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1.
Infants have a bandwidth-limited object working memory (WM) that can both individuate and identify objects in a scene, (answering ‘how many?’ or ‘what?’, respectively). Studies of infants’ WM for objects have typically looked for limits on either ‘how many’ or ‘what’, yielding different estimates of infant capacity. Infants can keep track of about three individuals (regardless of identity), but appear to be much more limited in the number of specific identities they can recall. Why are the limits on ‘how many’ and ‘what’ different? Are the limits entirely separate, do they interact, or are they simply two different aspects of the same underlying limit?We sought to unravel these limits in a series of experiments which tested 9- and 12-month-olds’ WM for object identities under varying degrees of difficulty. In a violation-of-expectation looking-time task, we hid objects one at a time behind separate screens, and then probed infants’ WM for the shape identity of the penultimate object in the sequence. We manipulated the difficulty of the task by varying both the number of objects in hiding locations and the number of means by which infants could detect a shape change to the probed object. We found that 9-month-olds’ WM for identities was limited by the number of hiding locations: when the probed object was one of two objects hidden (one in each of two locations), 9-month-olds succeeded, and they did so even though they were given only one means to detect the change. However, when the probed object was one of three objects hidden (one in each of three locations), they failed, even when they were given two means to detect the shape change. Twelve-month-olds, by contrast, succeeded at the most difficult task level.Results show that WM for ‘how many’ and for ‘what’ are not entirely separate. Individuated objects are tracked relatively cheaply. Maintaining bindings between indexed objects and identifying featural information incurs a greater attentional/memory cost. This cost reduces with development. We conclude that infant WM supports a small number of featureless object representations that index the current locations of objects. These can have featural information bound to them, but only at substantial cost.  相似文献   

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Using only legal sanctions to manage the speed at which people drive ignores the potential benefits of harnessing social factors such as the influence of others. Social influences on driving speeds were explored in this qualitative examination of 67 Australian drivers. Focus group interviews with 8 driver types (young, mid-age and older males and females, and self-identified Excessive and Rare speeders) were guided by Akers’ social learning theory (Akers, 1998). Findings revealed two types of influential others: people known to the driver (passengers and parents), and unknown other drivers. Passengers were generally described as having a slowing influence on drivers: responsibility for the safety of people in the car and consideration for passenger comfort were key themes. In contrast, all but the Rare speeders reported increasing their speed when driving alone. Parental role modelling was also described. In relation to other drivers, key themes included speeding to keep up with traffic flow and perceived pressure to drive faster. This ‘pressure’ from others to ‘speed up’ was expressed in all groups and reported strategies for managing this varied. Encouragingly, examples of actual or anticipated social rewards for speeding were less common than examples of social punishments. Three main themes relating to social punishments were embarrassment, breaching the trust of others, and presenting an image of a responsible driver. Impression management and self-presentation are discussed in light of these findings. Overall, our findings indicate scope to exploit the use of social sanctions for speeding and social praise for speed limit compliance to enhance speed management strategies.  相似文献   

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The paper will focus upon the issue of saintly presence and the ways in which this is felt, experienced and enacted at the pilgrimage centre of Padre Pio. This issue will be examined in relation to the material and spatial structures of the pilgrimage centre and in particular the Sanctuary of Santa Maria delle Grazie, at the crypt of which the tomb of Padre Pio was until recently emplaced. In examining the issue of saintly presence in relation to the sanctuary's materiality, the paper will also explore the relationship of two of the dimensions Eade and Sallnow ([1991] 2000, ‘Introduction’, in Contesting the Sacred: The Anthropology of Christian Pilgrimage., 2nd ed., edited by John Eade and Michael J. Sallnow, 1–29, Urbana: University of Illinois) propose for the examination of pilgrimage, namely person and place. Drawing on ethnographic data gathered during fieldwork (2004–2005), it will argue that the feeling of saintly presence is mainly generated by the knowledge people have of Padre Pio having lived and being buried there. This knowledge shapes their pilgrimage experience.  相似文献   

