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171.
Research suggests that including leisure items in the attention condition of a functional analysis may produce engagement that masks sensitivity to attention. In this study, 4 individuals' initial functional analyses indicated that behavior was maintained by nonsocial variables (n = 3) or by attention (n = 1). A preference assessment was used to identify items for subsequent functional analyses. Four conditions were compared, attention with and without leisure items and control with and without leisure items. Following this, either high- or low-preference items were included in the attention condition. Problem behavior was more probable during the attention condition when no leisure items or low-preference items were included, and lower levels of problem behavior were observed during the attention condition when high-preference leisure items were included. These findings suggest how preferred items may hinder detection of behavioral function. 相似文献
172.
173.
Jackie Andrade Eva Kemps Yves Werniers Jon May Arnaud Szmalec 《The Quarterly Journal of Experimental Psychology Section A: Human Experimental Psychology》2002,55(3):753-774
Several authors have hypothesized that visuo-spatial working memory is functionally analogous to verbal working memory. Irrelevant background speech impairs verbal short-term memory. We investigated whether irrelevant visual information has an analogous effect on visual short-term memory, using a dynamic visual noise (DVN) technique known to disrupt visual imagery (Quinn & McConnell, 1996b). Experiment 1 replicated the effect of DVN on pegword imagery. Experiments 2 and 3 showed no effect of DVN on recall of static matrix patterns, despite a significant effect of a concurrent spatial tapping task. Experiment 4 showed no effect of DVN on encoding or maintenance of arrays of matrix patterns, despite testing memory by a recognition procedure to encourage visual rather than spatial processing. Serial position curves showed a one-item recency effect typical of visual short-term memory. Experiment 5 showed no effect of DVN on short-term recognition of Chinese characters, despite effects of visual similarity and a concurrent colour memory task that confirmed visual processing of the characters. We conclude that irrelevant visual noise does not impair visual short-term memory. Visual working memory may not be functionally analogous to verbal working memory, and different cognitive processes may underlie visual short-term memory and visual imagery. 相似文献
174.
Clare Amos 《Islam & Christian-Muslim Relations》2006,17(3):269-279
This article looks first at how the institution of marriage has been, and currently is, understood by Anglican Christians, with a particular focus on the Church of England. It contrasts the ‘older’ understanding of marriage, as expressed in the Book of Common Prayer, with more contemporary liturgies. It then seeks to explore whether this clear development during the last 100 years in the understanding of marriage means that there is scope for opening up discussion about alternatives to marriage such as intentional singleness, cohabitation and same-sex relationships. Particular attention is given to the discussion at the Lambeth Conference of Anglican bishops, meeting in 1998, and to a key Church of England report, Issues in Human Sexuality. 相似文献
175.
Martin Sticht Jackie Mitsubata Mark Tucci Francesco Leri 《Neurobiology of learning and memory》2010,93(2):248-260
To investigate the effect of naloxone on a putative memory consolidation process underlying reacquisition of heroin and cocaine conditioned place preference, four studies were conducted in male Sprague–Dawley rats using a common procedure involving: place conditioning (0.3 or 1 mg/kg heroin or 20 mg/kg cocaine; ×4 sessions), extinction (vehicle × 4 sessions), and reconditioning (0 or 1 mg/kg heroin or 20 mg/kg cocaine; ×1 session). Systemic naloxone injections (0, 1 and 3 mg/kg) or bilateral intra-ventral tegmental area (VTA) naloxone methiodide infusions (2 nmol in 0.5 μl × side) were administered at different times following reconditioning. Post-reconditioning administration of naloxone dose-dependently blocked, attenuated and had no effect on reacquisition of heroin CPP when administered immediately, 1 h and 6 h after reconditioning, respectively. The highest dose of naloxone also blocked reacquisition of cocaine CPP, and did not produce a conditioned place aversion in heroin-naïve and heroin pre-treated animals. Post-reconditioning infusions in the VTA, but not in adjacent structures, blocked reacquisition of heroin CPP when administered immediately, but not 6 h, after reconditioning. These data suggest that reacquisition of drug-cues associations involves a memory consolidation process sensitive to manipulations of the endogenous opioid system, and indicate that opioid receptors in the VTA may be critically involved in the re-emergence of drug seeking behavior. 相似文献
176.
