contend that concrete embodied experience of divine power fostered in ritual favors training attention to context in search of signs of divine presence and helps give shape to a disposition which extends, to other people and places, the power that flows from Pentecostal women's bodies. 相似文献
177.
Rodrigo Ribeiro 《Phenomenology and the Cognitive Sciences》2013,12(2):337-366
How can we identify and estimate workers’ tacit knowledge? How can we design a personnel mix aimed at improving and speeding up its transfer and development? How is it possible to implement tacit knowledge sustainable projects in remote areas? In order to answer these questions, it is necessary to distinguish between types of tacit knowledge, to establish what they allow for and to consider their sources. It is also essential to find a way of managing the tacit knowledge ‘stock’ and distribution within the workforce. In short, a conceptual framework is needed to manage tacit knowledge. Based on previous works and 2 years of action research, this paper introduces such a framework and describes its partial application to support the pre-operational training and hiring in a large industrial plant in Brazil. Two contributions emerge from the research. First, the concept of ‘levels of similarity’ is introduced as a means to qualify the experience of workers and estimate the associated tacit knowledge. Second, the capability of carrying out three types of judgement properly and speedily is put forward as being a core ability of those who possess what has been called ‘collective tacit knowledge’ (Collins in Organ Stud 28(2):257–262, 2007). In practical terms, the results indicate the opportunity for companies to capitalize on the experience and tacit knowledge of their workers in a systematic way and with due recognition. Ultimately, positive impacts are expected in their absorptive capacity as well as in their management and human resources systems, accident prevention, productivity and the development of sustainable projects in remote areas. 相似文献
178.
S.A. Almeida S. R. P. Silva B. J. Sealy J. F. Watts 《Philosophical Magazine Letters》2013,93(4):319-324
Amorphous gallium nitride (a-GaN) has been synthesized for the first time by implanting gallium into amorphous silicon nitride (a-SiNx) films. The a-GaN is only formed when gallium is implanted into hydrogenated amorphous silicon nitride (a-SiNx:Hy) films with x > 1.5. The nitrogen concentration x of the substrate is varied by changing the feed-gas ratio during plasma-enhanced chemical vapour deposition of the nitride film. Using a pre-determined composition and implant condition, the implanted gallium is made to bond with the nitrogen to form a surface layer of a-GaN. Low-temperature annealing, compatible with large-area glass substrates, is then used to increase the thickness of the a-GaN and to transform more of the a-SiNx. X-ray photoelectron spectroscopy and Rutherford back-scattering spectroscopy have been used to examine the bond structure, composition and the depth profile of the synthesized material. 相似文献
179.
Paula L. Silva Steven Harrison Jeffrey Kinsella-Shaw M. T. Turvey Claudia Carello 《Ecological Psychology》2013,25(4):291-307
LW, an individual with a stroke-related motor impairment, was asked to perceive the lengths of rods of different mass distributions by dynamic touch. His impairment dictated that wielding was primarily about the shoulder rather than the wrist. Although perceived rod lengths were in the range of actual rod lengths, scaling to the objects' mass moments was atypical for both the affected and unaffected limbs. A group of healthy young adults asked to mimic his wielding style yielded the same atypical scaling. The typical scaling was restored when LW's wielding was fixed about a mechanical axis. Discussion considered what frame of reference is suitable for revealing an object's mass moments relevant to a given task. In particular, it appears that individuals can exploit alternative forms of interaction with environmental objects that leave invariant the parameters specifying to-be-perceived properties. Perception by dynamic touch is not a function of particular neuromuscular patterns but of information made available to the haptic system during limb-object interactions. 相似文献
180.
This study analyzes eating disordered behaviors in a sample of Portuguese athletes and explores its relationship with some psychological dimensions. Two hundred and ninety nine athletes (153 male, 51.2%) practicing collective (65.2%) or individual sports (34.8%) were included. The assessment protocol included the Eating Disorder Examination Questionnaire (EDE-Q) (Fairburn & Beglin, 1994); the Sport Condition Questionnaire (Bruin et al., 2007; Hall et al., 2007); the Sport Anxiety Scale (Smith et al., 2006); the Task and Ego Orientation in Sport Questionnaire (Duda, 1992; Duda & Whitehead, 1998); the Cognitive Evaluation of Sport-Threat Perceptions (Cruz, 1994; Lazarus, 1991); and the Self-Presentation Exercise Questionnaire (Gammage et al., 2004). Results revealed that: i) no case of clinical significance was detected in the four dimensions of the EDE-Q simultaneously; ii) females scored higher on the EDE-Q Global Score, and athletes with the better sport results scored higher on the Restraint subscale; iii) athletes with a higher desire to weigh less scored higher on the EDE-Q Global Score; iv) athletes with lower scores on EDE-Q displayed more positive results on the psychological measures; v) several psychological dimensions were identified as predictors of eating disordered behaviors. In conclusion, the prevalence of eating disordered behaviors was negligible in this study, yet the relationship of this problem with personal, sport and psychological factors was evident. 相似文献