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With advancing age, episodic memory performance shows marked declines along with concurrent reports of lower subjective memory beliefs. Given that normative age-related declines in episodic memory co-occur with declines in other cognitive domains, we examined the relationship between memory beliefs and multiple domains of cognitive functioning. Confirmatory bi-factor structural equation models were used to parse the shared and independent variance among factors representing episodic memory, psychomotor speed, and executive reasoning in one large cohort study (Senior Odyssey, N = 462), and replicated using another large cohort of healthy older adults (ACTIVE, N = 2802). Accounting for a general fluid cognitive functioning factor (comprised of the shared variance among measures of episodic memory, speed, and reasoning) attenuated the relationship between objective memory performance and subjective memory beliefs in both samples. Moreover, the general cognitive functioning factor was the strongest predictor of memory beliefs in both samples. These findings are consistent with the notion that dispositional memory beliefs may reflect perceptions of cognition more broadly. This may be one reason why memory beliefs have broad predictive validity for interventions that target fluid cognitive ability.  相似文献   

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Delegates at the 2003 AULRE conference were asked to consider the features of a ‘religiate’ pupil, that is, what would we expect of pupils leaving school with a good religious education. This prompted a consideration of how far trainee primary teachers on a one‐year PGCE programme could be considered ‘religiate’. In the following article the findings of an investigation into the starting points of these trainees at the beginning of their Religious Education course are discussed.  相似文献   

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This paper explores the extent to which students on a vocational postgraduate programme identify with characteristics and competences that define a professional career guidance and counselling practitioner. Literature suggests professionalism in careers work is characterised by a focus on the needs of the client with the practitioner in a facilitative role. Competences are often couched in developmental terms, with practitioners moving from inexperienced to experienced. Students identified the most valued characteristics as adherence to professional values and ethical standards with an emphasis on person-centred practice. They recognised that competence was a developmental process, characterising themselves as at an early stage on completion of their course. Supporting the client took precedence over issues such as advocating for the profession, supporting employers and social responsibility. Generally, students saw completing a programme of study either as a beginning to a process of development of professionalism or as part of their professional development.  相似文献   

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This article introduces the main international ecumenical contacts of the Evangelical Lutheran Church of Finland (ELCF). The article shows how the ecumenical contacts shape the unique ecclesiology of the ELCF. According to its own ecumenical strategy, the ELCF wants to be the same church in all directions. Unlike Lutheran churches in other Nordic countries, the ELCF is not a state church, but a folk church. Its status from a majority church in a national state is rapidly changing to a majority religious body in a multicultural society. This requires a new kind of ecclesiology, too. This article claims that there are four inter-related issues that shape the ecclesial self-understanding of the ELCF as an ecumenically active folk church. These issues are emphasis on doctrinal unity, communion within the LWF and Porvoo Communion, the status of a decreasing majority folk church, and internal debates on socio-ethical issues, especially those related to sexuality.  相似文献   

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There is little research examining whether the selection of emotion regulation strategies is compromised among individuals characterised by emotion dysregulation. In a sample of 149 undergraduates, we examined the selection and effectiveness of 2 emotion regulation strategies (reappraisal or distraction) in response to emotionally evocative stimuli, and their relationship with emotion dysregulation, measured by borderline personality disorder (BPD) feature severity. Stimulus intensity and self-reported negative emotional intensity were also compared as predictors of strategy selection. Results indicated that self-reported negative emotional intensity was a stronger predictor of strategy selection than stimulus intensity, and participants generally selected reappraisal over distraction. However, increases in self-reported negative emotional intensity was associated with an increased likelihood of choosing distraction, particularly among individuals higher in BPD features. In general, distraction exhibited less effectiveness than reappraisal, and higher BPD features did not differentially impact such effectiveness. Our findings indicate that individuals higher in emotion dysregulation prefer to use distraction as self-reported negative emotional intensity increases, a strategy which, overall, may not be as effective as reappraisal. Selection, rather than effectiveness of emotion regulation strategy might be a key feature of individuals characterised by emotion dysregulation.  相似文献   

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Popper's critical rationalism is widely accepted under scientists and philosophers of science as a proper method for the reconstruction of scientific theories. On occasion of the application of the Popperian ideas for the reconstruction of chemistry by Akeroyd the flaws of the critical rationalist approach are criticised and a methodical alternative is proposed, involving the operational definition of scientific terms. This revised version was published online in July 2006 with corrections to the Cover Date.  相似文献   

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