Veronica Laxon Jackie Masterson Alison Gallagher Julia Pay 《The Quarterly Journal of Experimental Psychology Section A: Human Experimental Psychology》2002,55(2):543-565
In Experiment 1 children aged 8-9 and 9-10 years were tested for neighbourhood and pseudohomophone effects in nonword reading. Neighbourhood effects ( N effects) were robust irrespective of group or type of nonword. Pseudohomophones were read more accurately than other nonwords but this finding was robust only for the younger 8-9-year-olds. High-frequency words were read more accurately than low-frequency words, but the reverse applied to pseudohomophones based on high- and low-frequency words, although this was not robust. Error rates for the 9-10-year-olds in Experiment 1 were low, and so it was difficult to interpret the lack of a pseudohomophone advantage for reading nonwords in this age group. Experiment 2 was therefore carried out, which consisted of a replication of the first study with a further group of 9- 10-year-olds, but pronunciation latencies were measured, as well as accuracy. All the effects obtained in Experiment 1 were replicated but, in addition, an advantage for pseudohomophones in terms of pronunciation latencies was observed. The implications for accounts of reading development are discussed. 相似文献
177.
178.
Alan Baddeley Jackie Andrade 《The Quarterly Journal of Experimental Psychology Section A: Human Experimental Psychology》1994,47(4):1047-1054
Caplan, Rochon, and Waters (1992) report a failure to observe the poorer immediate serial recall for words of longer spoken duration obtained by Baddeley, Thomson, and Buchanan (1975) and subsequently replicated by others. Indeed, they find a significant reversal of this effect. We present evidence that the material used by Caplan et al. differs only minimally in spoken duration under speeded articulation conditions (Exp. 1 = 1.9%, Exp 2 = 2.31%), in contrast to a clear difference in the case of the original Baddeley et al. material (24.5%). It is further suggested that the reversal of the word-length effect may result from differences in acoustic similarity between the “long” and “short” word sets used by Caplan et al. We conclude that the evidence continues to indicate that longer spoken duration is associated with reduced memory span. 相似文献
179.
Amos Nkrumah 《Journal of International Migration and Integration》2018,19(1):195-211
Immigrant entrepreneurship comes in two forms: domestic and transnational entrepreneurship. Domestic immigrant entrepreneurs depend on the host society for business success while transnational immigrant entrepreneurs depend on the contacts and partners in their countries of origin and other countries. In recent years, immigrants’ entrepreneurial activity has moved from the domestic to the transnational level because of the simultaneous business activities that such entrepreneurs conduct between their home and host countries. Transnational entrepreneurship has become one of the pathways that immigrants use to settle and integrate into the host society’s labor market, and at the same time contribute to their countries of origin. From this perspective, this paper explores the causes, nature, and practices of transnational entrepreneurial activities of Ghanaian immigrants in Canada. Using in-depth interviews and focus groups, the study finds that transnational entrepreneurship has become an essential strategy among Ghanaian immigrant entrepreneurs due to the large and growing number of immigrant communities and demand for ethnic products and services that are not produced in Canada. The study also finds that transnational entrepreneurship has become an avenue for immigrants to connect and create ties with Ghana and contribute to its economic development. 相似文献
180.
Evan T. Curtis Chrissy M. Chubala Jackie Spear Randall K. Jamieson William E. Hockley Matthew J. C. Crump 《Memory (Hove, England)》2016,24(1):32-43
False remembering has been examined using a variety of procedures, including the Deese-Roediger-McDermott procedure, the false fame procedure and the two-list recognition procedure. We present six experiments in a different empirical framework examining false recognition of words included in the experimental instructions (instruction-set lures). The data show that participants' false alarm rate to instruction-set lures was twice their false alarm rate to standard lures. That result was statistically robust even when (1) the relative strength of targets to instruction-set lures was increased, (2) participants were warned about the instruction-set lures, (3) the instruction-set lures were camouflaged in the study instructions and (4) the instruction-set lures were presented verbally at study but visually at test. False recognition of instruction-set lures was only mitigated when participants were distracted between encountering the instruction-set lures and studying the training list. The results confirm the ease with which recognition succumbs to familiarity and demonstrate the robustness of false recognition. 相似文献