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11.
Reaction times of younger and older men and temporal contingencies of reinforcement 总被引:3,自引:3,他引:0
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Influences of extended training and temporal contingencies on reaction time were studied in relation to developmental differences. Older and younger men were trained on a chained schedule in which completion of a variable interval produced a terminal link in which reaction time was measured. The reaction-time procedure involved a conditional discrimination with matching to sample in one component and oddity matching in the other. During baseline training, no time limit was placed on the response to the discrimination choice stimuli. Subsequently, increasingly severe time limits were imposed over a series of sessions. Older and younger men showed increased speeds (decreased reaction times) when temporal contingencies were imposed, and these changes were maintained during post-training baseline sessions when there was unlimited time in which to respond. The younger men generally responded faster than the older ones, and age differences were not appreciably reduced during the course of the experiment. The results indicated the feasibility of studying reaction time in human subjects using operant procedures analogous to those developed for the study of nonverbal organisms. 相似文献
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Cláudio Laks Eizirik 《The International journal of psycho-analysis》2010,91(2):371-375
The author discusses current convergences and divergences concerning analytic practice. After presenting a clinical vignette that can be understood differently according to different theoretical approaches, he discusses Wallerstein’s proposal of a common ground in psychoanalysis and suggests that the present state of the art indicates that psychoanalysis is a pluralistic discipline, with different ways of training and practising it, and that the main challenge is to improve our ability to listen to and to learn from different approaches. 相似文献
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总结分析了201 2年1月~2013年5月国外4种医学专业杂志(BMJ、JAMA、LANCET和NEJM)医学人文相关文章的发表情况,并与国内4种知名医学专业杂志(《中华医学杂志》、《中国实用内科杂志》、《中华内科杂志》和《中华外科杂志》)发表的医学人文类文章的情况进行对比分析,结果发现,国外医学专业杂志医学人文类文章比重较大,而且涉及的领域较广,包括医疗卫生政策管理、医学社会学、对患者及医生的人文关怀、医疗风险告知和医疗差错告知的文章.而国内与国外杂志相比存在较大差距. 相似文献
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To systematically examine the relation between motor milestone onset and disruption of night sleep in infancy, three families kept microgenetic, prospective, daily checklist diaries of their infants’ motor behavior and sleep (197-313 observation days; 19,000 diary entries). Process control and interrupted time series analyses examined whether deviations from the moving average for night wakings and evening sleep duration were temporally linked to motor skill onset and tested for meaningful differences in individual sleep patterns before and after skill onset. Model assumptions defined skill onset as first day of occurrence or as mastery and moving average windows as 3, 7, or 14 days. Changes in infants’ sleep patterns were associated with changing expertise for motor milestones. The temporal relation varied depending on infant and sleep parameter. Intensive longitudinal data collection may increase our understanding of micro-events in infant development. 相似文献
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本研究采用学习-再认范式和复杂数字记忆材料,考察自然数码奇象记忆法相对于机械记忆法在记忆提取上的优势及神经机制。行为结果表明,自然数码奇象记忆法比机械记忆法的再认准确率更高。事件相关电位分析结果显示,再认提取阶段奇象记忆条件下诱发的N400和N700波幅显著更低,这说明奇象记忆提取更容易。在自然数码奇象记忆条件下,正确再认旧数字诱发的前额区、左顶枕叶区及中顶枕叶区N700成分与使用自然数码奇象记忆有关。本研究表明,采用自然数码奇象记忆可以减少或跨越语义加工,从而提高个体对材料的记忆效率。 相似文献
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Visual perspective (first-person vs. third-person) is a salient characteristic of memory and mental imagery with important cognitive and behavioural consequences. Most work on visual perspective treats it as a unidimensional construct. However, third-person perspective can have opposite effects on emotion and motivation, sometimes intensifying these and other times acting as a distancing mechanism, as in PTSD. For this reason among others, we propose that visual perspective in memory and mental imagery is best understood as varying along two dimensions: first, the degree to which first-person perspective predominates in the episodic imagery, and second, the degree to which the self is visually salient from a third-person perspective. We show that, in episodic future thinking, these are anticorrelated but non-redundant. These results further our basic understanding of the potent but divergent effects visual perspective has on emotion and motivation, both in everyday life and in psychiatric conditions. 相似文献
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《Revue Européene de Psychologie Appliquée》2021,71(6):100709
IntroductionOrganizations which engage in the promotion of well-being are likely to prevent mental health issues in workers. Mindfulness-based interventions offer new perspectives to increase well-being at work. However, the issue of finding time and framework to practice at work is important. Recent studies suggested that informal mindfulness practices could be useful in reducing stress and increasing well-being.ObjectiveThe present study aimed to study how the duration and type of mindfulness practice may enhance employees’ well-being.MethodA multi-method (qualitative and quantitative), controlled pre/post design study (N = 72) was conducted to collect data about the type of preferred mindfulness practices used during an 8-week MBSR program, and to analyse the effects of the program on employees’ well-being. Number of sessions, number of days of practice, and practice time per day were used as moderators.ResultsParticipants reported a preferential use of brief, informal practices. Employees who followed the MBSR program reported higher levels of well-being compared to the wait-list control group (η2 = .194). Those who preferentially used informal practices showed the same increase in well-being as those who reported preferentially using formal practices. The number of days of practice did not moderate the effect of the intervention on well-being.ConclusionBrief and informal mindfulness practices appear to be a promising means of increasing well-being in everyday life. Further research is needed to compare an 8-week mainly informal mindfulness-based program to a classical MBSR program to identify whether informal practices may be sufficient to increasing employees’ well-being. 相似文献
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《Pratiques Psychologiques》2021,27(4):261-278
IntroductionPsychological difficulties are part of higher stakes health issues. What are the real effects and the difficulties to generate results of psychotherapies?Literature resultsPsychotherapy is efficient for multiple psychological disorders, as well in controlled as in naturalistic studies, and participate in reduction of health expenditure. However, all patients do not get real benefits from care, patients can deteriorate or drop-out treatment, and persistent side effects can occur; clinicians overestimate their efficiency and their performances decline during their career. Two promising methodologies seems to be associated with better outcomes: Routine Outcome Monitoring (ROM) and a specific form of training clinician expertise named “Deliberate Practice”.DiscussionUsing client feedback allows to implement ROM and “Deliberate Practice” in routine care.ConclusionImplementation of Routine Outcome Monitoring should be encouraged in French Speaking countries to produce evidence-informed practice for the delivering, the improvement and the payment for psychotherapy expenditure. 相似文献
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Alice van de Walle de Ghelcke Xanthi Skoura Martin Gareth Edwards Patrick Quercia Charalambos Papaxanthis 《Journal of Neuropsychology》2021,15(2):215-234
Developmental dyslexia (DD), a severe and frequent disorder of reading acquisition, is characterized by a diversity of cognitive and motor deficits whose interactions still remain under debate. Although deficits in the automatization of sensorimotor control have been highlighted, internal action representation allowing prediction has never before been investigated. In this study, we considered action representation of 18 adolescents with pure DD and 18 age-matched typical readers. Participants actually and mentally performed a visually guided pointing task involving strong spatiotemporal constraints (speed/accuracy trade-off paradigm). While actual and mental movement times of typical readers were isochronous and both conformed to Fitts’ law, the movement times of dyslexics differed between conditions, and only the actual movement times conformed to Fitts’ law. Furthermore, the quality of motor imagery correlated with word reading abilities. This suggests that the process of action representation is impaired in pure DD and supports the sensorimotor perspective of DD. Theoretical implications are discussed. 相似文献