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141.
In two experiments we show that (a) distracting stimuli are inhibited after intention formation, (b) this inhibition is episodic rather than semantic in nature, and (c) inhibition of distracting stimuli is terminated once intentions are completed. In both experiments participants were asked to form an intention to press the space bar in response to six cues (i.e. intention cues). After intention formation we measured accessibility of intention cues, of words that are semantically related to the intention cues (i.e. related cues) and of semantically unrelated words (i.e. control cues). In Experiment 1, we obtained slower responses towards related cues compared with both intention cues and control cues in a recognition task, but not in a lexical decision task. In Experiment 2, we showed that inhibition of related cues is terminated after intention completion. Together these results are consistent with theorizing that inhibition of distracting (i.e. related) stimuli is functional for completing previously formed intentions, and give insight in the nature of inhibitory processes during goal pursuit. 相似文献
142.
When spiders appear suddenly: spider-phobic patients are distracted by task-irrelevant spiders 总被引:4,自引:0,他引:4
Fear is thought to facilitate the detection of threatening stimuli. Few studies have examined the effects of task-irrelevant phobic cues in search tasks that do not involve semantic categorization. In a combined reaction time and eye-tracking experiment we investigated whether peripheral visual cues capture initial attention and distract from the execution of goal-directed eye movements. Twenty-one spider-phobic patients and 21 control participants were instructed to search for a color singleton while ignoring task-irrelevant abrupt-onset distractors which contained either a small picture of a spider (phobic), a flower (non-phobic, but similar to spiders in shape), a mushroom (non-phobic, and not similar to spiders in shape), or no picture. As expected, patients' reaction times were longer on trials with spider distractors. However, eye movements revealed that this was not due to attentional capture by spider distractors; patients more often fixated on all distractors with pictures, but their reaction times were delayed by longer fixation durations on spider distractors. These data do not support automatic capture of attention by phobic cues but suggest that phobic patients fail to disengage attention from spiders. 相似文献
143.
Lee M. Cohen Dennis E. McChargue Holly E.R. Morrell 《Personality and individual differences》2007,43(8):1969-1979
Smoking for negative mood alleviation is a strong predictor of early smoking and early dependence among undergraduates. Little is known about whether adaptive cognitive coping processes (e.g., distraction) may help decrease the likelihood of student smoking for negative mood regulation. The present study tested the hypothesis that distraction would predict (a) greater engagement in adaptive pleasant pastimes and (b) lower rates of smoking behavior among undergraduates (n = 162, 41.9% female). We further assessed whether negative mood regulation expectations would explain both relationships. Results indicated that negative mood regulation fully mediated the relationship between distraction and engagement in pleasurable activities among college smokers. Although the relationships among distraction, negative mood regulation, and cigarette consumption were not significant, they were in the expected direction (negative). Results from the present study point to the importance of prevention efforts focused on enhancing cognitive coping skills in college smokers. Such a focus may lead to more frequent adaptive cognitive coping during negative mood states, presumably instead of smoking. 相似文献
144.
Gefenas E 《Science and engineering ethics》2007,13(3):281-288
This paper attempts to provide a broader view into the ethical issues surrounding the field of emergency medicine (EM) research.
It starts from defining bioethically relevant features of EM and presents this field in the context of different models of
health care provider–patient relationship. The paper also provides a short overview of the “post-Nuremberg” evolution of the
main international research ethics guidelines relevant to EM research which demonstrates a tendency of liberalization of research
on incapable persons. This tendency culminates with the exceptions to informed consent for EM research which is supposed to
be balanced by other research ethics principles, especially a careful rationing of risks and benefits. This finally brings
us towards a critical analysis of the minimal risk standard which is one of the main fundamental safeguards in EM research.
An earlier version of this paper was presented at The 7th International Conference on Bioethics on “The Ethics of Research
in Emergency Medicine”, held on June 2, 2006, Warsaw, Poland. 相似文献
145.
PurposeWhile many resources, particularly those available on the Internet, provide suggestions for fluent speakers as they interact with people who stutter (PWS), little evidence exists to support these suggestions. Thus, the purpose of this study was to document the supportiveness of common public reactions, behaviors, or interventions to stuttering by PWS.Methods 148 PWS completed the Personal Appraisal of Support for Stuttering-Adults. Additionally, a comparison of the opinions of adults who stutter based on gender and their involvement in self-help/support groups was undertaken. Results Many of the Internet-based suggestions for interacting with PWS are aligned with the opinions of the participants of this study. Significant differences were found amongst people who stutter on the basis of gender and involvement in self-help groups.Conclusions Lists of “DOs and DON’Ts” that are readily available on the Internet are largely supported by the data in this study; however, the findings highlight the need for changing the emphasis from strict rules for interacting with people who stutter to more flexible principles that keep the needs of individual PWS in mind. 相似文献
146.
This study assessed the relative efficacy of two imagery-based attentional strategies for modifying pain experience in children. Children aged 7-14 years (n = 120) were randomly assigned to one of three conditions: distraction, sensory-focussing or control (no imagery). The distraction condition prompted children to focus their attention externally; the sensory-focussing condition prompted the child to focus internally on physical sensations. Self-report measures of pain coping style preferences and imagery ability were completed. Children's pain tolerance and perceptions of pain intensity were assessed using a 10 degrees C cold-pressor task. Results showed pain intensity ratings after 1 min were lower for both intervention conditions than for the controls. Younger children (7-9 years) showed higher pain tolerance in the distraction condition than in the sensory-focussing condition, whereas both interventions were equally effective for older children (10-14 years). Among older children, coping style interacted with the intervention type: in the sensory-focussing condition, pain tolerance was negatively associated with self-reported distraction-based coping style, whereas in the distraction condition this association was positive. The results are interpreted with reference to current models of attention. The implications for use of attentional strategies in helping children to cope with clinical pain are discussed. 相似文献
147.
Sami Timimi 《欧洲心理治疗、咨询与健康杂志》2015,17(4):342-358
Hegemonic mental health service approaches stress the need for ‘accurate’ diagnosis in order to understand what the correct ‘treatment’ should be. I review the evidence on how far diagnosis in psychiatry has helped advance scientific knowledge and clinical practice and conclude that it hasn’t. I then examine how National Institute for Health and Care Excellence (NICE) guidelines in relation to children’s behaviour problems reflects the lack of progress that results from adopting a diagnostic approach. Taking mental health practice beyond reliance on narrow non-evidence-based diagnostic algorithms can be developed by adopting existing projects such as the Partners for Change Outcome Management Systems project. 相似文献
148.
Katrien Devolder 《The American journal of bioethics : AJOB》2015,15(6):40-49
Shortly before and during the Second World War, Japanese doctors and medical researchers conducted large-scale human experiments in occupied China that were at least as gruesome as those conducted by Nazi doctors. Japan never officially acknowledged the occurrence of the experiments, never tried any of the perpetrators, and never provided compensation to the victims or issued an apology. Building on work by Jing-Bao Nie, this article argues that the U.S. government is heavily complicit in this grave injustice, and should respond in an appropriate way in order to reduce this complicity, as well as to avoid complicity in future unethical medical experiments. It also calls on other U.S. institutions, in particular the Presidential Commission for the Study of Bioethical Issues, to urge the government to respond, or to at least inform the public and initiate a debate about this dark page of American and Japanese history. 相似文献
149.
A growing body of empirical evidence has consistently demonstrated that much publically and privately funded research is reported in a way that makes it difficult for the findings to be included in evidence syntheses or used by researchers, clinicians, policy makers, and the public. Poorly reported studies thus represent a significant waste of scarce resources. Reporting guidelines are one strategy that has been increasingly used as a method to improve the completeness or usability of primary and secondary research across a broad range of disciplines including psychology. We present a synopsis of two studies investigating the impact of the Transparent Reporting of Evaluation with Nonrandomised Designs statement and factors that affect authors' and journal editors' use of it and other reporting guidelines. We also make recommendations for future guideline development or revisions based on our experiences, provide details of resources for psychologists, and make suggestions for future research and recommendations for improving the transparency of reporting of psychological research. 相似文献
150.
Jennifer C. Weeks 《Neuropsychology, development, and cognition. Section B, Aging, neuropsychology and cognition》2018,25(4):576-587
Previous work has shown that older adults attend to and implicitly remember more distracting information than young adults; however, it is unknown whether they show a corresponding decrease in implicit memory for targets in the presence of distracters. Using implicit memory tests, we asked whether older adults show a tradeoff in memory between targets and distracters. Here, young and older adults performed a selective attention task in which they were instructed to attend to target pictures and ignore superimposed distracter words. We measured priming for distracter words using fragment completion and for target pictures using naming time. Older adults showed greater priming for distracting words compared to young adults, but equivalent priming for target pictures. These results suggest that older adults have a broader attentional scope than young adults, encompassing both relevant and irrelevant information. 相似文献